xtremerat | d53a02342e721936a83e562d88192584261d1ca040194eee486d86d6c7afe32a

General

Target

620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe
Size

280KB
MD5

620f2d8bca853427bb6c0f485429a55c
SHA1

bb5fc905b4f6ac259275fbceedb30dd01b27bfa8
SHA256

d53a02342e721936a83e562d88192584261d1ca040194eee486d86d6c7afe32a
SHA512

d29764675320f9b18beb16bda3345ae54225736740eb7ee52d5c8274581fcc30fe562a93e0321cd96b7ef5e0c38ae87768125d5492e16e863ed10525b77a6d75
SSDEEP

6144:HPS3bBHbP1pHq0IKZAWWkmR6iGfhv+C+e+GNLBRjAFNWk3dbGsK64:K3bBHbP1pKJWWkmrqv7+0N1RjAFcYtvY

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

roma1996.no-ip.org

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/4652-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4652-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3440-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1884-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4652-11-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3440-13-0x0000000010000000-0x0000000010048000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4060 set thread context of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4652-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4652-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4652-7-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4652-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3440-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1884-10-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4652-11-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3440-13-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
768	3440	WerFault.exe	85
4580	1884	WerFault.exe	87
672	1884	WerFault.exe	87
2324	3440	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 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	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84
PID 4060 wrote to memory of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84
PID 4060 wrote to memory of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84
PID 4060 wrote to memory of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84
PID 4060 wrote to memory of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84
PID 4060 wrote to memory of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84
PID 4060 wrote to memory of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84
PID 4060 wrote to memory of 4652	4060	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	84
PID 4652 wrote to memory of 3440	4652	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	85
PID 4652 wrote to memory of 3440	4652	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	85
PID 4652 wrote to memory of 3440	4652	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	85
PID 4652 wrote to memory of 3440	4652	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	85
PID 4652 wrote to memory of 1884	4652	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	87
PID 4652 wrote to memory of 1884	4652	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	87
PID 4652 wrote to memory of 1884	4652	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	87
PID 4652 wrote to memory of 1884	4652	620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Users\Admin\AppData\Local\Temp\620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\620f2d8bca853427bb6c0f485429a55c_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4652
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3440
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 476
      4⤵
      Program crash
      PID:768
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 504
      4⤵
      Program crash
      PID:2324
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1884
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 480
      4⤵
      Program crash
      PID:4580
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 488
      4⤵
      Program crash
      PID:672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3440 -ip 3440
1⤵
PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1884 -ip 1884
1⤵
PID:4544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3440 -ip 3440
1⤵
PID:4396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 1884 -ip 1884
1⤵
PID:3212

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/1884-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3440-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3440-13-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4060-0-0x0000000000400000-0x000000000046B150-memory.dmp

Filesize
428KB

Download
memory/4060-6-0x0000000000400000-0x000000000046B150-memory.dmp

Filesize
428KB

Download
memory/4652-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4652-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4652-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4652-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4652-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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