xtremerat | 3da164d4afcfabec2a34afb5b44ddcb0ac1ceb2d444acc6271e54e4484297654

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 07:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe
Size

44KB
MD5

2d7c99c0805965342cd93e67194c47f1
SHA1

b6d1497491af9d8a2904487410c2c75e34533595
SHA256

3da164d4afcfabec2a34afb5b44ddcb0ac1ceb2d444acc6271e54e4484297654
SHA512

bd082f36e6fe90f324be2b240aa1aa371edc7ffe7db9340c60d9b58869504c9689bec42476fbf44c3db7d31a25300cf9662727a4af23977afa049edc15642718
SSDEEP

768:fMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lkD4cD95LFq2+Bh5u:0NW71rcYDAWeotvXl64+9f50h5u

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

madra90.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3372-1-0x0000000010000000-0x0000000010054000-memory.dmp	family_xtremerat
behavioral2/memory/1532-2-0x0000000010000000-0x0000000010054000-memory.dmp	family_xtremerat
behavioral2/memory/3372-3-0x0000000010000000-0x0000000010054000-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/1532-0-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral2/memory/3372-1-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral2/memory/1532-2-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral2/memory/3372-3-0x0000000010000000-0x0000000010054000-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
1176	3372	WerFault.exe	84
1168	3372	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	2d7c99c0805965342cd93e67194c47f1_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 1532 wrote to memory of 3372	1532	2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe	84
PID 1532 wrote to memory of 3372	1532	2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe	84
PID 1532 wrote to memory of 3372	1532	2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe	84
PID 1532 wrote to memory of 3372	1532	2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe	84
PID 1532 wrote to memory of 3656	1532	2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe	86
PID 1532 wrote to memory of 3656	1532	2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe	86
PID 1532 wrote to memory of 3656	1532	2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2d7c99c0805965342cd93e67194c47f1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 476
    3⤵
    - Program crash
    PID:1176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 488
    3⤵
    - Program crash
    PID:1168
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3372 -ip 3372
1⤵
PID:1768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3372 -ip 3372
1⤵
PID:2376

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

Loading Replay Monitor...

Downloads

memory/1532-0-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/1532-2-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/3372-1-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/3372-3-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download