0711eeff17dc30275d8b5a76b0e650aa305b79605c991aa555004645fc928766

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2024, 21:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe
Size

49KB
MD5

3ad62dbb3a75e3ed1ef4dcefe3e162ea
SHA1

4b7afc57108da57970c655645b35ba3c689cd724
SHA256

0711eeff17dc30275d8b5a76b0e650aa305b79605c991aa555004645fc928766
SHA512

085b77d7b2a7e9802e084fb348535f697c22537ef5d39ef46eedc8c9df9fbb8a90932e5a8ff8d7e72fa12bbbfb321276d2877755762efa4bcbaa1ff06b664233
SSDEEP

768:VYV7Rmgxdyx7IOVs3YaEJUuXaOEAYD9eh0z77Kci5nbR9AnaUCa8GXfuIJJuk:VYpsgC7Rs4Uk8mMiRbR9AUd1k

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
19	1184	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe
1184	rundll32.exe

Adds Run key to start application 2 TTPs 1 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\MSServer = "rundll32.exe C:\\Windows\\system32\\cbXRKBrR.dll,#1"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\cbXRKBrR.dll	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cbXRKBrR.dll	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}\InprocServer32\ = "C:\\Windows\\SysWow64\\cbXRKBrR.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe
2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe
1184	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 624	2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe	5
PID 2112 wrote to memory of 1184	2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe	88
PID 2112 wrote to memory of 1184	2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe	88
PID 2112 wrote to memory of 1184	2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe	88
PID 2112 wrote to memory of 2744	2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe	89
PID 2112 wrote to memory of 2744	2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe	89
PID 2112 wrote to memory of 2744	2112	3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe	89

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:624

C:\Users\Admin\AppData\Local\Temp\3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\cbXRKBrR.dll,a
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1184
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\mlJCTMcD.bat "C:\Users\Admin\AppData\Local\Temp\3ad62dbb3a75e3ed1ef4dcefe3e162ea_JaffaCakes118.exe"
  2⤵
  PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\mlJCTMcD.bat

Filesize
63B

MD5
af5dedeb191631780afe3251f34d8799

SHA1
86a301b3b80745365227560cb72d548ee7b50655

SHA256
327033918c0800b5d3efb86e64db9109fdc686ed7564c77a4408915bb4d8324d

SHA512
82643be912e77329b041ef31a19543b5401996149d3dd5f840d0d4531a35b7477059d9ac48e3eb7f39a3308feafe74c16244e38a741c29bb98fc6f14c90d569e

Download Submit
C:\Windows\SysWOW64\cbXRKBrR.dll

Filesize
36KB

MD5
6078ae713210a6ca936e659a0ee77019

SHA1
f0750194a7afc6c2e3dab598348933c9447b15da

SHA256
987c44cc98f35beab26e8f292e87852610b8038ecd995aed0f9793baaf0697e4

SHA512
2e675de59a3d8bfab7d9dd6b9f0044418b51ff40ab3f9d3723a3f94a150a5de06e3692332be84d2290fcfe29589e9642bf4273fb245ea4267e3930037a4d0492

Download Submit
memory/1184-20-0x0000000000E80000-0x0000000000E85000-memory.dmp

Filesize
20KB

Download
memory/1184-19-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1184-22-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/2112-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2112-1-0x0000000002170000-0x0000000002175000-memory.dmp

Filesize
20KB

Download
memory/2112-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2112-8-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/2112-10-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/2112-11-0x0000000002170000-0x0000000002175000-memory.dmp

Filesize
20KB

Download