stealerium | ffa7f0b955e42bdcc07730ba6468a6605cd4614e9a1f2a0e8ff5c23b00a2d0ae

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 10:16

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General

Target

5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe
Size

1.6MB
MD5

5e35f5434e9cdfd4a827bbe241fbf520
SHA1

402ae470d4bcbbcb36dd62ec0468477c35c400b3
SHA256

ffa7f0b955e42bdcc07730ba6468a6605cd4614e9a1f2a0e8ff5c23b00a2d0ae
SHA512

b59d1645a31c8d94ee833fe5a1e540e68c0757912bfdda65038632cecb993ace03ef400e2abec3410b00000beb1cd57f24f75107b0db39ffa96922396ebd54f6
SSDEEP

49152:7kTq24GjdGSiqkqXfd+/9AqYanieKdsI:71EjdGSiqkqXf0FLYW

Score

10^/10

stealerium stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1236766417727262752/FZOV11M1fjoLR4WnczxZKrX-g_v-VDKt6qaLWx656lTKl91yaMPLXY68g9mDH1EKLOrD

Signatures

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

Processes:

5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe

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

Web Service
T1102

Processes:

flow ioc

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

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4732 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3124 taskkill.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe

pid process

4632 5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 4632 5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe
Token: SeDebugPrivilege 3124 taskkill.exe

flow	ioc
25	discord.com
26	discord.com

pid	process
4732	timeout.exe

pid	process
3124	taskkill.exe

pid	process
4632	5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe

description	pid	process
Token: SeDebugPrivilege	4632	5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe
Token: SeDebugPrivilege	3124	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.execmd.exe

description	pid	process	target process
PID 4632 wrote to memory of 1364	4632	5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe	cmd.exe
PID 4632 wrote to memory of 1364	4632	5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe	cmd.exe
PID 4632 wrote to memory of 1364	4632	5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe	cmd.exe
PID 1364 wrote to memory of 1940	1364	cmd.exe	chcp.com
PID 1364 wrote to memory of 1940	1364	cmd.exe	chcp.com
PID 1364 wrote to memory of 1940	1364	cmd.exe	chcp.com
PID 1364 wrote to memory of 3124	1364	cmd.exe	taskkill.exe
PID 1364 wrote to memory of 3124	1364	cmd.exe	taskkill.exe
PID 1364 wrote to memory of 3124	1364	cmd.exe	taskkill.exe
PID 1364 wrote to memory of 4732	1364	cmd.exe	timeout.exe
PID 1364 wrote to memory of 4732	1364	cmd.exe	timeout.exe
PID 1364 wrote to memory of 4732	1364	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp5479.tmp.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:1364

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:1940

C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 4632
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3124

C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
3⤵
- Delays execution with timeout.exe
PID:4732

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5479.tmp.bat
Filesize
57B

MD5
b9ad840a10adea46f66484e1ca154859

SHA1
8ebac629da932e24db6cfd75d02a2e6bc1c9e260

SHA256
84e30e00bfefd06d3798488bb13199f182e9ca68215e1b38607e79ecb6789fe4

SHA512
79d7a490a4ae0147091744eda2dbdc009d05889668d4f600207a0f3a5380577d8b6ce28859eb6f069e43b55e7178d2aa3eb9a24e7bba50b85acf21096dfce108

Download Submit
memory/4632-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4632-1-0x00000000008D0000-0x0000000000A62000-memory.dmp

Filesize
1.6MB

Download
memory/4632-2-0x00000000052F0000-0x0000000005356000-memory.dmp

Filesize
408KB

Download
memory/4632-3-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-6-0x0000000005840000-0x00000000058D2000-memory.dmp

Filesize
584KB

Download
memory/4632-8-0x0000000005900000-0x0000000005908000-memory.dmp

Filesize
32KB

Download
memory/4632-7-0x00000000058D0000-0x00000000058F6000-memory.dmp

Filesize
152KB

Download
memory/4632-13-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download