xtremerat | 6b9fda1073560dde994d70ba49e7a2999433bc9c4d16caa190d7f8b3a110a2d8

General

Target

46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe
Size

548KB
MD5

46f46b0e87b4fd98dd763b83a05cbacf
SHA1

689e2b353176a9c6109f20b3e5ba76427dc3160e
SHA256

6b9fda1073560dde994d70ba49e7a2999433bc9c4d16caa190d7f8b3a110a2d8
SHA512

21439e878478e4602748eadd27aa90ecf37d9d225a1ba42d3cd8faabc9252aeaacf356a39b6dc4f6da2619947e9d9bc025ed6b2f1bd938f37b5adc81bee0ead3
SSDEEP

6144:M5raBCDorABOraBCDorABDraBCDorABO9i5vohiAdraBCDo:EraBdraB0raBUoNraB

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

cescmouad.zapto.org

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/2116-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2116-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1876-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2116-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1876-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2116-12-0x0000000010000000-0x000000001004D000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{U1JH7UUB-14B6-QVIC-B52U-A30H37784QKA}	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{U1JH7UUB-14B6-QVIC-B52U-A30H37784QKA}\StubPath = "C:\\drivers\\driver.exe restart"	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2116-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2116-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2116-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2116-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1876-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2116-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1876-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2116-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\drivers\\driver.exe"	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\drivers\\driver.exe"	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4124 set thread context of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85

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
2392	1876	WerFault.exe	87
4784	1876	WerFault.exe	87

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe
2116	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85
PID 4124 wrote to memory of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85
PID 4124 wrote to memory of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85
PID 4124 wrote to memory of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85
PID 4124 wrote to memory of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85
PID 4124 wrote to memory of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85
PID 4124 wrote to memory of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85
PID 4124 wrote to memory of 2116	4124	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	85
PID 2116 wrote to memory of 1876	2116	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	87
PID 2116 wrote to memory of 1876	2116	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	87
PID 2116 wrote to memory of 1876	2116	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	87
PID 2116 wrote to memory of 1876	2116	46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\46f46b0e87b4fd98dd763b83a05cbacf_JaffaCakes118.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 480
      4⤵
      Program crash
      PID:2392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 488
      4⤵
      Program crash
      PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1876 -ip 1876
1⤵
PID:792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1876 -ip 1876
1⤵
PID:1464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1876-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1876-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2116-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2116-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2116-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2116-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2116-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2116-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads