xtremerat | b7c149c32f4a808072ad5d96506abb24ac8b9f483874a40ba36939865ecf8e42

Analysis

max time kernel
141s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 11:50

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General

Target

51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Size

306KB
MD5

51f233b146dd0a4e5b0f7b10b36564a4
SHA1

65a46c9d479be9e96b211d5cef6dcf10d8efa165
SHA256

b7c149c32f4a808072ad5d96506abb24ac8b9f483874a40ba36939865ecf8e42
SHA512

c542a668732fc817bdeebbf636cacdf55240f81e0e2fead614e1e293e281870cfd56415382444efdd4ca4d1ee910bf4d1f9ea8e75e2925a2bc4dbdcb420ff218
SSDEEP

6144:CcOkzRueZq/UAEb1Qlei+GQpuc4TyQOGoQbwyUx/F8pKMOqRPHY:ttudUAEb1Q7+GVpT0SuCtOq+

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

4ever4.zapto.org

enadksa.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/404-45-0x0000000010000000-0x0000000010056000-memory.dmp	family_xtremerat
behavioral2/memory/404-44-0x0000000010000000-0x0000000010056000-memory.dmp	family_xtremerat
behavioral2/memory/2020-46-0x0000000010000000-0x0000000010056000-memory.dmp	family_xtremerat
behavioral2/memory/404-47-0x0000000010000000-0x0000000010056000-memory.dmp	family_xtremerat
behavioral2/memory/2020-48-0x0000000010000000-0x0000000010056000-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 1 IoCs

description	pid	Process	procid_target
PID 220 set thread context of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/404-40-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral2/memory/404-42-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral2/memory/404-45-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral2/memory/404-44-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral2/memory/2020-46-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral2/memory/404-47-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral2/memory/2020-48-0x0000000010000000-0x0000000010056000-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
2800	2020	WerFault.exe	87
4932	2020	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 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	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86
PID 220 wrote to memory of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86
PID 220 wrote to memory of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86
PID 220 wrote to memory of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86
PID 220 wrote to memory of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86
PID 220 wrote to memory of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86
PID 220 wrote to memory of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86
PID 220 wrote to memory of 404	220	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	86
PID 404 wrote to memory of 2020	404	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	87
PID 404 wrote to memory of 2020	404	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	87
PID 404 wrote to memory of 2020	404	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	87
PID 404 wrote to memory of 2020	404	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	87
PID 404 wrote to memory of 4956	404	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	89
PID 404 wrote to memory of 4956	404	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	89
PID 404 wrote to memory of 4956	404	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:220
- C:\Users\Admin\AppData\Local\Temp\51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:404
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2020
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 480
      4⤵
      Program crash
      PID:2800
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 476
      4⤵
      Program crash
      PID:4932
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2020 -ip 2020
1⤵
PID:4392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2020 -ip 2020
1⤵
PID:380

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/220-20-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/220-14-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

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memory/220-2-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-1-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-6-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

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memory/220-37-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

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memory/220-36-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-35-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-34-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-33-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-32-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-31-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-30-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

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memory/220-29-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

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memory/220-28-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-27-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/220-0-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/220-25-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-24-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-23-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-22-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-21-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-18-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-19-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

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memory/220-26-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/220-17-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/220-16-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/220-11-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/220-10-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

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memory/220-9-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

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memory/220-8-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/220-7-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

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memory/220-5-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/220-15-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/220-3-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/220-13-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/220-12-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/220-4-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/220-43-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/404-42-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/404-40-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/404-45-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/404-44-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/404-47-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2020-46-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2020-48-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download