stealc | 2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 02:33

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General

Target

2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe
Size

1.5MB
MD5

95c75247dbd0694279be48dfc7123870
SHA1

2ac5c9c3b77a17ccc330bf299b33b728b60cca29
SHA256

2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb
SHA512

86242feb288955abc0c77b5dc856c4e5408674de4d08e4ae90191d13cd4e3b37a4785f50075c34e517a416e6d710243e7aee9a68359825bebd6bfc882d367e8d
SSDEEP

24576:BXc46Crf8fyXacHps+/qASfmBgXk/xrADOv1xvF87uLwmnq:BXl8aXHHO+SASagXkJr4MDkUwm

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

Detect Vidar Stealer 14 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2176-23-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-22-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-17-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-15-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-18-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2204-2-0x0000000003230000-0x0000000003340000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-171-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-192-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-225-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-246-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-438-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-439-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-460-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2176-501-0x0000000000400000-0x0000000000648000-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

Processes:

kat1A83.tmp

pid process

2176 kat1A83.tmp
Loads dropped DLL 2 IoCs

Processes:

2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe

pid process

2204 2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe
2204 2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_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
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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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:

2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe

description pid process target process

PID 2204 set thread context of 2176 2204 2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe kat1A83.tmp
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2176	kat1A83.tmp

pid	process
2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe
2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe

description	pid	process	target process
PID 2204 set thread context of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

kat1A83.tmp

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	kat1A83.tmp
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kat1A83.tmp

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2536 timeout.exe

pid	process
2536	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

kat1A83.tmp

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	kat1A83.tmp
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	kat1A83.tmp
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	kat1A83.tmp

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

kat1A83.tmp

pid process

2176 kat1A83.tmp
2176 kat1A83.tmp
2176 kat1A83.tmp
2176 kat1A83.tmp

pid	process
2176	kat1A83.tmp
2176	kat1A83.tmp
2176	kat1A83.tmp
2176	kat1A83.tmp

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exekat1A83.tmpcmd.exe

description	pid	process	target process
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2204 wrote to memory of 2176	2204	2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe	kat1A83.tmp
PID 2176 wrote to memory of 884	2176	kat1A83.tmp	cmd.exe
PID 2176 wrote to memory of 884	2176	kat1A83.tmp	cmd.exe
PID 2176 wrote to memory of 884	2176	kat1A83.tmp	cmd.exe
PID 2176 wrote to memory of 884	2176	kat1A83.tmp	cmd.exe
PID 884 wrote to memory of 2536	884	cmd.exe	timeout.exe
PID 884 wrote to memory of 2536	884	cmd.exe	timeout.exe
PID 884 wrote to memory of 2536	884	cmd.exe	timeout.exe
PID 884 wrote to memory of 2536	884	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\2ef3a8a8be9e6bee44b27d70d9cdf4fd7226b8170a45729776b0cc01e7e844fb_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2204

C:\Users\Admin\AppData\Local\Temp\kat1A83.tmp
C:\Users\Admin\AppData\Local\Temp\kat1A83.tmp
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat1A83.tmp" & rd /s /q "C:\ProgramData\KJDGIJECFIEB" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:2536

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
342B

MD5
1c1b66a1ed75c2747f0bfdb766bf61f2

SHA1
59c5876dbae47b1cdf159cae7253bdc31cb67c5e

SHA256
4cef3501aa9ce0b7f5b01c55d95061e3a7e97d43e5ec6cd153053cb7004466b6

SHA512
fc4cce67fba22753dbf8cf733dc8991a36d087e914178af7c5e6131e5a642beb0107830d6faa1483740f538fa1f57696864d7c3700d467ce55f5cc4526736e88

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2765.tmp
Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\Temp\kat1A83.tmp
Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/2176-17-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-214-0x00000000275B0000-0x000000002780F000-memory.dmp

Filesize
2.4MB

Download
memory/2176-501-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-15-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-13-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-11-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-18-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-460-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-23-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-439-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-9-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-171-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-192-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-22-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-225-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-246-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2176-438-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2204-20-0x0000000000400000-0x000000000058E000-memory.dmp

Filesize
1.6MB

Download
memory/2204-2-0x0000000003230000-0x0000000003340000-memory.dmp

Filesize
1.1MB

Download
memory/2204-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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