xtremerat | 131b3e9fade5caa6fcd3e6fffe66c6bbbb1c7b7043b6e89bd5f822c90388f572

Analysis

max time kernel
12s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 20:05

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General

Target

8774de5971f801c018c68d9c4f40c6b8_JaffaCakes118.exe
Size

33KB
MD5

8774de5971f801c018c68d9c4f40c6b8
SHA1

605249ce469d56ac5a0be06bbdf46f79375ecd70
SHA256

131b3e9fade5caa6fcd3e6fffe66c6bbbb1c7b7043b6e89bd5f822c90388f572
SHA512

11da4150cba9f2d1e6839e04e17af0e55c76bee120134559a23f165dca23414a4e52eee667cf4eb75aa9526330bbeb1ee54e75ee6ae435cddaf512e7ae8eeffa
SSDEEP

768:62HijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lTtziNoEN:x6W71rcYDAWeotvXlh2Nv

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2488-1-0x0000000010000000-0x000000001004D000-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 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2488-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2488-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3048	2488	WerFault.exe	29

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8774de5971f801c018c68d9c4f40c6b8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 3048	2488	8774de5971f801c018c68d9c4f40c6b8_JaffaCakes118.exe	30
PID 2488 wrote to memory of 3048	2488	8774de5971f801c018c68d9c4f40c6b8_JaffaCakes118.exe	30
PID 2488 wrote to memory of 3048	2488	8774de5971f801c018c68d9c4f40c6b8_JaffaCakes118.exe	30
PID 2488 wrote to memory of 3048	2488	8774de5971f801c018c68d9c4f40c6b8_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\8774de5971f801c018c68d9c4f40c6b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8774de5971f801c018c68d9c4f40c6b8_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 160
  2⤵
  - Program crash
  PID:3048

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/2488-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2488-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download