661f115ac13fe374e36ab608673328ad9b77414f789d3bb487dd8fb5958ba4e9

General

Target

bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Size

2.5MB
MD5

bec42daba42fae73c7afa75869bb06e0
SHA1

81fcfd166a880dd3ea000e07fcf6c20cfd453611
SHA256

661f115ac13fe374e36ab608673328ad9b77414f789d3bb487dd8fb5958ba4e9
SHA512

ff65eb301cbc3ddeb19da72643dd629866d48e65c8e0d1d5abc05cc984bd4db7b3efc835331c15321cb67ea10781e8f2df54ae408e037b5ac3c3eb6b524da970
SSDEEP

49152:YN9QQkFFqrJ4yLi/qK26ViI+JKSUvn0Afb37cYJ6Luveul6qgl:YNjSTyLi/qKpiIRvnj37cYYLu266fl

Score

7^/10

bootkit discovery evasion persistence trojan

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Wine	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 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	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2984	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\install00283.log	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.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	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Modifies registry class 10 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{662AF199-96BE-A5F2-E0CF-34BBB777}\ProdID = 0e866703c62743570a6c21a4ec498fedfc58d7189a50396a	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3AD3DF9A-5B6F-3424-873A-548410C0}\ProdID = 4f051b8e48ee41ce44f260db241c242a04603b41cbb85040	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A4B02A34-14C8-E99D-ADB9-8EA9B143}\ProdID = cef549fe4612426e420e636322e42fd202a044c92aa47ff0	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3AD3DF9A-5B6F-3424-873A-548410C0}\ProdID = 4ff922b16c957c57b8517c7bf225b8db02b392d1d388209c	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A4B02A34-14C8-E99D-ADB9-8EA9B143}\ProdID = 10fab500b03f3de8b08b4098d2918f21021fb44cbe3a12d5	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3AD3DF9A-5B6F-3424-873A-548410C0}	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{662AF199-96BE-A5F2-E0CF-34BBB777}	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C3838D77-1E5A-6CB1-2EFC-37C67706}	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C3838D77-1E5A-6CB1-2EFC-37C67706}\ProdID = 2c66a07028b883672c70be476c6c8f10fcdea4dd382b4e1d	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A4B02A34-14C8-E99D-ADB9-8EA9B143}	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2984	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2328	2984	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe	30
PID 2984 wrote to memory of 2328	2984	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe	30
PID 2984 wrote to memory of 2328	2984	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe	30
PID 2984 wrote to memory of 2328	2984	bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bec42daba42fae73c7afa75869bb06e0_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 636
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2328-3-0x0000000001ED0000-0x00000000024AC000-memory.dmp

Filesize
5.9MB

Download
memory/2328-5-0x0000000002C60000-0x000000000323C000-memory.dmp

Filesize
5.9MB

Download
memory/2328-4-0x0000000001ED0000-0x00000000024AC000-memory.dmp

Filesize
5.9MB

Download
memory/2328-7-0x0000000001ED0000-0x00000000024AC000-memory.dmp

Filesize
5.9MB

Download
memory/2328-8-0x0000000002C60000-0x000000000323C000-memory.dmp

Filesize
5.9MB

Download
memory/2984-0-0x0000000000400000-0x00000000009DC000-memory.dmp

Filesize
5.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads