outsteel | 27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
behavioral1/files/0x000f00000000f680-1.dat	outsteel_batch_script

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
3048	cmd.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
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)	\??\p:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\v:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\h:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\k:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\m:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\o:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\j:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\l:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\q:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\z:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\w:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\x:	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)	\??\u:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\r:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\t:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\y:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\a:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\e:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\g:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\n:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe

Kills process with taskkill 1 IoCs

evasion

Processes:

taskkill.exe

pid	Process
2836	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description	pid	Process
Token: SeDebugPrivilege	2836	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe

description	pid	Process	procid_target
PID 1928 wrote to memory of 1740	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	28
PID 1928 wrote to memory of 1740	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	28
PID 1928 wrote to memory of 1740	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	28
PID 1928 wrote to memory of 1740	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	28
PID 1928 wrote to memory of 1784	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	30
PID 1928 wrote to memory of 1784	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	30
PID 1928 wrote to memory of 1784	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	30
PID 1928 wrote to memory of 1784	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	30
PID 1928 wrote to memory of 2212	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	32
PID 1928 wrote to memory of 2212	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	32
PID 1928 wrote to memory of 2212	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	32
PID 1928 wrote to memory of 2212	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	32
PID 1928 wrote to memory of 2920	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	34
PID 1928 wrote to memory of 2920	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	34
PID 1928 wrote to memory of 2920	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	34
PID 1928 wrote to memory of 2920	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	34
PID 1928 wrote to memory of 2468	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	36
PID 1928 wrote to memory of 2468	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	36
PID 1928 wrote to memory of 2468	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	36
PID 1928 wrote to memory of 2468	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	36
PID 1928 wrote to memory of 2572	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	38
PID 1928 wrote to memory of 2572	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	38
PID 1928 wrote to memory of 2572	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	38
PID 1928 wrote to memory of 2572	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	38
PID 1928 wrote to memory of 2560	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	40
PID 1928 wrote to memory of 2560	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	40
PID 1928 wrote to memory of 2560	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	40
PID 1928 wrote to memory of 2560	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	40
PID 1928 wrote to memory of 2584	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	42
PID 1928 wrote to memory of 2584	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	42
PID 1928 wrote to memory of 2584	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	42
PID 1928 wrote to memory of 2584	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	42
PID 1928 wrote to memory of 2940	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	44
PID 1928 wrote to memory of 2940	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	44
PID 1928 wrote to memory of 2940	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	44
PID 1928 wrote to memory of 2940	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	44
PID 1928 wrote to memory of 2688	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	46
PID 1928 wrote to memory of 2688	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	46
PID 1928 wrote to memory of 2688	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	46
PID 1928 wrote to memory of 2688	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	46
PID 1928 wrote to memory of 1768	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	48
PID 1928 wrote to memory of 1768	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	48
PID 1928 wrote to memory of 1768	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	48
PID 1928 wrote to memory of 1768	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	48
PID 1928 wrote to memory of 1808	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	50
PID 1928 wrote to memory of 1808	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	50
PID 1928 wrote to memory of 1808	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	50
PID 1928 wrote to memory of 1808	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	50
PID 1928 wrote to memory of 2396	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	52
PID 1928 wrote to memory of 2396	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	52
PID 1928 wrote to memory of 2396	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	52
PID 1928 wrote to memory of 2396	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	52
PID 1928 wrote to memory of 2840	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	54
PID 1928 wrote to memory of 2840	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	54
PID 1928 wrote to memory of 2840	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	54
PID 1928 wrote to memory of 2840	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	54
PID 1928 wrote to memory of 1956	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	56
PID 1928 wrote to memory of 1956	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	56
PID 1928 wrote to memory of 1956	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	56
PID 1928 wrote to memory of 1956	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	56
PID 1928 wrote to memory of 520	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	58
PID 1928 wrote to memory of 520	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	58
PID 1928 wrote to memory of 520	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	58
PID 1928 wrote to memory of 520	1928	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	58

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:1928
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
  2⤵
  PID:1740
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
  2⤵
  PID:1784
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
  2⤵
  PID:2212
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:2920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
  2⤵
  PID:2468
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
  2⤵
  PID:2572
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
  2⤵
  PID:2560
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:2584
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
  2⤵
  PID:2940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
  2⤵
  PID:2688
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
  2⤵
  PID:1768
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
  2⤵
  PID:1808
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
  2⤵
  PID:2396
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
  2⤵
  PID:2840
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
  2⤵
  PID:1956
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
  2⤵
  PID:520
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
  2⤵
  PID:1500
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.doc" /S /B /A
  2⤵
  PID:2452
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pdf" /S /B /A
  2⤵
  PID:2036
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppt" /S /B /A
  2⤵
  PID:1840
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
  2⤵
  PID:1772
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.xl" /S /B /A
  2⤵
  PID:2864
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.csv" /S /B /A
  2⤵
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rtf" /S /B /A
  2⤵
  PID:2076
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.dot" /S /B /A
  2⤵
  PID:476
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.mdb" /S /B /A
  2⤵
  PID:2088
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.accdb" /S /B /A
  2⤵
  PID:2964
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pot" /S /B /A
  2⤵
  PID:2928
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.pps" /S /B /A
  2⤵
  PID:1568
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.ppa" /S /B /A
  2⤵
  PID:1388
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.rar" /S /B /A
  2⤵
  PID:1400
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.zip" /S /B /A
  2⤵
  PID:856
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.tar" /S /B /A
  2⤵
  PID:2268
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "f:\*.7z" /S /B /A
  2⤵
  PID:2024
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start /min r.bat
  2⤵
  PID:3056
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K r.bat
    3⤵
    - Deletes itself
    PID:3048
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
      4⤵
      PID:2832
  - - C:\Windows\SysWOW64\taskkill.exe
      Taskkill /IM cmd.exe /F
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2836

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

Loading Replay Monitor...

Downloads

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

Filesize
256B

MD5
787f2021fecbae6266d3cbc34099e667

SHA1
a6723f6a23838e36c4cbd2fdd8bf60fc6cb0058f

SHA256
93b1aed4480619214d2f3c3b831781560d214164bb7ffc4dbc3f7ba3faa78840

SHA512
af7725460669e92b799bb191d5c69bb86c57fb3dd9bc17c631abac454258feb9e45bf0519a632649d7efa79b1d28ae1106c7555ea3d8d8c97b92a4a1f06b6132

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