outsteel | 9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e

Analysis

max time kernel
4294178s
max time network
120s
platform
windows7_x64
resource
win7-20220223-en
submitted
28-02-2022 03:20

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General

Target

9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
Size

737KB
MD5

22840909e11530390e8f74c6a162ded1
SHA1

78d82f0ff396393e958553f25a47145916ea4e39
SHA256

9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e
SHA512

2a2214dc48b6942b19e439db189a9b2e7df6d91c26b24692fe370d552c70e828cb6d4ac344dc2fe36e08b0752e4ae8886f4d1f3f45970a65eaebae2d3069c130

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1940 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

pid	process
1940	cmd.exe

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:

9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe

description	ioc	process
File opened (read-only)	\??\e:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\g:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\l:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\q:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\u:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\w:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\o:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\t:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\x:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\y:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\r:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\s:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\b:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\h:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\j:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\k:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\n:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\p:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\v:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\a:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\f:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\i:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\m:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
File opened (read-only)	\??\z:	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/1676-57-0x0000000001800000-0x00000000018DD000-memory.dmp	autoit_exe
behavioral1/memory/1676-58-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1964 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1964 taskkill.exe

pid	process
1964	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1964	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe

description	pid	process	target process
PID 1676 wrote to memory of 1112	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1112	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1112	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1112	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1492	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1492	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1492	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1492	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1268	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1268	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1268	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1268	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1432	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1432	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1432	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1432	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1092	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1092	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1092	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1092	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1944	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1944	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1944	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1944	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 2012	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 2012	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 2012	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 2012	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1516	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1516	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1516	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1516	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 972	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 972	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 972	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 972	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1868	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1868	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1868	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1868	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1764	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1764	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1764	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1764	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 476	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 476	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 476	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 476	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 320	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 320	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 320	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 320	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1488	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1488	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1488	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1488	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 912	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 912	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 912	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 912	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1224	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1224	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1224	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe
PID 1676 wrote to memory of 1224	1676	9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe
"C:\Users\Admin\AppData\Local\Temp\9a72e56ac0f1badd3ca761b53e9998a7e0525f2055dbec01d867f62bdb30418e.exe"
1⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
  2⤵
  PID:1112
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
  2⤵
  PID:1492
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
  2⤵
  PID:1268
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:1432
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
  2⤵
  PID:1092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
  2⤵
  PID:1944
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
  2⤵
  PID:2012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:1516
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
  2⤵
  PID:972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
  2⤵
  PID:1868
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
  2⤵
  PID:1764
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
  2⤵
  PID:476
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
  2⤵
  PID:320
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
  2⤵
  PID:1488
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
  2⤵
  PID:912
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
  2⤵
  PID:1224
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
  2⤵
  PID:1484
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start /min r.bat
  2⤵
  PID:1708
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K r.bat
    3⤵
    - Deletes itself
    PID:1940
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /min /c del "C:\Users\Admin\AppData\Local\Temp\r.bat"
      4⤵
      PID:1936
  - - C:\Windows\SysWOW64\taskkill.exe
      Taskkill /IM cmd.exe /F
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1964

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
94fc7c014e50a09fdf04eeaa23c096de

SHA1
37c5bbf0678e876aff08d82c1db6bdbde38c937b

SHA256
ca912e401fb1c5bf6deccf0cb5771fe34ba1b966468d3b9e8202a312a934348c

SHA512
8a9b58845be4bf56341472dc3df978ceb46e0e34cc62a6171f9fb64e173db1125472eeccebc16c2951ae75fcae702d1955de77f13aa4514e7ab1f06903548712

Download Submit
memory/1676-54-0x00000000019DA000-0x0000000001A55000-memory.dmp

Filesize
492KB

Download
memory/1676-55-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1676-57-0x0000000001800000-0x00000000018DD000-memory.dmp

Filesize
884KB

Download
memory/1676-56-0x00000000019DA000-0x0000000001A55000-memory.dmp

Filesize
492KB

Download
memory/1676-58-0x0000000000400000-0x00000000004E2000-memory.dmp

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904KB

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