b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43

Analysis

max time kernel
152s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 02:23

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General

Target

b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe
Size

1.9MB
MD5

db4a560410574283d43aa6b50bc20670
SHA1

95b30980a6484424b7454b01cdeeb1430c00a483
SHA256

b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43
SHA512

d9c09d15bdee9d940748b6910e0390663c10642b5613cb94dddad682109125215f61b673a129e039e108adc5c5671d172b14379037bf7a8d3842c8911ddf9e86
SSDEEP

49152:f38WeExemzCrz/hGT1vlFq1yoD64cNKMW5dUlga4:f38WKKCET5iyoOTcul0

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 4 IoCs

Processes:

b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe
File opened for modification	C:\Windows\system32\drivers\etc	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe
File created	C:\Windows\system32\drivers\etc\hosts	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe
File created	C:\Windows\system32\drivers\WZic8k6y.sys	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

pid	process
1532	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe
1532	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

664
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

description pid process

Token: SeDebugPrivilege 1532 b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

pid	process
664

description	pid	process
Token: SeDebugPrivilege	1532	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

pid	process
1532	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe
1532	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe

description	pid	process	target process
PID 1532 wrote to memory of 2564	1532	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe	cmd.exe
PID 1532 wrote to memory of 2564	1532	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe	cmd.exe
PID 1532 wrote to memory of 2564	1532	b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe
"C:\Users\Admin\AppData\Local\Temp\b25ede1edf76baeb49118b6c48b9428cbdf7d6652e5461dfa7a8d2b2caab2b43.exe"
1⤵
- Drops file in Drivers directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd /c rd "C:\Windows\system32\drivers\etcVCbRg" /S /Q
2⤵
PID:2564

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1532-132-0x0000000000400000-0x00000000006C6000-memory.dmp

Filesize
2.8MB

Download
memory/1532-134-0x0000000000400000-0x00000000006C6000-memory.dmp

Filesize
2.8MB

Download
memory/2564-133-0x0000000000000000-mapping.dmp

Download