xtremerat | 73686e12bb2418752e07871231b64c34fbe996f810d05a642b066218b385d30a

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-10-2024 04:29

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General

Target

72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe
Size

365KB
MD5

72535075f9d9badf16356d9685a0694b
SHA1

33f0915520b53d0ac678392e04eff3142578ec09
SHA256

73686e12bb2418752e07871231b64c34fbe996f810d05a642b066218b385d30a
SHA512

84d87272e08aa4caf13fbe988d0d7d33a095fbb3750cdf2a0cbd647c08bc64378a6875e4aa7bb87fc8658f1f929bdc4a356e3a3f147766dc31fc69824ffe8648
SSDEEP

6144:SwRqy7KFKYkUikWzfcIWubtI7IWsf8bQvC5JjBzxcJsq53TEE2xdt3hLXIh/G3Sv:SwR37KMYk1tWubtI7I/8bQapFcJsu3o0

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3188-13-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/860-15-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/3188-17-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/860-18-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2868-16-0x0000000010000000-0x000000001004B000-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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3736 set thread context of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 4140 set thread context of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3188-12-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3188-13-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3188-14-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/860-15-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3188-17-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/860-18-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2868-16-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3188-9-0x0000000010000000-0x000000001004B000-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
2156	860	WerFault.exe	88
1416	2868	WerFault.exe	90
4868	2868	WerFault.exe	90
1684	860	WerFault.exe	88

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	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	calc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 3736 wrote to memory of 4140	3736	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	85
PID 4140 wrote to memory of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86
PID 4140 wrote to memory of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86
PID 4140 wrote to memory of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86
PID 4140 wrote to memory of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86
PID 4140 wrote to memory of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86
PID 4140 wrote to memory of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86
PID 4140 wrote to memory of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86
PID 4140 wrote to memory of 3188	4140	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	86
PID 3188 wrote to memory of 860	3188	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	88
PID 3188 wrote to memory of 860	3188	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	88
PID 3188 wrote to memory of 860	3188	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	88
PID 3188 wrote to memory of 860	3188	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	88
PID 3188 wrote to memory of 2868	3188	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	90
PID 3188 wrote to memory of 2868	3188	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	90
PID 3188 wrote to memory of 2868	3188	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	90
PID 3188 wrote to memory of 2868	3188	72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3736
- C:\Users\Admin\AppData\Local\Temp\72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Users\Admin\AppData\Local\Temp\72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\72535075f9d9badf16356d9685a0694b_JaffaCakes118.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3188
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:860
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 488
        5⤵
        Program crash
        
        PID:2156
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 476
        5⤵
        Program crash
        
        PID:1684
  - - C:\Windows\SysWOW64\calc.exe
      calc.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:2868
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 468
        5⤵
        Program crash
        
        PID:1416
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 476
        5⤵
        Program crash
        
        PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 860 -ip 860
1⤵
PID:3832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2868 -ip 2868
1⤵
PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 860 -ip 860
1⤵
PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2868 -ip 2868
1⤵
PID:2556

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/860-15-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/860-18-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2868-16-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3188-17-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3188-12-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3188-13-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3188-14-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3188-9-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3736-0-0x0000000074DC2000-0x0000000074DC3000-memory.dmp

Filesize
4KB

Download
memory/3736-2-0x0000000074DC0000-0x0000000075371000-memory.dmp

Filesize
5.7MB

Download
memory/3736-1-0x0000000074DC0000-0x0000000075371000-memory.dmp

Filesize
5.7MB

Download
memory/3736-8-0x0000000074DC0000-0x0000000075371000-memory.dmp

Filesize
5.7MB

Download
memory/4140-6-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4140-11-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4140-7-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4140-3-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download