Malware Analysis Report

2024-09-11 13:49

Sample ID 240615-cd33wavgpc
Target a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
SHA256 a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed
Tags
xworm rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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 Overview

score
10/10

SHA256

a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed

Threat Level: Known bad

The file a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Xworm

Detect Xworm Payload

Detects Windows executables referencing non-Windows User-Agents

Executes dropped EXE

Loads dropped DLL

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-15 01:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 01:58

Reported

2024-06-15 02:01

Platform

win7-20240611-en

Max time kernel

121s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1916 set thread context of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 1916 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

"C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe"

C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

"C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe"

Network

Country Destination Domain Proto
DE 64.226.123.178:6098 tcp

Files

memory/1916-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

memory/1916-1-0x0000000000B90000-0x0000000000C3C000-memory.dmp

memory/1916-2-0x0000000004A80000-0x0000000004AE6000-memory.dmp

memory/1916-3-0x00000000740B0000-0x000000007479E000-memory.dmp

memory/1916-4-0x0000000000520000-0x0000000000528000-memory.dmp

\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

MD5 14ab397c433b92d64015617db5065e44
SHA1 8bf6233d6689ef9bce781b7999e482906a288143
SHA256 a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed
SHA512 d9f36d85907e77316298a0b5db54c09285fba4de780b130c1a7a9d36f309c428a99ec294e6df2a71402ba2e1dc4b424c1810d1f403a45b8bd2b8799aa9cd121c

memory/2840-7-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2840-20-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2840-18-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2840-15-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2840-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2840-12-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2840-8-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2840-10-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2840-21-0x00000000740B0000-0x000000007479E000-memory.dmp

memory/1916-22-0x00000000740B0000-0x000000007479E000-memory.dmp

memory/2840-23-0x00000000740B0000-0x000000007479E000-memory.dmp

memory/2840-24-0x00000000740B0000-0x000000007479E000-memory.dmp

memory/2840-25-0x00000000740B0000-0x000000007479E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 01:58

Reported

2024-06-15 02:01

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3484 set thread context of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3484 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 3484 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 3484 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 3484 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 3484 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 3484 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 3484 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe
PID 3484 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

"C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe"

C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

"C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.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=3772,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=1268 /prefetch:8

Network

Country Destination Domain Proto
DE 64.226.123.178:6098 tcp
DE 64.226.123.178:6098 tcp
DE 64.226.123.178:6098 tcp
DE 64.226.123.178:6098 tcp
DE 64.226.123.178:6098 tcp

Files

memory/3484-0-0x000000007458E000-0x000000007458F000-memory.dmp

memory/3484-1-0x0000000000770000-0x000000000081C000-memory.dmp

memory/3484-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

memory/3484-3-0x0000000005260000-0x00000000052F2000-memory.dmp

memory/3484-4-0x0000000005330000-0x000000000533A000-memory.dmp

memory/3484-5-0x00000000054E0000-0x0000000005546000-memory.dmp

memory/3484-6-0x0000000074580000-0x0000000074D30000-memory.dmp

memory/3484-7-0x00000000055E0000-0x000000000567C000-memory.dmp

memory/3484-8-0x0000000005370000-0x0000000005378000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed.exe

MD5 14ab397c433b92d64015617db5065e44
SHA1 8bf6233d6689ef9bce781b7999e482906a288143
SHA256 a8602f61da135d8dd308b6acb0338f9b9da4024f9ff302490800af85b242eeed
SHA512 d9f36d85907e77316298a0b5db54c09285fba4de780b130c1a7a9d36f309c428a99ec294e6df2a71402ba2e1dc4b424c1810d1f403a45b8bd2b8799aa9cd121c

memory/4444-11-0x0000000000380000-0x00000000003B6000-memory.dmp

memory/4444-12-0x0000000074580000-0x0000000074D30000-memory.dmp

memory/3484-14-0x0000000074580000-0x0000000074D30000-memory.dmp

memory/4444-15-0x0000000074580000-0x0000000074D30000-memory.dmp

memory/4444-16-0x0000000074580000-0x0000000074D30000-memory.dmp