xtremerat | a4e553b190dc2b0d95955e96e3dcc90b345b430c59fc6407f14e46842c1c9f4c

Analysis

max time kernel
148s
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
09-12-2024 13:11

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General

Target

d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe
Size

713KB
MD5

d9c7e0ddb64f4ca65226675e048ea01b
SHA1

33d7af8333b807738b8bf571c77c055590759345
SHA256

a4e553b190dc2b0d95955e96e3dcc90b345b430c59fc6407f14e46842c1c9f4c
SHA512

4c1e125b8ad7ef86724a84a3455823189edf54a7fd866b1b35c2b37ad79dd9d8a906b344af879c620c5e9c6cb79351b1eefa325608f9a0ef045815bab7d36a55
SSDEEP

3072:RY8QoQAEJycqCksRp9IILZ9U652V4l4aAeHjw68Ywajih0aU4nshYQxDqCksRp9a:GqUjUEFPPOQLjUqFP

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

mmmsssaaa.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2312-0-0x0000000010000000-0x00000000100B4000-memory.dmp	family_xtremerat
behavioral2/memory/2172-1-0x0000000010000000-0x00000000100B4000-memory.dmp	family_xtremerat
behavioral2/memory/2312-2-0x0000000010000000-0x00000000100B4000-memory.dmp	family_xtremerat
behavioral2/memory/2172-3-0x0000000010000000-0x00000000100B4000-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/2312-0-0x0000000010000000-0x00000000100B4000-memory.dmp	upx
behavioral2/memory/2172-1-0x0000000010000000-0x00000000100B4000-memory.dmp	upx
behavioral2/memory/2312-2-0x0000000010000000-0x00000000100B4000-memory.dmp	upx
behavioral2/memory/2172-3-0x0000000010000000-0x00000000100B4000-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
3720	2172	WerFault.exe	83
4060	2172	WerFault.exe	83

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	d9c7e0ddb64f4ca65226675e048ea01b_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 2312 wrote to memory of 2172	2312	d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe	83
PID 2312 wrote to memory of 2172	2312	d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe	83
PID 2312 wrote to memory of 2172	2312	d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe	83
PID 2312 wrote to memory of 2172	2312	d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe	83
PID 2312 wrote to memory of 2240	2312	d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe	84
PID 2312 wrote to memory of 2240	2312	d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe	84
PID 2312 wrote to memory of 2240	2312	d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9c7e0ddb64f4ca65226675e048ea01b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 480
    3⤵
    - Program crash
    PID:3720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 488
    3⤵
    - Program crash
    PID:4060
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2172 -ip 2172
1⤵
PID:3676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2172 -ip 2172
1⤵
PID:4860

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

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Downloads

memory/2172-1-0x0000000010000000-0x00000000100B4000-memory.dmp

Filesize
720KB

Download
memory/2172-3-0x0000000010000000-0x00000000100B4000-memory.dmp

Filesize
720KB

Download
memory/2312-0-0x0000000010000000-0x00000000100B4000-memory.dmp

Filesize
720KB

Download
memory/2312-2-0x0000000010000000-0x00000000100B4000-memory.dmp

Filesize
720KB

Download