ab80b9b17c044eeed0605980caeaf6617c48f04d4f11a5f19d9a65256a940e95

Analysis

max time kernel
108s
max time network
145s
platform
windows10_x64
resource
win10v20210410
submitted
03-05-2021 14:02

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General

Target

40HQ_of_CI_PL_SC_HR210503.docx
Size

10KB
MD5

78e85cb8cd9169dfe6fe6ddcf4090a97
SHA1

6ca04ffc772794b12f4b6c724387823c185cce6e
SHA256

ab80b9b17c044eeed0605980caeaf6617c48f04d4f11a5f19d9a65256a940e95
SHA512

d330a14930f4fe9e74a0973e261bd060844b62211fa00f316c4d8233907a7cd845b6782a2cb646c5eb33246cad65d9f41dc42c57d57401f5ec0425e686e3256d

Score

1^/10

Malware Config

Signatures

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\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3976 WINWORD.EXE
3976 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeAuditPrivilege 3976 WINWORD.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

WINWORD.EXE

pid process

3976 WINWORD.EXE
3976 WINWORD.EXE
3976 WINWORD.EXE
3976 WINWORD.EXE
3976 WINWORD.EXE
3976 WINWORD.EXE

pid	process
3976	WINWORD.EXE
3976	WINWORD.EXE

description	pid	process
Token: SeAuditPrivilege	3976	WINWORD.EXE

pid	process
3976	WINWORD.EXE
3976	WINWORD.EXE
3976	WINWORD.EXE
3976	WINWORD.EXE
3976	WINWORD.EXE
3976	WINWORD.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\40HQ_of_CI_PL_SC_HR210503.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3976-114-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3976-115-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3976-116-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3976-117-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3976-119-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3976-118-0x00007FF830DE0000-0x00007FF833903000-memory.dmp

Filesize
43.1MB

Download
memory/3976-122-0x00007FF82BBF0000-0x00007FF82CCDE000-memory.dmp

Filesize
16.9MB

Download
memory/3976-123-0x00007FF8298A0000-0x00007FF82B795000-memory.dmp

Filesize
31.0MB

Download