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\nfwfw.sys	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\nfwfw.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\rjxzxkb\ImagePath = "system32\\drivers\\nfwfw.sys"	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2896	cmd.exe

Loads dropped DLL 8 IoCs

pid	Process
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2556	Rundll32.exe
2556	Rundll32.exe
2556	Rundll32.exe
2556	Rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\IAjd.dll	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\IAjd.dll	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\zg7Cmk.bat	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\2JRnQw0.bat	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2452-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2452-25-0x0000000000400000-0x0000000000419000-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	Rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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

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
1564	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1564	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2556	Rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2556	Rundll32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2572	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2572	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2572	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2572	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2572	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2572	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2572	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	30
PID 2572 wrote to memory of 2556	2572	rundll32.exe	31
PID 2572 wrote to memory of 2556	2572	rundll32.exe	31
PID 2572 wrote to memory of 2556	2572	rundll32.exe	31
PID 2572 wrote to memory of 2556	2572	rundll32.exe	31
PID 2572 wrote to memory of 2556	2572	rundll32.exe	31
PID 2572 wrote to memory of 2556	2572	rundll32.exe	31
PID 2572 wrote to memory of 2556	2572	rundll32.exe	31
PID 2452 wrote to memory of 2896	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	32
PID 2452 wrote to memory of 2896	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	32
PID 2452 wrote to memory of 2896	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	32
PID 2452 wrote to memory of 2896	2452	00dadc4239b025ceceee27a2df737438_JaffaCakes118.exe	32
PID 2896 wrote to memory of 1564	2896	cmd.exe	34
PID 2896 wrote to memory of 1564	2896	cmd.exe	34
PID 2896 wrote to memory of 1564	2896	cmd.exe	34
PID 2896 wrote to memory of 1564	2896	cmd.exe	34

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:2452
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\system32\IAjd.dll,DllRegisterServer
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\Rundll32.exe
    C:\Windows\system32\Rundll32.exe C:\Windows\system32\IAjd.dll,DllUnregisterServer
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    PID:2556
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\2JRnQw0.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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:1564

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\2JRnQw0.bat

Filesize
30B

MD5
e4b9f4d599aff325232e965f05dc34ca

SHA1
488315d6aac8e8887ced074d6653911f1832cadd

SHA256
fe441b53c5ed59283bee4ebae91b69177721d8651d7392a155ce765b409a31aa

SHA512
6ceb8584b19bc7e78c8b182bbb198bca7998c7314c6716672afdf83e66c171360c7d885e8fd0d0e3cbb832f9260b4161127354cd20b048f78baffb0d0b287afc

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

Filesize
32KB

MD5
5dee714c016c7846dc9abec6719cd9b0

SHA1
7e8e945f5723355776e6fbd20b63c4ab02e3474b

SHA256
fb67ef8a3d2b738e5bfc4b940d99e4f5a763afe611cee2a9975fe0feb5d79b65

SHA512
d515a015e32df616bcb5e5fe59090ec7c719678124e1ba5ea2f1a7814eca6407f5fe78927ac1f428bd781ef5ca8b0a66561c2f832396b86c80dafc22f3007b02

Download Submit
C:\Windows\SysWOW64\zg7Cmk.bat

Filesize
249B

MD5
de08306cd8d10a3dba47c0467297214b

SHA1
1d8dfed04879e68460892d74ea8a92944f2792ad

SHA256
57fb9b3f5346e87fd9cc8f395a14123bbf22c88cbb735eadb7ee9cabb3e8d105

SHA512
dd0534dc0dee4588216ef8c6cf83f1ad69adb46b742fd370c0f9d6793872a1e92c4b7c7e67765ddf7702955f5feeb058e340d4be42038e87faf9def767388f43

Download Submit
memory/2452-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2452-25-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads