stealerium | 118929fa7bb48dd46b39a24144202096725293c56c310b56420ddf7976567710

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 23:22

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General

Target

Kirame.Host/Kirame.Host.exe
Size

1.6MB
MD5

c7085202e7a5620160f9d4fdf1219df2
SHA1

abe00b161c2f83ee83133b187262bf6289e88339
SHA256

00b2a7341252cef219c7070853a4e7cf4ce086a69de1c10ceee91fe8a6add013
SHA512

8f91ba27d9f83be857c12b2b9339ebd83f2f77c11f3d4610347de3f8a54321e25d1ff197596fc952da0920344990738a8de57921250e03c2c4bc340c4b4e7640
SSDEEP

24576:eQi2Q9NXw2/wPOjdGxYqfw+Jwz/S/6RZs8nVW6k5JHkARt7DBAqn+/:evTq24GjdGSgw+W7SCRnVQTEQ/BA8+

Score

10^/10

stealerium discovery stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1047654116228345967/dT7jUV207CYFaDTyw5AjhdZqXpjCIIxGZ_EDkNw3xvWyEvVdBpBpamsgIddePN8lC8mc

Signatures

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

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

Web Service

T1102

flow	ioc
6	discord.com
7	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
4	ip-api.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	cmd.exe
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	Kirame.Host.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2852	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1716	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2332	Kirame.Host.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2332	Kirame.Host.exe
Token: SeDebugPrivilege	1716	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2860	2332	Kirame.Host.exe	32
PID 2332 wrote to memory of 2860	2332	Kirame.Host.exe	32
PID 2332 wrote to memory of 2860	2332	Kirame.Host.exe	32
PID 2332 wrote to memory of 2860	2332	Kirame.Host.exe	32
PID 2860 wrote to memory of 2616	2860	cmd.exe	34
PID 2860 wrote to memory of 2616	2860	cmd.exe	34
PID 2860 wrote to memory of 2616	2860	cmd.exe	34
PID 2860 wrote to memory of 2616	2860	cmd.exe	34
PID 2860 wrote to memory of 1716	2860	cmd.exe	35
PID 2860 wrote to memory of 1716	2860	cmd.exe	35
PID 2860 wrote to memory of 1716	2860	cmd.exe	35
PID 2860 wrote to memory of 1716	2860	cmd.exe	35
PID 2860 wrote to memory of 2852	2860	cmd.exe	36
PID 2860 wrote to memory of 2852	2860	cmd.exe	36
PID 2860 wrote to memory of 2852	2860	cmd.exe	36
PID 2860 wrote to memory of 2852	2860	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\Kirame.Host\Kirame.Host.exe
"C:\Users\Admin\AppData\Local\Temp\Kirame.Host\Kirame.Host.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp3708.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2616
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 2332
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1716
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

C:\Users\Admin\AppData\Local\Temp\tmp3708.tmp.bat

Filesize
57B

MD5
37fbf5ae1c702cee76a60c256348eff9

SHA1
76f9cea7bb52f9019f0e29b19a711089f9827313

SHA256
c02dde98d3cc55b2dfc80196bbba6d478662a76a39ce5a7cb059a84a119e1deb

SHA512
66de8323937fedfb0f8cd03033c90b14e5c4efb991e1d31ed330bc04e795bae31a3e33431dc306f6b066dd63725f7805d7faa8cbdb5ace181fa257cd7e4a8677

Download Submit
memory/2332-0-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/2332-1-0x0000000001270000-0x0000000001408000-memory.dmp

Filesize
1.6MB

Download
memory/2332-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/2332-6-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/2332-10-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download