outsteel | f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99

Analysis

max time kernel
159s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 14:53

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General

Target

f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
Size

700KB
MD5

cf584e69d6832fb7f92af0633e6e5222
SHA1

fb652a73f6d6de07d22e13de5a19e9fc6f9814b5
SHA256

f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99
SHA512

f7d6a3a404e18bc598abc86623a3f16083c26d5b29fe37ddf502cd52bec99d80674ccc06d896472950059db947654dd2c0126b3293d2c504a596eef23cbb64ba
SSDEEP

12288:ypl5v4OmcfiIhLibgvPjXzaVDScECKuUytXV1rx/ci13p/6EgEVsa0L:w2OzfiIhLigvrXkSw8SV9xEi139TgEi7

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)	\??\n:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\p:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\a:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\m:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\q:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\t:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\y:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\b:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\h:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\k:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\l:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\u:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\w:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\x:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\g:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\i:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\o:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\r:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\s:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\v:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\z:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\e:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
File opened (read-only)	\??\j:	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe

AutoIT Executable 9 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4584-2-0x0000000002620000-0x00000000026FD000-memory.dmp	autoit_exe
behavioral2/memory/4584-3-0x0000000000400000-0x00000000008A7000-memory.dmp	autoit_exe
behavioral2/memory/4584-4-0x0000000000400000-0x00000000008A7000-memory.dmp	autoit_exe
behavioral2/memory/4584-7-0x0000000002620000-0x00000000026FD000-memory.dmp	autoit_exe
behavioral2/memory/4584-9-0x0000000000400000-0x00000000008A7000-memory.dmp	autoit_exe
behavioral2/memory/4584-11-0x0000000000400000-0x00000000008A7000-memory.dmp	autoit_exe
behavioral2/memory/4584-13-0x0000000000400000-0x00000000008A7000-memory.dmp	autoit_exe
behavioral2/memory/4584-15-0x0000000000400000-0x00000000008A7000-memory.dmp	autoit_exe
behavioral2/memory/4584-18-0x0000000000400000-0x00000000008A7000-memory.dmp	autoit_exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 2968	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	87
PID 4584 wrote to memory of 2968	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	87
PID 4584 wrote to memory of 2968	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	87
PID 4584 wrote to memory of 3576	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	92
PID 4584 wrote to memory of 3576	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	92
PID 4584 wrote to memory of 3576	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	92
PID 4584 wrote to memory of 3284	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	95
PID 4584 wrote to memory of 3284	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	95
PID 4584 wrote to memory of 3284	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	95
PID 4584 wrote to memory of 3828	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	97
PID 4584 wrote to memory of 3828	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	97
PID 4584 wrote to memory of 3828	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	97
PID 4584 wrote to memory of 704	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	99
PID 4584 wrote to memory of 704	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	99
PID 4584 wrote to memory of 704	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	99
PID 4584 wrote to memory of 4648	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	101
PID 4584 wrote to memory of 4648	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	101
PID 4584 wrote to memory of 4648	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	101
PID 4584 wrote to memory of 4832	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	103
PID 4584 wrote to memory of 4832	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	103
PID 4584 wrote to memory of 4832	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	103
PID 4584 wrote to memory of 1244	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	105
PID 4584 wrote to memory of 1244	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	105
PID 4584 wrote to memory of 1244	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	105
PID 4584 wrote to memory of 1412	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	107
PID 4584 wrote to memory of 1412	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	107
PID 4584 wrote to memory of 1412	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	107
PID 4584 wrote to memory of 5056	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	109
PID 4584 wrote to memory of 5056	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	109
PID 4584 wrote to memory of 5056	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	109
PID 4584 wrote to memory of 3520	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	112
PID 4584 wrote to memory of 3520	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	112
PID 4584 wrote to memory of 3520	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	112
PID 4584 wrote to memory of 5116	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	114
PID 4584 wrote to memory of 5116	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	114
PID 4584 wrote to memory of 5116	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	114
PID 4584 wrote to memory of 2792	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	116
PID 4584 wrote to memory of 2792	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	116
PID 4584 wrote to memory of 2792	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	116
PID 4584 wrote to memory of 4468	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	118
PID 4584 wrote to memory of 4468	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	118
PID 4584 wrote to memory of 4468	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	118
PID 4584 wrote to memory of 1772	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	120
PID 4584 wrote to memory of 1772	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	120
PID 4584 wrote to memory of 1772	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	120
PID 4584 wrote to memory of 2256	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	122
PID 4584 wrote to memory of 2256	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	122
PID 4584 wrote to memory of 2256	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	122
PID 4584 wrote to memory of 4800	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	124
PID 4584 wrote to memory of 4800	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	124
PID 4584 wrote to memory of 4800	4584	f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe	124

C:\Users\Admin\AppData\Local\Temp\f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe
"C:\Users\Admin\AppData\Local\Temp\f24ee966ef2dd31204b900b5c7eb7e367bc18ff92a13422d800c25dbb1de1e99.exe"
1⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.doc" /S /B /A
  2⤵
  PID:2968
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pdf" /S /B /A
  2⤵
  PID:3576
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppt" /S /B /A
  2⤵
  PID:3284
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:3828
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.xl" /S /B /A
  2⤵
  PID:704
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.csv" /S /B /A
  2⤵
  PID:4648
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rtf" /S /B /A
  2⤵
  PID:4832
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.dot" /S /B /A
  2⤵
  PID:1244
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.mdb" /S /B /A
  2⤵
  PID:1412
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.accdb" /S /B /A
  2⤵
  PID:5056
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pot" /S /B /A
  2⤵
  PID:3520
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.pps" /S /B /A
  2⤵
  PID:5116
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.ppa" /S /B /A
  2⤵
  PID:2792
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.rar" /S /B /A
  2⤵
  PID:4468
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.zip" /S /B /A
  2⤵
  PID:1772
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.tar" /S /B /A
  2⤵
  PID:2256
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /U /C DIR "\Users\Admin\*.7z" /S /B /A
  2⤵
  PID:4800

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/4584-1-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download
memory/4584-2-0x0000000002620000-0x00000000026FD000-memory.dmp

Filesize
884KB

Download
memory/4584-3-0x0000000000400000-0x00000000008A7000-memory.dmp

Filesize
4.7MB

Download
memory/4584-4-0x0000000000400000-0x00000000008A7000-memory.dmp

Filesize
4.7MB

Download
memory/4584-6-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download
memory/4584-7-0x0000000002620000-0x00000000026FD000-memory.dmp

Filesize
884KB

Download
memory/4584-9-0x0000000000400000-0x00000000008A7000-memory.dmp

Filesize
4.7MB

Download
memory/4584-11-0x0000000000400000-0x00000000008A7000-memory.dmp

Filesize
4.7MB

Download
memory/4584-13-0x0000000000400000-0x00000000008A7000-memory.dmp

Filesize
4.7MB

Download
memory/4584-15-0x0000000000400000-0x00000000008A7000-memory.dmp

Filesize
4.7MB

Download
memory/4584-18-0x0000000000400000-0x00000000008A7000-memory.dmp

Filesize
4.7MB

Download