outsteel | b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423

General

Target

b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
Size

738KB
MD5

059c5bbec45da7e50d92a54160622d36
SHA1

a97230965dea34f32ac9db418aece125ceb63426
SHA256

b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423
SHA512

815f69af1f09a2de5d1ee323ef77d203985d516413ab482d635e48d012717b2d7bcac84127d0425a4a879a8e25079dff369482940d5a6bf1be0066fe5e08246b
SSDEEP

12288:4ywZ/z12SBEnKMY+7/Cw6nTcRu5sj1LjOJngWoBPrndO1fcWsfdNcG8zUx:4Z/zHsR76w6nTcRu5s1jXBznY101f+zm

Score

10^/10

outsteel spyware stealer

Malware Config

Signatures

OutSteel
OutSteel is a file uploader and document stealer written in AutoIT.
stealer outsteel
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
T1552.001

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe

description	ioc	process
File opened (read-only)	\??\a:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\h:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\i:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\j:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\s:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\g:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\k:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\m:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\p:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\t:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\u:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\w:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\l:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\o:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\q:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\r:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\x:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\z:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\b:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\e:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\n:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\v:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
File opened (read-only)	\??\y:	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe

AutoIT Executable 10 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/4012-2-0x0000000002120000-0x00000000021FD000-memory.dmp	autoit_exe
behavioral2/memory/4012-3-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral2/memory/4012-4-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral2/memory/4012-7-0x0000000002120000-0x00000000021FD000-memory.dmp	autoit_exe
behavioral2/memory/4012-8-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral2/memory/4012-10-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral2/memory/4012-12-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral2/memory/4012-14-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral2/memory/4012-17-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral2/memory/4012-19-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe

description	pid	process	target process
PID 4012 wrote to memory of 2124	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2124	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2124	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2176	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2176	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2176	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2516	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2516	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2516	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4292	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4292	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4292	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4996	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4996	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4996	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 1676	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 1676	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 1676	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4772	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4772	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4772	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4160	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4160	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4160	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2408	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2408	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2408	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4580	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4580	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4580	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 3112	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 3112	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 3112	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4332	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4332	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4332	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4452	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4452	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4452	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4604	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4604	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4604	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 3012	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 3012	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 3012	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2820	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2820	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 2820	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4476	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4476	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe
PID 4012 wrote to memory of 4476	4012	b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe
"C:\Users\Admin\AppData\Local\Temp\b83c41763b5e861e15614d3d6ab8573c7948bf176143ee4142516e9b8bcb4423.exe"
1⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
  2⤵
  PID:2124
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
  2⤵
  PID:2176
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
  2⤵
  PID:2516
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:4292
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
  2⤵
  PID:4996
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
  2⤵
  PID:1676
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
  2⤵
  PID:4772
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:4160
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
  2⤵
  PID:2408
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
  2⤵
  PID:4580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
  2⤵
  PID:3112
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
  2⤵
  PID:4332
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
  2⤵
  PID:4452
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
  2⤵
  PID:4604
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
  2⤵
  PID:3012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
  2⤵
  PID:2820
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
  2⤵
  PID:4476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4012-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/4012-2-0x0000000002120000-0x00000000021FD000-memory.dmp

Filesize
884KB

Download
memory/4012-3-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4012-4-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4012-6-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/4012-7-0x0000000002120000-0x00000000021FD000-memory.dmp

Filesize
884KB

Download
memory/4012-8-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4012-10-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4012-12-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4012-14-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4012-17-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4012-19-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads