Malware Analysis Report

2024-10-10 07:59

Sample ID 240612-hjrvpatbnm
Target Rebound.Dir.zip
SHA256 8d97f6a1bdcddac822bba6c32858d21cab5ecb972995a990595a2d7cee7bf236
Tags
evasion themida trojan
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral11

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral9

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral18

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral17

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral12

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral14

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral20

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral24

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral22

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral15

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral21

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral19

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral10

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral13

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral16

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral23

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

8d97f6a1bdcddac822bba6c32858d21cab5ecb972995a990595a2d7cee7bf236

Threat Level: Likely malicious

The file Rebound.Dir.zip was found to be: Likely malicious.

Malicious Activity Summary

evasion themida trojan

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 06:46

Signatures

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240611-en

Max time kernel

33s

Max time network

3s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Microsoft.Web.WebView2.Wpf.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Microsoft.Web.WebView2.Wpf.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.179:443 www.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 179.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral11

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240611-en

Max time kernel

93s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-heap-l1-1-0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-heap-l1-1-0.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.152:443 www.bing.com tcp
US 8.8.8.8:53 152.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240508-en

Max time kernel

32s

Max time network

35s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Wpf.Ui.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Wpf.Ui.dll,#1

Network

Files

N/A

Analysis: behavioral9

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240611-en

Max time kernel

5s

Max time network

3s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-convert-l1-1-0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-convert-l1-1-0.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3808,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral18

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240611-en

Max time kernel

62s

Max time network

64s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe

"C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240508-en

Max time kernel

44s

Max time network

45s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Microsoft.Web.WebView2.WinForms.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Microsoft.Web.WebView2.WinForms.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240611-en

Max time kernel

33s

Max time network

4s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Newtonsoft.Json.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Newtonsoft.Json.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.90:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 90.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral17

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240508-en

Max time kernel

80s

Max time network

89s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.dll,#1

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Windows\system32\rundll32.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Windows\system32\rundll32.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Windows\system32\rundll32.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\system32\rundll32.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.dll,#1

Network

Country Destination Domain Proto
US 52.111.229.48:443 tcp

Files

memory/2760-0-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2760-1-0x00007FF9B8B70000-0x00007FF9B8B72000-memory.dmp

memory/2760-3-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2760-2-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2760-4-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2760-6-0x00007FF9B3260000-0x00007FF9B3284000-memory.dmp

memory/2760-5-0x0000000180000000-0x0000000180E54000-memory.dmp

Analysis: behavioral12

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240611-en

Max time kernel

93s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-locale-l1-1-0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-locale-l1-1-0.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 23.62.61.90:443 www.bing.com tcp
US 8.8.8.8:53 90.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral14

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240226-en

Max time kernel

91s

Max time network

98s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-runtime-l1-1-0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-runtime-l1-1-0.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4044 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 219.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 57.82.21.2.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral20

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240611-en

Max time kernel

62s

Max time network

66s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\libcurl.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\libcurl.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
NL 23.62.61.137:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 137.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/2844-0-0x00007FFAD53E0000-0x00007FFAD5404000-memory.dmp

Analysis: behavioral24

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240611-en

Max time kernel

46s

Max time network

48s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\zlib1.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\zlib1.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.90:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 90.61.62.23.in-addr.arpa udp

Files

memory/4380-0-0x00007FFBD3EF0000-0x00007FFBD3F14000-memory.dmp

Analysis: behavioral22

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\vcruntime140.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\vcruntime140.dll,#1

Network

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240226-en

Max time kernel

107s

Max time network

111s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\ICSharpCode.AvalonEdit.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\ICSharpCode.AvalonEdit.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4204 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.82.21.2.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.201.106:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Microsoft.Web.WebView2.Core.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\Microsoft.Web.WebView2.Core.dll,#1

Network

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240508-en

Max time kernel

33s

Max time network

38s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\NG UI.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\NG UI.exe

"C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\NG UI.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/3112-0-0x00007FFCA80C3000-0x00007FFCA80C5000-memory.dmp

memory/3112-1-0x0000026E71CA0000-0x0000026E71CAA000-memory.dmp

Analysis: behavioral7

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240508-en

Max time kernel

29s

Max time network

32s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\WebView2Loader.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\WebView2Loader.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4084,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4216 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral15

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

59s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-stdio-l1-1-0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-stdio-l1-1-0.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral21

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

52s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\msvcp140.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\msvcp140.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral19

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240508-en

Max time kernel

63s

Max time network

56s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\cpr.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\cpr.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4292,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4248 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1604-0-0x00007FF9A0490000-0x00007FF9A04B4000-memory.dmp

Analysis: behavioral10

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240611-en

Max time kernel

78s

Max time network

80s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-filesystem-l1-1-0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-filesystem-l1-1-0.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.152:443 www.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 152.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral13

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

52s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-math-l1-1-0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-math-l1-1-0.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral16

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:49

Platform

win10v2004-20240611-en

Max time kernel

62s

Max time network

67s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-string-l1-1-0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\api-ms-win-crt-string-l1-1-0.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp

Files

N/A

Analysis: behavioral23

Detonation Overview

Submitted

2024-06-12 06:46

Reported

2024-06-12 06:48

Platform

win10v2004-20240508-en

Max time kernel

45s

Max time network

51s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\ws2_32.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rebound.Dir\ws2_32.dll,#1

Network

Files

N/A