stealerium | 210e7db64ff80fa014969eb3705e3b4552ca419968ada35f3940ce979d1e0d00

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 03:31

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General

Target

build.exe
Size

1.6MB
MD5

d68ae12f41cab5625775f03155334c9b
SHA1

1bebf42ac39c0eb1cf4cc60fe5f69c0102dadf90
SHA256

210e7db64ff80fa014969eb3705e3b4552ca419968ada35f3940ce979d1e0d00
SHA512

df33322cb9cf4eb927b54f7ce1d1bfe3dc164d3368f52dae0aecee791221824dfb1c580262ff1d5fdbf20b920b709560437b6c193e66791dcd8a0ad5c3b8a0d2
SSDEEP

49152:7kTq24GjdGSiqkqXfd+/9AqYanieKdsn:71EjdGSiqkqXf0FLYW

Score

10^/10

stealerium collection credential_access discovery persistence privilege_escalation spyware stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1283622190981578844/K30yEdAdRuIKIXwjRibJNrPv8YeY-MquaeyZte1SFFrBxkprI8ktyHemlwHKn1anGJwO

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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe

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

Web Service

T1102

flow	ioc
13	discord.com
14	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
16	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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2080	2968	WerFault.exe	82

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	build.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1676	cmd.exe
1756	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	build.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	build.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe
2968	build.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	build.exe
Token: SeSecurityPrivilege	3968	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 1676	2968	build.exe	91
PID 2968 wrote to memory of 1676	2968	build.exe	91
PID 2968 wrote to memory of 1676	2968	build.exe	91
PID 1676 wrote to memory of 2324	1676	cmd.exe	94
PID 1676 wrote to memory of 2324	1676	cmd.exe	94
PID 1676 wrote to memory of 2324	1676	cmd.exe	94
PID 1676 wrote to memory of 1756	1676	cmd.exe	96
PID 1676 wrote to memory of 1756	1676	cmd.exe	96
PID 1676 wrote to memory of 1756	1676	cmd.exe	96
PID 1676 wrote to memory of 788	1676	cmd.exe	97
PID 1676 wrote to memory of 788	1676	cmd.exe	97
PID 1676 wrote to memory of 788	1676	cmd.exe	97
PID 2968 wrote to memory of 972	2968	build.exe	100
PID 2968 wrote to memory of 972	2968	build.exe	100
PID 2968 wrote to memory of 972	2968	build.exe	100
PID 972 wrote to memory of 1212	972	cmd.exe	102
PID 972 wrote to memory of 1212	972	cmd.exe	102
PID 972 wrote to memory of 1212	972	cmd.exe	102
PID 972 wrote to memory of 4680	972	cmd.exe	103
PID 972 wrote to memory of 4680	972	cmd.exe	103
PID 972 wrote to memory of 4680	972	cmd.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.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:2968
- 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:1676
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2324
- - 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:1756
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:788
- 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:972
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1212
- - 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:4680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 1656
  2⤵
  - Program crash
  PID:2080

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2968 -ip 2968
1⤵
PID:4420

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

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Downloads

C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\Directories\OneDrive.txt

Filesize
25B

MD5
966247eb3ee749e21597d73c4176bd52

SHA1
1e9e63c2872cef8f015d4b888eb9f81b00a35c79

SHA256
8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

SHA512
bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

Download Submit
C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\Directories\Startup.txt

Filesize
24B

MD5
68c93da4981d591704cea7b71cebfb97

SHA1
fd0f8d97463cd33892cc828b4ad04e03fc014fa6

SHA256
889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

SHA512
63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

Download Submit
C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\Directories\Videos.txt

Filesize
23B

MD5
1fddbf1169b6c75898b86e7e24bc7c1f

SHA1
d2091060cb5191ff70eb99c0088c182e80c20f8c

SHA256
a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

SHA512
20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

Download Submit
C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\System\Apps.txt

