stealerium | 116d51aa097e582fcddc683dba38a8d58379d842d86749759a39b8787a816da0

General

Target

USBDeviceDriver.exe
Size

1.6MB
MD5

6c573478bb39b6c75c4b5638a56220b7
SHA1

26a519cf4cf34aeaccd8084e8f41ecad695216d3
SHA256

116d51aa097e582fcddc683dba38a8d58379d842d86749759a39b8787a816da0
SHA512

2b36dd9f9f3af2a6d2eea7c5dcb872e06b095349fc133a77ff427267ead0b3f454b4aebd83b44b4fa3dea771c9ed5f2b3875d29dcb04a192017549431419db94
SSDEEP

49152:RcfTq24GjdGSiqkqXfd+/9AqYanieKdQ7:RcOEjdGSiqkqXf0FLYW

Score

10^/10

stealerium collection credential_access discovery persistence privilege_escalation spyware stealer

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1280955822868008990/uc6CjchX7Q8HfidEPNcoXcUpOOaF9I7SdZrxVEPNz0GcWiC3unwZgAsmKbHqyhYW590_

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-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	USBDeviceDriver.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	USBDeviceDriver.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	USBDeviceDriver.exe

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

Web Service

T1102

flow	ioc
14	discord.com
15	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
17	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
3760	4716	WerFault.exe	89

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	USBDeviceDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com

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
3860	cmd.exe
4620	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	USBDeviceDriver.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	USBDeviceDriver.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe
4716	USBDeviceDriver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4716	USBDeviceDriver.exe
Token: SeSecurityPrivilege	3684	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 3860	4716	USBDeviceDriver.exe	98
PID 4716 wrote to memory of 3860	4716	USBDeviceDriver.exe	98
PID 4716 wrote to memory of 3860	4716	USBDeviceDriver.exe	98
PID 3860 wrote to memory of 4296	3860	cmd.exe	101
PID 3860 wrote to memory of 4296	3860	cmd.exe	101
PID 3860 wrote to memory of 4296	3860	cmd.exe	101
PID 3860 wrote to memory of 4620	3860	cmd.exe	102
PID 3860 wrote to memory of 4620	3860	cmd.exe	102
PID 3860 wrote to memory of 4620	3860	cmd.exe	102
PID 3860 wrote to memory of 4368	3860	cmd.exe	103
PID 3860 wrote to memory of 4368	3860	cmd.exe	103
PID 3860 wrote to memory of 4368	3860	cmd.exe	103
PID 4716 wrote to memory of 5024	4716	USBDeviceDriver.exe	106
PID 4716 wrote to memory of 5024	4716	USBDeviceDriver.exe	106
PID 4716 wrote to memory of 5024	4716	USBDeviceDriver.exe	106
PID 5024 wrote to memory of 1204	5024	cmd.exe	109
PID 5024 wrote to memory of 1204	5024	cmd.exe	109
PID 5024 wrote to memory of 1204	5024	cmd.exe	109
PID 5024 wrote to memory of 3444	5024	cmd.exe	110
PID 5024 wrote to memory of 3444	5024	cmd.exe	110
PID 5024 wrote to memory of 3444	5024	cmd.exe	110

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	USBDeviceDriver.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	USBDeviceDriver.exe

C:\Users\Admin\AppData\Local\Temp\USBDeviceDriver.exe
"C:\Users\Admin\AppData\Local\Temp\USBDeviceDriver.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:4716
- 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:3860
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4296
- - 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:4620
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4368
- 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:5024
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1204
- - 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:3444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 2740
  2⤵
  - Program crash
  PID:3760

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4056,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:8
1⤵
PID:4912

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4716 -ip 4716
1⤵
PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\637bb600aa9318a79aa6086a47623385\Admin@SYMRKCCU_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\637bb600aa9318a79aa6086a47623385\Admin@SYMRKCCU_en-US\Directories\OneDrive.txt

Filesize
25B

MD5
966247eb3ee749e21597d73c4176bd52

SHA1
1e9e63c2872cef8f015d4b888eb9f81b00a35c79

SHA256
8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

SHA512
bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

Download Submit
C:\Users\Admin\AppData\Local\637bb600aa9318a79aa6086a47623385\Admin@SYMRKCCU_en-US\Directories\Startup.txt

Filesize
24B

MD5
68c93da4981d591704cea7b71cebfb97

SHA1
fd0f8d97463cd33892cc828b4ad04e03fc014fa6

SHA256
889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

SHA512
63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

Download Submit
C:\Users\Admin\AppData\Local\637bb600aa9318a79aa6086a47623385\Admin@SYMRKCCU_en-US\Directories\Videos.txt

Filesize
23B

MD5
1fddbf1169b6c75898b86e7e24bc7c1f

SHA1
d2091060cb5191ff70eb99c0088c182e80c20f8c

SHA256
a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

SHA512
20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

Download Submit
C:\Users\Admin\AppData\Local\637bb600aa9318a79aa6086a47623385\Admin@SYMRKCCU_en-US\System\Apps.txt

Filesize
6KB

MD5
a2e0efc6b1f8a1223025667e0d2d4d0b

SHA1
849e0e2879d6fd8b275c374f1470fc782ee92810

SHA256
bcb69dcdf9950129ba52c0218e0af164477ebe944c54f8d9cd4bac83941ffbb9

SHA512
681a5fe76b8e530fb31bff3691eec151b54bea6241c26556faded5c01d9e2e437345897a06ee2416a0c19442d32bde9638e8d546e5270429b93f899cecc0ff0f

Download Submit
C:\Users\Admin\AppData\Local\637bb600aa9318a79aa6086a47623385\Admin@SYMRKCCU_en-US\System\Process.txt

Filesize
4KB

MD5
fee822f9a94daa25070aa1bfeac7a148

SHA1
f24d7133899aec0af98018326868ff7fda8b6d8e

SHA256
483c04cc5d7eba4072d47ba6fe56d5bde3947b500b6a8135eba12e788af3c958

SHA512
37b17ea0f700245a7ad03947afca0f4d1d1c357d35e30588b7d056108617009418fb61d48b1653728fd1a1ab1a6f44c730b013d0083ba2ed8fae31cee31ca19e

Download Submit
C:\Users\Admin\AppData\Local\637bb600aa9318a79aa6086a47623385\Admin@SYMRKCCU_en-US\System\ProductKey.txt

Filesize
29B

MD5
71eb5479298c7afc6d126fa04d2a9bde

SHA1
a9b3d5505cf9f84bb6c2be2acece53cb40075113

SHA256
f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

SHA512
7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

Download Submit
memory/4716-6-0x0000000005E10000-0x0000000005E18000-memory.dmp

Filesize
32KB

Download
memory/4716-185-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4716-9-0x0000000007020000-0x000000000703E000-memory.dmp

Filesize
120KB

Download
memory/4716-7-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

Filesize
40KB

Download
memory/4716-59-0x0000000007760000-0x00000000077F2000-memory.dmp

Filesize
584KB

Download
memory/4716-61-0x0000000007DF0000-0x0000000008394000-memory.dmp

Filesize
5.6MB

Download
memory/4716-117-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/4716-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/4716-5-0x0000000005F40000-0x0000000005F66000-memory.dmp

Filesize
152KB

Download
memory/4716-8-0x0000000007000000-0x0000000007008000-memory.dmp

Filesize
32KB

Download
memory/4716-198-0x0000000007120000-0x000000000719A000-memory.dmp

Filesize
488KB

Download
memory/4716-4-0x0000000005EB0000-0x0000000005F42000-memory.dmp

Filesize
584KB

Download
memory/4716-3-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4716-2-0x0000000005A20000-0x0000000005A86000-memory.dmp

Filesize
408KB

Download
memory/4716-1-0x0000000000F00000-0x0000000001092000-memory.dmp

Filesize
1.6MB

Download
memory/4716-265-0x0000000007840000-0x00000000078F2000-memory.dmp

Filesize
712KB

Download
memory/4716-266-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads