outsteel | 27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908

Analysis

max time kernel
4294180s
max time network
127s
platform
windows7_x64
resource
win7-20220223-en
submitted
28-02-2022 03:14

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General

Target

27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
Size

878KB
MD5

2e0cee9eb10dd9dbe060f5a25cebfa80
SHA1

b7d4ade87108f36ff04b07c7adba6a2be6005412
SHA256

27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908
SHA512

9dc42032f4a88320d8fa859dd21b486f605bbb0ead3057e07e065f948881142e7740eb8db6f4554d6a809a2757625b3518e201b6ba0d72f2cedba7bbeacebfc8

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/0x0004000000004ed7-55.dat	outsteel_batch_script

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
240	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
T1081

Enumerates connected drives 3 TTPs 24 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)	\??\s:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\v:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\e:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\h:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\j:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\m:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\q:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\a:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\k:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\z:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\b:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\f:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\g:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\t:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\w:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\r:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\u:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\x:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\i:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\l:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\n:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\o:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\p:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe
File opened (read-only)	\??\y:	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe

Kills process with taskkill 1 IoCs

evasion

Processes:

taskkill.exe

pid	Process
276	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description	pid	Process
Token: SeDebugPrivilege	276	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe

description	pid	Process	procid_target
PID 1768 wrote to memory of 1176	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	27
PID 1768 wrote to memory of 1176	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	27
PID 1768 wrote to memory of 1176	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	27
PID 1768 wrote to memory of 1176	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	27
PID 1768 wrote to memory of 976	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	29
PID 1768 wrote to memory of 976	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	29
PID 1768 wrote to memory of 976	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	29
PID 1768 wrote to memory of 976	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	29
PID 1768 wrote to memory of 688	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	31
PID 1768 wrote to memory of 688	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	31
PID 1768 wrote to memory of 688	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	31
PID 1768 wrote to memory of 688	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	31
PID 1768 wrote to memory of 652	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	33
PID 1768 wrote to memory of 652	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	33
PID 1768 wrote to memory of 652	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	33
PID 1768 wrote to memory of 652	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	33
PID 1768 wrote to memory of 1408	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	35
PID 1768 wrote to memory of 1408	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	35
PID 1768 wrote to memory of 1408	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	35
PID 1768 wrote to memory of 1408	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	35
PID 1768 wrote to memory of 1048	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	37
PID 1768 wrote to memory of 1048	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	37
PID 1768 wrote to memory of 1048	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	37
PID 1768 wrote to memory of 1048	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	37
PID 1768 wrote to memory of 392	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	39
PID 1768 wrote to memory of 392	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	39
PID 1768 wrote to memory of 392	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	39
PID 1768 wrote to memory of 392	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	39
PID 1768 wrote to memory of 868	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	41
PID 1768 wrote to memory of 868	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	41
PID 1768 wrote to memory of 868	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	41
PID 1768 wrote to memory of 868	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	41
PID 1768 wrote to memory of 1836	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	43
PID 1768 wrote to memory of 1836	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	43
PID 1768 wrote to memory of 1836	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	43
PID 1768 wrote to memory of 1836	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	43
PID 1768 wrote to memory of 1192	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	45
PID 1768 wrote to memory of 1192	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	45
PID 1768 wrote to memory of 1192	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	45
PID 1768 wrote to memory of 1192	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	45
PID 1768 wrote to memory of 1844	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	47
PID 1768 wrote to memory of 1844	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	47
PID 1768 wrote to memory of 1844	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	47
PID 1768 wrote to memory of 1844	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	47
PID 1768 wrote to memory of 1560	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	49
PID 1768 wrote to memory of 1560	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	49
PID 1768 wrote to memory of 1560	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	49
PID 1768 wrote to memory of 1560	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	49
PID 1768 wrote to memory of 1940	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	51
PID 1768 wrote to memory of 1940	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	51
PID 1768 wrote to memory of 1940	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	51
PID 1768 wrote to memory of 1940	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	51
PID 1768 wrote to memory of 784	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	53
PID 1768 wrote to memory of 784	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	53
PID 1768 wrote to memory of 784	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	53
PID 1768 wrote to memory of 784	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	53
PID 1768 wrote to memory of 1304	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	55
PID 1768 wrote to memory of 1304	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	55
PID 1768 wrote to memory of 1304	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	55
PID 1768 wrote to memory of 1304	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	55
PID 1768 wrote to memory of 288	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	57
PID 1768 wrote to memory of 288	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	57
PID 1768 wrote to memory of 288	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	57
PID 1768 wrote to memory of 288	1768	27868ae50b849506121c36b00d92afe3115ce2f041cc28476db8dfc0cc1d6908.exe	57

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:1768
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
  2⤵
  PID:1176
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
  2⤵
  PID:976
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
  2⤵
  PID:688
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:652
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
  2⤵
  PID:1408
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
  2⤵
  PID:1048
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
  2⤵
  PID:392
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:868
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
  2⤵
  PID:1836
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
  2⤵
  PID:1192
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
  2⤵
  PID:1844
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
  2⤵
  PID:1560
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
  2⤵
  PID:1940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
  2⤵
  PID:784
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
  2⤵
  PID:1304
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
  2⤵
  PID:288
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
  2⤵
  PID:2000
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start /min r.bat
  2⤵
  PID:280
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K r.bat
    3⤵
    - Deletes itself
    PID:240
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
      4⤵
      PID:1884
  - - C:\Windows\SysWOW64\taskkill.exe
      Taskkill /IM cmd.exe /F
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:276

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

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

MD5
787f2021fecbae6266d3cbc34099e667

SHA1
a6723f6a23838e36c4cbd2fdd8bf60fc6cb0058f

SHA256
93b1aed4480619214d2f3c3b831781560d214164bb7ffc4dbc3f7ba3faa78840

SHA512
af7725460669e92b799bb191d5c69bb86c57fb3dd9bc17c631abac454258feb9e45bf0519a632649d7efa79b1d28ae1106c7555ea3d8d8c97b92a4a1f06b6132

Download Submit
memory/1768-54-0x0000000074BE1000-0x0000000074BE3000-memory.dmp

Filesize
8KB

Download