4364f9fc1cc7fd4ddb4bbe69f87ba613d7e7053db817433ed0b32a494ff94dd8

Analysis

max time kernel
150s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09-07-2024 09:00

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General

Target

2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe
Size

52KB
MD5

2fbe095c466fa53c0f19292f9b8ebc65
SHA1

3154b1a89890879b62835a0615556e98be754b64
SHA256

4364f9fc1cc7fd4ddb4bbe69f87ba613d7e7053db817433ed0b32a494ff94dd8
SHA512

e6630131475181b4fe5c378904670578a978763cfcf1c90c7d31c21ba484c45150535108a513eed0ae74bd02c3024f79f5fa8b65b64237193cababcd0b2d824e
SSDEEP

1536:Vzr4Mzh5N4iOvgOWqZi+LNwyKJ7WsKjR+i5dP:VzrJ5uiMgO7tMtiwi7P

Score

7^/10

persistence upx

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe
4376	rundll32.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2136-1-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/2136-2-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/2136-5-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/2136-11-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2136-12-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2136-13-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2136-19-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/4376-29-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/4376-33-0x0000000010000000-0x0000000010014000-memory.dmp	upx

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\\pmnoPggH.dll,#1"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\cbXPjHXR.dll	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cbXPjHXR.dll	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\pmnoPggH.dll	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\pmnoPggH.dll	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{09F73835-323E-4640-94AE-6BDD590CFED7}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{09F73835-323E-4640-94AE-6BDD590CFED7}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{09F73835-323E-4640-94AE-6BDD590CFED7}\InprocServer32\ = "C:\\Windows\\SysWow64\\pmnoPggH.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{09F73835-323E-4640-94AE-6BDD590CFED7}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe
2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe
4376	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 628	2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe	5
PID 2136 wrote to memory of 4376	2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe	87
PID 2136 wrote to memory of 4376	2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe	87
PID 2136 wrote to memory of 4376	2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe	87
PID 2136 wrote to memory of 2520	2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe	88
PID 2136 wrote to memory of 2520	2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe	88
PID 2136 wrote to memory of 2520	2136	2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe	88

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:628

C:\Users\Admin\AppData\Local\Temp\2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2fbe095c466fa53c0f19292f9b8ebc65_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:2136
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\pmnoPggH.dll,a
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4376
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\2fbe095c466fa53c0f19292f9b8ebc65_JaffaCakes118.exe"
  2⤵
  PID:2520

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

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Downloads

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

Filesize
43B

MD5
9a7ef09167a6f4433681b94351509043

SHA1
259b1375ed8e84943ca1d42646bb416325c89e12

SHA256
d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

SHA512
96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

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

Filesize
35KB

MD5
06f83564e52dc2ce46ab8b2a6dca821d

SHA1
f07536fd4ba49a5866ea21946c828d7bd2042484

SHA256
0cf79ec00b90c2792e293ae88374c507936a3eafcc62c46ff2cc2a3dccce81c5

SHA512
7faef13c156e13bdd586053a8af38eee5bc6102bb1b2dee6757fb0559c888911d0b961b2e92ca65d6466b7c0f925658af43f90694a36327a236628b5b0d2ac4e

Download Submit
memory/2136-4-0x0000000000408000-0x0000000000411000-memory.dmp

Filesize
36KB

Download
memory/2136-13-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2136-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2136-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2136-11-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2136-12-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2136-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2136-3-0x00000000005B0000-0x00000000005BB000-memory.dmp

Filesize
44KB

Download
memory/2136-19-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2136-1-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4376-31-0x000000001000E000-0x0000000010013000-memory.dmp

Filesize
20KB

Download
memory/4376-30-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/4376-29-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/4376-33-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/4376-35-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download