ccc7f7f06d6151aac48f2e5eb6162f58c49084c4d46c28d48222ebadff5b6e2d

General

Target

files.05.21.doc
Size

79KB
MD5

1c61ab6f2bdf43b93bb5233f6ca6c5e4
SHA1

8fc13c1610d5a040682cdd1d22e85f6ce2fda3d4
SHA256

ccc7f7f06d6151aac48f2e5eb6162f58c49084c4d46c28d48222ebadff5b6e2d
SHA512

67ca04cc899d14c9316147c3f4f7eff57f96a0420fca47ad78e233807832f750d3d5462c325f95b63a43ada15b308bc412cb0c0448fb725b7e30e1c8cee19885

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	2400	4056	explorer.exe	WINWORD.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 188 created 4004 188 WerFault.exe mshta.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3204 4004 WerFault.exe mshta.exe
188 4004 WerFault.exe mshta.exe

description	pid	process	target process
PID 188 created 4004	188	WerFault.exe	mshta.exe

pid	pid_target	process	target process
3204	4004	WerFault.exe	mshta.exe
188	4004	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

4056 WINWORD.EXE
4056 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 30 IoCs

Processes:

WerFault.exeWerFault.exe

pid	process
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe
188	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

WerFault.exeWerFault.exe

description	pid	process
Token: SeRestorePrivilege	3204	WerFault.exe
Token: SeBackupPrivilege	3204	WerFault.exe
Token: SeDebugPrivilege	3204	WerFault.exe
Token: SeDebugPrivilege	188	WerFault.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

WINWORD.EXE

pid	process
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE
4056	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEexplorer.exe

description	pid	process	target process
PID 4056 wrote to memory of 2400	4056	WINWORD.EXE	explorer.exe
PID 4056 wrote to memory of 2400	4056	WINWORD.EXE	explorer.exe
PID 2716 wrote to memory of 4004	2716	explorer.exe	mshta.exe
PID 2716 wrote to memory of 4004	2716	explorer.exe	mshta.exe
PID 2716 wrote to memory of 4004	2716	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\files.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:4056

C:\Windows\explorer.exe
explorer c:\users\public\captionProcedureQuery.hta
2⤵
- Process spawned unexpected child process
PID:2400

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2716

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:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 1332
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 788
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:188

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\captionProcedureQuery.hta
MD5
71ed29a70f05e45519b3a2bbf68e3f9d

SHA1
3d29872afa6ee8282cf3843b96b1c29b4d7ed8c2

SHA256
82527e0e6eee06cd0ed2a34f63cb13ee2a6c3dd294cee2dcffdb527c23fa7164

SHA512
7e0e458275401fbb63f9bcbd114941ed191f2887559eedfdc99beb22f4244df9c14221b68d830168af4da20dd54432764dbec1e374cb7392f07712f4d6ed7953

Download Submit
memory/2400-180-0x0000000000000000-mapping.dmp

Download
memory/4004-182-0x0000000000000000-mapping.dmp

Download
memory/4056-117-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/4056-119-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/4056-118-0x00007FF846C00000-0x00007FF849723000-memory.dmp

Filesize
43.1MB

Download
memory/4056-122-0x00007FF8413C0000-0x00007FF8424AE000-memory.dmp

Filesize
16.9MB

Download
memory/4056-123-0x00007FF83F4C0000-0x00007FF8413B5000-memory.dmp

Filesize
31.0MB

Download
memory/4056-136-0x00007FF821D50000-0x00007FF821D60000-memory.dmp

Filesize
64KB

Download
memory/4056-114-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/4056-116-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/4056-115-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/4056-183-0x0000021BA6A10000-0x0000021BA6A14000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads