43e633ac956f1567ad4f8335103c2ccb227860de97a76f7b15207b3298340f8a

General

Target

ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe
Size

13KB
MD5

ea7d7ea7a6c0720cb25fdc5d66f6faa8
SHA1

c20aa964aafeb56dc40d9bc8572b432f10ac1b08
SHA256

43e633ac956f1567ad4f8335103c2ccb227860de97a76f7b15207b3298340f8a
SHA512

12f1dbaa2cfe86536f6f669035fbb96cf3b1115899ba55c244e797a207593d54144e06339d309b61397582f35b42712093f65c572c32acfb360bda20bf181c9d
SSDEEP

384:WFErXuuNxy1LhMPOZQHn+LewiGit30V0FR+:WFEjyJh+OmPnGiU0

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
2544	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2312	jonzyank.exe

Loads dropped DLL 2 IoCs

pid	Process
1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe
1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1620-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x00080000000160da-3.dat	upx
behavioral1/memory/2312-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/1620-20-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2312-22-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\jonzyan.dll	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\jonzyank.exe	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\jonzyank.exe	ea7d7ea7a6c0720cb25fdc5d66f6faa8_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	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2312	1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2312	1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2312	1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2312	1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2544	1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe	31
PID 1620 wrote to memory of 2544	1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe	31
PID 1620 wrote to memory of 2544	1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe	31
PID 1620 wrote to memory of 2544	1620	ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\jonzyank.exe
  C:\Windows\system32\jonzyank.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2312
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2544

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\ea7d7ea7a6c0720cb25fdc5d66f6faa8_JaffaCakes118.exe.bat

Filesize
210B

MD5
0bbd51f738432105daf759e86ffa20ca

SHA1
202274c286e725e64d1c47c80d4b0a97bbd83745

SHA256
0ec6dd6583cd49a1fc4c9221ca1d071aad785fc898a4057d163258369606c909

SHA512
efb4f9c1c4bc8e348676bfb69ef16a1a299bf240081be0c8a8da22feebb35caf4c116026f3bb8614a96d998815a5cd04996e600c79dcde2dd1705e66e66cc683

Download Submit
\Windows\SysWOW64\jonzyank.exe

Filesize
13KB

MD5
ea7d7ea7a6c0720cb25fdc5d66f6faa8

SHA1
c20aa964aafeb56dc40d9bc8572b432f10ac1b08

SHA256
43e633ac956f1567ad4f8335103c2ccb227860de97a76f7b15207b3298340f8a

SHA512
12f1dbaa2cfe86536f6f669035fbb96cf3b1115899ba55c244e797a207593d54144e06339d309b61397582f35b42712093f65c572c32acfb360bda20bf181c9d

Download Submit
memory/1620-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1620-7-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/1620-11-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/1620-20-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2312-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2312-22-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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