Filesize
2KB

MD5
0cb429893c915be16237a42f5108f0c3

SHA1
1c0c808bd64c2ecf00db752b5ecee7d6e238e121

SHA256
96109925aea38cf3d8b9fa684fa96253444bf5ac23bf6518df7a98fa3e40dc67

SHA512
a2acb30ee767af45cbd00e4e29223dbe99ec26c0f52b92d2bdcd6a042dd75113bc3e3677b1ae115ac52a53fbe45dedbd08b46bdb71c00f9c69ffe25f1101fcff

Download Submit
C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\System\Apps.txt

Filesize
6KB

MD5
68a68b8223626b9e4c828a0fe2699faf

SHA1
3694b934ffe211ef5a7c248c4740833507bc4b5f

SHA256
4c3263ef73d88e2e506edca81d04ee5f4d38bf8e1a0e2ae7885dfe0d5e686bde

SHA512
a95ef42e5dc1269ffbd708bde95ea41dd2ca76ceb1797ce15ea1d305a9dd22e6a0e1cc5da49be6d1aa254303b11391dcdc73b6658fc32e2703bc31fb8624e07a

Download Submit
C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\System\Debug.txt

Filesize
1007B

MD5
b39256260ab4932d118529c04d1ace43

SHA1
2e098acddae15b8c1be9c5876e956542fe26381f

SHA256
702ec216e26d1a254437ca45b65e906993ecf3a67ecfd3ed76cfea0a7040ffd6

SHA512
17d081ed15b017d620818d8a86914b8eacd4e00fee0a898240dce4a35865c3832c07ae2b1b250a13f37bb3af911cdf44e4699b06ff0f76dbb2fa01af7163f510

Download Submit
C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\System\Process.txt

Filesize
4KB

MD5
d18409c7925cd731a4271c4c4246b9c0

SHA1
5633820d50955ceaae33cbdcd7c09ac6c252b2d8

SHA256
42a5a2250aca12129602d15eb640b058e82657fa68853315a673f4349f9373c2

SHA512
67bf6dd5a3ffacb15bd4941cf61bd8c23d49afb7f38f04534063e0cef3610c01d6cdb53197db49a09891c7dddf9fb4bc96e864ab1c35c21e46e95041ffdd9e57

Download Submit
C:\Users\Admin\AppData\Local\24f9574ea5b6e500dba3f47013a032d3\Admin@KVIWLPUJ_en-US\System\ProductKey.txt

Filesize
29B

MD5
71eb5479298c7afc6d126fa04d2a9bde

SHA1
a9b3d5505cf9f84bb6c2be2acece53cb40075113

SHA256
f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

SHA512
7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

Download Submit
memory/2968-73-0x00000000081F0000-0x0000000008794000-memory.dmp

Filesize
5.6MB

Download
memory/2968-204-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download
memory/2968-72-0x0000000007600000-0x0000000007692000-memory.dmp

Filesize
584KB

Download
memory/2968-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2968-10-0x0000000007000000-0x0000000007008000-memory.dmp

Filesize
32KB

Download
memory/2968-9-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

Filesize
40KB

Download
memory/2968-8-0x00000000060D0000-0x00000000060D8000-memory.dmp

Filesize
32KB

Download
memory/2968-184-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2968-203-0x0000000007110000-0x000000000718A000-memory.dmp

Filesize
488KB

Download
memory/2968-11-0x0000000007020000-0x000000000703E000-memory.dmp

Filesize
120KB

Download
memory/2968-7-0x00000000060A0000-0x00000000060C6000-memory.dmp

Filesize
152KB

Download
memory/2968-6-0x0000000006010000-0x00000000060A2000-memory.dmp

Filesize
584KB

Download
memory/2968-3-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download
memory/2968-2-0x0000000005A80000-0x0000000005AE6000-memory.dmp

Filesize
408KB

Download
memory/2968-1-0x0000000000F70000-0x0000000001102000-memory.dmp

Filesize
1.6MB

Download
memory/2968-277-0x0000000007320000-0x00000000073D2000-memory.dmp

Filesize
712KB

Download
memory/2968-279-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download