d30d84fb3c7113f9e8a9a1c22822138022bba9d0ffe7fea95ade2459808e2a1c

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 08:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe
Size

52KB
MD5

1987cfdf0cfa8ab151bba64cd215f660
SHA1

f288a7d70f19daf88d6564c422ee57eaeddce35c
SHA256

d30d84fb3c7113f9e8a9a1c22822138022bba9d0ffe7fea95ade2459808e2a1c
SHA512

d301f82e7257fd8340cfe1b1316a1e308148ac39d722e9dca6e7279f4391aae51cd4194f6f586bb052bb36d46b06d93299eac1b68f2f4c043ed0513a78a18bdd
SSDEEP

1536:Vzr4Mzh5N4iOvgOWqZi+LNwyKJ7WsKjR+i5dl:VzrJ5uiMgO7tMtiwi7l

Score

7^/10

persistence upx

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe
3092	rundll32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4820-2-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4820-3-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4820-5-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4820-12-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/4820-11-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/4820-13-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/4820-19-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/3092-32-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/3092-35-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/3092-36-0x0000000010000000-0x0000000010014000-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\\fccbBTnm.dll,#1"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fcccdDus.dll	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fccbBTnm.dll	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fccbBTnm.dll	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fcccdDus.dll	1987cfdf0cfa8ab151bba64cd215f660_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\\fccbBTnm.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
4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe
4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe
3092	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 628	4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe	5
PID 4820 wrote to memory of 3092	4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe	101
PID 4820 wrote to memory of 3092	4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe	101
PID 4820 wrote to memory of 3092	4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe	101
PID 4820 wrote to memory of 1696	4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe	102
PID 4820 wrote to memory of 1696	4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe	102
PID 4820 wrote to memory of 1696	4820	1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe	102

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

C:\Users\Admin\AppData\Local\Temp\1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1987cfdf0cfa8ab151bba64cd215f660_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:4820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\fccbBTnm.dll,a
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:3092
- 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\1987cfdf0cfa8ab151bba64cd215f660_JaffaCakes118.exe"
  2⤵
  PID:1696

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1668 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:2196

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\removalfile.bat

Filesize
43B

MD5
9a7ef09167a6f4433681b94351509043

SHA1
259b1375ed8e84943ca1d42646bb416325c89e12

SHA256
d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

SHA512
96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

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

Filesize
35KB

MD5
4e2d80551b863514674cc871d219afff

SHA1
487cfd597e0face6cabe15707c70343151f3e092

SHA256
a5222a3e17a2d1e0874288375c7ff3b42f0fa2b639ce54de52f693a575f45ca1

SHA512
c8203ea1671975dbdf7f49d801bf8849792ede2af23b98f742512d49aaec8af18617550fde893cdd9e8b7aedcd929bf5a359322bf92c3ef75d0feeb0d1d19421

Download Submit
memory/3092-36-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3092-35-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3092-34-0x000000001000E000-0x0000000010013000-memory.dmp

Filesize
20KB

Download
memory/3092-32-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3092-33-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download
memory/4820-4-0x0000000000408000-0x0000000000411000-memory.dmp

Filesize
36KB

Download
memory/4820-11-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/4820-13-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/4820-19-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/4820-12-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/4820-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4820-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4820-3-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4820-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4820-1-0x0000000002160000-0x000000000216B000-memory.dmp

Filesize
44KB

Download