xtremerat | c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe

General

Target

c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe
Size

800KB
MD5

da7a7f0674855d40b5f32749a3292151
SHA1

492663f7c8f04c6678beec06797a39442182745e
SHA256

c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe
SHA512

4af5840283d8c90f5ce17035e3c3ef01d8889ed277eae96a39b76b5ea4750f68d0e50b6fda21cb12c92161ebcd775984f0c6766e9441bbcafded80e0793b7f23
SSDEEP

3072:vRAR2BY1emF6DA00EiqtTG142maYmOEenOBnZn/d4BVFPMuaNOi/mE5g4Sj01xS4:xKQSR

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

zainee.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/4736-134-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/4736-136-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4736-135-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4736-137-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4268-138-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/4736-139-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4268-140-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4840 set thread context of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1368	4268	WerFault.exe	81
4180	4268	WerFault.exe	81

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4840 wrote to memory of 4736	4840	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	80
PID 4736 wrote to memory of 4268	4736	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	81
PID 4736 wrote to memory of 4268	4736	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	81
PID 4736 wrote to memory of 4268	4736	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	81
PID 4736 wrote to memory of 4268	4736	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	81
PID 4736 wrote to memory of 5104	4736	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	82
PID 4736 wrote to memory of 5104	4736	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	82
PID 4736 wrote to memory of 5104	4736	c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe	82

C:\Users\Admin\AppData\Local\Temp\c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe
"C:\Users\Admin\AppData\Local\Temp\c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Users\Admin\AppData\Local\Temp\c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe
  "C:\Users\Admin\AppData\Local\Temp\c6c4bc4f0b1823022d87d608e7f7f19e89d7737707b9e55d0c705fc455504bbe.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 480
      4⤵
      Program crash
      PID:1368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 488
      4⤵
      Program crash
      PID:4180
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4268 -ip 4268
1⤵
PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4268 -ip 4268
1⤵
PID:4172

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4268-140-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4736-136-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4736-135-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4736-137-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4736-139-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing