xtremerat | 3ab164f3368093e4dfc1d8d03a94e7df887e7c6b801218f92ae73ee5bfecc0e4

Analysis

max time kernel
139s
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, 00:07

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General

Target
90844ef2c6d36deeee5a5e041e001278.exe
Size 26KB
Sample240205-aebznsebf3
SHA256 3ab164f3368093e4dfc1d8d03a94e7df887e7c6b801218f92ae73ee5bfecc0e4
MD5 90844ef2c6d36deeee5a5e041e001278
SHA1 5ce2573f839e7ce7dd21629c3ba553d5f466c7ea
SHA512 41b8896109be7a4b1e7296eadcf3117338a8d32b88f26bdb9fc52b15b282a2973868bfacc26c86a3245d10c9f7b27b256e42434d0b9cd329f6450d0b504b7625
SSDEEP 768:uyxsv4Mb+dRdSxEHj1WDFK/UlBf1JJ//d8MEU:uZvEEEHZklBf1Jt/7E
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

koko582008.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4464-1-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1484-2-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4464-3-0x0000000010000000-0x0000000010048000-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

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1484-0-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4464-1-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1484-2-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4464-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx

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
3404	4464	WerFault.exe	84
4912	4464	WerFault.exe	84

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 4464	1484	90844ef2c6d36deeee5a5e041e001278.exe	84
PID 1484 wrote to memory of 4464	1484	90844ef2c6d36deeee5a5e041e001278.exe	84
PID 1484 wrote to memory of 4464	1484	90844ef2c6d36deeee5a5e041e001278.exe	84
PID 1484 wrote to memory of 4464	1484	90844ef2c6d36deeee5a5e041e001278.exe	84
PID 1484 wrote to memory of 312	1484	90844ef2c6d36deeee5a5e041e001278.exe	85
PID 1484 wrote to memory of 312	1484	90844ef2c6d36deeee5a5e041e001278.exe	85
PID 1484 wrote to memory of 312	1484	90844ef2c6d36deeee5a5e041e001278.exe	85

C:\Users\Admin\AppData\Local\Temp\90844ef2c6d36deeee5a5e041e001278.exe
"C:\Users\Admin\AppData\Local\Temp\90844ef2c6d36deeee5a5e041e001278.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 480
    3⤵
    - Program crash
    PID:3404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 500
    3⤵
    - Program crash
    PID:4912
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4464 -ip 4464
1⤵
PID:1776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4464 -ip 4464
1⤵
PID:4792

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

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Downloads

memory/1484-0-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/1484-2-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/4464-1-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/4464-3-0x0000000010000000-0x0000000010048000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads