4f7bab60cdd8b4623e470eaa8bfebfd840e069c834a953025b49289d7277a071

General

Target

15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
Size

85KB
MD5

15664ff00b7a6496d48d633b7812ab94
SHA1

cb3ebedbe023ca5884d552f67d9a3f409b0fdc50
SHA256

4f7bab60cdd8b4623e470eaa8bfebfd840e069c834a953025b49289d7277a071
SHA512

680771d2017e8f7118c46d679bf8ea65241855d2e8c7e40dce3c2740d90d03704b0e937ee05e51819788d5662eb26c7830fc490f65bac6c51fc7a8a1afa3e7a3
SSDEEP

1536:CAi7V6+EZFCttj4E56r+Ov4DVwMXZ7sRIMrHWTaWr7UlTn5YjYpeeO6T:CAi7U1kuE5yXEDPa27UnYspFv

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4200	laass.exe

Loads dropped DLL 2 IoCs

pid	Process
4200	laass.exe
1784	rundll32.exe

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\%Program Files%	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\laass.exe	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\363.VBS	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\Cest.bat	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\~	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\uninstall.lnk	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
File opened for modification	C:\Progra~1\%Program Files%\uninstall.lnk	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\windows\best.bat	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
File created	C:\windows\362.vbs	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4080	4200	WerFault.exe	83
5008	1784	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 4200	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	83
PID 1568 wrote to memory of 4200	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	83
PID 1568 wrote to memory of 4200	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	83
PID 1568 wrote to memory of 1784	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	84
PID 1568 wrote to memory of 1784	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	84
PID 1568 wrote to memory of 1784	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	84
PID 1568 wrote to memory of 2940	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	85
PID 1568 wrote to memory of 2940	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	85
PID 1568 wrote to memory of 2940	1568	15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Program Files\%Program Files%\laass.exe
  "C:\Program Files\%Program Files%\laass.exe" uninstall.lnk main
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 352
    3⤵
    - Program crash
    PID:4080
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" uninstall.lnk main
  2⤵
  - Loads dropped DLL
  PID:1784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 596
    3⤵
    - Program crash
    PID:5008
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\15664F~1.EXE > nul & rd c:\%Progr~1 > nul
  2⤵
  PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1784 -ip 1784
1⤵
PID:1792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4200 -ip 4200
1⤵
PID:3424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\%Program Files%\laass.exe

Filesize
9KB

MD5
359c541c07a39ab11bb45aad29b2d2ce

SHA1
3c4f277f184ae306a4d0efe1bcb9e03ecabbb9b7

SHA256
6e2378348ebebf5b301744fedb0be396ef4e7e92ad94877da79eed9eb46850d5

SHA512
768050272dd4875a4c2a6a96f6337334c05d1512dfc0cc9ceee883a7c701de5e2e90872a6f9029de5b528b74c07cb8aa61c10f9f9e834f8021e9759136fcfbff

Download Submit
memory/1568-0-0x0000000000400000-0x00000000012FA123-memory.dmp

Filesize
15.0MB

Download
memory/1568-8-0x0000000000401000-0x00000000012E5000-memory.dmp

Filesize
14.9MB

Download
memory/1568-23-0x0000000000401000-0x00000000012E5000-memory.dmp

Filesize
14.9MB

Download
memory/1568-24-0x0000000000400000-0x00000000012FA123-memory.dmp

Filesize
15.0MB

Download
memory/4200-27-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download

Analysis

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