94a2c3d3464df4724e1f78be8e1d083f5e9191e03e9e8445919f4caea0746703

General

Target

b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe
Size

132KB
MD5

b5fd690d5899ef967267bd414b937bdd
SHA1

a23a37269d323413ef9be94f0ef6fa537ef89779
SHA256

94a2c3d3464df4724e1f78be8e1d083f5e9191e03e9e8445919f4caea0746703
SHA512

e1da0819cdfe23684ebd9e4e19708bc90803eb750e9e72a476cb3118c168f90788204a063df26b4bfc728447dc09cd89edc7a12e46ce699bcd7f5264d8a48100
SSDEEP

3072:ndclLgbQoo8Pkc8oPxbHjd6dOlRsgxJr+gehQMR9:nKgb1LPtPBjdcgmTR

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 8 IoCs

pid	Process
2544	rundll32.exe
2544	rundll32.exe
2544	rundll32.exe
2544	rundll32.exe
2812	rundll32.exe
2812	rundll32.exe
2812	rundll32.exe
2812	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Odicub = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Prcfui.dll\",Startup"	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2544	rundll32.exe
2544	rundll32.exe
2544	rundll32.exe
2544	rundll32.exe
2544	rundll32.exe
2544	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2484	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe
2544	rundll32.exe
2812	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2544	2484	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe	30
PID 2484 wrote to memory of 2544	2484	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe	30
PID 2484 wrote to memory of 2544	2484	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe	30
PID 2484 wrote to memory of 2544	2484	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe	30
PID 2484 wrote to memory of 2544	2484	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe	30
PID 2484 wrote to memory of 2544	2484	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe	30
PID 2484 wrote to memory of 2544	2484	b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe	30
PID 2544 wrote to memory of 2812	2544	rundll32.exe	32
PID 2544 wrote to memory of 2812	2544	rundll32.exe	32
PID 2544 wrote to memory of 2812	2544	rundll32.exe	32
PID 2544 wrote to memory of 2812	2544	rundll32.exe	32
PID 2544 wrote to memory of 2812	2544	rundll32.exe	32
PID 2544 wrote to memory of 2812	2544	rundll32.exe	32
PID 2544 wrote to memory of 2812	2544	rundll32.exe	32

C:\Users\Admin\AppData\Local\Temp\b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Prcfui.dll",Startup
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Prcfui.dll",iep
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2812

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Prcfui.dll

Filesize
132KB

MD5
00e14b277302950ed833f59eec3a03e2

SHA1
2d2f79cefa378b9e4be91bd7ff32b4edc22df5f9

SHA256
0a2dc2cda98387521513434aaf22df2cefc100d4ba985dc9ea0f051f48607845

SHA512
d9039b081004e8cf0373054b55104cf131b44315852da41fa9b68477877000118e5c7b35d2c18afa1dd12cc1633716a1a911dd41b83ac3442162d2bf4665122d

Download Submit
memory/2484-0-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2484-3-0x00000000779F0000-0x0000000077B99000-memory.dmp

Filesize
1.7MB

Download
memory/2484-11-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2544-9-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2544-10-0x00000000779F0000-0x0000000077B99000-memory.dmp

Filesize
1.7MB

Download
memory/2544-12-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2544-20-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2544-23-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2812-22-0x00000000779F0000-0x0000000077B99000-memory.dmp

Filesize
1.7MB

Download
memory/2812-24-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads