stealerium | 5a7f0ae453a4302dc288e00b6392923906ead1f181d338ab1c02a4a78f78593b

Analysis

max time kernel
1799s
max time network
1496s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
26-05-2024 16:40

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General

Target

build.exe
Size

1.6MB
MD5

5c51643f4c3ca737d3162d82840761c7
SHA1

dede91d3e74af7b5f67a65c0fffc2fc8ca349b32
SHA256

5a7f0ae453a4302dc288e00b6392923906ead1f181d338ab1c02a4a78f78593b
SHA512

8215fb4221a725918e6eb89cb7e755c185eff496e4b0d3116898411ac73841fffaed4ebfb1d1de512b61e676950b5ceec115f1533622a40ed1a51abf2ecb6468
SSDEEP

49152:ULTq24GjdGSiqkqXfd+/9AqYanieKdQc:UiEjdGSiqkqXf0FLYW

Score

10^/10

stealerium collection spyware stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1244281935228965048/sJAD8BhTylLJViwx58UHGY7unbr6jQqQZSC4HrgK1L_fWJYHE1waujg1JuSnxcq9zxf6

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium
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

Processes:

build.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe

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

Web Service
T1102

Processes:

flow ioc

1 discord.com
2 discord.com
12 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.

Processes:

flow ioc

1 icanhazip.com

flow	ioc
1	discord.com
2	discord.com
12	discord.com

flow	ioc
1	icanhazip.com

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

Processes:

build.exe

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 64 IoCs

Processes:

build.exe

pid	process
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe
4552	build.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

build.exe

pid process

4552 build.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

build.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 4552 build.exe
Token: SeSecurityPrivilege 4860 msiexec.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

build.exe

pid process

4552 build.exe

description	pid	process
Token: SeDebugPrivilege	4552	build.exe
Token: SeSecurityPrivilege	4860	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

build.execmd.execmd.exe

description	pid	process	target process
PID 4552 wrote to memory of 660	4552	build.exe	cmd.exe
PID 4552 wrote to memory of 660	4552	build.exe	cmd.exe
PID 4552 wrote to memory of 660	4552	build.exe	cmd.exe
PID 660 wrote to memory of 3124	660	cmd.exe	chcp.com
PID 660 wrote to memory of 3124	660	cmd.exe	chcp.com
PID 660 wrote to memory of 3124	660	cmd.exe	chcp.com
PID 660 wrote to memory of 4540	660	cmd.exe	netsh.exe
PID 660 wrote to memory of 4540	660	cmd.exe	netsh.exe
PID 660 wrote to memory of 4540	660	cmd.exe	netsh.exe
PID 660 wrote to memory of 768	660	cmd.exe	findstr.exe
PID 660 wrote to memory of 768	660	cmd.exe	findstr.exe
PID 660 wrote to memory of 768	660	cmd.exe	findstr.exe
PID 4552 wrote to memory of 2524	4552	build.exe	cmd.exe
PID 4552 wrote to memory of 2524	4552	build.exe	cmd.exe
PID 4552 wrote to memory of 2524	4552	build.exe	cmd.exe
PID 2524 wrote to memory of 3856	2524	cmd.exe	chcp.com
PID 2524 wrote to memory of 3856	2524	cmd.exe	chcp.com
PID 2524 wrote to memory of 3856	2524	cmd.exe	chcp.com
PID 2524 wrote to memory of 3360	2524	cmd.exe	netsh.exe
PID 2524 wrote to memory of 3360	2524	cmd.exe	netsh.exe
PID 2524 wrote to memory of 3360	2524	cmd.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

build.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe

outlook_win_path 1 IoCs

Processes:

build.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4552

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
2⤵
- Suspicious use of WriteProcessMemory
PID:660

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:3124

C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
3⤵
PID:4540

C:\Windows\SysWOW64\findstr.exe
findstr All
3⤵
PID:768

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
2⤵
- Suspicious use of WriteProcessMemory
PID:2524

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:3856

C:\Windows\SysWOW64\netsh.exe
netsh wlan show networks mode=bssid
3⤵
PID:3360

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4860

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Web Service

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\Browsers\Firefox\Bookmarks.txt
Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\Directories\OneDrive.txt
Filesize
25B

MD5
966247eb3ee749e21597d73c4176bd52

SHA1
1e9e63c2872cef8f015d4b888eb9f81b00a35c79

SHA256
8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

SHA512
bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\Directories\Startup.txt
Filesize
24B

MD5
68c93da4981d591704cea7b71cebfb97

SHA1
fd0f8d97463cd33892cc828b4ad04e03fc014fa6

SHA256
889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

SHA512
63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\Directories\Videos.txt
Filesize
23B

MD5
1fddbf1169b6c75898b86e7e24bc7c1f

SHA1
d2091060cb5191ff70eb99c0088c182e80c20f8c

SHA256
a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

SHA512
20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\System\Apps.txt
Filesize
1KB

MD5
d1827f02cf066a4447389396d52e74b7

SHA1
832f862e6c69bf102fdc0d22efac7fcbed4a889b

SHA256
59e1ac4a9368db5a13eefa65521d99e9530efbed4847433f10c351ac89b6f8cb

SHA512
613c4fb51775cdf3be5ca735bb7a583f17b4e035f714f1108a6ffe2374325f9e4d91e81a13c1ae74ae419fe2433dd3ca31c71631a3ee304f887b84d767006511

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\System\Apps.txt
Filesize
6KB

MD5
0188c7cc3aeecb97ca25ed830703ee50

SHA1
5d49ab1622be564882755ae25f7c74bec8ac3e08

SHA256
3d89ce4f07fddd5f55f9495da13637eb2b485c590e4f682b26a4a68ffb785c28

SHA512
e41d7ce6340a305c5c6de0df0488788e8f9d93c610cc81e46085555d4cc6f58c65c5fed5eb9fc7db0b6cd1589dbe689a77f9647c239340364e397d95fc44728c

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\System\Debug.txt
Filesize
1KB

MD5
4d46d8a668845e90c396d0d0c6153665

SHA1
4c2513064aa799832877b1cd1ed1279bb90e1120

SHA256
0e80d7a71c7dbb4b0ffca5e48a1bdfa9c57f5682719ec5e7546860a3efe73307

SHA512
a8f50f6af298f6c03a90a1c968e5f0069e57a8b56924f7d173affe2903710d45b300ee1f2d858e992293ab4651607049f02ef4b703e91078b1c915c3c1e396eb

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\System\Process.txt
Filesize
4KB

MD5
d8fbfdf681821ff27859c0e47027e896

SHA1
158cc84026d9839429e7ff9db549c45ff5dea23e

SHA256
20fff3f8405fb13151f9af14d6246dec27ab1c633c1ba196c669fe8db035b832

SHA512
c00e50385fc52b96c5c7f75ef802a8a7dc4c1d24707583b8d358156f3ba0f16d995bdf0f0301e76e06e1a742cd5e33adbe4c7badbd7353144e17d487a4b113ad

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\Admin@NGOMEWNG_en-US\System\ProductKey.txt
Filesize
29B

MD5
71eb5479298c7afc6d126fa04d2a9bde

SHA1
a9b3d5505cf9f84bb6c2be2acece53cb40075113

SHA256
f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

SHA512
7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

Download Submit
C:\Users\Admin\AppData\Local\9d53ce5289e487a61b8ad227a94186e2\msgid.dat
Filesize
19B

MD5
3a6d20510015bacc37b5970adf8b7fd9

SHA1
f5dbc82cb1ecc2efe21d312774b42cb6177e8eea

SHA256
43f47796b30ed3ef68965ee0a1ce773fb440c40135cf146db22702145df4c312

SHA512
75dc24e63182e2230700551a5fba3c98f6f285d153564100d378a132a8fc9cf879755b513340522256c5a30212f22c574b86195641f237ee595ad2a7e1d6ba20

Download Submit
memory/4552-3-0x0000000074350000-0x0000000074B01000-memory.dmp

Filesize
7.7MB

Download
memory/4552-10-0x0000000006D10000-0x0000000006D1A000-memory.dmp

Filesize
40KB

Download
memory/4552-74-0x0000000007DD0000-0x0000000008376000-memory.dmp

Filesize
5.6MB

Download
memory/4552-7-0x0000000005D30000-0x0000000005DC2000-memory.dmp

Filesize
584KB

Download
memory/4552-0-0x000000007435E000-0x000000007435F000-memory.dmp

Filesize
4KB

Download
memory/4552-12-0x0000000006D40000-0x0000000006D5E000-memory.dmp

Filesize
120KB

Download
memory/4552-195-0x0000000006E70000-0x0000000006EEA000-memory.dmp

Filesize
488KB

Download
memory/4552-9-0x0000000005DF0000-0x0000000005DF8000-memory.dmp

Filesize
32KB

Download
memory/4552-11-0x0000000006D20000-0x0000000006D28000-memory.dmp

Filesize
32KB

Download
memory/4552-69-0x0000000007780000-0x0000000007812000-memory.dmp

Filesize
584KB

Download
memory/4552-2-0x00000000057A0000-0x0000000005806000-memory.dmp

Filesize
408KB

Download
memory/4552-1-0x0000000000BC0000-0x0000000000D52000-memory.dmp

Filesize
1.6MB

Download
memory/4552-264-0x0000000007130000-0x00000000071E2000-memory.dmp

Filesize
712KB

Download
memory/4552-266-0x0000000006F30000-0x0000000006F52000-memory.dmp

Filesize
136KB

Download
memory/4552-267-0x0000000008580000-0x00000000088D7000-memory.dmp

Filesize
3.3MB

Download
memory/4552-8-0x0000000005DC0000-0x0000000005DE6000-memory.dmp

Filesize
152KB

Download
memory/4552-279-0x00000000076A0000-0x00000000076AA000-memory.dmp

Filesize
40KB

Download
memory/4552-280-0x000000007435E000-0x000000007435F000-memory.dmp

Filesize
4KB

Download
memory/4552-281-0x0000000074350000-0x0000000074B01000-memory.dmp

Filesize
7.7MB

Download