xtremerat | ef18485a1095f2d6582108d904d35ae60a4698b7241c5c4a86a7f2292656794f

Analysis

max time kernel
92s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 04:39

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General

Target

JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe
Size

26KB
MD5

6a49c1c9d3cd87780f49924109345e90
SHA1

288991e776c1136f5512d8a2c7b0780149d07063
SHA256

ef18485a1095f2d6582108d904d35ae60a4698b7241c5c4a86a7f2292656794f
SHA512

196b81ceb67147eebf487a38ff8f6a6200e7d499ae97e030e7b7e68ceac1828a9ff1ca18d18f2bd246b16041fca86546f376da6d3de25983a2f9b9b85c484a1b
SSDEEP

768:Wyxsv4Mb+dRdSxEHj1WDFK/UlBf7PmTp:WZvEEEHZklBfTMp

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4868-1-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1296-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4868-4-0x0000000010000000-0x0000000010048000-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/1296-0-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4868-1-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1296-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4868-4-0x0000000010000000-0x0000000010048000-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
3936	4868	WerFault.exe	82
2724	4868	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_6a49c1c9d3cd87780f49924109345e90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 4868	1296	JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe	82
PID 1296 wrote to memory of 4868	1296	JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe	82
PID 1296 wrote to memory of 4868	1296	JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe	82
PID 1296 wrote to memory of 4868	1296	JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe	82
PID 1296 wrote to memory of 3012	1296	JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe	83
PID 1296 wrote to memory of 3012	1296	JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe	83
PID 1296 wrote to memory of 3012	1296	JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a49c1c9d3cd87780f49924109345e90.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 472
    3⤵
    - Program crash
    PID:3936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 504
    3⤵
    - Program crash
    PID:2724
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4868 -ip 4868
1⤵
PID:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4868 -ip 4868
1⤵
PID:5040

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/1296-0-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1296-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4868-1-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4868-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download