xtremerat | 22fa28cd596858c77072d5f5c9ad80b9b5ff262fb352b76f3d4c08e6f722b042

Resubmissions

12-01-2025 09:11

250112-k5t82swkgz 10

12-01-2025 08:53

250112-ktfaravqbt 10

Analysis

max time kernel
840s
max time network
841s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 09:11

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General

Target

JaffaCakes118_0a90f3594a5b1cae728dd35606cdb1bd.exe
Size

65KB
MD5

0a90f3594a5b1cae728dd35606cdb1bd
SHA1

3a64d56521fef9b8a45ca0b7a9a628803143c25a
SHA256

22fa28cd596858c77072d5f5c9ad80b9b5ff262fb352b76f3d4c08e6f722b042
SHA512

4444dc5fd91259fee0692384ef01f1a520cd7e1f12018be0c3890056dd6928a11525f4cbe4cc860a6716bd22493c426c5f9b09f64fc0c558fc35b8b802c774f9
SSDEEP

768:P8m1Sq4NQErBsH1tzoisBKQI6dObAG/dqOXHsoAx5JXrUqLOY01YKnA+7PoNw8zM:Xsq+QV4rObAdNoAf5UqiY+lArNwMoF5

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1944-0-0x0000000010000000-0x000000001004A000-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
Xtremerat family
xtremerat

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1148	1944	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0a90f3594a5b1cae728dd35606cdb1bd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1148	1944	JaffaCakes118_0a90f3594a5b1cae728dd35606cdb1bd.exe	30
PID 1944 wrote to memory of 1148	1944	JaffaCakes118_0a90f3594a5b1cae728dd35606cdb1bd.exe	30
PID 1944 wrote to memory of 1148	1944	JaffaCakes118_0a90f3594a5b1cae728dd35606cdb1bd.exe	30
PID 1944 wrote to memory of 1148	1944	JaffaCakes118_0a90f3594a5b1cae728dd35606cdb1bd.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a90f3594a5b1cae728dd35606cdb1bd.exe
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a90f3594a5b1cae728dd35606cdb1bd.exe cmd /c %SIGILL% "SIGTERM|SIGKILL|SIGABRT"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 160
  2⤵
  - Program crash
  PID:1148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1944-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

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