xtremerat | 1e6282815f916ebdf0a16d52c70cda53ed79c4a0f08dce9596b9d5e6486b2185

General

Target

JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe
Size

195KB
MD5

4617ceefd7b838f667bbae2aef6a97af
SHA1

3e20b2377d42804ed074008d30d3be31833de912
SHA256

1e6282815f916ebdf0a16d52c70cda53ed79c4a0f08dce9596b9d5e6486b2185
SHA512

1f84a62e58867571598c3d5959d37fe890c263ecc1d8a2d72ef40255ac9810f3bad3e758912101ff0e77b640de86aafde5724479d6b338d89acf42c2524cd67c
SSDEEP

3072:cQy/BGjPSQuu52F3Dncm51r1Xod7Mu4q583sQ+jxIcGCSn8y:q6aQB5U3DF2d7M483sfjGnf8y

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

dark3zooz.tzo.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/4908-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4908-4-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4908-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4908-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2172-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4908-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2172-11-0x0000000010000000-0x0000000010048000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83

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
5048	2172	WerFault.exe	84
1680	2172	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 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_4617ceefd7b838f667bbae2aef6a97af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe
Token: 33	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe
Token: SeIncBasePriorityPrivilege	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 2604 wrote to memory of 4908	2604	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	83
PID 4908 wrote to memory of 2172	4908	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	84
PID 4908 wrote to memory of 2172	4908	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	84
PID 4908 wrote to memory of 2172	4908	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	84
PID 4908 wrote to memory of 2172	4908	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	84
PID 4908 wrote to memory of 1448	4908	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	85
PID 4908 wrote to memory of 1448	4908	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	85
PID 4908 wrote to memory of 1448	4908	JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4617ceefd7b838f667bbae2aef6a97af.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4908
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2172
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 480
      4⤵
      Program crash
      PID:5048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 500
      4⤵
      Program crash
      PID:1680
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2172 -ip 2172
1⤵
PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2172 -ip 2172
1⤵
PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2172-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2172-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2604-0-0x00000000750A2000-0x00000000750A3000-memory.dmp

Filesize
4KB

Download
memory/2604-1-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/2604-2-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/2604-7-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4908-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4908-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4908-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4908-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4908-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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