Malware Analysis Report

2024-11-15 06:26

Sample ID 240618-trnzjs1cjg
Target g.zip
SHA256 205b02e34109d65cea7134d31bf1eda399f2ca966749ce6f966d3c4a168361f8
Tags
agenttesla keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

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: 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 Overview

score
10/10

SHA256

205b02e34109d65cea7134d31bf1eda399f2ca966749ce6f966d3c4a168361f8

Threat Level: Known bad

The file g.zip was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

Agenttesla family

AgentTesla

AgentTesla payload

AgentTesla payload

Unsigned PE

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-18 16:17

Signatures

AgentTesla payload

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

Agenttesla family

agenttesla

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 16:17

Reported

2024-06-18 16:27

Platform

win7-20240611-en

Max time kernel

361s

Max time network

365s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Guna.UI2.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Guna.UI2.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 16:17

Reported

2024-06-18 16:27

Platform

win10v2004-20240508-en

Max time kernel

594s

Max time network

602s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Guna.UI2.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Guna.UI2.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=3988,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8

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=4176,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4068 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 201.201.50.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-18 16:17

Reported

2024-06-18 16:27

Platform

win7-20240508-en

Max time kernel

361s

Max time network

361s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Memory.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-18 16:17

Reported

2024-06-18 16:27

Platform

win10v2004-20240508-en

Max time kernel

499s

Max time network

508s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Memory.dll,#1

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-18 16:17

Reported

2024-06-18 16:27

Platform

win7-20240221-en

Max time kernel

357s

Max time network

358s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\reach.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\reach.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\reach.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\reach.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\reach.exe N/A

Processes

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

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

Network

N/A

Files

memory/2172-0-0x000007FEF5973000-0x000007FEF5974000-memory.dmp

memory/2172-1-0x000000013F1E0000-0x000000013F5FC000-memory.dmp

memory/2172-2-0x000000001BFB0000-0x000000001C3C8000-memory.dmp

memory/2172-3-0x0000000000960000-0x0000000000972000-memory.dmp

memory/2172-4-0x0000000000980000-0x000000000099A000-memory.dmp

memory/2172-5-0x000000001D490000-0x000000001D6A4000-memory.dmp

memory/2172-6-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

memory/2172-7-0x000007FEF5973000-0x000007FEF5974000-memory.dmp

memory/2172-8-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

memory/2172-9-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-18 16:17

Reported

2024-06-18 16:27

Platform

win10v2004-20240611-en

Max time kernel

595s

Max time network

600s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\reach.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\reach.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\reach.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\reach.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\reach.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\reach.exe N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\reach.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=4416,i,6870419347051655189,5491911050420577193,262144 --variations-seed-version --mojo-platform-channel-handle=4144 /prefetch:8

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=4828,i,6870419347051655189,5491911050420577193,262144 --variations-seed-version --mojo-platform-channel-handle=4892 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 159.185.200.23.in-addr.arpa udp

Files

memory/2920-0-0x00007FFFE4253000-0x00007FFFE4255000-memory.dmp

memory/2920-1-0x000001C95C010000-0x000001C95C42C000-memory.dmp

memory/2920-2-0x000001C976AB0000-0x000001C976EC8000-memory.dmp

memory/2920-3-0x000001C95C810000-0x000001C95C822000-memory.dmp

memory/2920-4-0x000001C95C850000-0x000001C95C86A000-memory.dmp

memory/2920-5-0x000001C9770F0000-0x000001C977304000-memory.dmp

memory/2920-6-0x00007FFFE4250000-0x00007FFFE4D11000-memory.dmp

memory/2920-7-0x00007FFFE4250000-0x00007FFFE4D11000-memory.dmp

memory/2920-10-0x00007FFFE4250000-0x00007FFFE4D11000-memory.dmp

memory/2920-9-0x00007FFFE4253000-0x00007FFFE4255000-memory.dmp