376c466871ff1fa4dbc4ab1b523fda7c71e25501f87acb7a674d20ebab2178d8

General

Target

9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe
Size

14KB
MD5

9680030bd03d17653c63b4731ee91111
SHA1

92a8a08bf05254baab19360672888a8d08c26a58
SHA256

376c466871ff1fa4dbc4ab1b523fda7c71e25501f87acb7a674d20ebab2178d8
SHA512

9b3638e6719f34bbcb1b8ea807abb1980bf9123cb14074f1a745aa130abd9c3baeef1334012408e622ef61f1083daf5fc661022878c0280a0ee738bbd2574f72
SSDEEP

384:k4Ful4tuVdqYVTcD6OYf436uLwXLJ9EJKskAB:kT6Cg4cDy439wLsX

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Deletes itself 1 IoCs

pid	Process
2708	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3044	cenbeznk.exe

Loads dropped DLL 2 IoCs

pid	Process
2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe
2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2624-1-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/files/0x0009000000016d19-3.dat	upx
behavioral1/memory/3044-12-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2624-13-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/3044-14-0x0000000000400000-0x0000000000411000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\cenbeznk.exe	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cenbezn.dll	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cenbeznk.exe	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 3044	2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe	31
PID 2624 wrote to memory of 3044	2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe	31
PID 2624 wrote to memory of 3044	2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe	31
PID 2624 wrote to memory of 3044	2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe	31
PID 2624 wrote to memory of 2708	2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe	32
PID 2624 wrote to memory of 2708	2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe	32
PID 2624 wrote to memory of 2708	2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe	32
PID 2624 wrote to memory of 2708	2624	9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\cenbeznk.exe
  C:\Windows\system32\cenbeznk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:3044
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Privilege Escalation

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\9680030bd03d17653c63b4731ee91111_JaffaCakes118.exe.bat

Filesize
210B

MD5
c86a0c4cd09c1128138d449618f92043

SHA1
0794204d79c5be2453eb04d80c073dd7507f926b

SHA256
520a17401eb6811c99113794a55bdda21071392c8e73090e6618517306d33007

SHA512
9eeac7185b047a1679be3ad3c5cb8650bba91556a42c385342872ca5a9721d3f9688d1e7447e6686e840e61280f53036c9a271706250c851f65ac345c7fb315e

Download Submit
\Windows\SysWOW64\cenbeznk.exe

Filesize
14KB

MD5
9680030bd03d17653c63b4731ee91111

SHA1
92a8a08bf05254baab19360672888a8d08c26a58

SHA256
376c466871ff1fa4dbc4ab1b523fda7c71e25501f87acb7a674d20ebab2178d8

SHA512
9b3638e6719f34bbcb1b8ea807abb1980bf9123cb14074f1a745aa130abd9c3baeef1334012408e622ef61f1083daf5fc661022878c0280a0ee738bbd2574f72

Download Submit
memory/2624-1-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2624-11-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/2624-10-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/2624-13-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3044-12-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3044-14-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

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