xtremerat | ef982d3d8cf7b1ab0c10a6ded5b5eefe3935abfdc5118761f1412b01bace7aad

Analysis

max time kernel
149s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 03:10

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General

Target

043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe
Size

45KB
MD5

043f13448fd09a6280b0583c5a9df36c
SHA1

8edce3d25bd93882673410bb57f0fefb782d1021
SHA256

ef982d3d8cf7b1ab0c10a6ded5b5eefe3935abfdc5118761f1412b01bace7aad
SHA512

5d79edaf71702cefaed1f7718d79ea58e3c35c8abb1322c5ee08b761ef92da7077f9271372248a19b18945c479a22b6bc20ad7d69514a7936338325450178dd0
SSDEEP

768:PBr+tjFY90iY6W1jwmDzKgEFQXaklMIAn0tYCpPZzoKQ:ZyRh31jxPEFQXak+05poKQ

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5576-3-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3228-4-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/5576-6-0x0000000000C80000-0x0000000000C93000-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

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{3C4O8O7U-AS43-WHBO-370S-1VL8U6U75RBW}	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3C4O8O7U-AS43-WHBO-370S-1VL8U6U75RBW}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

Processes:

043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\InstallDir\Server.exe	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Server.exe	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe

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

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

5576 explorer.exe

pid	process
5576	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe

description	pid	process	target process
PID 3228 wrote to memory of 4288	3228	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe	msedge.exe
PID 3228 wrote to memory of 4288	3228	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe	msedge.exe
PID 3228 wrote to memory of 5576	3228	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe	explorer.exe
PID 3228 wrote to memory of 5576	3228	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe	explorer.exe
PID 3228 wrote to memory of 5576	3228	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe	explorer.exe
PID 3228 wrote to memory of 5576	3228	043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\043f13448fd09a6280b0583c5a9df36c_JaffaCakes118.exe"
1⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3228

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
2⤵
PID:4288

C:\Windows\SysWOW64\explorer.exe
explorer.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:5576

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3228-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/5576-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/5576-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download