112029867a30d8d31f7aff8efcee543e63032f3725188a339123a2ab9ada0d70

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 15:40

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General

Target
112029867a30d8d31f7aff8efcee543e63032f3725188a339123a2ab9ada0d70.dll
Size 24KB
Sample221003-s36s3adbe3
SHA256 112029867a30d8d31f7aff8efcee543e63032f3725188a339123a2ab9ada0d70
MD5 613e16880890f334d006169d6924869f
SHA1 7252a4b7f5a2856ce3488dae7a6d482bafbd3849
SHA512 c1ec6cab7ebbb3cd52eee113f218f89d8eee0f4042f24a9c9dc2805ee8a67a17c6177df4606806bcdb4cac258b941e6019c9ce18e40e16318c8fec1e990bb3f8
SSDEEP 384:PmNwhCnHqdMZwJ1yOeA7qwzQ0XZuMaydpbJMkGGC8MC8:OycHqdMGw7ZZUKybbJMp/8N8
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\tapi.nfo	rundll32.exe
File created	C:\Windows\SysWOW64\tapi.nfo	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	3552	WerFault.exe	93

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3516	WINWORD.EXE
3516	WINWORD.EXE

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4988	rundll32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE
3516	WINWORD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 4988	1228	rundll32.exe	81
PID 1228 wrote to memory of 4988	1228	rundll32.exe	81
PID 1228 wrote to memory of 4988	1228	rundll32.exe	81
PID 4988 wrote to memory of 3552	4988	rundll32.exe	93
PID 4988 wrote to memory of 3552	4988	rundll32.exe	93
PID 4988 wrote to memory of 3552	4988	rundll32.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\112029867a30d8d31f7aff8efcee543e63032f3725188a339123a2ab9ada0d70.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\112029867a30d8d31f7aff8efcee543e63032f3725188a339123a2ab9ada0d70.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:3552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 192
      4⤵
      Program crash
      PID:2552

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:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3552 -ip 3552
1⤵
PID:616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3516-138-0x00007FFB3E250000-0x00007FFB3E260000-memory.dmp

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memory/3516-133-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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memory/3516-134-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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memory/3516-135-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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memory/3516-136-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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memory/3516-137-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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memory/3516-139-0x00007FFB3E250000-0x00007FFB3E260000-memory.dmp

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memory/3516-141-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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memory/3516-142-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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memory/3516-143-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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memory/3516-144-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads