26903fb6387161be921360f3803668c1d86a277dee246323bf1e11ed972641b4

General

Target

direct 05.21.doc
Size

79KB
MD5

dbedb87ba150b3ceae4ac1036fe3c9bd
SHA1

711ebf4c3910d2d91a5a13024aec23a47bde7d97
SHA256

26903fb6387161be921360f3803668c1d86a277dee246323bf1e11ed972641b4
SHA512

e042d7b3e4249273afac112a0a8d5d9c43d648ab821e9b0031cb15e4487ed92e118c855fd5dba1e45ba9029012ea2d6789f4bb869b3f0b862ca55434c4526574

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	2868	1852	explorer.exe	WINWORD.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 3376 created 3700 3376 WerFault.exe mshta.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1272 3700 WerFault.exe mshta.exe
3376 3700 WerFault.exe mshta.exe

description	pid	process	target process
PID 3376 created 3700	3376	WerFault.exe	mshta.exe

pid	pid_target	process	target process
1272	3700	WerFault.exe	mshta.exe
3376	3700	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 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-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1852 WINWORD.EXE
1852 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
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1272 WerFault.exe
Token: SeBackupPrivilege 1272 WerFault.exe
Token: SeDebugPrivilege 1272 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1272	WerFault.exe
Token: SeBackupPrivilege	1272	WerFault.exe
Token: SeDebugPrivilege	1272	WerFault.exe

Suspicious use of SetWindowsHookEx 19 IoCs

Processes:

WINWORD.EXE

pid	process
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE
1852	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEexplorer.exe

description	pid	process	target process
PID 1852 wrote to memory of 2868	1852	WINWORD.EXE	explorer.exe
PID 1852 wrote to memory of 2868	1852	WINWORD.EXE	explorer.exe
PID 4020 wrote to memory of 3700	4020	explorer.exe	mshta.exe
PID 4020 wrote to memory of 3700	4020	explorer.exe	mshta.exe
PID 4020 wrote to memory of 3700	4020	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\direct 05.21.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:1852

C:\Windows\explorer.exe
explorer c:\users\public\countViewSelect.hta
2⤵
- Process spawned unexpected child process
PID:2868

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4020

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Public\countViewSelect.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
PID:3700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 1332
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 1648
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
PID:3376

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\countViewSelect.hta
MD5
a1f07f22e32902cf1c2493e3886e4ee6

SHA1
af0d2e3e25b4c406b6f43585a66b2b2e7a4d527c

SHA256
1b61d75451a001135e801d87d846f97819c3bb43419d95bacbe5c5593632ffc2

SHA512
afe32dc8f0477df39a0f0327eba321a3a37cc114bb8c4e4a4e689038c2cec438a819b29f33c415acf2166197e70ff43363bf11f17be09dd5c711b3dac4df62d7

Download Submit
memory/1852-114-0x00007FF9A14A0000-0x00007FF9A14B0000-memory.dmp

Filesize
64KB

Download
memory/1852-115-0x00007FF9A14A0000-0x00007FF9A14B0000-memory.dmp

Filesize
64KB

Download
memory/1852-116-0x00007FF9A14A0000-0x00007FF9A14B0000-memory.dmp

Filesize
64KB

Download
memory/1852-117-0x00007FF9A14A0000-0x00007FF9A14B0000-memory.dmp

Filesize
64KB

Download
memory/1852-119-0x00007FF9A14A0000-0x00007FF9A14B0000-memory.dmp

Filesize
64KB

Download
memory/1852-118-0x00007FF9C33B0000-0x00007FF9C5ED3000-memory.dmp

Filesize
43.1MB

Download
memory/1852-122-0x00007FF9BBF20000-0x00007FF9BD00E000-memory.dmp

Filesize
16.9MB

Download
memory/1852-123-0x00007FF9BA020000-0x00007FF9BBF15000-memory.dmp

Filesize
31.0MB

Download
memory/1852-179-0x000002BCB68A0000-0x000002BCB68A4000-memory.dmp

Filesize
16KB

Download
memory/2868-180-0x0000000000000000-mapping.dmp

Download
memory/3700-182-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads