xtremerat | c777148f3880e261e1ec9ff5e174e5fd22b4f4f2aae5a459ff20e1344e785989

Analysis

max time kernel
93s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 08:05

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General

Target

JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
Size

672KB
MD5

63b1f64f8aa21c54be0d2bc80251847b
SHA1

5c9df3ef0036c5ad4b92bb357504bf0dd562d2cc
SHA256

c777148f3880e261e1ec9ff5e174e5fd22b4f4f2aae5a459ff20e1344e785989
SHA512

db7d8c2055eef2039e56a450193310dea15e72e92114aab325879b67a93e372c9c1f5c4ac0a874dad35897f06fa1bed2c2cffeb3b095a4f39e887f2295487661
SSDEEP

1536:ukHBh/zwwgYYejIe1Gjsf8Na48u6Nu3SgNGmlS5Dgw/eoQ:NBkjs0Na4JSgNGmlS5DlM

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

mohooooo.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2400-12-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3004-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/432-15-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3004-17-0x0000000010000000-0x0000000010048000-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

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 704 set thread context of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 set thread context of 0	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 4160 set thread context of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 set thread context of 0	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2400-7-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2400-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2400-12-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3004-14-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/432-15-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3004-17-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
408	3004	WerFault.exe	85
4588	432	WerFault.exe	86
1332	432	WerFault.exe	86
2960	3004	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 5 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_63b1f64f8aa21c54be0d2bc80251847b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 704 wrote to memory of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 wrote to memory of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 wrote to memory of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 wrote to memory of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 wrote to memory of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 wrote to memory of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 wrote to memory of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 wrote to memory of 4160	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	83
PID 704 wrote to memory of 0	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 704 wrote to memory of 0	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 704 wrote to memory of 0	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 704 wrote to memory of 0	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 704 wrote to memory of 0	704	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 4160 wrote to memory of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 wrote to memory of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 wrote to memory of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 wrote to memory of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 wrote to memory of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 wrote to memory of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 wrote to memory of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 wrote to memory of 2400	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	84
PID 4160 wrote to memory of 0	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 4160 wrote to memory of 0	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 4160 wrote to memory of 0	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 4160 wrote to memory of 0	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 4160 wrote to memory of 0	4160	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 2400 wrote to memory of 3004	2400	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	85
PID 2400 wrote to memory of 3004	2400	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	85
PID 2400 wrote to memory of 3004	2400	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	85
PID 2400 wrote to memory of 3004	2400	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	85
PID 2400 wrote to memory of 432	2400	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	86
PID 2400 wrote to memory of 432	2400	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	86
PID 2400 wrote to memory of 432	2400	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	86
PID 2400 wrote to memory of 432	2400	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:704
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4160
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2400
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:3004
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 480
        5⤵
        Program crash
        
        PID:408
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 492
        5⤵
        Program crash
        
        PID:2960
  - - C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:432
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 480
        5⤵
        Program crash
        
        PID:4588
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 488
        5⤵
        Program crash
        
        PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3004 -ip 3004
1⤵
PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 432 -ip 432
1⤵
PID:636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3004 -ip 3004
1⤵
PID:512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 432 -ip 432
1⤵
PID:232

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/432-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2400-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2400-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2400-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2400-13-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/3004-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3004-17-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4160-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4160-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4160-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download