xtremerat | bda74dd91bbf875a1c40bc3d36e807f28adb718d3b508c93445b819bf9b9e649

General

Target

884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
Size

107KB
MD5

884a43c003ba1f3af9569e2dc074c473
SHA1

938563cee0fe300a0400ed9c088e8dfea8d3ff88
SHA256

bda74dd91bbf875a1c40bc3d36e807f28adb718d3b508c93445b819bf9b9e649
SHA512

e430525939ddbf2343f04b37c00924bf8162a416e9f2c2bb3c86da5ff4ac4fa7df65b334125a521c971bfba9d42896dcbc17cf1351c619577307d09fc4e733b4
SSDEEP

3072:4aFB4+mOMZb76zAuvjlj97E3FuJLr3zvXTj3/3ErQj3NhOB+ZNXm95ZW3X313jzN:LmOMZb76zAuvjlj97E3FuJLr3zvXTj3j

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

000111222333.sytes.net

Signatures

Detect XtremeRAT payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3404-5-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/3404-6-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/5104-7-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/3404-8-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/5104-10-0x0000000010000000-0x000000001004B000-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

Processes:

884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe

description	pid	process	target process
PID 5108 set thread context of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3404-2-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3404-4-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3404-5-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3404-6-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/5104-7-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3404-8-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/5104-10-0x0000000010000000-0x000000001004B000-memory.dmp	upx

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1284 5104 WerFault.exe svchost.exe
3292 5104 WerFault.exe svchost.exe

pid	pid_target	process	target process
1284	5104	WerFault.exe	svchost.exe
3292	5104	WerFault.exe	svchost.exe

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

Processes:

884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe

pid process

5108 884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe

pid	process
5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe

description	pid	process	target process
PID 5108 wrote to memory of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
PID 5108 wrote to memory of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
PID 5108 wrote to memory of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
PID 5108 wrote to memory of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
PID 5108 wrote to memory of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
PID 5108 wrote to memory of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
PID 5108 wrote to memory of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
PID 5108 wrote to memory of 3404	5108	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
PID 3404 wrote to memory of 5104	3404	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	svchost.exe
PID 3404 wrote to memory of 5104	3404	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	svchost.exe
PID 3404 wrote to memory of 5104	3404	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	svchost.exe
PID 3404 wrote to memory of 5104	3404	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	svchost.exe
PID 3404 wrote to memory of 3244	3404	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	msedge.exe
PID 3404 wrote to memory of 3244	3404	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	msedge.exe
PID 3404 wrote to memory of 3244	3404	884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Users\Admin\AppData\Local\Temp\884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\884a43c003ba1f3af9569e2dc074c473_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3404
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5104
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 472
      4⤵
      Program crash
      PID:1284
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 476
      4⤵
      Program crash
      PID:3292
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5104 -ip 5104
1⤵
PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5104 -ip 5104
1⤵
PID:5040

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

Loading Replay Monitor...

Downloads

memory/3404-2-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3404-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3404-5-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3404-6-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3404-8-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/5104-7-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/5104-10-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads