xtremerat | 8dda55117f705b4ee04b8baa4ffb272edd075bc7fa233b042892465958f156b0

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 03:49

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General

Target

fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe
Size

131KB
MD5

fdbdb2519c54bbcbc97e3fdb8e4f2424
SHA1

ec53fdb37ce15a6584e22d5fa220d42491f56860
SHA256

8dda55117f705b4ee04b8baa4ffb272edd075bc7fa233b042892465958f156b0
SHA512

aaf0d440ccd85e212480e90262a7e064eca56d983e0b9d33be98222a6d8fa4f2d84061e80317f269ce8f63fa074ebb3788d0049fe1c380ad8de044425e689410
SSDEEP

1536:Tsq+QV4rObAdXWpf/y+YaAG4Rd6t3WcQ6G4Rd6t3WcQY:e44rj/laGRd6p2sRd6p2Y

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

cheezhack.no-ip.org

Ÿ末效扈晈cheezhack.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4160-0-0x0000000010000000-0x000000001005A000-memory.dmp	family_xtremerat
behavioral2/memory/2736-1-0x0000000010000000-0x000000001005A000-memory.dmp	family_xtremerat
behavioral2/memory/4160-2-0x0000000010000000-0x000000001005A000-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
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
4824	4160	WerFault.exe	82
4276	4160	WerFault.exe	82

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	fdbdb2519c54bbcbc97e3fdb8e4f2424_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 2736 wrote to memory of 4160	2736	fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe	82
PID 2736 wrote to memory of 4160	2736	fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe	82
PID 2736 wrote to memory of 4160	2736	fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe	82
PID 2736 wrote to memory of 4160	2736	fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe	82
PID 2736 wrote to memory of 2076	2736	fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe	83
PID 2736 wrote to memory of 2076	2736	fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe	83
PID 2736 wrote to memory of 2076	2736	fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fdbdb2519c54bbcbc97e3fdb8e4f2424_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 476
    3⤵
    - Program crash
    PID:4824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 504
    3⤵
    - Program crash
    PID:4276
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4160 -ip 4160
1⤵
PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4160 -ip 4160
1⤵
PID:4264

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/2736-1-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/4160-0-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/4160-2-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download