stealerium | 19c1b5795f8f1675c94119ba7d5c7f911a43b7164354f39e61923dc745be3770

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 01:13

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Bootstrapper.exe
Size 1.6MB
Sample240811-blk2lascke
SHA256 d762a5e5b2dfada4da317663a099935db399aff891ffeaa564e13d731851d330
MD5 9853ccf67f0c8a8733b42ea9752d7a08
SHA1 72911acd31e0931ad49672c27ed48a67153d470f
SHA512 60cd3dfe3a0bb438effb1d9ed2c471eac7553e47daf115e8aeb9bb3d92f589eab82ae5ea4965c84ce17b7f53a5b6af0b8939f5dc7e49ba0bdee66f7ff4b113d1
SSDEEP 49152:EcTq24GjdGSiqkqXfd+/9AqYanieKdYc:E9EjdGSiqkqXf0FLYW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealerium collection credential_access discovery persistence privilege_escalation spyware stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1271994620506804254/vYmBnPlhAIXoPt3lQIQeNKqDPEYR_BAjqEzTMLWpWFVn3_-wv-Mbnuplo9o-ZbRTgB3T

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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bootstrapper.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bootstrapper.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bootstrapper.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
24	discord.com
25	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
27	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 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
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
592	512	WerFault.exe	83

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	findstr.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bootstrapper.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
4256	cmd.exe
4848	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	Bootstrapper.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Bootstrapper.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe
512	Bootstrapper.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	512	Bootstrapper.exe
Token: SeSecurityPrivilege	4424	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 512 wrote to memory of 4256	512	Bootstrapper.exe	92
PID 512 wrote to memory of 4256	512	Bootstrapper.exe	92
PID 512 wrote to memory of 4256	512	Bootstrapper.exe	92
PID 4256 wrote to memory of 3828	4256	cmd.exe	95
PID 4256 wrote to memory of 3828	4256	cmd.exe	95
PID 4256 wrote to memory of 3828	4256	cmd.exe	95
PID 4256 wrote to memory of 4848	4256	cmd.exe	96
PID 4256 wrote to memory of 4848	4256	cmd.exe	96
PID 4256 wrote to memory of 4848	4256	cmd.exe	96
PID 4256 wrote to memory of 3724	4256	cmd.exe	97
PID 4256 wrote to memory of 3724	4256	cmd.exe	97
PID 4256 wrote to memory of 3724	4256	cmd.exe	97
PID 512 wrote to memory of 5092	512	Bootstrapper.exe	101
PID 512 wrote to memory of 5092	512	Bootstrapper.exe	101
PID 512 wrote to memory of 5092	512	Bootstrapper.exe	101
PID 5092 wrote to memory of 1536	5092	cmd.exe	103
PID 5092 wrote to memory of 1536	5092	cmd.exe	103
PID 5092 wrote to memory of 1536	5092	cmd.exe	103
PID 5092 wrote to memory of 5048	5092	cmd.exe	104
PID 5092 wrote to memory of 5048	5092	cmd.exe	104
PID 5092 wrote to memory of 5048	5092	cmd.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bootstrapper.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bootstrapper.exe

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.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 WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:512
- 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:4256
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3828
- - 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:4848
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3724
- 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:5092
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1536
- - 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:5048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 3052
  2⤵
  - Program crash
  PID:592

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 512 -ip 512
1⤵
PID:2308

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

Loading Replay Monitor...

Downloads

Bookmarks.txt

Path C:\Users\Admin\AppData\Local\54b67c7ab526214e3916960d08d333d2\Admin@OARDHGDN_en-US\Browsers\Firefox\Bookmarks.txt
Size 105B
SHA256 c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
MD5 2e9d094dda5cdc3ce6519f75943a4ff4
SHA1 5d989b4ac8b699781681fe75ed9ef98191a5096c
SHA512 d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
MD5 SHA1 SHA512

Submit Download

OneDrive.txt

Path C:\Users\Admin\AppData\Local\54b67c7ab526214e3916960d08d333d2\Admin@OARDHGDN_en-US\Directories\OneDrive.txt
Size 25B
SHA256 8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e
MD5 966247eb3ee749e21597d73c4176bd52
SHA1 1e9e63c2872cef8f015d4b888eb9f81b00a35c79
SHA512 bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa
MD5 SHA1 SHA512

Submit Download

Startup.txt

Path C:\Users\Admin\AppData\Local\54b67c7ab526214e3916960d08d333d2\Admin@OARDHGDN_en-US\Directories\Startup.txt
Size 24B
SHA256 889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483
MD5 68c93da4981d591704cea7b71cebfb97
SHA1 fd0f8d97463cd33892cc828b4ad04e03fc014fa6
SHA512 63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402
MD5 SHA1 SHA512

