stealc | 1c1c1ba5ae7254753bd8299de1045c9adc3de76d5bc10272971b2fdbb2564797

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/06/2024, 03:09

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General

Target
869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe
Size 2.4MB
Sample240608-dnh15aha27
SHA256 1c1c1ba5ae7254753bd8299de1045c9adc3de76d5bc10272971b2fdbb2564797
MD5 869b8d88b099d09b465236af226c4b30
SHA1 289ab1a8c8cddd5d2f41b5e597920250b1526ec2
SHA512 d3d97d9648aa72dbf681320db3222d3170e6bbca987cd8fc55ca10911186c58da8f4b4f3997e9aab2cc380815fb79a847ce2bca9e37f4507f7559928308de43a
SSDEEP 49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Signatures

Detect Vidar Stealer 8 IoCs

stealer

resource	yara_rule
behavioral2/memory/2848-1-0x00000000029A0000-0x0000000002AEC000-memory.dmp	family_vidar_v7
behavioral2/memory/4568-4-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4568-9-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4568-10-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4568-13-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4568-14-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4568-31-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4568-32-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
4568	katE8CA.tmp

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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92

Checks processor information in registry 2 TTPs 1 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	katE8CA.tmp

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4	katE8CA.tmp
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 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	katE8CA.tmp

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4568	katE8CA.tmp
4568	katE8CA.tmp

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92
PID 2848 wrote to memory of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92
PID 2848 wrote to memory of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92
PID 2848 wrote to memory of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92
PID 2848 wrote to memory of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92
PID 2848 wrote to memory of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92
PID 2848 wrote to memory of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92
PID 2848 wrote to memory of 4568	2848	869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe	92

C:\Users\Admin\AppData\Local\Temp\869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\869b8d88b099d09b465236af226c4b30_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\katE8CA.tmp
  C:\Users\Admin\AppData\Local\Temp\katE8CA.tmp
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  PID:4568

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1316,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4312 /prefetch:8
1⤵
PID:1780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

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

Command and Control

Exfiltration

Impact

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Downloads

katE8CA.tmp

Path C:\Users\Admin\AppData\Local\Temp\katE8CA.tmp
Size 861KB
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
SSDEEP 24576:o0ESdQpglO1CxDyawn27h+9hrlgKQY9SGcZwCdTp:o0RIglO1CuL9VNcaCd9
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2848-0-0x00000000022E0000-0x00000000022E1000-memory.dmp

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memory/2848-1-0x00000000029A0000-0x0000000002AEC000-memory.dmp

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memory/2848-7-0x0000000000400000-0x0000000000663000-memory.dmp

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memory/4568-4-0x0000000000400000-0x0000000000649000-memory.dmp

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memory/4568-9-0x0000000000400000-0x0000000000649000-memory.dmp

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memory/4568-10-0x0000000000400000-0x0000000000649000-memory.dmp

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memory/4568-13-0x0000000000400000-0x0000000000649000-memory.dmp

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memory/4568-14-0x0000000000400000-0x0000000000649000-memory.dmp

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memory/4568-16-0x000000001DC00000-0x000000001DE5F000-memory.dmp

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memory/4568-31-0x0000000000400000-0x0000000000649000-memory.dmp

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memory/4568-32-0x0000000000400000-0x0000000000649000-memory.dmp

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