xtremerat | a817a0901ad8a81351c99d905eb6336c4e018b354d7f87403237be91f61b37e9

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 22:05

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General

Target

3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe
Size

30KB
MD5

3c42acde3947ab97f80f6d5e7393db5a
SHA1

cd0e896f06daf01847ec338fbc08200bb6c09d15
SHA256

a817a0901ad8a81351c99d905eb6336c4e018b354d7f87403237be91f61b37e9
SHA512

0d470d84790268630bbd1ae29bedea8771f21bae25c62d684e575a2216a37e76e466c3cf6246736d573b2f2bca2adf81054b0246a51431e0411e641532e6ecb3
SSDEEP

768:R4l/50VTed7NY+K3LeJPd2ZVMqJjp2U0NiXyVpr14id:PTyu7Y6MqJjT0N7Vpr

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/916-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4660-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/916-3-0x0000000010000000-0x000000001004A000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4660-0-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/916-1-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/4660-2-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/916-3-0x0000000010000000-0x000000001004A000-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
4104	916	WerFault.exe	84
1916	916	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	3c42acde3947ab97f80f6d5e7393db5a_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 4660 wrote to memory of 916	4660	3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe	84
PID 4660 wrote to memory of 916	4660	3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe	84
PID 4660 wrote to memory of 916	4660	3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe	84
PID 4660 wrote to memory of 916	4660	3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe	84
PID 4660 wrote to memory of 3164	4660	3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe	86
PID 4660 wrote to memory of 3164	4660	3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe	86
PID 4660 wrote to memory of 3164	4660	3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c42acde3947ab97f80f6d5e7393db5a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 480
    3⤵
    - Program crash
    PID:4104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 488
    3⤵
    - Program crash
    PID:1916
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 916 -ip 916
1⤵
PID:3272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 916 -ip 916
1⤵
PID:3960

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/916-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/916-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4660-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4660-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download