outsteel | 8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-04-2024 12:28

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General

Target

8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
Size

563KB
MD5

f6ce89bf34e3ff6509a32347c400ca8d
SHA1

c4da78729b0e12c30c55036b1df7093ccd0ef719
SHA256

8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4
SHA512

02eaec42b422eded7b669caa4018983dd1aa5a7795e4a88ede5821920c5be91f69940a06c35a211315e809c4b29674a574922f249d5a0cc11f332462cba7ff5b
SSDEEP

12288:9X2AHrixB7BziTfP5/BVHxuISKfAQslKsWg+IOefuqK/9EU5QgD3:9IzNwfR/BVHgInfA3A049Eix

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)	\??\e:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\m:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\q:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\s:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\i:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\n:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\r:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\x:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\a:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\b:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\g:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\h:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\z:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\y:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\k:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\o:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\p:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\w:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\v:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\j:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\l:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\t:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
File opened (read-only)	\??\u:	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe

AutoIT Executable 8 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/3004-4-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral1/memory/3004-6-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral1/memory/3004-8-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral1/memory/3004-9-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral1/memory/3004-15-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral1/memory/3004-20-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral1/memory/3004-27-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe
behavioral1/memory/3004-31-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1676 set thread context of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 1676 wrote to memory of 3004	1676	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	28
PID 3004 wrote to memory of 2620	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	29
PID 3004 wrote to memory of 2620	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	29
PID 3004 wrote to memory of 2620	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	29
PID 3004 wrote to memory of 2620	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	29
PID 3004 wrote to memory of 2668	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	31
PID 3004 wrote to memory of 2668	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	31
PID 3004 wrote to memory of 2668	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	31
PID 3004 wrote to memory of 2668	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	31
PID 3004 wrote to memory of 2452	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	33
PID 3004 wrote to memory of 2452	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	33
PID 3004 wrote to memory of 2452	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	33
PID 3004 wrote to memory of 2452	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	33
PID 3004 wrote to memory of 1628	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	37
PID 3004 wrote to memory of 1628	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	37
PID 3004 wrote to memory of 1628	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	37
PID 3004 wrote to memory of 1628	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	37
PID 3004 wrote to memory of 392	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	39
PID 3004 wrote to memory of 392	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	39
PID 3004 wrote to memory of 392	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	39
PID 3004 wrote to memory of 392	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	39
PID 3004 wrote to memory of 2880	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	41
PID 3004 wrote to memory of 2880	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	41
PID 3004 wrote to memory of 2880	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	41
PID 3004 wrote to memory of 2880	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	41
PID 3004 wrote to memory of 2280	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	43
PID 3004 wrote to memory of 2280	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	43
PID 3004 wrote to memory of 2280	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	43
PID 3004 wrote to memory of 2280	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	43
PID 3004 wrote to memory of 672	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	45
PID 3004 wrote to memory of 672	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	45
PID 3004 wrote to memory of 672	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	45
PID 3004 wrote to memory of 672	3004	8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe	45

C:\Users\Admin\AppData\Local\Temp\8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
"C:\Users\Admin\AppData\Local\Temp\8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Users\Admin\AppData\Local\Temp\8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
  C:\Users\Admin\AppData\Local\Temp\8ab3879ed4b1601feb0de11637c9c4d1baeb5266f399d822f565299e5c1cd0c4.exe
  2⤵
  - Enumerates connected drives
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
    3⤵
    PID:2620
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
    3⤵
    PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
    3⤵
    PID:2452
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
    3⤵
    PID:1628
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
    3⤵
    PID:392
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
    3⤵
    PID:2880
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
    3⤵
    PID:2280
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
    3⤵
    PID:672

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

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Downloads

memory/1676-7-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/1676-1-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/1676-2-0x0000000004B50000-0x0000000004B90000-memory.dmp

Filesize
256KB

Download
memory/1676-3-0x0000000000410000-0x000000000041E000-memory.dmp

Filesize
56KB

Download
memory/1676-0-0x0000000000F40000-0x0000000000FD2000-memory.dmp

Filesize
584KB

Download
memory/3004-6-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/3004-4-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/3004-8-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/3004-9-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/3004-15-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/3004-20-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/3004-27-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/3004-31-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download