xtremerat | c470b81aa632fe7b9fb4a4d04c5c800d3bab9eca195f70ffed1affc9dc6aea6c

General

Target

e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe
Size

86KB
MD5

e836cd29fd4f6e3a0f6d9ad859f9b64f
SHA1

6e747d5ce2f414e898dc2a767b34de41aeb60b27
SHA256

c470b81aa632fe7b9fb4a4d04c5c800d3bab9eca195f70ffed1affc9dc6aea6c
SHA512

e497293ec873c1a281e810e5d9f2afb30453a2358f281b9e16e8612c376633daf8a492c6535c923558667462c06084801a4951460275b52b7ea457bcfef679bf
SSDEEP

1536:ERaaXjRUtqgI8au7MkRW5dWtQvVAnrIhj/R6hl+Lv:EkaXef7hRsWCtAnrIF/RowL

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3788-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3788-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3788-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4180-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4180-12-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1876 set thread context of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_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
3460	4180	WerFault.exe	84
2608	4180	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	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 1876 wrote to memory of 3788	1876	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	83
PID 3788 wrote to memory of 4180	3788	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	84
PID 3788 wrote to memory of 4180	3788	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	84
PID 3788 wrote to memory of 4180	3788	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	84
PID 3788 wrote to memory of 4180	3788	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	84
PID 3788 wrote to memory of 2320	3788	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	85
PID 3788 wrote to memory of 2320	3788	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	85
PID 3788 wrote to memory of 2320	3788	e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Users\Admin\AppData\Local\Temp\e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e836cd29fd4f6e3a0f6d9ad859f9b64f_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3788
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 480
      4⤵
      Program crash
      PID:3460
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 488
      4⤵
      Program crash
      PID:2608
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4180 -ip 4180
1⤵
PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4180 -ip 4180
1⤵
PID:4040

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/1876-0-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1876-1-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1876-3-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1876-2-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/1876-10-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/3788-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3788-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3788-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4180-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4180-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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