Submit Download

Videos.txt

Path C:\Users\Admin\AppData\Local\54b67c7ab526214e3916960d08d333d2\Admin@OARDHGDN_en-US\Directories\Videos.txt
Size 23B
SHA256 a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733
MD5 1fddbf1169b6c75898b86e7e24bc7c1f
SHA1 d2091060cb5191ff70eb99c0088c182e80c20f8c
SHA512 20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d
MD5 SHA1 SHA512

Submit Download

Apps.txt

Path C:\Users\Admin\AppData\Local\54b67c7ab526214e3916960d08d333d2\Admin@OARDHGDN_en-US\System\Apps.txt
Size 6KB
SHA256 a3d095f01142887308c8c5cee785fae34b74b089c5fc14ba14b598ad108baf06
MD5 08fbe8e03743ab84f352f9c5bce42e92
SHA1 55c5533ee9bfee24e3396bea6d6f68b72fbb86f7
SHA512 08e48e9409dcfcd1f37ef677083cb05f434c81d757c4578b707c304307ad28451589ba7c4e59ec16461cc3307bd15a7e210830d76f0197b5018a4d50c9455d7d
SSDEEP 192:wpu/pu3pu9jUZE5mRA2Xw2XE5jj8JsJki2iKRxiJ8cCcdAd8TcRRwWpw51iOiBLx:wkqO4isK2A2UxA2Ch/Xi8cCi48Tmuaw0
MD5 SHA1 SHA512 SSDEEP

Submit Download

Debug.txt

Path C:\Users\Admin\AppData\Local\54b67c7ab526214e3916960d08d333d2\Admin@OARDHGDN_en-US\System\Debug.txt
Size 1KB
SHA256 16205e4dfc3b42da5fef24693cd8b46963f56c8b6136af1518c833baa1a2b3cd
MD5 8214fdfb884eab5b97ea7b252dc80385
SHA1 f7c5f3d597bb1ea71231d91674546c748162f5e7
SHA512 5ebbb93e6a0b7f1703c66bb04b5ea88514777060238f5648a56432164eca0bf23ee01f4b97093aafd4cbd35119bb1c2a4f354ca6630bfd3ed1d1409adb3f40c8
MD5 SHA1 SHA512

Submit Download

Process.txt

Path C:\Users\Admin\AppData\Local\54b67c7ab526214e3916960d08d333d2\Admin@OARDHGDN_en-US\System\Process.txt
Size 4KB
SHA256 235361f1275a996c43a3d86f03defae768ee79076de44c3d941e9d80589c8e3f
MD5 e4fb6abc9ab3d176d8ea7b5de95d6447
SHA1 c4ada2db210efd30b55ef4f4e26ca8ec57c7030a
SHA512 1bd813bfe50a949eba163d63152559cfa3a67d4d66a8ffd7f40744a668caaf550d6f11c18c0ca3352eee18089e8db1c686fd4d129d3561dd9cd7157c12243fbe
SSDEEP 48:RtUALFMub1u5StkVkDVsDoahne2OkUdpYHc9DTcIaVbclF:RtUgquB3yV4teneZkUd2MTc9Vwv
MD5 SHA1 SHA512 SSDEEP

Submit Download

ProductKey.txt

Path C:\Users\Admin\AppData\Local\54b67c7ab526214e3916960d08d333d2\Admin@OARDHGDN_en-US\System\ProductKey.txt
Size 29B
SHA256 f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3
MD5 71eb5479298c7afc6d126fa04d2a9bde
SHA1 a9b3d5505cf9f84bb6c2be2acece53cb40075113
SHA512 7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd
MD5 SHA1 SHA512

Submit Download

memory/512-8-0x0000000005480000-0x00000000054A6000-memory.dmp

Download

memory/512-205-0x0000000006640000-0x00000000066BA000-memory.dmp

Download

memory/512-11-0x0000000006540000-0x0000000006548000-memory.dmp

Download

memory/512-69-0x0000000006850000-0x00000000068E2000-memory.dmp

Download

memory/512-74-0x0000000007290000-0x0000000007834000-memory.dmp

Download

memory/512-10-0x0000000006530000-0x000000000653A000-memory.dmp

Download

memory/512-9-0x00000000054B0000-0x00000000054B8000-memory.dmp

Download

memory/512-12-0x0000000006560000-0x000000000657E000-memory.dmp

Download

memory/512-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Download

memory/512-7-0x00000000053F0000-0x0000000005482000-memory.dmp

Download

memory/512-3-0x0000000074EB0000-0x0000000075660000-memory.dmp

Download

memory/512-2-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Download

memory/512-1-0x0000000000340000-0x00000000004D4000-memory.dmp

Download

memory/512-278-0x0000000006920000-0x00000000069D2000-memory.dmp

Download

memory/512-280-0x0000000074EB0000-0x0000000075660000-memory.dmp

Download