xtremerat | e347228c165e1353c48fd79bb0e345c8ab014bed705f72a5902787e3eda057ff

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 21:11

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General

Target

e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe
Size

290KB
MD5

e10aeb550261bed83afb11d4b5b858b8
SHA1

2e7c67c3317f4bce58b77b568fc28c032297cc52
SHA256

e347228c165e1353c48fd79bb0e345c8ab014bed705f72a5902787e3eda057ff
SHA512

bdd95dae711f474b0f31e754ca9c3b1ad88cd2e089096fd1688118c2375f3d3f0bc1aa31cb956a5e2bcb4a8de8dc593a5668d613054f8ef62bb6d445a0d33929
SSDEEP

1536:iT8qDqQ8K9MK3tGjbNwPZ6oIeXHW6YOp4GOx:IqMyKdcPeXHW6YOROx

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

0o0o.no-ip.info

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3756-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2672-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3756-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2672-3-0x0000000010000000-0x000000001004A000-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/3756-0-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2672-1-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3756-2-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2672-3-0x0000000010000000-0x000000001004A000-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
436	2672	WerFault.exe	83
448	2672	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	e10aeb550261bed83afb11d4b5b858b8_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 3756 wrote to memory of 2672	3756	e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe	83
PID 3756 wrote to memory of 2672	3756	e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe	83
PID 3756 wrote to memory of 2672	3756	e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe	83
PID 3756 wrote to memory of 2672	3756	e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe	83
PID 3756 wrote to memory of 1364	3756	e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe	84
PID 3756 wrote to memory of 1364	3756	e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe	84
PID 3756 wrote to memory of 1364	3756	e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e10aeb550261bed83afb11d4b5b858b8_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 480
    3⤵
    - Program crash
    PID:436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 504
    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:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2672 -ip 2672
1⤵
PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2672 -ip 2672
1⤵
PID:1572

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/2672-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2672-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3756-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3756-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download