xtremerat | a6e90b09b74fa44fda2e0f9f99a92761d7693ddfc9448eb1e8c3b36c6e6f8773

Analysis

max time kernel
149s
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
25-11-2024 17:48

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General

Target

9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe
Size

30KB
MD5

9cfed6597f58d92614e8051a512d9f94
SHA1

4f307264172f4188a501e7dabb96060881a307a4
SHA256

a6e90b09b74fa44fda2e0f9f99a92761d7693ddfc9448eb1e8c3b36c6e6f8773
SHA512

9483571039bcdb48e22819854efdf8a71ce844faa5c38a2de385bf5311f5b7d67c7503e5cdba9f6825ed77ca0bd19533fc324fc3329c541fe7dc62d2b9103967
SSDEEP

768:e4l/50VTed7NY+K3LeJPd2lVMG7Rxrl4U2sJD74ihElyAOpr:YTyu7YOMqRvBD7RhmN

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3884-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4356-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3884-4-0x0000000010000000-0x000000001004A000-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

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4356-0-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3884-1-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/4356-3-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3884-4-0x0000000010000000-0x000000001004A000-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
1656	3884	WerFault.exe	83
5016	3884	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	9cfed6597f58d92614e8051a512d9f94_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 4356 wrote to memory of 3884	4356	9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe	83
PID 4356 wrote to memory of 3884	4356	9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe	83
PID 4356 wrote to memory of 3884	4356	9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe	83
PID 4356 wrote to memory of 3884	4356	9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe	83
PID 4356 wrote to memory of 3064	4356	9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe	84
PID 4356 wrote to memory of 3064	4356	9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe	84
PID 4356 wrote to memory of 3064	4356	9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9cfed6597f58d92614e8051a512d9f94_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 480
    3⤵
    - Program crash
    PID:1656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 488
    3⤵
    - Program crash
    PID:5016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3884 -ip 3884
1⤵
PID:1340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3884 -ip 3884
1⤵
PID:4596

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/3884-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3884-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4356-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4356-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download