stealerium | ac82016516585cfb76c36a0808d84b263119b148f6a7aa7ab9d221d616954025

General

Target

5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe
Size

1.6MB
MD5

5fe0d791433b06792c910857a72fca50
SHA1

0dedb715e809b5c5666bd8c9598f1ef2da405d1b
SHA256

ac82016516585cfb76c36a0808d84b263119b148f6a7aa7ab9d221d616954025
SHA512

9100856b77af8d1678adf33c4e0e7f643158a4be7937eb63ee05a5f06c6c5790a06cb4ad7660ac1bcd858160916d609d3c90f3690eb652481baa1280486bda9d
SSDEEP

49152:1kTq24GjdGSiqkqXfd+/9AqYanieKds6:11EjdGSiqkqXf0FLYW

Score

10^/10

stealerium stealer

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1237701622168158289/yCA4XMxxNf2MMWFp1FwpefUD1pLGH0mhT_TQTwndsr1dAVvybWr3hp5JZAVJm0HcEBh8

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

2 discord.com
3 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

1368 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1484 taskkill.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe

pid process

1632 5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 1632 5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe
Token: SeDebugPrivilege 1484 taskkill.exe

flow	ioc
2	discord.com
3	discord.com

pid	process
1368	timeout.exe

pid	process
1484	taskkill.exe

pid	process
1632	5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe

description	pid	process
Token: SeDebugPrivilege	1632	5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe
Token: SeDebugPrivilege	1484	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

5fe0d791433b06792c910857a72fca50_NeikiAnalytics.execmd.exe

description	pid	process	target process
PID 1632 wrote to memory of 2904	1632	5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe	cmd.exe
PID 1632 wrote to memory of 2904	1632	5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe	cmd.exe
PID 1632 wrote to memory of 2904	1632	5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe	cmd.exe
PID 1632 wrote to memory of 2904	1632	5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe	cmd.exe
PID 2904 wrote to memory of 1716	2904	cmd.exe	chcp.com
PID 2904 wrote to memory of 1716	2904	cmd.exe	chcp.com
PID 2904 wrote to memory of 1716	2904	cmd.exe	chcp.com
PID 2904 wrote to memory of 1716	2904	cmd.exe	chcp.com
PID 2904 wrote to memory of 1484	2904	cmd.exe	taskkill.exe
PID 2904 wrote to memory of 1484	2904	cmd.exe	taskkill.exe
PID 2904 wrote to memory of 1484	2904	cmd.exe	taskkill.exe
PID 2904 wrote to memory of 1484	2904	cmd.exe	taskkill.exe
PID 2904 wrote to memory of 1368	2904	cmd.exe	timeout.exe
PID 2904 wrote to memory of 1368	2904	cmd.exe	timeout.exe
PID 2904 wrote to memory of 1368	2904	cmd.exe	timeout.exe
PID 2904 wrote to memory of 1368	2904	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\5fe0d791433b06792c910857a72fca50_NeikiAnalytics.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp4062.tmp.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:2904

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:1716

C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 1632
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1484

C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
3⤵
- Delays execution with timeout.exe
PID:1368

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab3F92.tmp
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3FC3.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4062.tmp.bat
Filesize
57B

MD5
eabeddffe7aab0b4538303a4ca0c831a

SHA1
3df0727455ff18a75b24e3678bfc37496567de66

SHA256
4a8215eb090f23f7974479c60387cf0a29fcf57b479142055faa023a70b90489

SHA512
e7bb3368f22b5d6a1efbbc8c637706168cd345e305ffd3ffdf4dacc17cbedc0ba08147ed7e5e9bbcfe8fd0e9ae2f40b843e06ac7735f6fde7d8ef431dc36feee

Download Submit
memory/1632-0-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1632-1-0x00000000000A0000-0x0000000000232000-memory.dmp

Filesize
1.6MB

Download
memory/1632-2-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-6-0x0000000004440000-0x00000000044D2000-memory.dmp

Filesize
584KB

Download
memory/1632-7-0x0000000001FB0000-0x0000000001FD6000-memory.dmp

Filesize
152KB

Download
memory/1632-8-0x0000000000A30000-0x0000000000A38000-memory.dmp

Filesize
32KB

Download
memory/1632-47-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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