163a2a4412cc26a3c28f2dcee65b665d0ab79c654f8fbff4c6d3725e01d69f3a

General

Target

173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe
Size

321KB
MD5

173bc830abb1c22b4f72767dd2aacd17
SHA1

e6f43fd8c5b17299281db66635e47f60dd0630b0
SHA256

163a2a4412cc26a3c28f2dcee65b665d0ab79c654f8fbff4c6d3725e01d69f3a
SHA512

65999bd1e708830c2bdaa5958d7cae00b71dcfe67cec6cfb13db19c5a547b93829c106a577bb4510fd9608faf6f1990bb50de615ca9e77aa845eec9ef90e70af
SSDEEP

6144:KjLZlcwuO3NYDsNAdnQWMAN6l5yjiqXRZtWpfvxs5kiha0Al3EsRy2LaQtw:Ylc7O3N50BMukyHgG51A5WQy

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2396	cLlPkKo08200.exe

Executes dropped EXE 1 IoCs

pid	Process
2396	cLlPkKo08200.exe

Loads dropped DLL 2 IoCs

pid	Process
1960	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe
1960	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1960-4-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1960-2-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1960-5-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2396-22-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1960-25-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2396-26-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2396-42-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1960-57-0x0000000000400000-0x00000000004B5000-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\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\cLlPkKo08200 = "C:\\ProgramData\\cLlPkKo08200\\cLlPkKo08200.exe"	cLlPkKo08200.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main	cLlPkKo08200.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe
Token: SeDebugPrivilege	2396	cLlPkKo08200.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2396	cLlPkKo08200.exe
2396	cLlPkKo08200.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2396	cLlPkKo08200.exe
2396	cLlPkKo08200.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2396	cLlPkKo08200.exe
2396	cLlPkKo08200.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2396	1960	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe	28
PID 1960 wrote to memory of 2396	1960	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe	28
PID 1960 wrote to memory of 2396	1960	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe	28
PID 1960 wrote to memory of 2396	1960	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960
- C:\ProgramData\cLlPkKo08200\cLlPkKo08200.exe
  "C:\ProgramData\cLlPkKo08200\cLlPkKo08200.exe" "C:\Users\Admin\AppData\Local\Temp\173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\cLlPkKo08200\cLlPkKo08200.exe

Filesize
321KB

MD5
c435675efc70029a323ea4c55eec87fa

SHA1
ae9920002573c6e3ab45cd459f7701801eef0db9

SHA256
87d5a0bb635df88203f5345e8b103b77c18721564aebf4541e5310c1485ce3a2

SHA512
c3cded59fe7fc5501139bf5cf353a9a953c3317328f8cd4709e2cc7b0d999eb82a40e8ec1c853439f7b29f426e5924f43cbf9160d0e90294f65b89d25e68035a

Download Submit
memory/1960-0-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/1960-1-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1960-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1960-2-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1960-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1960-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1960-27-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/1960-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2396-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2396-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2396-42-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads