cc70447b7be5068a55ad34baa92ebd524a00e0a4a210b69fa16d4bf84f48e239

General

Target

certificate.06.21.doc
Size

50KB
MD5

778c7f21764d2fc338a5abfa2becfb35
SHA1

39dfa04561018e6dc4590bb6530ca2b2d5351183
SHA256

cc70447b7be5068a55ad34baa92ebd524a00e0a4a210b69fa16d4bf84f48e239
SHA512

2f3c868240b63c3e179006c9919e91f1330fc9e6bfc06e65d2484e2e10418d3dd3094c903747cfe5e2035b31850059c5bb046f8791554341fe29756b68fa8d6a

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	2088	3176	explorer.exe	WINWORD.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2988 created 2428 2988 WerFault.exe mshta.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2472 2428 WerFault.exe mshta.exe
2988 2428 WerFault.exe mshta.exe

description	pid	process	target process
PID 2988 created 2428	2988	WerFault.exe	mshta.exe

pid	pid_target	process	target process
2472	2428	WerFault.exe	mshta.exe
2988	2428	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 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

Processes:

WINWORD.EXE

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

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3176 WINWORD.EXE
3176 WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe
2472	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2472 WerFault.exe
Token: SeBackupPrivilege 2472 WerFault.exe
Token: SeDebugPrivilege 2472 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2472	WerFault.exe
Token: SeBackupPrivilege	2472	WerFault.exe
Token: SeDebugPrivilege	2472	WerFault.exe

Suspicious use of SetWindowsHookEx 24 IoCs

Processes:

WINWORD.EXE

pid	process
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE
3176	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEexplorer.exe

description	pid	process	target process
PID 3176 wrote to memory of 2088	3176	WINWORD.EXE	explorer.exe
PID 3176 wrote to memory of 2088	3176	WINWORD.EXE	explorer.exe
PID 1256 wrote to memory of 2428	1256	explorer.exe	mshta.exe
PID 1256 wrote to memory of 2428	1256	explorer.exe	mshta.exe
PID 1256 wrote to memory of 2428	1256	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\certificate.06.21.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:3176

C:\Windows\explorer.exe
explorer c:\programdata\vbaQueryCount.hta
2⤵
- Process spawned unexpected child process
PID:2088

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\vbaQueryCount.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 1360
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 1632
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
PID:2988

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:\ProgramData\vbaQueryCount.hta
MD5
8333d57a044a01797f6e120b4c1b1dc2

SHA1
e726e247c84dda75df1963d5899c22093291062c

SHA256
dddcc267ce697c5ec06aacdaf884d2eced853e987aef4767472d491db9903258

SHA512
af1223a529ff5bea9c4ff18068aa83cb55e0b6fea2076672cbd8e6c633ebe76e3fd75b1275710eaf36e3991916645b3b4b3f5877f88dae339ec1a60923b26393

Download Submit
memory/2088-179-0x0000000000000000-mapping.dmp

Download
memory/2428-181-0x0000000000000000-mapping.dmp

Download
memory/3176-114-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/3176-115-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/3176-116-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/3176-117-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/3176-119-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/3176-118-0x00007FF821D40000-0x00007FF824863000-memory.dmp

Filesize
43.1MB

Download
memory/3176-122-0x00007FF81C2B0000-0x00007FF81D39E000-memory.dmp

Filesize
16.9MB

Download
memory/3176-123-0x00007FF81A3B0000-0x00007FF81C2A5000-memory.dmp

Filesize
31.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads