ef3ee5b1c5aeeae83b68e140e1b731f3ed4e363f258f579dda7b84b35f1c06bf

General

Target

00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
Size

52KB
MD5

00dadc4239b025ceceee27a2df737438
SHA1

f0d2b320c41058fafc4189bbc4ca344fefdd3eec
SHA256

ef3ee5b1c5aeeae83b68e140e1b731f3ed4e363f258f579dda7b84b35f1c06bf
SHA512

89879c8d546fe5b842bd3b12409c7c07ecf432c9b8ad9173b18196e64738bd56c73dec720104db0f206d7289a8d89942228794dd8edbd69b907a03ed506ab999
SSDEEP

1536:Kf9jIMDovoxKJ91zageJudHIV7eE5tD3jgul:KfWBvEK31zagesqVdXjH

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\znmrf.sys	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\znmrf.sys	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\igkj\ImagePath = "system32\\drivers\\znmrf.sys"	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
1420	rundll32.exe
4764	Rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\YMIS.dll	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\lma2sT.bat	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\e4tzTJR.bat	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YMIS.dll	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3480-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3480-13-0x0000000000400000-0x0000000000419000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4788	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4788	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
668	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4764	Rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4764	Rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 1420	3480	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	82
PID 3480 wrote to memory of 1420	3480	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	82
PID 3480 wrote to memory of 1420	3480	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	82
PID 1420 wrote to memory of 4764	1420	rundll32.exe	83
PID 1420 wrote to memory of 4764	1420	rundll32.exe	83
PID 1420 wrote to memory of 4764	1420	rundll32.exe	83
PID 3480 wrote to memory of 3576	3480	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	84
PID 3480 wrote to memory of 3576	3480	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	84
PID 3480 wrote to memory of 3576	3480	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	84
PID 3576 wrote to memory of 4788	3576	cmd.exe	86
PID 3576 wrote to memory of 4788	3576	cmd.exe	86
PID 3576 wrote to memory of 4788	3576	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\system32\YMIS.dll,DllRegisterServer
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\Rundll32.exe
    C:\Windows\system32\Rundll32.exe C:\Windows\system32\YMIS.dll,DllUnregisterServer
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    PID:4764
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\e4tzTJR.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3576
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4788

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

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\YMIS.dll

Filesize
32KB

MD5
14d31db687015ceba9cb99f4b852ec82

SHA1
22ac29d649b54c8dd5ba62a179641b094a7452b6

SHA256
f8240dbf8ac330925af2a652e201fd9ed2dddb4625dd99ef6f7355aacdc8990e

SHA512
a3fad86ab9be1731fbf69b5a80a319e1369db69f8cbe31dc91ffb5305244951031cb39b4d0908b2c78c087629373af360488ff90a5e14128e5f98a20c4d0c4b0

Download Submit
C:\Windows\SysWOW64\e4tzTJR.bat

Filesize
30B

MD5
95d10b80a6acdbaf5412f2c2dcbb1778

SHA1
798834c473e126946abca4a9368d433e4bd233d5

SHA256
b982f53956cb1064b3f9bf08e6fbeada1725621fd9a114974ba9fa1cac25cbaf

SHA512
389a80216e08293b0cd2ba8e1f84642bacd333c89b146b2c452ad7a494fb5eafcbbdc3b4dc791dcec6f2955eff6fde85e9963135fbff7a87fba7448dce402f85

Download Submit
C:\Windows\SysWOW64\lma2sT.bat

Filesize
249B

MD5
de08306cd8d10a3dba47c0467297214b

SHA1
1d8dfed04879e68460892d74ea8a92944f2792ad

SHA256
57fb9b3f5346e87fd9cc8f395a14123bbf22c88cbb735eadb7ee9cabb3e8d105

SHA512
dd0534dc0dee4588216ef8c6cf83f1ad69adb46b742fd370c0f9d6793872a1e92c4b7c7e67765ddf7702955f5feeb058e340d4be42038e87faf9def767388f43

Download Submit
memory/3480-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3480-13-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads