stealc | cec01eedf410a6ac0cdd3cf0a376492b3ed7a6ff6a32826eee8137dc9cb2cac0

General

Target

4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe
Size

2.0MB
MD5

4ac01e4741b77e1119f9f861683b1940
SHA1

de37f40625aba41b267cc46fa07ebd0cbbd2f2c8
SHA256

cec01eedf410a6ac0cdd3cf0a376492b3ed7a6ff6a32826eee8137dc9cb2cac0
SHA512

c9f8823b32c42cef7a30e0b477b5daa47c07620ef99e71f98204a196883ce69d2fd5be1f3314b723dd1fd374fcf77a856ebb50c776fd13d531088cfc49b181b5
SSDEEP

49152:IFno/jfYJtTF+TxMoxc1TU+j+dAzGkiT:IFno/jQtIuoITsdZT

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199686524322

https://t.me/k0mono

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15 Ddg/17.4.1

Signatures

Detect Vidar Stealer 10 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2888-2-0x0000000002F10000-0x0000000003059000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-17-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-22-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-23-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-18-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-15-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-76-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-80-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-81-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2100-95-0x0000000000400000-0x0000000000646000-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
Executes dropped EXE 1 IoCs

Processes:

kat9B36.tmp

pid process

2100 kat9B36.tmp
Loads dropped DLL 2 IoCs

Processes:

4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe

pid process

2888 4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe
2888 4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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

Processes:

4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe

description pid process target process

PID 2888 set thread context of 2100 2888 4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe kat9B36.tmp
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
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

Processes:

kat9B36.tmp

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat9B36.tmp
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1708 timeout.exe

pid	process
2100	kat9B36.tmp

pid	process
2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe
2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe

description	pid	process	target process
PID 2888 set thread context of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kat9B36.tmp

pid	process
1708	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

kat9B36.tmp

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	kat9B36.tmp
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	kat9B36.tmp
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	kat9B36.tmp

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

kat9B36.tmp

pid process

2100 kat9B36.tmp

pid	process
2100	kat9B36.tmp

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exekat9B36.tmpcmd.exe

description	pid	process	target process
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2888 wrote to memory of 2100	2888	4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe	kat9B36.tmp
PID 2100 wrote to memory of 1100	2100	kat9B36.tmp	cmd.exe
PID 2100 wrote to memory of 1100	2100	kat9B36.tmp	cmd.exe
PID 2100 wrote to memory of 1100	2100	kat9B36.tmp	cmd.exe
PID 2100 wrote to memory of 1100	2100	kat9B36.tmp	cmd.exe
PID 2100 wrote to memory of 804	2100	kat9B36.tmp	cmd.exe
PID 2100 wrote to memory of 804	2100	kat9B36.tmp	cmd.exe
PID 2100 wrote to memory of 804	2100	kat9B36.tmp	cmd.exe
PID 2100 wrote to memory of 804	2100	kat9B36.tmp	cmd.exe
PID 804 wrote to memory of 1708	804	cmd.exe	timeout.exe
PID 804 wrote to memory of 1708	804	cmd.exe	timeout.exe
PID 804 wrote to memory of 1708	804	cmd.exe	timeout.exe
PID 804 wrote to memory of 1708	804	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4ac01e4741b77e1119f9f861683b1940_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2888

C:\Users\Admin\AppData\Local\Temp\kat9B36.tmp
C:\Users\Admin\AppData\Local\Temp\kat9B36.tmp
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2100

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c start "" "C:\ProgramData\HCAFIJDGHC.exe"
3⤵
PID:1100

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat9B36.tmp" & rd /s /q "C:\ProgramData\AKEGDAKEHJDH" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:1708

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA5D8.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
\Users\Admin\AppData\Local\Temp\kat9B36.tmp
Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/2100-22-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-11-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-23-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-95-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-18-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-15-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-13-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-81-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-9-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-17-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-80-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2100-76-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2888-2-0x0000000002F10000-0x0000000003059000-memory.dmp

Filesize
1.3MB

Download
memory/2888-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2888-20-0x0000000000400000-0x0000000000602000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads