2339fed4b750289c8d96ab383cf5e2518d869cac5c6f0137727698cd6ef1d516

Resubmissions

24-11-2022 06:51

221124-hmxkcaab5t 8

Analysis

max time kernel
152s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 06:51

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General

Target

2339fed4b750289c8d96ab383cf5e2518d869cac5c6f0137727698cd6ef1d516.xls
Size

2.9MB
MD5

fac06f63a30fcef45c3e7763442ed2ac
SHA1

c968479775090d6e6a0e8c4f64f4abedd30d1031
SHA256

2339fed4b750289c8d96ab383cf5e2518d869cac5c6f0137727698cd6ef1d516
SHA512

cdc47aad19c03254aadc67df1486622029d2f7bae1b5ad717b966bdac193668b82edaf8bb09acc05b37d4299455ba90dc17f9ea937e139e701b4b5f0cea1a442
SSDEEP

49152:U9pINpEYW5CFdwR3t1bqIMFDBj2XGjP/q+QxMO8w4Cfu2gwkOl0AyA:UzPIdwRPXy28/q+QxMOj3u2pkA0AX

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3352 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3352 EXCEL.EXE
3352 EXCEL.EXE
3352 EXCEL.EXE
3352 EXCEL.EXE
3352 EXCEL.EXE
3352 EXCEL.EXE
3352 EXCEL.EXE
3352 EXCEL.EXE
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 3952 wrote to memory of 996 3952 cmd.exe cscript.exe
PID 3952 wrote to memory of 996 3952 cmd.exe cscript.exe

pid	process
3352	EXCEL.EXE

pid	process
3352	EXCEL.EXE
3352	EXCEL.EXE
3352	EXCEL.EXE
3352	EXCEL.EXE
3352	EXCEL.EXE
3352	EXCEL.EXE
3352	EXCEL.EXE
3352	EXCEL.EXE

description	pid	process	target process
PID 3952 wrote to memory of 996	3952	cmd.exe	cscript.exe
PID 3952 wrote to memory of 996	3952	cmd.exe	cscript.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2339fed4b750289c8d96ab383cf5e2518d869cac5c6f0137727698cd6ef1d516.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3352

C:\Windows\SYSTEM32\cmd.exe
C:\Windows\SYSTEM32\cmd.exe /c "C:\Users\Public\Pictures\pbs.bat"
1⤵
PID:4016

C:\Windows\SYSTEM32\cmd.exe
C:\Windows\SYSTEM32\cmd.exe /c "C:\Users\Public\Music\pbs.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\system32\cscript.exe
cscript //nologo "C:\Users\Admin\AppData\Local\Temp\_.vbs"
2⤵
PID:996

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

C:\Users\Admin\AppData\Local\Temp\_.vbs
Filesize
394B

MD5
60b24b37aa7903b56417dd58bbebe79d

SHA1
f9903905822f5137daaf9b4c4e4ee77c7fa30d0c

SHA256
1eed3b5fb6950cfa605fd9e9842327b1fe1d123cb8a34d84bc1b778501288e4f

SHA512
8c350e94eeae83044a3ff38c0e5602c6869f968e8f46815d96ad22b53b13b5e12a2a0e5de163f537d7d13f67f2c5897f0fb71c0c1c4b89ab313d5ad246cf7c4f

Download Submit
C:\Users\Public\Music\comd.zip
Filesize
6KB

MD5
bc70155ae15384745ed54c75e64a742c

SHA1
fd395c0a97a2d9bbf2b81e340bde3d9ec343b1da

SHA256
bccd012a10654274fc9e8fe29ba1326c97ccbea4c5567799edc1444d94ad265d

SHA512
3c554df9dd621d4b0252bd257532fe1850683618d0e41cd3ca495c21cc6315905b20a548d328782c2f36065b6591a7458c447af478345217ef79b97979167f69

Download Submit
C:\Users\Public\Music\pbs.bat
Filesize
806B

MD5
09c4c9515e23983c547900f8485b42aa

SHA1
1554e3394cde60e8098698d07b1adf4855c93f11

SHA256
d04eb5c19554dc86d2b717bf09b2f3eac545923165426df6630ad4b3e9788f73

SHA512
9b101eba85a4eb73b669b7fb6d8ff61d9ea9587df82257889f4dcd60556b2b01534a56eaa48e1a51eb82584419deebba2e036101100d5d41d8d352e76233a644

Download Submit
memory/996-140-0x0000000000000000-mapping.dmp

Download
memory/3352-132-0x00007FFBACEB0000-0x00007FFBACEC0000-memory.dmp

Filesize
64KB

Download
memory/3352-133-0x00007FFBACEB0000-0x00007FFBACEC0000-memory.dmp

Filesize
64KB

Download
memory/3352-134-0x00007FFBACEB0000-0x00007FFBACEC0000-memory.dmp

Filesize
64KB

Download
memory/3352-135-0x00007FFBACEB0000-0x00007FFBACEC0000-memory.dmp

Filesize
64KB

Download
memory/3352-136-0x00007FFBACEB0000-0x00007FFBACEC0000-memory.dmp

Filesize
64KB

Download
memory/3352-137-0x00007FFBAA790000-0x00007FFBAA7A0000-memory.dmp

Filesize
64KB

Download
memory/3352-138-0x00007FFBAA790000-0x00007FFBAA7A0000-memory.dmp

Filesize
64KB

Download