9e0692e47635c2740e7035aaa22474a41b035614c9ccbfb8800953a3a2ced14d

General

Target

734e2147b55939db3335cd9f86eab904_JaffaCakes118.dll
Size

29KB
MD5

734e2147b55939db3335cd9f86eab904
SHA1

921d6c31dbfbcedb7762dd0b0318fd7d2ff5fde7
SHA256

9e0692e47635c2740e7035aaa22474a41b035614c9ccbfb8800953a3a2ced14d
SHA512

58aec0e7eb501dbfe6f69f8289798f06ceec0141649da80adecacad05f999fa473014774ed0a9d798569b4ca91e2aa3a706cbcb45a98a8fe14356566bd6859d9
SSDEEP

384:FW7nwY0650hP7WgNveh7FAkY0HGtt44QkyWRejYo3dZhRUbCfCgSEcxfGW6WWAI:M7nwYYT4pcr0iUjUbAKEMfCH

Score

8^/10

defense_evasion discovery persistence

Malware Config

Signatures

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rundll32.exe	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rundll32.exe\Debugger = "C:\\Program Files\\Internet Explorer\\rundll32 setupapi.dll,s"	rundll32.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe

Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

remove IFEO.

defense_evasion

Clear Persistence

T1070.009

description	ioc	Process
Delete value	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rundll32.exe\Debugger	rundll32.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 3100	2740	rundll32.exe	83
PID 2740 wrote to memory of 3100	2740	rundll32.exe	83
PID 2740 wrote to memory of 3100	2740	rundll32.exe	83
PID 3100 wrote to memory of 4800	3100	rundll32.exe	84
PID 3100 wrote to memory of 4800	3100	rundll32.exe	84
PID 3100 wrote to memory of 4800	3100	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\734e2147b55939db3335cd9f86eab904_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\734e2147b55939db3335cd9f86eab904_JaffaCakes118.dll,#1
  2⤵
  - Event Triggered Execution: Image File Execution Options Injection
  - Checks BIOS information in registry
  - Indicator Removal: Clear Persistence
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 C:\Users\Admin\AppData\Local\Temp\734e2147b55939db3335cd9f86eab904_JaffaCakes118.dll,#1
    3⤵
    - Checks BIOS information in registry
    - System Location Discovery: System Language Discovery
    PID:4800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Image File Execution Options Injection

1

T1546.012

Privilege Escalation

Event Triggered Execution

1

T1546

Image File Execution Options Injection

1

T1546.012

Defense Evasion

Indicator Removal

1

T1070

Clear Persistence

1

T1070.009

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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

memory/3100-0-0x0000000010001000-0x0000000010002000-memory.dmp

Filesize
4KB

Download
memory/3100-1-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/3100-2-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/3100-3-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/3100-4-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/3100-8-0x0000000010003000-0x0000000010004000-memory.dmp

Filesize
4KB

Download
memory/3100-7-0x0000000010003000-0x0000000010004000-memory.dmp

Filesize
4KB

Download
memory/3100-6-0x0000000010003000-0x0000000010004000-memory.dmp

Filesize
4KB

Download
memory/3100-5-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/4800-9-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/4800-17-0x0000000010003000-0x0000000010004000-memory.dmp

Filesize
4KB

Download
memory/4800-16-0x0000000010006000-0x0000000010007000-memory.dmp

Filesize
4KB

Download
memory/4800-15-0x0000000010006000-0x0000000010007000-memory.dmp

Filesize
4KB

Download
memory/4800-14-0x0000000010003000-0x0000000010004000-memory.dmp

Filesize
4KB

Download
memory/4800-13-0x0000000010003000-0x0000000010004000-memory.dmp

Filesize
4KB

Download
memory/4800-12-0x0000000010001000-0x0000000010002000-memory.dmp

Filesize
4KB

Download
memory/4800-11-0x0000000010001000-0x0000000010002000-memory.dmp

Filesize
4KB

Download
memory/4800-10-0x0000000010001000-0x0000000010002000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads