8cdd2fe5990836816361ce46cce780a56b70456ae2b4c6595fcb6cc2601c754a

Analysis

max time kernel
359s
max time network
363s
platform
windows7_x64
resource
win7-en-20211208
submitted
20-12-2021 14:41

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General

Target

WannaBitcoin.exe
Size

12.3MB
MD5

114edffe6d90393ac464866ddf138f90
SHA1

97ebbf910fd31a626126311453f8ee87171eb92d
SHA256

8cdd2fe5990836816361ce46cce780a56b70456ae2b4c6595fcb6cc2601c754a
SHA512

1197d4e60bfc67d2b2cb13b424394bb8e6d5086514fc9c8965171a5b544b714405dd861bac058cac9c532e6d18b23344c41111dbb9db353a822910cfb40b155c

Score

8^/10

ransomware

Malware Config

Signatures

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

WannaBitcoin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\RepairUnprotect.tiff	WannaBitcoin.exe
File created	C:\Users\Admin\Pictures\RevokeReceive.crw.wannabitcoin	WannaBitcoin.exe
File created	C:\Users\Admin\Pictures\SearchWait.crw.wannabitcoin	WannaBitcoin.exe
File created	C:\Users\Admin\Pictures\StepRegister.crw.wannabitcoin	WannaBitcoin.exe
File created	C:\Users\Admin\Pictures\SwitchPush.crw.wannabitcoin	WannaBitcoin.exe
File created	C:\Users\Admin\Pictures\GetSet.png.wannabitcoin	WannaBitcoin.exe
File created	C:\Users\Admin\Pictures\PushSuspend.raw.wannabitcoin	WannaBitcoin.exe
File created	C:\Users\Admin\Pictures\RepairUnprotect.tiff.wannabitcoin	WannaBitcoin.exe

Drops desktop.ini file(s) 5 IoCs

Processes:

WannaBitcoin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	WannaBitcoin.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	WannaBitcoin.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	WannaBitcoin.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	WannaBitcoin.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	WannaBitcoin.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

WannaBitcoin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\wallpaper.bmp"	WannaBitcoin.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WannaBitcoin.exe

description pid process

Token: SeDebugPrivilege 1724 WannaBitcoin.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WannaBitcoin.exe

pid process

1724 WannaBitcoin.exe
1724 WannaBitcoin.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

WannaBitcoin.exe

pid process

1724 WannaBitcoin.exe
1724 WannaBitcoin.exe

description	pid	process
Token: SeDebugPrivilege	1724	WannaBitcoin.exe

pid	process
1724	WannaBitcoin.exe
1724	WannaBitcoin.exe

pid	process
1724	WannaBitcoin.exe
1724	WannaBitcoin.exe

C:\Users\Admin\AppData\Local\Temp\WannaBitcoin.exe
"C:\Users\Admin\AppData\Local\Temp\WannaBitcoin.exe"
1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1724

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

T1491

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Downloads

memory/1724-55-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/1724-57-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/1724-58-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/1724-59-0x0000000005845000-0x0000000005856000-memory.dmp

Filesize
68KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads