54f88a13720f577d84c6e97491f588e7c79b4b6e9df490faef663de2c19cc12c

General

Target

material_06.21.doc
Size

49KB
MD5

90f830f394798beeab08062829ad1103
SHA1

14ae965eadf99d78177ca24544de9f7b1d35a744
SHA256

54f88a13720f577d84c6e97491f588e7c79b4b6e9df490faef663de2c19cc12c
SHA512

4f141b38a11ab279d981ac944ba9fb0e3614cfaabd30dccb8ae0f3859a0c904bf1c5089060311efced85becfb3b88954c33a1712aae3e2b3566432eb49cd4f76

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	1428	3944	explorer.exe	WINWORD.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2320 created 1156 2320 WerFault.exe mshta.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3980 1156 WerFault.exe mshta.exe
2320 1156 WerFault.exe mshta.exe

description	pid	process	target process
PID 2320 created 1156	2320	WerFault.exe	mshta.exe

pid	pid_target	process	target process
3980	1156	WerFault.exe	mshta.exe
2320	1156	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 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

3944 WINWORD.EXE
3944 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
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe
3980	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3980 WerFault.exe
Token: SeBackupPrivilege 3980 WerFault.exe
Token: SeDebugPrivilege 3980 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3980	WerFault.exe
Token: SeBackupPrivilege	3980	WerFault.exe
Token: SeDebugPrivilege	3980	WerFault.exe

Suspicious use of SetWindowsHookEx 23 IoCs

Processes:

WINWORD.EXE

pid	process
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE
3944	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEexplorer.exe

description	pid	process	target process
PID 3944 wrote to memory of 1428	3944	WINWORD.EXE	explorer.exe
PID 3944 wrote to memory of 1428	3944	WINWORD.EXE	explorer.exe
PID 1512 wrote to memory of 1156	1512	explorer.exe	mshta.exe
PID 1512 wrote to memory of 1156	1512	explorer.exe	mshta.exe
PID 1512 wrote to memory of 1156	1512	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\material_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:3944

C:\Windows\explorer.exe
C:\Windows\explorer.exe c:\programdata\trustPtr.hta
2⤵
- Process spawned unexpected child process
PID:1428

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\trustPtr.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
PID:1156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 1332
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 1632
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
PID:2320

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\trustPtr.hta
MD5
a44ac441f49d4b76a771923067edf8ff

SHA1
342b41342ce8254b308b0ab7708f904913593c0d

SHA256
3b83b1e9090c40d855c8224479da9bbd80d3eb8184b6fc063feb66a27ff9153a

SHA512
8ab60ec33efa83f243ca980e4d882e3a95b86e3a383677c57ac1f4d329f2f1695841d3d24995291435d182b281073f332cdd2daf254349f3ab2c6a24b013d6f9

Download Submit
memory/1156-181-0x0000000000000000-mapping.dmp

Download
memory/1428-179-0x0000000000000000-mapping.dmp

Download
memory/3944-114-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-115-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-116-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-117-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-119-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-118-0x00007FFDC43C0000-0x00007FFDC6EE3000-memory.dmp

Filesize
43.1MB

Download
memory/3944-122-0x00007FFDBDFC0000-0x00007FFDBF0AE000-memory.dmp

Filesize
16.9MB

Download
memory/3944-123-0x00007FFDBC0C0000-0x00007FFDBDFB5000-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