stealerium | 08998e78c6c92ce6d668ed199a6e15fb29575930b0cd63b00b7580aa967332f4

Analysis

user interaction
yes
max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/06/2026, 15:36

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General

Target
build.exe
Size 1.5MB
Sample260624-s19ryads41
SHA256 08998e78c6c92ce6d668ed199a6e15fb29575930b0cd63b00b7580aa967332f4
MD5 2ed814ef2d59f33bcfd1fd1e80f1398a
SHA1 ffe7a99f7fd5b07d8906db2454c57a4781f333a8
SHA512 922d1632f1b2bff8b1e5864bc37e1f681006df20deb58487053df55456de65f1705370a932c4e87fd7d406b79e9e78efa291861492f7949504af883a52ebda13
SSDEEP 24576:HSi2Q9NXw2/wPOjdGxYqfw+Jwz/S/6RZs8nVW6k5JHkARt7DBAqnQ1:FTq24GjdGSgw+W7SCRnVQTEQ/BA8
TLSH
T1AE751294B3E90D04F3FF6FF5ACF100659671F8279912D64E2889205C0F26F8A9D61BA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery stealerium stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1519352843222646946/lxOWlhiz3_Ae4jt9FQDhqXqJHbfH9DFViRkYbeAkSSqE02hpSrzw5JiVNN6IvmXgXxV9

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation	build.exe

Contacts third-party web service commonly abused for C2 1 TTPs 1 IoCs

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Web Service

T1102

flow	ioc
5	discord.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	build.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3372	timeout.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
3796	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3324	build.exe
Token: SeDebugPrivilege	3796	taskkill.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3324 wrote to memory of 3064	3324	build.exe	98
PID 3064 wrote to memory of 3820	3064	cmd.exe	100
PID 3064 wrote to memory of 3796	3064	cmd.exe	101
PID 3064 wrote to memory of 3372	3064	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpBACA.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3820
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 3324
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3796
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3372

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

tmpBACA.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpBACA.tmp.bat
Size 57B
SHA256 a23138fde42a3d5b8e3b811d19e340f2c2a6d8641820f7768a3ac85e927c3032
MD5 b5e20a0fbb0bb6305137fd48f927c058
SHA1 c77014f584215c7aa62c9bcfaee333e5db122365
SHA512 f261aa11a52a3c9f10086dd24b09190cad93eae2152df794862f25226519c589b2b17b9df6f3a3343d12f11eb946b623c3fe8abd56a8ef7ceca3af503e7687e3
TLSH
T1F790026514128616241D21D1EC153275A098E1594AE85A812145519545449B91D0A1C0
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3324-0-0x0000000000670000-0x00000000007F4000-memory.dmp

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memory/3324-1-0x0000000005220000-0x0000000005286000-memory.dmp

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memory/3324-2-0x00000000052F0000-0x0000000005300000-memory.dmp

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memory/3324-3-0x00000000052F0000-0x0000000005300000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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