f69cef31cd670e8cabc1d1ebf38547f91b5ba5c155dc03b82de5ef1b9adc7a10

General

Target

input 05.07.2021.doc
Size

79KB
MD5

3951dd7af5f15dcaf0544089adb9c260
SHA1

f02a3bb9c1c9cb99b6d9995e981dc37adda8d7a2
SHA256

f69cef31cd670e8cabc1d1ebf38547f91b5ba5c155dc03b82de5ef1b9adc7a10
SHA512

68c27dc4496118a8d776c3591abf5d89b97ed915e1af6648fce879b68a06552fce559314f905e616b52495af110ce7459011e1ee22ff3368dac1346b43e530a1

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

explorer.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1420	912	explorer.exe	WINWORD.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2244 1956 WerFault.exe mshta.exe

pid	pid_target	process	target process
2244	1956	WerFault.exe	mshta.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

Processes:

WINWORD.EXE

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

912 WINWORD.EXE
912 WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2244 WerFault.exe
Token: SeBackupPrivilege 2244 WerFault.exe
Token: SeDebugPrivilege 2244 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2244	WerFault.exe
Token: SeBackupPrivilege	2244	WerFault.exe
Token: SeDebugPrivilege	2244	WerFault.exe

Suspicious use of SetWindowsHookEx 18 IoCs

Processes:

WINWORD.EXE

pid	process
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE
912	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEexplorer.exe

description	pid	process	target process
PID 912 wrote to memory of 1420	912	WINWORD.EXE	explorer.exe
PID 912 wrote to memory of 1420	912	WINWORD.EXE	explorer.exe
PID 3048 wrote to memory of 1956	3048	explorer.exe	mshta.exe
PID 3048 wrote to memory of 1956	3048	explorer.exe	mshta.exe
PID 3048 wrote to memory of 1956	3048	explorer.exe	mshta.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\input 05.07.2021.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\explorer.exe
explorer c:\users\public\captionProcedureQuery.hta
2⤵
- Process spawned unexpected child process
PID:1420

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3048

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Public\captionProcedureQuery.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
PID:1956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1320
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2244

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\captionProcedureQuery.hta
MD5
71ed29a70f05e45519b3a2bbf68e3f9d

SHA1
3d29872afa6ee8282cf3843b96b1c29b4d7ed8c2

SHA256
82527e0e6eee06cd0ed2a34f63cb13ee2a6c3dd294cee2dcffdb527c23fa7164

SHA512
7e0e458275401fbb63f9bcbd114941ed191f2887559eedfdc99beb22f4244df9c14221b68d830168af4da20dd54432764dbec1e374cb7392f07712f4d6ed7953

Download Submit
memory/912-114-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/912-115-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/912-116-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/912-117-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/912-118-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/912-119-0x00007FF90C930000-0x00007FF90F453000-memory.dmp

Filesize
43.1MB

Download
memory/912-122-0x0000022DA1500000-0x0000022DA25EE000-memory.dmp

Filesize
16.9MB

Download
memory/912-123-0x00007FF9066E0000-0x00007FF9085D5000-memory.dmp

Filesize
31.0MB

Download
memory/912-180-0x0000022DB0530000-0x0000022DB0534000-memory.dmp

Filesize
16KB

Download
memory/1420-179-0x0000000000000000-mapping.dmp

Download
memory/1956-182-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads