xtremerat | 9dac6047f227bd2da1ebcf60c6a1af935053ac0a8dd84f80cc6ddb96aedf426b

Analysis

max time kernel
95s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2025 20:01

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General

Target

JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe
Size

30KB
MD5

077b86a92515c610ba345a2a78d0dff7
SHA1

687e814f89cfe19616d14b69a1d32eef06bf835e
SHA256

9dac6047f227bd2da1ebcf60c6a1af935053ac0a8dd84f80cc6ddb96aedf426b
SHA512

c5ff593744b85ea115b6fbb9fff232a76d4edaeab845ebd594c575d69baaa2e30fb99e458a963e0e6ad0bd07c2d89f77a7d6a726750d52e22e2fc69524d7bff9
SSDEEP

768:I4l/50VTed7NY+K3LeJPd2lVMG7Rxrl4U2sJD7St8w:iTyu7YOMqRvBD7Sa

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3080-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1724-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3080-4-0x0000000010000000-0x000000001004A000-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/1724-0-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3080-1-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/1724-3-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3080-4-0x0000000010000000-0x000000001004A000-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
4204	3080	WerFault.exe	84
448	3080	WerFault.exe	84

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_077b86a92515c610ba345a2a78d0dff7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 3080	1724	JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe	84
PID 1724 wrote to memory of 3080	1724	JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe	84
PID 1724 wrote to memory of 3080	1724	JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe	84
PID 1724 wrote to memory of 3080	1724	JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe	84
PID 1724 wrote to memory of 5096	1724	JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe	85
PID 1724 wrote to memory of 5096	1724	JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe	85
PID 1724 wrote to memory of 5096	1724	JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_077b86a92515c610ba345a2a78d0dff7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 484
    3⤵
    - Program crash
    PID:4204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 492
    3⤵
    - Program crash
    PID:448
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3080 -ip 3080
1⤵
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3080 -ip 3080
1⤵
PID:4208

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

Replay Monitor

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Downloads

memory/1724-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1724-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3080-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3080-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download