ab4879d295dd56ac2e685a280ff70cf2c5831e7ccf63d2a8023df3bf7c9c6753

General

Target

034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe
Size

445KB
MD5

034147d1a3607499ee9c0693c0148fb9
SHA1

1f9a645ad9276257dba97c7051794c20f2cfbd47
SHA256

ab4879d295dd56ac2e685a280ff70cf2c5831e7ccf63d2a8023df3bf7c9c6753
SHA512

cd3b482ca10b771833ead696e28b28281857b02a3728783af3f2b4a491a74ac86547bfb1e6cf85f9764fe2ea7958afb872df6fb96a730065e6e966527d8c6dfb
SSDEEP

6144:FiQmLudnQqoZSTipK1PRO8K4sJGDzCWDRHzSo04w98gWNlPTGQQm6agrd:cQBdnQqoGi81JSmzhlmo9NtTird

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2628	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	sc.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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\sc.exe = "C:\\Windows\\sc.exe"	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	sc.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\GUOCYOKl.BAT	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe
File created	C:\Windows\sc.exe	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe
File opened for modification	C:\Windows\sc.exe	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2668	sc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe
Token: SeDebugPrivilege	2668	sc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2668	sc.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2668	sc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2668	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe	28
PID 1672 wrote to memory of 2668	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe	28
PID 1672 wrote to memory of 2668	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe	28
PID 1672 wrote to memory of 2668	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe	28
PID 2668 wrote to memory of 2688	2668	sc.exe	29
PID 2668 wrote to memory of 2688	2668	sc.exe	29
PID 2668 wrote to memory of 2688	2668	sc.exe	29
PID 2668 wrote to memory of 2688	2668	sc.exe	29
PID 1672 wrote to memory of 2628	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe	30
PID 1672 wrote to memory of 2628	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe	30
PID 1672 wrote to memory of 2628	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe	30
PID 1672 wrote to memory of 2628	1672	034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\034147d1a3607499ee9c0693c0148fb9_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\sc.exe
  C:\Windows\sc.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Launches sc.exe
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    PID:2688
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\GUOCYOKl.BAT
  2⤵
  - Deletes itself
  PID:2628

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

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\GUOCYOKl.BAT

Filesize
218B

MD5
9e576f20f04bbfb8c384c351b80f08d0

SHA1
a5504c8de2d15470153900c26acc870bcfed7e0d

SHA256
4e95d1ff0cb7654ccc097e7faae22f15dda9afd9ef778fb03a35c674176fbd4d

SHA512
7421cb2dce44f05943cf22587214837d0e77e4ca417591dfda528bca12f86bc27d22dd3a95f3dadabbd3950c1ba1d1ce3241c6881a63facec2369874e79160d9

Download Submit
C:\Windows\sc.exe

Filesize
445KB

MD5
034147d1a3607499ee9c0693c0148fb9

SHA1
1f9a645ad9276257dba97c7051794c20f2cfbd47

SHA256
ab4879d295dd56ac2e685a280ff70cf2c5831e7ccf63d2a8023df3bf7c9c6753

SHA512
cd3b482ca10b771833ead696e28b28281857b02a3728783af3f2b4a491a74ac86547bfb1e6cf85f9764fe2ea7958afb872df6fb96a730065e6e966527d8c6dfb

Download Submit
memory/1672-2-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1672-16-0x0000000002F10000-0x0000000002FFA000-memory.dmp

Filesize
936KB

Download
memory/1672-4-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1672-0-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1672-6-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/1672-7-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1672-8-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1672-3-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1672-30-0x00000000002D0000-0x0000000000313000-memory.dmp

Filesize
268KB

Download
memory/1672-5-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1672-1-0x00000000002D0000-0x0000000000313000-memory.dmp

Filesize
268KB

Download
memory/1672-20-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2668-21-0x0000000001D80000-0x0000000001D81000-memory.dmp

Filesize
4KB

Download
memory/2668-18-0x00000000002A0000-0x00000000002E3000-memory.dmp

Filesize
268KB

Download
memory/2668-17-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2668-32-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2668-33-0x00000000002A0000-0x00000000002E3000-memory.dmp

Filesize
268KB

Download
memory/2668-35-0x0000000001D80000-0x0000000001D81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads