xtremerat | a0ee4938177c3f303130b68bcaca9a7d6b865c93b4fe794d0e0e96d13ebff3ce

Analysis

max time kernel
94s
max time network
138s
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 16:55

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General

Target

9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe
Size

230KB
MD5

9cbf7d6ce89ac955fb7ef854ca20fb0d
SHA1

16e451b139f79fc0fc95e2989184cbbc6544a8d4
SHA256

a0ee4938177c3f303130b68bcaca9a7d6b865c93b4fe794d0e0e96d13ebff3ce
SHA512

a2b907a9e058d747444c25b67bade177a667d37a2ee2dec28bd6865379ecb876a94f5cde266386fc28ae2ca076dd945bbfc6071c0dcb6575c8dc23a3047670a7
SSDEEP

6144:RBLmqajezILl7bnYsIH95oScXrvLqDDvMo:1iezAfYvcXrmXM

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2408-1-0x0000000010000000-0x0000000010098000-memory.dmp	family_xtremerat
behavioral2/memory/3836-3-0x0000000010000000-0x0000000010098000-memory.dmp	family_xtremerat
behavioral2/memory/2408-4-0x0000000010000000-0x0000000010098000-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/3836-0-0x0000000010000000-0x0000000010098000-memory.dmp	upx
behavioral2/memory/2408-1-0x0000000010000000-0x0000000010098000-memory.dmp	upx
behavioral2/memory/3836-3-0x0000000010000000-0x0000000010098000-memory.dmp	upx
behavioral2/memory/2408-4-0x0000000010000000-0x0000000010098000-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
4728	2408	WerFault.exe	83
2024	2408	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 2408	3836	9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe	83
PID 3836 wrote to memory of 2408	3836	9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe	83
PID 3836 wrote to memory of 2408	3836	9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe	83
PID 3836 wrote to memory of 2408	3836	9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe	83
PID 3836 wrote to memory of 4048	3836	9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe	84
PID 3836 wrote to memory of 4048	3836	9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe	84
PID 3836 wrote to memory of 4048	3836	9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9cbf7d6ce89ac955fb7ef854ca20fb0d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3836
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 348
    3⤵
    - Program crash
    PID:4728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 344
    3⤵
    - Program crash
    PID:2024
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2408 -ip 2408
1⤵
PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2408 -ip 2408
1⤵
PID:1108

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/2408-1-0x0000000010000000-0x0000000010098000-memory.dmp

Filesize
608KB

Download
memory/2408-4-0x0000000010000000-0x0000000010098000-memory.dmp

Filesize
608KB

Download
memory/3836-0-0x0000000010000000-0x0000000010098000-memory.dmp

Filesize
608KB

Download
memory/3836-3-0x0000000010000000-0x0000000010098000-memory.dmp

Filesize
608KB

Download