xtremerat | bdfc0d91fb3d88e0d7719d7da22beb5cb53807910d21474239550c6fd29675dd

General

Target

c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe
Size

340KB
MD5

c3cdde3584516d89851440cebdd655ee
SHA1

f045ad188f27cb821e554ee7ff05bb5a7e79e0d1
SHA256

bdfc0d91fb3d88e0d7719d7da22beb5cb53807910d21474239550c6fd29675dd
SHA512

8c90d48d6297d109e2a286a312b2caaaf2d6e59590e8c52b0a6632846500af49f40126bd7ebd8662418a787aa6348a07567012a1cd02d8ba17da6202e82009aa
SSDEEP

1536:CAQA36S1au3I9IctmOjBCz1OUiLyU/ZJH2XOYNeSbHq+9ahADGtoBkzzRSz:96SMukjBCz1HiLt/ZJ0X8SbHqqJk34z

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

no-hack.zapto.org

ꏸ栞⡲Ɔcamfrog-ir.zapto.org

camfrog-2r9.zapto.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/2876-2-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/2876-3-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/2876-4-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/2876-5-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/412-6-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/2876-7-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/412-8-0x0000000010000000-0x0000000010047000-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 1372 set thread context of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.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
2168	412	WerFault.exe	84
3968	412	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	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 1372 wrote to memory of 2876	1372	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	83
PID 2876 wrote to memory of 412	2876	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	84
PID 2876 wrote to memory of 412	2876	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	84
PID 2876 wrote to memory of 412	2876	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	84
PID 2876 wrote to memory of 412	2876	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	84
PID 2876 wrote to memory of 4036	2876	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	85
PID 2876 wrote to memory of 4036	2876	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	85
PID 2876 wrote to memory of 4036	2876	c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Users\Admin\AppData\Local\Temp\c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c3cdde3584516d89851440cebdd655ee_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:412
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 412 -s 480
      4⤵
      Program crash
      PID:2168
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 412 -s 504
      4⤵
      Program crash
      PID:3968
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 412 -ip 412
1⤵
PID:3908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 412 -ip 412
1⤵
PID:3036

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/412-6-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/412-8-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2876-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2876-3-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2876-4-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2876-5-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2876-7-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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