bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed

Analysis

max time kernel
141s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 16:39

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General

Target

bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.exe
Size

200KB
MD5

6e931234f3382da0555afe40b7560d9e
SHA1

d2d53954b58b58de7c889ecd73fbd02a7eaa0c15
SHA256

bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed
SHA512

3c242fc533ea49ee3126afe5d7be1f21502e3450c7cea845ad5128244d037f26ac6e0e4aa110cb8b2b964e108d47eb1a412e1605aa3d566ef33558cffb4ebf70
SSDEEP

384:ATpbgl86+yyA2UVYrpZAB/5e3u4uJV7aGNjRjaUEUxto3W4oE+uAVB/5dYrpZgUZ:AmxhV6ehA3UB3n3fo7J+RVhj6jCxoxz

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\hidefileext = "1"	bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\windows\Dos.txt	bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.exe
File opened for modification	C:\windows\Dos.txt	bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2196	bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 3408	2196	bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.exe	86
PID 2196 wrote to memory of 3408	2196	bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.exe	86

C:\Users\Admin\AppData\Local\Temp\bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.exe
"C:\Users\Admin\AppData\Local\Temp\bbbd44635a50d7ea0ce18558786ba7458b1e8742224b836e4e10f024ce713fed.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2196
- C:\windows\explorer.exe
  C:\windows\explorer.exe
  2⤵
  - Modifies registry class
  PID:3408

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2196-132-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

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memory/2196-136-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads