xtremerat | 9b05acc56afca5abcaf22d4c0bc86e8429ed69259af81bd4afcdd4e45ce90fab

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 06:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe
Size 590KB
Sample240719-halmbaxann
SHA256 9b05acc56afca5abcaf22d4c0bc86e8429ed69259af81bd4afcdd4e45ce90fab
MD5 5ad3c20723f5b67dc7c75e0b2a148a99
SHA1 332e28f3ea4c832f102fd370fa206e04711d4759
SHA512 ba69847a69b6043f07cbbd09eb9cd6bebf5b77dda498ccdf422454ba8656995e7ab74dab9270a50ae216619cab0ce7bbd91d8921ce8f7af38b80d4935ed0eb37
SSDEEP 6144:Ax/+pd1bEz2s7ETRhEgZJTMuk+pd1bEz2s7ETRhEgXJ:o/+pd167QhEi4uk+pd167QhE0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2672-0-0x0000000010000000-0x0000000010095000-memory.dmp	family_xtremerat
behavioral2/memory/4788-1-0x0000000010000000-0x0000000010095000-memory.dmp	family_xtremerat
behavioral2/memory/2672-2-0x0000000010000000-0x0000000010095000-memory.dmp	family_xtremerat
behavioral2/memory/4788-4-0x0000000010000000-0x0000000010095000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2672-0-0x0000000010000000-0x0000000010095000-memory.dmp	upx
behavioral2/memory/4788-1-0x0000000010000000-0x0000000010095000-memory.dmp	upx
behavioral2/memory/2672-2-0x0000000010000000-0x0000000010095000-memory.dmp	upx
behavioral2/memory/4788-4-0x0000000010000000-0x0000000010095000-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
2768	4788	WerFault.exe	84
2072	4788	WerFault.exe	84

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 4788	2672	5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe	84
PID 2672 wrote to memory of 4788	2672	5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe	84
PID 2672 wrote to memory of 4788	2672	5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe	84
PID 2672 wrote to memory of 4788	2672	5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe	84
PID 2672 wrote to memory of 3304	2672	5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe	86
PID 2672 wrote to memory of 3304	2672	5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe	86
PID 2672 wrote to memory of 3304	2672	5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5ad3c20723f5b67dc7c75e0b2a148a99_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 476
    3⤵
    - Program crash
    PID:2768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 504
    3⤵
    - Program crash
    PID:2072
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4788 -ip 4788
1⤵
PID:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4788 -ip 4788
1⤵
PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2672-0-0x0000000010000000-0x0000000010095000-memory.dmp

Download

memory/2672-2-0x0000000010000000-0x0000000010095000-memory.dmp

Download

memory/4788-1-0x0000000010000000-0x0000000010095000-memory.dmp

Download

memory/4788-4-0x0000000010000000-0x0000000010095000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads