outsteel | dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-04-2024 14:31

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General

Target

dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
Size

708KB
MD5

e852e90f778f616f09900b4f1b05c03c
SHA1

91b6442fa2c070f07437a887fbb42805bf59b8cb
SHA256

dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c
SHA512

9be52c15f29c65e3b14601e997bfc4943709e162e13708a8464b230196cc822548b0219f2df5e5619ac303e1da94c66fbff5cdb1a02d50a8099f31f7862dfdd0
SSDEEP

12288:eqoP5A6FJP3lTedx7jsSeQOZBVJAoeXI5eN9zmTX6uaTcPap:eV5fbP3Jek5Pe4oN926uaYP

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
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

description	ioc	Process
File opened (read-only)	\??\h:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\n:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\p:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\q:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\z:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\y:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\b:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\e:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\k:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\s:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\x:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\w:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\g:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\i:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\m:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\r:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\v:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\u:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\a:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\j:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\l:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\o:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
File opened (read-only)	\??\t:	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe

AutoIT Executable 9 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2944-2-0x00000000055B0000-0x000000000568D000-memory.dmp	autoit_exe
behavioral1/memory/2944-3-0x0000000000400000-0x0000000003E13000-memory.dmp	autoit_exe
behavioral1/memory/2944-6-0x00000000055B0000-0x000000000568D000-memory.dmp	autoit_exe
behavioral1/memory/2944-7-0x0000000000400000-0x0000000003E13000-memory.dmp	autoit_exe
behavioral1/memory/2944-9-0x0000000000400000-0x0000000003E13000-memory.dmp	autoit_exe
behavioral1/memory/2944-11-0x0000000000400000-0x0000000003E13000-memory.dmp	autoit_exe
behavioral1/memory/2944-13-0x0000000000400000-0x0000000003E13000-memory.dmp	autoit_exe
behavioral1/memory/2944-15-0x0000000000400000-0x0000000003E13000-memory.dmp	autoit_exe
behavioral1/memory/2944-17-0x0000000000400000-0x0000000003E13000-memory.dmp	autoit_exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 3020	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	28
PID 2944 wrote to memory of 3020	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	28
PID 2944 wrote to memory of 3020	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	28
PID 2944 wrote to memory of 3020	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	28
PID 2944 wrote to memory of 2120	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	30
PID 2944 wrote to memory of 2120	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	30
PID 2944 wrote to memory of 2120	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	30
PID 2944 wrote to memory of 2120	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	30
PID 2944 wrote to memory of 2988	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	32
PID 2944 wrote to memory of 2988	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	32
PID 2944 wrote to memory of 2988	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	32
PID 2944 wrote to memory of 2988	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	32
PID 2944 wrote to memory of 2976	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	34
PID 2944 wrote to memory of 2976	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	34
PID 2944 wrote to memory of 2976	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	34
PID 2944 wrote to memory of 2976	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	34
PID 2944 wrote to memory of 2632	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	36
PID 2944 wrote to memory of 2632	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	36
PID 2944 wrote to memory of 2632	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	36
PID 2944 wrote to memory of 2632	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	36
PID 2944 wrote to memory of 2664	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	38
PID 2944 wrote to memory of 2664	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	38
PID 2944 wrote to memory of 2664	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	38
PID 2944 wrote to memory of 2664	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	38
PID 2944 wrote to memory of 2580	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	40
PID 2944 wrote to memory of 2580	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	40
PID 2944 wrote to memory of 2580	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	40
PID 2944 wrote to memory of 2580	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	40
PID 2944 wrote to memory of 2828	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	42
PID 2944 wrote to memory of 2828	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	42
PID 2944 wrote to memory of 2828	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	42
PID 2944 wrote to memory of 2828	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	42
PID 2944 wrote to memory of 2780	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	44
PID 2944 wrote to memory of 2780	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	44
PID 2944 wrote to memory of 2780	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	44
PID 2944 wrote to memory of 2780	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	44
PID 2944 wrote to memory of 2796	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	46
PID 2944 wrote to memory of 2796	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	46
PID 2944 wrote to memory of 2796	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	46
PID 2944 wrote to memory of 2796	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	46
PID 2944 wrote to memory of 2448	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	48
PID 2944 wrote to memory of 2448	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	48
PID 2944 wrote to memory of 2448	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	48
PID 2944 wrote to memory of 2448	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	48
PID 2944 wrote to memory of 2508	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	50
PID 2944 wrote to memory of 2508	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	50
PID 2944 wrote to memory of 2508	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	50
PID 2944 wrote to memory of 2508	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	50
PID 2944 wrote to memory of 2952	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	52
PID 2944 wrote to memory of 2952	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	52
PID 2944 wrote to memory of 2952	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	52
PID 2944 wrote to memory of 2952	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	52
PID 2944 wrote to memory of 2924	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	54
PID 2944 wrote to memory of 2924	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	54
PID 2944 wrote to memory of 2924	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	54
PID 2944 wrote to memory of 2924	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	54
PID 2944 wrote to memory of 2752	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	56
PID 2944 wrote to memory of 2752	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	56
PID 2944 wrote to memory of 2752	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	56
PID 2944 wrote to memory of 2752	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	56
PID 2944 wrote to memory of 1736	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	58
PID 2944 wrote to memory of 1736	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	58
PID 2944 wrote to memory of 1736	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	58
PID 2944 wrote to memory of 1736	2944	dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe	58

C:\Users\Admin\AppData\Local\Temp\dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe
"C:\Users\Admin\AppData\Local\Temp\dfc24fa837b6cd3210e7ea0802db3dcf7bb1f85bff2c1b4bda4c3c599821bf8c.exe"
1⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
  2⤵
  PID:3020
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
  2⤵
  PID:2120
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
  2⤵
  PID:2988
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:2976
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
  2⤵
  PID:2632
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
  2⤵
  PID:2664
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
  2⤵
  PID:2580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:2828
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
  2⤵
  PID:2780
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
  2⤵
  PID:2796
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
  2⤵
  PID:2448
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
  2⤵
  PID:2508
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
  2⤵
  PID:2952
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
  2⤵
  PID:2924
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
  2⤵
  PID:2752
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
  2⤵
  PID:1736
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
  2⤵
  PID:2224

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

memory/2944-1-0x0000000000300000-0x0000000000400000-memory.dmp

Filesize
1024KB

Download
memory/2944-2-0x00000000055B0000-0x000000000568D000-memory.dmp

Filesize
884KB

Download
memory/2944-3-0x0000000000400000-0x0000000003E13000-memory.dmp

Filesize
58.1MB

Download
memory/2944-5-0x0000000000300000-0x0000000000400000-memory.dmp

Filesize
1024KB

Download
memory/2944-6-0x00000000055B0000-0x000000000568D000-memory.dmp

Filesize
884KB

Download
memory/2944-7-0x0000000000400000-0x0000000003E13000-memory.dmp

Filesize
58.1MB

Download
memory/2944-9-0x0000000000400000-0x0000000003E13000-memory.dmp

Filesize
58.1MB

Download
memory/2944-11-0x0000000000400000-0x0000000003E13000-memory.dmp

Filesize
58.1MB

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memory/2944-13-0x0000000000400000-0x0000000003E13000-memory.dmp

Filesize
58.1MB

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memory/2944-15-0x0000000000400000-0x0000000003E13000-memory.dmp

Filesize
58.1MB

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memory/2944-17-0x0000000000400000-0x0000000003E13000-memory.dmp

Filesize
58.1MB

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