xtremerat | b23886151f36db09153f43f955238c81d40b92b92892d20a5c3d24f5a8df6a99

Analysis

max time kernel
134s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-10-2024 16:54

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General

Target

7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe
Size

26KB
MD5

7c3c1cd49f1ae9c250fc829250b7cd74
SHA1

c068d58f9fdb391064ac6cf958a863938e3823c4
SHA256

b23886151f36db09153f43f955238c81d40b92b92892d20a5c3d24f5a8df6a99
SHA512

f4678ff743a0cab75906067380a47142dd69429f1c2be5cf29be2b3f987e665979d06108dd0a5300b387d9c81749e97be50d20f19c500319bd26b7b6bd9e3b0d
SSDEEP

384:jDmxsvw+nC7+z7pFZowqrdjLRi8JgxEd1iagAAunpe7achfzv/djPmd05KUI5aB0:jyxsv4Mb+dRdSxEHj1WDFK/UlBfiBh

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3612-1-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1976-2-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3612-3-0x0000000010000000-0x0000000010048000-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
Xtremerat family
xtremerat

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1976-0-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3612-1-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1976-2-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3612-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4052	3612	WerFault.exe	85
3832	3612	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 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	7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 3612	1976	7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe	85
PID 1976 wrote to memory of 3612	1976	7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe	85
PID 1976 wrote to memory of 3612	1976	7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe	85
PID 1976 wrote to memory of 3612	1976	7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe	85
PID 1976 wrote to memory of 3592	1976	7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe	86
PID 1976 wrote to memory of 3592	1976	7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe	86
PID 1976 wrote to memory of 3592	1976	7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7c3c1cd49f1ae9c250fc829250b7cd74_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 476
    3⤵
    - Program crash
    PID:4052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 488
    3⤵
    - Program crash
    PID:3832
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3612 -ip 3612
1⤵
PID:2976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3612 -ip 3612
1⤵
PID:3260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1976-0-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1976-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3612-1-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3612-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download