xtremerat | dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b

General

Target

dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
Size

536KB
MD5

f9669d139ea87703d4f818f596e2380a
SHA1

273e9e376e1872e0edec7e67f75cf539f7ff4173
SHA256

dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b
SHA512

a9ec32c90822c721b3a54651418c936abaf4337c58278604e03567cf2c4bbc51e753405532a125e63695eb8fbecba2a35019e7525d39ac1e88b9eddd4112aad5
SSDEEP

3072:11qI8JDKei598pR0d4uj+1JE7t4XGKLZtw7HdJMuTSnZ1db4ri:jqwpZ+Z1db4

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ax0.no-ip.biz

�mrjoo.no-ip.info

jomeka.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/3044-141-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/3044-142-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3044-143-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3044-145-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3044-146-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3044-147-0x0000000010000000-0x0000000010048000-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/4844-135-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4844-137-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4844-138-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4844-144-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 4844 set thread context of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 2232 wrote to memory of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 2232 wrote to memory of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 2232 wrote to memory of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 2232 wrote to memory of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 2232 wrote to memory of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 2232 wrote to memory of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 2232 wrote to memory of 4844	2232	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	80
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 4844 wrote to memory of 3044	4844	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	81
PID 3044 wrote to memory of 3296	3044	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	82
PID 3044 wrote to memory of 3296	3044	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	82
PID 3044 wrote to memory of 3296	3044	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	82

C:\Users\Admin\AppData\Local\Temp\dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
"C:\Users\Admin\AppData\Local\Temp\dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
  "C:\Users\Admin\AppData\Local\Temp\dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Users\Admin\AppData\Local\Temp\dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
    C:\Users\Admin\AppData\Local\Temp\dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3044
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      4⤵
      PID:3296

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

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Downloads

memory/3044-142-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3044-143-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3044-145-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3044-146-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3044-147-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4844-135-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4844-137-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4844-138-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4844-144-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

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