397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f

Analysis

max time kernel
162s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 12:09

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General

Target

397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe
Size

1.6MB
MD5

801084bdef6635d49b4b0fd76ad749a6
SHA1

ef101304dd394cf79bca57af3d0e7cfa1ec16635
SHA256

397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f
SHA512

1ec119952c3f936d99a6649616cee288f441c323c7f28661551f9b046f573fdafe5f8bd9e8eeac39eb785cdb8acfe6504cb74a5011fe4fbb85e8c252a6ae7d40
SSDEEP

24576:qm/VzuOCAl0s/yO3WLUW+wsDaQw6DDz3qRyPnmGfrnvVUKueY8RmneWtJq0JA+L:qm/oOC1scLUasY6DwOBfrnvV7UeWtXlL

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1716	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe
File created	C:\Windows\assembly\Desktop.ini	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1716	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe
1716	397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe

C:\Users\Admin\AppData\Local\Temp\397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe
"C:\Users\Admin\AppData\Local\Temp\397cef256486ade904c0c557255b64fb1910a38860d6228a86fcf9ba0b84740f.exe"
1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\kbdnfeyv.vhc\7z.dll

Filesize
893KB

MD5
04ad4b80880b32c94be8d0886482c774

SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

Download Submit
memory/1716-132-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/1716-134-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download