xtremerat | 424aa51646d8e3003e9ca8cfc0da3e50877b46a3a297bf4dcaa30e07c4ad9641

General

Target

ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe
Size

724KB
MD5

ba7a6160f39bc78a48701eea66156a1c
SHA1

0140dafae4956a19b424195afa83117717aa55b0
SHA256

424aa51646d8e3003e9ca8cfc0da3e50877b46a3a297bf4dcaa30e07c4ad9641
SHA512

8cc867efd21f3c39c050171abe7c1c783346dac1b2d28f8808cdb4a8382760c74ffc2bb4ee4a488f18ae41e5565e25c54d0532950b3ec1db423da228563aa461
SSDEEP

3072:7sTkgR6gA2YQCO17fami7muyjKZOAo2XDphzMn8cvlGE5o19jYkCy7A6iw6QL7Z0:7Z8hzCEw

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

abdallam.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2284-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2284-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3104-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2284-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3104-11-0x0000000010000000-0x000000001004A000-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 2864 set thread context of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2284-3-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2284-5-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2284-6-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2284-7-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3104-9-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2284-10-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3104-11-0x0000000010000000-0x000000001004A000-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

pid	pid_target	Process	procid_target
4052	3104	WerFault.exe	84
620	3104	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	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83
PID 2864 wrote to memory of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83
PID 2864 wrote to memory of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83
PID 2864 wrote to memory of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83
PID 2864 wrote to memory of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83
PID 2864 wrote to memory of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83
PID 2864 wrote to memory of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83
PID 2864 wrote to memory of 2284	2864	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	83
PID 2284 wrote to memory of 3104	2284	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	84
PID 2284 wrote to memory of 3104	2284	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	84
PID 2284 wrote to memory of 3104	2284	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	84
PID 2284 wrote to memory of 3104	2284	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	84
PID 2284 wrote to memory of 5100	2284	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	85
PID 2284 wrote to memory of 5100	2284	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	85
PID 2284 wrote to memory of 5100	2284	ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ba7a6160f39bc78a48701eea66156a1c_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3104
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 480
      4⤵
      Program crash
      PID:4052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 504
      4⤵
      Program crash
      PID:620
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3104 -ip 3104
1⤵
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3104 -ip 3104
1⤵
PID:872

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/2284-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2284-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2284-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2284-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2284-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2864-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3104-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3104-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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