stealerium | e25d9b3f9951f441e544ec1ff515a7edf660691b3256205c755e3c2aa7a0429a

Analysis

max time kernel
149s
max time network
149s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
17-09-2024 15:21

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General

Target

Temp woofer/test.exe
Size

1.6MB
MD5

20e93026bee4ab2b660761da15a34902
SHA1

2b7c425f6fd0f106bcbcfbe1f978bbd3928bce0a
SHA256

e479bae61be6653faa02934e25ee488de09c326b1af8e1458a07b73e54f951ad
SHA512

60a96c8df717905d8212e4903fdf24712781bd8dbbff50e4b65a559cbefad9d45dcc6b6f7f8f51c4959a05a928e71d1a5f0e260838db87b5e740c8807ce0db87
SSDEEP

24576:ji2Q9NXw2/wPOjdGxY2rJxkqjVnlqud+/2P+A+ZecdyFoBkkAqmZywl0i:GTq24GjdGSiJxkqXfd+/9AqYanCLl

Score

10^/10

stealerium collection credential_access discovery persistence privilege_escalation spyware stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1285617774177161319/tMrhJuDO8czmq_b-937qRxuTdnQHhiFS_PygTehCI8RAUV1wNRZaDXwScpK7gRF2jWxF

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
1	discord.com
2	discord.com
30	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	icanhazip.com

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
2652	cmd.exe
2204	netsh.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	test.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	test.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe
1020	test.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1020	test.exe
Token: SeSecurityPrivilege	4004	msiexec.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1020	test.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 2652	1020	test.exe	74
PID 1020 wrote to memory of 2652	1020	test.exe	74
PID 1020 wrote to memory of 2652	1020	test.exe	74
PID 2652 wrote to memory of 1588	2652	cmd.exe	77
PID 2652 wrote to memory of 1588	2652	cmd.exe	77
PID 2652 wrote to memory of 1588	2652	cmd.exe	77
PID 2652 wrote to memory of 2204	2652	cmd.exe	78
PID 2652 wrote to memory of 2204	2652	cmd.exe	78
PID 2652 wrote to memory of 2204	2652	cmd.exe	78
PID 2652 wrote to memory of 4156	2652	cmd.exe	79
PID 2652 wrote to memory of 4156	2652	cmd.exe	79
PID 2652 wrote to memory of 4156	2652	cmd.exe	79
PID 1020 wrote to memory of 5096	1020	test.exe	82
PID 1020 wrote to memory of 5096	1020	test.exe	82
PID 1020 wrote to memory of 5096	1020	test.exe	82
PID 5096 wrote to memory of 2600	5096	cmd.exe	84
PID 5096 wrote to memory of 2600	5096	cmd.exe	84
PID 5096 wrote to memory of 2600	5096	cmd.exe	84
PID 5096 wrote to memory of 2668	5096	cmd.exe	85
PID 5096 wrote to memory of 2668	5096	cmd.exe	85
PID 5096 wrote to memory of 2668	5096	cmd.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

C:\Users\Admin\AppData\Local\Temp\Temp woofer\test.exe
"C:\Users\Admin\AppData\Local\Temp\Temp woofer\test.exe"
1⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1020
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Wi-Fi Discovery
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1588
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:2204
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4156
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5096
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2600
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2668

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\1543754bd461129912f79a0705840c17\Admin@UOKLYWYH_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\1543754bd461129912f79a0705840c17\Admin@UOKLYWYH_en-US\Directories\OneDrive.txt

Filesize
25B

MD5
966247eb3ee749e21597d73c4176bd52

SHA1
1e9e63c2872cef8f015d4b888eb9f81b00a35c79

SHA256
8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

SHA512
bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

Download Submit
C:\Users\Admin\AppData\Local\1543754bd461129912f79a0705840c17\Admin@UOKLYWYH_en-US\Directories\Startup.txt

Filesize
24B

MD5
68c93da4981d591704cea7b71cebfb97

SHA1
fd0f8d97463cd33892cc828b4ad04e03fc014fa6

SHA256
889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

SHA512
63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

Download Submit
C:\Users\Admin\AppData\Local\1543754bd461129912f79a0705840c17\Admin@UOKLYWYH_en-US\Directories\Videos.txt

Filesize
23B

MD5
1fddbf1169b6c75898b86e7e24bc7c1f

SHA1
d2091060cb5191ff70eb99c0088c182e80c20f8c

SHA256
a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

SHA512
20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

Download Submit
C:\Users\Admin\AppData\Local\1543754bd461129912f79a0705840c17\Admin@UOKLYWYH_en-US\System\Apps.txt

Filesize
4KB

MD5
b9e5d19feb621fb06b3d66f793369fae

SHA1
30c2825da91d10c0b3d8652f4b58cc188b46f686

SHA256
a564a6dea0946fa52802c90d26a32b54c8375eb66e3405b36f3ed17f10abc7c8

SHA512
d4bbefdfd1b8a15ed988973a4e66a46ed3fdfadf72cf317aca9cacaa3141e3e4971dffdf670f98384cab91e1cc113e65a5cba2c7df32b32d876a303975389fce

Download Submit
C:\Users\Admin\AppData\Local\1543754bd461129912f79a0705840c17\Admin@UOKLYWYH_en-US\System\Process.txt

Filesize
4KB

MD5
06e72c311a49a30df28bf778a3727520

SHA1
d7cc9057fba60243255bcb5ca0158490f0207881

SHA256
ae8a2644b929977807ff525e5ff1ac62ce431f8758741e558b46d4b798209d62

SHA512
7f167e2ef973baa62ca5ee53a756b641a964b8bceba28bd81511fcebc10af45bf0cc7206510e89a9ae1820b686ceae7540e64365e885b87b4447718d16afb48c

Download Submit
C:\Users\Admin\AppData\Local\1543754bd461129912f79a0705840c17\Admin@UOKLYWYH_en-US\System\ProductKey.txt

Filesize
29B

MD5
71eb5479298c7afc6d126fa04d2a9bde

SHA1
a9b3d5505cf9f84bb6c2be2acece53cb40075113

SHA256
f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

SHA512
7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

Download Submit
C:\Users\Admin\AppData\Local\1543754bd461129912f79a0705840c17\msgid.dat

Filesize
19B

MD5
957b3222a8584fc78cab6224c3be07b5

SHA1
4ec7899eb57a49f0344818fe58b96ad782c4eeb3

SHA256
1d44c5d0cb7eb7b5d42e5f0460afe8297d4de8c1fd6a42598f61684f3b19630b

SHA512
3f0029d182a867038138fd155a791b8f3eb4ebacd16ec993ac49e6bc49bae315d5437da9ac39abcba18942efc56d4e51ae839ef2f0b24212d5b618306026de26

Download Submit
C:\Users\Admin\AppData\Local\Temp\Stealerium-Latest.log

Filesize
1KB

MD5
3b42ce7ecc98883d8f5b7733500f6662

SHA1
c42aed95e402e3894771ae848fa202342bd61dab

SHA256
6d2b763edf7cbef3c73dd3a9acbf3344d7a88771f0227fac08244cacbb5361f8

SHA512
d6f198535bc2f6aa9399e6326e911fd62b7bdb0c03939dfc23029e587253b245f9bd5be2676f39fc40e8d5a2f3a4f7aac6fad7b587554a56b83db4e0b8440bb0

Download Submit
memory/1020-8-0x0000000006CD0000-0x0000000006CDA000-memory.dmp

Filesize
40KB

Download
memory/1020-6-0x0000000005D50000-0x0000000005DF0000-memory.dmp

Filesize
640KB

Download
memory/1020-10-0x0000000006D00000-0x0000000006D1E000-memory.dmp

Filesize
120KB

Download
memory/1020-58-0x0000000007E30000-0x000000000832E000-memory.dmp

Filesize
5.0MB

Download
memory/1020-9-0x0000000006CE0000-0x0000000006CE8000-memory.dmp

Filesize
32KB

Download
memory/1020-0-0x0000000073B8E000-0x0000000073B8F000-memory.dmp

Filesize
4KB

Download
memory/1020-162-0x0000000007030000-0x00000000070AA000-memory.dmp

Filesize
488KB

Download
memory/1020-163-0x0000000073B8E000-0x0000000073B8F000-memory.dmp

Filesize
4KB

Download
memory/1020-7-0x0000000005DF0000-0x0000000005E16000-memory.dmp

Filesize
152KB

Download
memory/1020-50-0x0000000007750000-0x00000000077E2000-memory.dmp

Filesize
584KB

Download
memory/1020-3-0x0000000073B80000-0x000000007426E000-memory.dmp

Filesize
6.9MB

Download
memory/1020-2-0x0000000003370000-0x00000000033D6000-memory.dmp

Filesize
408KB

Download
memory/1020-232-0x0000000006EC0000-0x0000000006F72000-memory.dmp

Filesize
712KB

Download
memory/1020-234-0x0000000003160000-0x0000000003182000-memory.dmp

Filesize
136KB

Download
memory/1020-235-0x00000000096F0000-0x0000000009A40000-memory.dmp

Filesize
3.3MB

Download
memory/1020-236-0x0000000073B80000-0x000000007426E000-memory.dmp

Filesize
6.9MB

Download
memory/1020-1-0x0000000000E40000-0x0000000000FD6000-memory.dmp

Filesize
1.6MB

Download
memory/1020-248-0x00000000076D0000-0x00000000076DA000-memory.dmp

Filesize
40KB

Download