outsteel | 27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908

Analysis

max time kernel
92s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 10:02

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General

Target

27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
Size

878KB
MD5

2e0cee9eb10dd9dbe060f5a25cebfa80
SHA1

b7d4ade87108f36ff04b07c7adba6a2be6005412
SHA256

27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908
SHA512

9dc42032f4a88320d8fa859dd21b486f605bbb0ead3057e07e065f948881142e7740eb8db6f4554d6a809a2757625b3518e201b6ba0d72f2cedba7bbeacebfc8
SSDEEP

24576:zAHnh+eWsN3skA4RV1Hom2KXVmLaFtL5:+h+ZkldoPKlgaFf

Score

10^/10

outsteel spyware stealer

Malware Config

Signatures

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

OutSteel batch script 1 IoCs

Detects batch script dropped by OutSteel

Processes:

resource	yara_rule
behavioral2/files/0x00030000000228c0-1.dat	outsteel_batch_script

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:

27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe

description	ioc	Process
File opened (read-only)	\??\j:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\b:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\i:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\s:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\t:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\v:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\x:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\k:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\r:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\g:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\h:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\l:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\m:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\n:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\p:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\a:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\e:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\z:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\u:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\y:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\w:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\o:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\q:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe

Kills process with taskkill 1 IoCs

evasion

Processes:

taskkill.exe

pid	Process
848	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description	pid	Process
Token: SeDebugPrivilege	848	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe

description	pid	Process	procid_target
PID 2380 wrote to memory of 3156	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	87
PID 2380 wrote to memory of 3156	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	87
PID 2380 wrote to memory of 3156	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	87
PID 2380 wrote to memory of 4144	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	90
PID 2380 wrote to memory of 4144	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	90
PID 2380 wrote to memory of 4144	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	90
PID 2380 wrote to memory of 3920	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	92
PID 2380 wrote to memory of 3920	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	92
PID 2380 wrote to memory of 3920	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	92
PID 2380 wrote to memory of 4252	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	94
PID 2380 wrote to memory of 4252	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	94
PID 2380 wrote to memory of 4252	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	94
PID 2380 wrote to memory of 932	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	96
PID 2380 wrote to memory of 932	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	96
PID 2380 wrote to memory of 932	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	96
PID 2380 wrote to memory of 4352	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	98
PID 2380 wrote to memory of 4352	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	98
PID 2380 wrote to memory of 4352	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	98
PID 2380 wrote to memory of 2128	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	100
PID 2380 wrote to memory of 2128	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	100
PID 2380 wrote to memory of 2128	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	100
PID 2380 wrote to memory of 2948	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	102
PID 2380 wrote to memory of 2948	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	102
PID 2380 wrote to memory of 2948	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	102
PID 2380 wrote to memory of 3084	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	104
PID 2380 wrote to memory of 3084	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	104
PID 2380 wrote to memory of 3084	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	104
PID 2380 wrote to memory of 736	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	106
PID 2380 wrote to memory of 736	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	106
PID 2380 wrote to memory of 736	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	106
PID 2380 wrote to memory of 3848	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	108
PID 2380 wrote to memory of 3848	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	108
PID 2380 wrote to memory of 3848	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	108
PID 2380 wrote to memory of 4628	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	110
PID 2380 wrote to memory of 4628	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	110
PID 2380 wrote to memory of 4628	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	110
PID 2380 wrote to memory of 3024	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	112
PID 2380 wrote to memory of 3024	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	112
PID 2380 wrote to memory of 3024	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	112
PID 2380 wrote to memory of 3628	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	114
PID 2380 wrote to memory of 3628	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	114
PID 2380 wrote to memory of 3628	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	114
PID 2380 wrote to memory of 4204	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	116
PID 2380 wrote to memory of 4204	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	116
PID 2380 wrote to memory of 4204	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	116
PID 2380 wrote to memory of 4228	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	118
PID 2380 wrote to memory of 4228	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	118
PID 2380 wrote to memory of 4228	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	118
PID 2380 wrote to memory of 1520	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	120
PID 2380 wrote to memory of 1520	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	120
PID 2380 wrote to memory of 1520	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	120
PID 2380 wrote to memory of 3884	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	122
PID 2380 wrote to memory of 3884	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	122
PID 2380 wrote to memory of 3884	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	122
PID 2380 wrote to memory of 460	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	124
PID 2380 wrote to memory of 460	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	124
PID 2380 wrote to memory of 460	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	124
PID 2380 wrote to memory of 2748	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	126
PID 2380 wrote to memory of 2748	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	126
PID 2380 wrote to memory of 2748	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	126
PID 2380 wrote to memory of 4316	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	128
PID 2380 wrote to memory of 4316	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	128
PID 2380 wrote to memory of 4316	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	128
PID 2380 wrote to memory of 1436	2380	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	132

C:\Users\Admin\AppData\Local\Temp\27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
"C:\Users\Admin\AppData\Local\Temp\27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe"
1⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
  2⤵
  PID:3156
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
  2⤵
  PID:4144
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
  2⤵
  PID:3920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:4252
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
  2⤵
  PID:932
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
  2⤵
  PID:4352
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
  2⤵
  PID:2128
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:2948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
  2⤵
  PID:3084
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
  2⤵
  PID:736
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
  2⤵
  PID:3848
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
  2⤵
  PID:4628
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
  2⤵
  PID:3024
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
  2⤵
  PID:3628
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
  2⤵
  PID:4204
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
  2⤵
  PID:4228
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
  2⤵
  PID:1520
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.doc" /S /B /A
  2⤵
  PID:3884
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pdf" /S /B /A
  2⤵
  PID:460
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppt" /S /B /A
  2⤵
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
  2⤵
  PID:4316
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.xl" /S /B /A
  2⤵
  PID:1436
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.csv" /S /B /A
  2⤵
  PID:3624
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rtf" /S /B /A
  2⤵
  PID:1252
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
  2⤵
  PID:1856
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.mdb" /S /B /A
  2⤵
  PID:4660
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.accdb" /S /B /A
  2⤵
  PID:4464
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pot" /S /B /A
  2⤵
  PID:2044
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pps" /S /B /A
  2⤵
  PID:3920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppa" /S /B /A
  2⤵
  PID:4132
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rar" /S /B /A
  2⤵
  PID:1792
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.zip" /S /B /A
  2⤵
  PID:4648
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.tar" /S /B /A
  2⤵
  PID:408
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.7z" /S /B /A
  2⤵
  PID:1752
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start /min r.bat
  2⤵
  PID:1388
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K r.bat
    3⤵
    PID:3928
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
      4⤵
      PID:2576
  - - C:\Windows\SysWOW64\taskkill.exe
      Taskkill /IM cmd.exe /F
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\r.bat

Filesize
256B

MD5
787f2021fecbae6266d3cbc34099e667

SHA1
a6723f6a23838e36c4cbd2fdd8bf60fc6cb0058f

SHA256
93b1aed4480619214d2f3c3b831781560d214164bb7ffc4dbc3f7ba3faa78840

SHA512
af7725460669e92b799bb191d5c69bb86c57fb3dd9bc17c631abac454258feb9e45bf0519a632649d7efa79b1d28ae1106c7555ea3d8d8c97b92a4a1f06b6132

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