7f2fa5e8de6a3d91a78c091f921a258aefe7c0737198c8d13c7663c453d4dbf1

Analysis

max time kernel
139s
max time network
149s
platform
windows10_x64
resource
win10v200430
submitted
11-07-2020 07:15

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General

Target

commercio,07.20.doc
Size

147KB
MD5

51d3dbc377be322144ebcbd5d4807f0e
SHA1

6faf0b17ba708e8c29bbbc1b52798456ac58d170
SHA256

7f2fa5e8de6a3d91a78c091f921a258aefe7c0737198c8d13c7663c453d4dbf1
SHA512

ca9395be04da38294baf29dc60ccbcd57ec84d164cd2c102e6c3ffd4f291f89f3586f2591a83f1165e971e1efaa313205bc1d2a179cb79b6c98203722ead7566

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

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
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE
1624	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

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.

Processes:

regsvr32.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	3428	1624	regsvr32.exe	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1624 wrote to memory of 3428	1624	WINWORD.EXE	regsvr32.exe
PID 1624 wrote to memory of 3428	1624	WINWORD.EXE	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\commercio,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:1624

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" w8.tmp
2⤵
- Process spawned unexpected child process
PID:3428

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

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Downloads

memory/3428-3-0x0000000000000000-mapping.dmp

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