4dfc17406a58c6f1ce83a73ce6dd5b343d00fe77d07dfe21d28da13631bfad90

General

Target

trash.exe
Size

100KB
MD5

7f5227030be3d2ef48aa652af1ec72b0
SHA1

202e7ac1c2aaca8fbeed4ac454ca195a33c9d064
SHA256

4dfc17406a58c6f1ce83a73ce6dd5b343d00fe77d07dfe21d28da13631bfad90
SHA512

4603b758416dac60cb322aae6f3566711b6a4a9b657f6448861553b45b1c737fd3180d2b0bc169ef193a2372e89aba14a4d27a25e0a5eb440ed6c4afafe5f55c

Score

8^/10

ransomware spyware stealer

Malware Config

Signatures

Modifies extensions of user files 30 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\EnterSelect.png.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\NewCompress.raw => C:\Users\Admin\Pictures\NewCompress.raw.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\SetEnter.png.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\CompareMeasure.tif.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\DenyComplete.tiff.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\NewCompress.raw.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\SetEnter.png.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\DenyComplete.tiff.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\UnblockExit.png.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\FindMount.raw.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\FindMount.raw.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\UnblockExit.png.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\UnblockExit.png => C:\Users\Admin\Pictures\UnblockExit.png.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\CompareMeasure.tif => C:\Users\Admin\Pictures\CompareMeasure.tif.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\EnterSelect.png => C:\Users\Admin\Pictures\EnterSelect.png.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\NewCompress.raw.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\RevokeLimit.raw.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\RevokeLimit.raw => C:\Users\Admin\Pictures\RevokeLimit.raw.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\UnlockImport.tiff.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockImport.tiff.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\UnlockImport.tiff => C:\Users\Admin\Pictures\UnlockImport.tiff.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\CompareMeasure.tif.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\Pictures\FormatEdit.raw.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\DenyComplete.tiff => C:\Users\Admin\Pictures\DenyComplete.tiff.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\EnterSelect.png.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\SetEnter.png => C:\Users\Admin\Pictures\SetEnter.png.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\FindMount.raw => C:\Users\Admin\Pictures\FindMount.raw.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\FormatEdit.raw.rb8tco	trash.exe
File renamed	C:\Users\Admin\Pictures\FormatEdit.raw => C:\Users\Admin\Pictures\FormatEdit.raw.rb8tco	trash.exe
File created	C:\Users\Admin\Pictures\RevokeLimit.raw.rb8tco	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.rb8tco	trash.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.rb8tco	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 1084 set thread context of 1984	1084	trash.exe	26

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1084	trash.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26
PID 1084 wrote to memory of 1984	1084	trash.exe	26

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:1084
- 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:1984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1084-10-0x0000000002620000-0x0000000002624000-memory.dmp

Filesize
16KB

Download
memory/1084-9-0x0000000002390000-0x0000000002394000-memory.dmp

Filesize
16KB

Download
memory/1984-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1984-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1984-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1984-8-0x00000000767C1000-0x00000000767C3000-memory.dmp

Filesize
8KB

Download
memory/1984-12-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1984-11-0x0000000000413000-0x0000000000414000-memory.dmp

Filesize
4KB

Download
memory/1984-13-0x0000000000413000-0x0000000000414000-memory.dmp

Filesize
4KB

Download

Resubmissions

Analysis

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