xtremerat | ea0d44c1f089d1f9f706a9e6970333ac1d1ba0ee2ebc09bb342ac08bfd40800d

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 21:57

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General

Target

8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe
Size

65KB
MD5

8daf880cb6974c1e8f9a0f023aecf45c
SHA1

0a321c3f04e02565c6a117cf55b29e7a1a72b8a9
SHA256

ea0d44c1f089d1f9f706a9e6970333ac1d1ba0ee2ebc09bb342ac08bfd40800d
SHA512

562607b468a3199b4d05179ca82ad4f20c33b6e7a5964162839e54ba4d44396657e1ace6be31c8318c6526bc15cc3851a78833aab5246fd8e407f9de6703188f
SSDEEP

768:i8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiZKPA+7XoF:Qsq+QV4rObAdXWpf/y+7ozNwi1hHaw

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

贀䄯尺murataab.no-ip.biz

murataab.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5096-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3512-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5096-2-0x0000000010000000-0x000000001004A000-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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2444 5096 WerFault.exe svchost.exe
1852 5096 WerFault.exe svchost.exe

pid	pid_target	process	target process
2444	5096	WerFault.exe	svchost.exe
1852	5096	WerFault.exe	svchost.exe

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

Processes:

8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe

description	pid	process	target process
PID 3512 wrote to memory of 5096	3512	8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe	svchost.exe
PID 3512 wrote to memory of 5096	3512	8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe	svchost.exe
PID 3512 wrote to memory of 5096	3512	8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe	svchost.exe
PID 3512 wrote to memory of 5096	3512	8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe	svchost.exe
PID 3512 wrote to memory of 2448	3512	8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe	msedge.exe
PID 3512 wrote to memory of 2448	3512	8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe	msedge.exe
PID 3512 wrote to memory of 2448	3512	8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8daf880cb6974c1e8f9a0f023aecf45c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 480
    3⤵
    - Program crash
    PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 476
    3⤵
    - Program crash
    PID:1852
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5096 -ip 5096
1⤵
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 5096 -ip 5096
1⤵
PID:2136

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/3512-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5096-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5096-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download