xtremerat | eb07d53837dd23baec42dd8e8d65df28fd3c21f4565e829d5a882a5d49a57c5a

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-11-2024 22:29

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General

Target

84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe
Size

81KB
MD5

84a14b8a621cad42b7c63b3e6c1f7653
SHA1

14a523b5c6af2930cedc0f9c8324f1c7bf246deb
SHA256

eb07d53837dd23baec42dd8e8d65df28fd3c21f4565e829d5a882a5d49a57c5a
SHA512

aeca9170d6bc81abaf67be0fec168bc4430ee5562abfb6e4fbe00fcb5cff1981f13fe79b4783affdd6b9314ad09c6c12cd046aefcc516d0d57886a6aec7f4bbf
SSDEEP

1536:K+36zlXuVXr6aoeKl0Wm2bUouyf6MQTx:K+36U92IoTXQ

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2200-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2200-1-0x0000000000C80000-0x0000000000C96000-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 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2200-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2200-1-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1796 2200 WerFault.exe 84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe
System Location Discovery: System Language Discovery 1 TTPs 1 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:

84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe

pid	pid_target	process	target process
1796	2200	WerFault.exe	84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe

description	pid	process	target process
PID 2200 wrote to memory of 1796	2200	84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe	WerFault.exe
PID 2200 wrote to memory of 1796	2200	84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe	WerFault.exe
PID 2200 wrote to memory of 1796	2200	84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe	WerFault.exe
PID 2200 wrote to memory of 1796	2200	84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\84a14b8a621cad42b7c63b3e6c1f7653_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 160
  2⤵
  - Program crash
  PID:1796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2200-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2200-1-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download