xtremerat | 7bec450473cf1cffaba40e912d04dd7cc5da0d00649f17c31a099557721c74d9

General

Target

JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe
Size

106KB
MD5

aa3f313ac924c27b2d2fe5acf6c5401a
SHA1

63fcc3eb367d36544dcd0810310ed26ba5f3ce4c
SHA256

7bec450473cf1cffaba40e912d04dd7cc5da0d00649f17c31a099557721c74d9
SHA512

f07c87f247ca1346a5d4279730795c77b2a5150482482e7dca816278e7785d524c0c3ddf0997fe25ec20ce8cb5f29d68bda006e594e4f0ad64f2ffe964bb2a89
SSDEEP

1536:rqHvMCaAweZSsHpy/RGeCyjmKq5D6pMFhWi+PUlOCX/Aq4eoiU:atUsHp+5xe5WWHAyo1

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/5064-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5064-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5064-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5064-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5056-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5064-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5056-8-0x0000000010000000-0x000000001004A000-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 2368 set thread context of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85

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
3308	5056	WerFault.exe	87
2044	5056	WerFault.exe	87

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 2368 wrote to memory of 5064	2368	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	85
PID 5064 wrote to memory of 5056	5064	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	87
PID 5064 wrote to memory of 5056	5064	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	87
PID 5064 wrote to memory of 5056	5064	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	87
PID 5064 wrote to memory of 5056	5064	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	87
PID 5064 wrote to memory of 4972	5064	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	89
PID 5064 wrote to memory of 4972	5064	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	89
PID 5064 wrote to memory of 4972	5064	JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa3f313ac924c27b2d2fe5acf6c5401a.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5064
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5056
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 480
      4⤵
      Program crash
      PID:3308
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 488
      4⤵
      Program crash
      PID:2044
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5056 -ip 5056
1⤵
PID:3928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5056 -ip 5056
1⤵
PID:3088

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/5056-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5056-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5064-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5064-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5064-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5064-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5064-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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