4dfc17406a58c6f1ce83a73ce6dd5b343d00fe77d07dfe21d28da13631bfad90

Resubmissions

15/03/2021, 09:09

210315-2zntzgdr728

15/03/2021, 08:51

210315-mj6e5pvb668

13/03/2021, 17:09

210313-hrcfblnjbx8

Analysis

max time kernel
61s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
15/03/2021, 08:51

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General

Target
trash.exe
Size 100KB
Sample210315-mj6e5pvb66
SHA256 4dfc17406a58c6f1ce83a73ce6dd5b343d00fe77d07dfe21d28da13631bfad90
MD5 7f5227030be3d2ef48aa652af1ec72b0
SHA1 202e7ac1c2aaca8fbeed4ac454ca195a33c9d064
SHA512 4603b758416dac60cb322aae6f3566711b6a4a9b657f6448861553b45b1c737fd3180d2b0bc169ef193a2372e89aba14a4d27a25e0a5eb440ed6c4afafe5f55c
MD5 SHA1 SHA512

Score

8^/10

ransomware spyware stealer

Malware Config

Signatures

Modifies extensions of user files 15 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File created	C:\Users\Admin\Pictures\FindSuspend.tiff.umwg8j	trash.exe
File opened for modification	C:\Users\Admin\Pictures\PingUpdate.png.umwg8j	trash.exe
File renamed	C:\Users\Admin\Pictures\PingUpdate.png => C:\Users\Admin\Pictures\PingUpdate.png.umwg8j	trash.exe
File opened for modification	C:\Users\Admin\Pictures\RegisterUndo.tif.umwg8j	trash.exe
File renamed	C:\Users\Admin\Pictures\RegisterUndo.tif => C:\Users\Admin\Pictures\RegisterUndo.tif.umwg8j	trash.exe
File opened for modification	C:\Users\Admin\Pictures\ResolveUse.crw.umwg8j	trash.exe
File created	C:\Users\Admin\Pictures\SkipUnblock.tiff.umwg8j	trash.exe
File opened for modification	C:\Users\Admin\Pictures\FindSuspend.tiff.umwg8j	trash.exe
File renamed	C:\Users\Admin\Pictures\FindSuspend.tiff => C:\Users\Admin\Pictures\FindSuspend.tiff.umwg8j	trash.exe
File created	C:\Users\Admin\Pictures\RegisterUndo.tif.umwg8j	trash.exe
File created	C:\Users\Admin\Pictures\ResolveUse.crw.umwg8j	trash.exe
File renamed	C:\Users\Admin\Pictures\ResolveUse.crw => C:\Users\Admin\Pictures\ResolveUse.crw.umwg8j	trash.exe
File created	C:\Users\Admin\Pictures\PingUpdate.png.umwg8j	trash.exe
File opened for modification	C:\Users\Admin\Pictures\SkipUnblock.tiff.umwg8j	trash.exe
File renamed	C:\Users\Admin\Pictures\SkipUnblock.tiff => C:\Users\Admin\Pictures\SkipUnblock.tiff.umwg8j	trash.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.umwg8j	trash.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.umwg8j	trash.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 744 set thread context of 3384	744	trash.exe	74

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
744	trash.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74
PID 744 wrote to memory of 3384	744	trash.exe	74

C:\Users\Admin\AppData\Local\Temp\trash.exe
"C:\Users\Admin\AppData\Local\Temp\trash.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:744
- C:\Users\Admin\AppData\Local\Temp\trash.exe
  C:\Users\Admin\AppData\Local\Temp\trash
  2⤵
  - Modifies extensions of user files
  - Drops startup file
  PID:3384

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3384-4-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/3384-5-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/3384-6-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/3384-9-0x0000000000020000-0x0000000000021000-memory.dmp

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memory/3384-8-0x0000000000413000-0x0000000000414000-memory.dmp

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memory/3384-10-0x0000000000413000-0x0000000000414000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads