xtremerat | f69fbb9998e05ad067be92f9f9b3278b4db1da813e263d2aa6c2fbb6648504d0

General

Target

2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
Size

120KB
MD5

2a3c3c6ba75914e63411d007249cfe18
SHA1

5d5913a6c6fcbf5ee970ad07d2d4271053a28122
SHA256

f69fbb9998e05ad067be92f9f9b3278b4db1da813e263d2aa6c2fbb6648504d0
SHA512

1876eee4a5f408fe35d1d80054586fd1cc1e1882fd112396331ef0c121be94b040abf3be4d2fe2324ed13e90f637b1bbf08d769f8fd4f6361ee01f174193aaab
SSDEEP

1536:NzOPjwD7qladE6v6ScJqgyQH2KP9RRY5+Rt7e:APc4SmqG54Cti

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2092-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2092-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2804-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2092-14-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2804-16-0x0000000000C80000-0x0000000000C96000-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\{OD8JL0YR-T17A-V2G3-O67W-36H84RV41X83}	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{OD8JL0YR-T17A-V2G3-O67W-36H84RV41X83}\StubPath = "C:\\Windows\\InstallDir\\catirt.exe restart"	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe

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:\\Windows\\InstallDir\\catirt.exe"	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\catirt.exe"	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 976 set thread context of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2092-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2092-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2092-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2092-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2804-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2092-14-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2804-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
File opened for modification	C:\Windows\InstallDir\catirt.exe	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
File created	C:\Windows\InstallDir\catirt.exe	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe

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

System Information Discovery
T1082

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	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
2804	explorer.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 976 wrote to memory of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83
PID 976 wrote to memory of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83
PID 976 wrote to memory of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83
PID 976 wrote to memory of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83
PID 976 wrote to memory of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83
PID 976 wrote to memory of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83
PID 976 wrote to memory of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83
PID 976 wrote to memory of 2092	976	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	83
PID 2092 wrote to memory of 3892	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	86
PID 2092 wrote to memory of 3892	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	86
PID 2092 wrote to memory of 3892	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	86
PID 2092 wrote to memory of 2416	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	88
PID 2092 wrote to memory of 2416	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	88
PID 2092 wrote to memory of 2416	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	88
PID 2092 wrote to memory of 2804	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	89
PID 2092 wrote to memory of 2804	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	89
PID 2092 wrote to memory of 2804	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	89
PID 2092 wrote to memory of 2804	2092	2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:976
- C:\Users\Admin\AppData\Local\Temp\2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2a3c3c6ba75914e63411d007249cfe18_JaffaCakes118.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:3892
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2416
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2804

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2092-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2092-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2092-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2092-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2092-14-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2804-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2804-16-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads