outsteel | 56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256

Analysis

max time kernel
155s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
28-02-2022 03:17

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General

Target

56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
Size

697KB
MD5

a31cb445d3131bf567720c43f2a74484
SHA1

29e763a59424f9bb147df11a7b2ebfe9373a451f
SHA256

56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256
SHA512

ca8d1c63ababcb662922d4e91c3f599579ce324881ca4ce6effe942b91037012fc959060eab730d62b07330c17bd4ac49458b52c224c5e615ee55ae469ae0ae0

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
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:

56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe

description	ioc	Process
File opened (read-only)	\??\b:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\e:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\g:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\k:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\n:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\p:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\q:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\a:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\v:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\l:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\m:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\i:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\j:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\t:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\u:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\w:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\y:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\f:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\o:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\r:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\s:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\x:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\z:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
File opened (read-only)	\??\h:	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/1988-132-0x0000000002810000-0x00000000028ED000-memory.dmp	autoit_exe
behavioral2/memory/1988-133-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe

description	pid	Process	procid_target
PID 1988 wrote to memory of 2376	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	61
PID 1988 wrote to memory of 2376	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	61
PID 1988 wrote to memory of 2376	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	61
PID 1988 wrote to memory of 3316	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	72
PID 1988 wrote to memory of 3316	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	72
PID 1988 wrote to memory of 3316	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	72
PID 1988 wrote to memory of 2464	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	74
PID 1988 wrote to memory of 2464	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	74
PID 1988 wrote to memory of 2464	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	74
PID 1988 wrote to memory of 3132	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	76
PID 1988 wrote to memory of 3132	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	76
PID 1988 wrote to memory of 3132	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	76
PID 1988 wrote to memory of 4000	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	78
PID 1988 wrote to memory of 4000	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	78
PID 1988 wrote to memory of 4000	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	78
PID 1988 wrote to memory of 3668	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	80
PID 1988 wrote to memory of 3668	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	80
PID 1988 wrote to memory of 3668	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	80
PID 1988 wrote to memory of 3536	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	82
PID 1988 wrote to memory of 3536	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	82
PID 1988 wrote to memory of 3536	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	82
PID 1988 wrote to memory of 216	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	84
PID 1988 wrote to memory of 216	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	84
PID 1988 wrote to memory of 216	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	84
PID 1988 wrote to memory of 2508	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	86
PID 1988 wrote to memory of 2508	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	86
PID 1988 wrote to memory of 2508	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	86
PID 1988 wrote to memory of 2560	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	88
PID 1988 wrote to memory of 2560	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	88
PID 1988 wrote to memory of 2560	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	88
PID 1988 wrote to memory of 2376	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	90
PID 1988 wrote to memory of 2376	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	90
PID 1988 wrote to memory of 2376	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	90
PID 1988 wrote to memory of 1848	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	92
PID 1988 wrote to memory of 1848	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	92
PID 1988 wrote to memory of 1848	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	92
PID 1988 wrote to memory of 3864	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	94
PID 1988 wrote to memory of 3864	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	94
PID 1988 wrote to memory of 3864	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	94
PID 1988 wrote to memory of 3568	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	96
PID 1988 wrote to memory of 3568	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	96
PID 1988 wrote to memory of 3568	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	96
PID 1988 wrote to memory of 2820	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	98
PID 1988 wrote to memory of 2820	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	98
PID 1988 wrote to memory of 2820	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	98
PID 1988 wrote to memory of 3540	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	100
PID 1988 wrote to memory of 3540	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	100
PID 1988 wrote to memory of 3540	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	100
PID 1988 wrote to memory of 460	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	102
PID 1988 wrote to memory of 460	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	102
PID 1988 wrote to memory of 460	1988	56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe	102

C:\Users\Admin\AppData\Local\Temp\56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe
"C:\Users\Admin\AppData\Local\Temp\56731c777896837782beff4432330486a941e4f3af44b4d24be7c62c16e96256.exe"
1⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
  2⤵
  PID:2376
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
  2⤵
  PID:3316
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
  2⤵
  PID:2464
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:3132
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
  2⤵
  PID:4000
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
  2⤵
  PID:3668
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
  2⤵
  PID:3536
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:216
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
  2⤵
  PID:2508
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
  2⤵
  PID:2560
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
  2⤵
  PID:2376
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
  2⤵
  PID:1848
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
  2⤵
  PID:3864
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
  2⤵
  PID:3568
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
  2⤵
  PID:2820
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
  2⤵
  PID:3540
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
  2⤵
  PID:460

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

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Downloads

memory/1988-130-0x0000000000B50000-0x0000000000BCB000-memory.dmp

Filesize
492KB

Download
memory/1988-131-0x0000000000B50000-0x0000000000BCB000-memory.dmp

Filesize
492KB

Download
memory/1988-132-0x0000000002810000-0x00000000028ED000-memory.dmp

Filesize
884KB

Download
memory/1988-133-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download