b2303e5ce1a67a85d66031163421fdb221a021fda89d21a1dba1b448acfae8eb

General

Target

commerce .07.20.doc
Size

113KB
MD5

0a06de4d1e1a09df9ef0936abaa91155
SHA1

3fbd6f8b88606a56c038afd8aae4f83b3230b960
SHA256

b2303e5ce1a67a85d66031163421fdb221a021fda89d21a1dba1b448acfae8eb
SHA512

2400fa4ad0cb5f4b291a15f19ed6b53ba9d53044bf6efdef17e46b5e0830386922f6483b9ee13d340ca38faed3d87229d1a3212ce36f6337f4c1e1d4dd1fefb0

Score

10^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1712	regsvr32.exe
1712	regsvr32.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

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 19 IoCs

pid	Process
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE
3840	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3840	WINWORD.EXE
3840	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	3892	3840	regsvr32.exe	66

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3840 wrote to memory of 3892	3840	WINWORD.EXE	71
PID 3840 wrote to memory of 3892	3840	WINWORD.EXE	71
PID 3892 wrote to memory of 1712	3892	regsvr32.exe	72
PID 3892 wrote to memory of 1712	3892	regsvr32.exe	72
PID 3892 wrote to memory of 1712	3892	regsvr32.exe	72

Loads dropped DLL 1 IoCs

pid	Process
1712	regsvr32.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\commerce .07.20.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:3840
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 E5.tmp
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3892
- - C:\Windows\SysWOW64\regsvr32.exe
    E5.tmp
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Loads dropped DLL
    PID:1712

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

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Downloads

memory/3840-0-0x000001FAAEAA0000-0x000001FAAEAA4000-memory.dmp

Filesize
16KB

Download
memory/3840-6-0x000001FAB0010000-0x000001FAB0021000-memory.dmp

Filesize
68KB

Download
memory/3840-7-0x000001FAB01AE000-0x000001FAB0219000-memory.dmp

Filesize
428KB

Download
memory/3840-8-0x000001FAB01AE000-0x000001FAB0219000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads