xtremerat | 02d16eb52d9430a7f27f1e083f95b75c81d07072096ea7652dbc325836bde2ad

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 06:47

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General

Target

JaffaCakes118_6f1db221f4c05134756c89502775178e.exe
Size

33KB
MD5

6f1db221f4c05134756c89502775178e
SHA1

068aff7340cff7a79546043d642c9cd43859e638
SHA256

02d16eb52d9430a7f27f1e083f95b75c81d07072096ea7652dbc325836bde2ad
SHA512

e759a2ccf5fcc8c9a9ee59a27f9fa74b8bdffe602c9602c118e9d7f774778b0a892975f4ffcade15c7922b432c3d1a7986169cc1c8f56f0ffd00a7dce0f24aa0
SSDEEP

768:FMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lItzyC90O:ONW71rcYDAWeotvXlOm

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

expertman78.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2504-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4508-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2504-4-0x0000000010000000-0x000000001004D000-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/4508-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2504-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4508-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2504-4-0x0000000010000000-0x000000001004D000-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
4436	2504	WerFault.exe	82
936	2504	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	JaffaCakes118_6f1db221f4c05134756c89502775178e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 2504	4508	JaffaCakes118_6f1db221f4c05134756c89502775178e.exe	82
PID 4508 wrote to memory of 2504	4508	JaffaCakes118_6f1db221f4c05134756c89502775178e.exe	82
PID 4508 wrote to memory of 2504	4508	JaffaCakes118_6f1db221f4c05134756c89502775178e.exe	82
PID 4508 wrote to memory of 2504	4508	JaffaCakes118_6f1db221f4c05134756c89502775178e.exe	82
PID 4508 wrote to memory of 3368	4508	JaffaCakes118_6f1db221f4c05134756c89502775178e.exe	83
PID 4508 wrote to memory of 3368	4508	JaffaCakes118_6f1db221f4c05134756c89502775178e.exe	83
PID 4508 wrote to memory of 3368	4508	JaffaCakes118_6f1db221f4c05134756c89502775178e.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f1db221f4c05134756c89502775178e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f1db221f4c05134756c89502775178e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 484
    3⤵
    - Program crash
    PID:4436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 472
    3⤵
    - Program crash
    PID:936
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2504 -ip 2504
1⤵
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2504 -ip 2504
1⤵
PID:1508

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/2504-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2504-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4508-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4508-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download