xtremerat | 7c82825dfbdb907cfea83129932d0ec60506e01a8aa6f617c553da3ee2a26951

Analysis

max time kernel
141s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2024, 12:09

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General

Target
91f5643ac9cd8671b06bb4125edf2cb4.exe
Size 637KB
Sample240205-pbwbgafcg8
SHA256 7c82825dfbdb907cfea83129932d0ec60506e01a8aa6f617c553da3ee2a26951
MD5 91f5643ac9cd8671b06bb4125edf2cb4
SHA1 e968dbb94a547ec927bab4d1a611d7b12662e030
SHA512 8aea4cd64a989f5f47e647076a3d1ff82d7718c069da320d0a2a9e9f494824fca29b9ee44120cc01d2a5017a6364c9e5ee5eb8e6f03e77d732b8e25dd30e70b9
SSDEEP 12288:cHWLQg3SW1f41lxTmVu8sw4X6wy2dNnapYBB:oWcw21l4Vu8sws64qpYBB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4576-0-0x0000000010000000-0x00000000100DA000-memory.dmp	family_xtremerat
behavioral2/memory/4576-1-0x0000000010000000-0x00000000100DA000-memory.dmp	family_xtremerat
behavioral2/memory/2472-2-0x0000000010000000-0x00000000100DA000-memory.dmp	family_xtremerat
behavioral2/memory/4576-4-0x0000000010000000-0x00000000100DA000-memory.dmp	family_xtremerat
behavioral2/memory/2472-5-0x0000000010000000-0x00000000100DA000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4380	2472	WerFault.exe	84
1372	2472	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4576	91f5643ac9cd8671b06bb4125edf2cb4.exe
4576	91f5643ac9cd8671b06bb4125edf2cb4.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 2472	4576	91f5643ac9cd8671b06bb4125edf2cb4.exe	84
PID 4576 wrote to memory of 2472	4576	91f5643ac9cd8671b06bb4125edf2cb4.exe	84
PID 4576 wrote to memory of 2472	4576	91f5643ac9cd8671b06bb4125edf2cb4.exe	84
PID 4576 wrote to memory of 2472	4576	91f5643ac9cd8671b06bb4125edf2cb4.exe	84
PID 4576 wrote to memory of 4496	4576	91f5643ac9cd8671b06bb4125edf2cb4.exe	85
PID 4576 wrote to memory of 4496	4576	91f5643ac9cd8671b06bb4125edf2cb4.exe	85
PID 4576 wrote to memory of 4496	4576	91f5643ac9cd8671b06bb4125edf2cb4.exe	85

C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe
"C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2472
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 496
    3⤵
    - Program crash
    PID:4380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 504
    3⤵
    - Program crash
    PID:1372
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2472 -ip 2472
1⤵
PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2472 -ip 2472
1⤵
PID:1612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2472-2-0x0000000010000000-0x00000000100DA000-memory.dmp

Download

memory/2472-5-0x0000000010000000-0x00000000100DA000-memory.dmp

Download

memory/4576-0-0x0000000010000000-0x00000000100DA000-memory.dmp

Download

memory/4576-1-0x0000000010000000-0x00000000100DA000-memory.dmp

Download

memory/4576-3-0x0000000077AF0000-0x0000000077AF1000-memory.dmp

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memory/4576-4-0x0000000010000000-0x00000000100DA000-memory.dmp

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