xtremerat | dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b

Analysis

max time kernel
36s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 03:00

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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

ax0.no-ip.biz

�mrjoo.no-ip.info

jomeka.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/1692-63-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/1692-64-0x000000001000D288-mapping.dmp	family_xtremerat
behavioral1/memory/1692-65-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/1692-68-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/1692-69-0x0000000010000000-0x0000000010048000-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
behavioral1/memory/1952-56-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1952-59-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1952-60-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1952-67-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 364 set thread context of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 1952 set thread context of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27

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
364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 364 wrote to memory of 1952	364	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	26
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1952 wrote to memory of 1692	1952	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	27
PID 1692 wrote to memory of 1688	1692	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	28
PID 1692 wrote to memory of 1688	1692	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	28
PID 1692 wrote to memory of 1688	1692	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	28
PID 1692 wrote to memory of 1688	1692	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	28
PID 1692 wrote to memory of 1688	1692	dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe	28

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:364
- 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:1952
- - C:\Users\Admin\AppData\Local\Temp\dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
    C:\Users\Admin\AppData\Local\Temp\dcf0426cf8452536d86428a5a1ae8a43a21a38fa74fb9b5e80f3b26f1976d56b.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1692
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:1688

Network

MITRE ATT&CK Enterprise v6

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/1692-63-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1692-65-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1692-66-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1692-68-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1692-69-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1952-56-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1952-59-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1952-60-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1952-67-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download