30b50c9a1de2f21ef1eb78f18695bcb0f3989fff880a4872a3be3458d5f73433

General

Target

Keygen.exe
Size

20KB
MD5

bda654eb40ad8f5eb14bf3b931a71270
SHA1

202fa0ac769e7dfde7861584237127d4108ea3c0
SHA256

291550e0bbf532a0cc0c5bfea5e6f24c084372ef52a02be09deac769d5cb7297
SHA512

f603227def1e86bcf7cb4f2b285617836f652646dc06e18cf007fb4a327c5d19ffff132b68b27dab8567bedbfbd546c3993c005c674c5a28157cdb7c79a1b045
SSDEEP

384:WU45yYGoUmCt0SFI0EU8wl35KO/tFdR1FpyqgJn28:Wr8oPCRF58wl35KO/tFdR1KZJn9

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe rundll32.exe hjdt.qto etmbw"	Keygen.exe

Deletes itself 1 IoCs

pid	Process
1388	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2188	Keygen.exe
1388	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\hjdt.qto	Keygen.exe
File opened for modification	C:\Windows\SysWOW64\hjdt.qto	Keygen.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\idid	svchost.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3048	WINWORD.EXE
3048	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2188	Keygen.exe
2188	Keygen.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2188	Keygen.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3048	WINWORD.EXE
3048	WINWORD.EXE
3048	WINWORD.EXE
3048	WINWORD.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1388	2188	Keygen.exe	102
PID 2188 wrote to memory of 1388	2188	Keygen.exe	102
PID 2188 wrote to memory of 1388	2188	Keygen.exe	102

C:\Users\Admin\AppData\Local\Temp\Keygen.exe
"C:\Users\Admin\AppData\Local\Temp\Keygen.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Modifies registry class
  PID:1388

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3D67.tmp

Filesize
21KB

MD5
02940c74780ec9acf42351982efeb65a

SHA1
27546acf0a8e4b00ba2caa4e386c994d0d0e57f6

SHA256
bb93dc2435c167434ed6b5458f2dd5360d498198968dce995d4f4696bf74bc2a

SHA512
ec7b63f5732df051598c6d7c62c16412ce41c5586651a55ca406f0d2e63fe487dbd54cfba125b8510373c5e9952acabe644f86006ba8f42ea42a101dfe2d6061

Download Submit
memory/1388-64-0x0000000010000000-0x000000001000C000-memory.dmp

Filesize
48KB

Download
memory/1388-62-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/2188-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3048-19-0x00007FFAF6DD0000-0x00007FFAF6DE0000-memory.dmp

Filesize
64KB

Download
memory/3048-22-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-9-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-10-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-11-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-12-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-13-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-14-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-15-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-16-0x00007FFAF6DD0000-0x00007FFAF6DE0000-memory.dmp

Filesize
64KB

Download
memory/3048-17-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-18-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-7-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download
memory/3048-20-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-21-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-8-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download
memory/3048-23-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-24-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-25-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-26-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-27-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-51-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download
memory/3048-52-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download
memory/3048-53-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download
memory/3048-54-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download
memory/3048-55-0x00007FFB38DB0000-0x00007FFB38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-6-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download
memory/3048-5-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download
memory/3048-4-0x00007FFAF8E30000-0x00007FFAF8E40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads