eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44a

General

Target

eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe
Size

70KB
MD5

bb26dcfa71036545d79066d486b79620
SHA1

56910081279f8741df2aa00f6925185ea034eafe
SHA256

eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44a
SHA512

6a4350c0e2fa8187104b8ba98f8ec68e8fb4245fbc093e4f816710d673df89941a181ebc34ecfe43a93a9283b75b204f0c030d24d1434285226199cf2a719981
SSDEEP

1536:Or3Z5IfQmv81a7pP1F3yXFdtnSjdEEEE8E:SJOfQm01q9F3yXFd1SjdEEEEP

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
4928	attrib.exe

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe

Executes dropped EXE 1 IoCs

pid	Process
5072	vgkhost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\vgkhost.exe	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe
File opened for modification	C:\Windows\Debug\vgkhost.exe	attrib.exe
File created	C:\Windows\Debug\vgkhost.exe	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vgkhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vgkhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	vgkhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2112	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 4928	2112	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe	84
PID 2112 wrote to memory of 4928	2112	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe	84
PID 2112 wrote to memory of 4928	2112	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe	84
PID 2112 wrote to memory of 4316	2112	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe	87
PID 2112 wrote to memory of 4316	2112	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe	87
PID 2112 wrote to memory of 4316	2112	eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe	87

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4928	attrib.exe

C:\Users\Admin\AppData\Local\Temp\eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe
"C:\Users\Admin\AppData\Local\Temp\eac13b46a2de019346f83dbd97770d744e4e1aa4ce188890e2705b8028abf44aN.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\vgkhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:4928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EAC13B~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4316

C:\Windows\Debug\vgkhost.exe
C:\Windows\Debug\vgkhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:5072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

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\debug\vgkhost.exe

Filesize
70KB

MD5
68fd75cd50761205df02835afa038b7c

SHA1
819d3ddd9e27504d63df4f2eca96102c5f68a776

SHA256
0b20e22247103ef5e419a531ff1ef6c23ae8a8acf2f6593f8bcf6625b49f1d0d

SHA512
dea0991421f3fc8afa2bd89c4a9fee6928a57a692cc44eb06a9430ed7296fc04b4ef64454d144ca386198c70af0885745fab1257d87c2d57b60b624e3187f584

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads