41ba40a72b398e5aefd77493c194f54c40046c3edafa0e01fe7ce56e6edb50a3

General

Target

43c890b977f448179da773c6c5b05519_JaffaCakes118.exe
Size

560KB
MD5

43c890b977f448179da773c6c5b05519
SHA1

b724ea6d22ae138900dd50ee4ff8b2bbeffeca20
SHA256

41ba40a72b398e5aefd77493c194f54c40046c3edafa0e01fe7ce56e6edb50a3
SHA512

75fc31522d5607860ce1491c39b0d44626e93ad225a3d572cc5570c0a8762918b7690d4b2dff77fb7dbb1af151f2a35c53021684d5855721326975f1c4d17fcc
SSDEEP

6144:81oIzYiodjCtl+tmC/cFIrpGn1ET46SpLdCoCCKa2qD93tGZIH1Yixb7O:CoTRCtlkc6tGaewpZq59GZIHOEPO

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2756	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1748	Gtool.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gtool.exe = "C:\\Windows\\Gtool.exe"	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Gtool.exe	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe
File opened for modification	C:\Windows\Gtool.exe	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe
File created	C:\Windows\DELME.BAT	43c890b977f448179da773c6c5b05519_JaffaCakes118.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	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gtool.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe
Token: SeDebugPrivilege	1748	Gtool.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1748	Gtool.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1748	Gtool.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1748	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe	30
PID 2316 wrote to memory of 1748	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe	30
PID 2316 wrote to memory of 1748	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe	30
PID 2316 wrote to memory of 1748	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe	30
PID 2316 wrote to memory of 2756	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2756	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2756	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2756	2316	43c890b977f448179da773c6c5b05519_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\43c890b977f448179da773c6c5b05519_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43c890b977f448179da773c6c5b05519_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\Gtool.exe
  C:\Windows\Gtool.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1748
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\DELME.BAT
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2756

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

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Downloads

C:\Windows\DELME.BAT

Filesize
218B

MD5
f5eaa9dd0b5655a02ce34d17d59f0761

SHA1
690c376827d24932c3db2f8799c513e2abdeda62

SHA256
639fcac7887414fae89b19cddb9c47b11e1ea8f6dad8dda7f33ed02c9e3d49ca

SHA512
c0bb5f399a60aa740af14215f4ad87842990dfd87b94f10ee5b9c00659902c56842ef3eb77599c5580af583c94584f77bd68db2b846e82cda24947d133521978

Download Submit
C:\Windows\Gtool.exe

Filesize
560KB

MD5
43c890b977f448179da773c6c5b05519

SHA1
b724ea6d22ae138900dd50ee4ff8b2bbeffeca20

SHA256
41ba40a72b398e5aefd77493c194f54c40046c3edafa0e01fe7ce56e6edb50a3

SHA512
75fc31522d5607860ce1491c39b0d44626e93ad225a3d572cc5570c0a8762918b7690d4b2dff77fb7dbb1af151f2a35c53021684d5855721326975f1c4d17fcc

Download Submit
memory/2316-2-0x00000000004D1000-0x0000000000529000-memory.dmp

Filesize
352KB

Download
memory/2316-1-0x00000000004D0000-0x000000000052B000-memory.dmp

Filesize
364KB

Download
memory/2316-0-0x00000000004D0000-0x000000000052B000-memory.dmp

Filesize
364KB

Download
memory/2316-3-0x00000000004D0000-0x000000000052B000-memory.dmp

Filesize
364KB

Download
memory/2316-11-0x0000000000600000-0x000000000065B000-memory.dmp

Filesize
364KB

Download
memory/2316-10-0x0000000000600000-0x000000000065B000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads