stealc | b1090d554e1001deb99ae8c05f3ffd57ca6873ab7d584810a5c4f4f077e2201b

General

Target

2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
Size

1.4MB
MD5

2c10244634bc4091d532c49fe3bdb1d0
SHA1

1381b46638ba07691f91e007dcf500cc4a370125
SHA256

b1090d554e1001deb99ae8c05f3ffd57ca6873ab7d584810a5c4f4f077e2201b
SHA512

d3fd1a8797669304fd0ebb4d881ab38c8ea2b2fdfc01e749a951da21d7321c460e129f120a017850a433e1b7a96d38924131de86a0096b0dfdc86e8f17c3796f
SSDEEP

24576:ZeN1fhVeUW7ju9TjzqPoKQ+2L7uUBtAsjxy5U2dTf4a1BYbib2gSXX+JiGo3:6KU2C9TjzWoK0zBtAsI5U2dTfLYebZu9

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

http://5.75.212.247:80

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 12 IoCs

stealer

resource	yara_rule
behavioral2/memory/4560-10-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-11-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-28-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-29-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-38-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-45-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-53-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-54-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-88-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-89-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-96-0x0000000002430000-0x0000000002676000-memory.dmp	family_vidar_v7
behavioral2/memory/4560-97-0x0000000002430000-0x0000000002676000-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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe

Loads dropped DLL 2 IoCs

pid	Process
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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
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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5000	timeout.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 2476	4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe	103
PID 4560 wrote to memory of 2476	4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe	103
PID 4560 wrote to memory of 2476	4560	2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe	103
PID 2476 wrote to memory of 5000	2476	cmd.exe	105
PID 2476 wrote to memory of 5000	2476	cmd.exe	105
PID 2476 wrote to memory of 5000	2476	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\2c10244634bc4091d532c49fe3bdb1d0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DGCFHIDAKECF" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - Delays execution with timeout.exe
    PID:5000

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=4124,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4176 /prefetch:8
1⤵
PID:1996

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=3540,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=3552 /prefetch:3
1⤵
PID:4012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\DGCFHIDAKECF\VCRUNT~1.DLL

Filesize
78KB

MD5
a37ee36b536409056a86f50e67777dd7

SHA1
1cafa159292aa736fc595fc04e16325b27cd6750

SHA256
8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

SHA512
3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

Download Submit
C:\ProgramData\DGCFHIDAKECF\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\DGCFHIDAKECF\msvcp140.dll

Filesize
439KB

MD5
5ff1fca37c466d6723ec67be93b51442

SHA1
34cc4e158092083b13d67d6d2bc9e57b798a303b

SHA256
5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

SHA512
4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

Download Submit
C:\ProgramData\DGCFHIDAKECF\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\ProgramData\DGCFHIDAKECF\softokn3.dll

Filesize
251KB

MD5
4e52d739c324db8225bd9ab2695f262f

SHA1
71c3da43dc5a0d2a1941e874a6d015a071783889

SHA256
74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a

SHA512
2d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

Filesize
40B

MD5
20d4b8fa017a12a108c87f540836e250

SHA1
1ac617fac131262b6d3ce1f52f5907e31d5f6f00

SHA256
6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

SHA512
507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

Download Submit
memory/4560-0-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/4560-53-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-1-0x00000000006E0000-0x00000000006EA000-memory.dmp

Filesize
40KB

Download
memory/4560-10-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-11-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-14-0x0000000010000000-0x000000001025F000-memory.dmp

Filesize
2.4MB

Download
memory/4560-28-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-29-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-38-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-2-0x00000000006E0000-0x00000000006EA000-memory.dmp

Filesize
40KB

Download
memory/4560-45-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-5-0x0000000000710000-0x0000000000714000-memory.dmp

Filesize
16KB

Download
memory/4560-54-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-8-0x0000000000404000-0x000000000041E000-memory.dmp

Filesize
104KB

Download
memory/4560-3-0x0000000000700000-0x0000000000707000-memory.dmp

Filesize
28KB

Download
memory/4560-88-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-89-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-96-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-97-0x0000000002430000-0x0000000002676000-memory.dmp

Filesize
2.3MB

Download
memory/4560-4-0x0000000000700000-0x0000000000707000-memory.dmp

Filesize
28KB

Download
memory/4560-7-0x0000000000720000-0x0000000000739000-memory.dmp

Filesize
100KB

Download
memory/4560-9-0x0000000000720000-0x0000000000739000-memory.dmp

Filesize
100KB

Download
memory/4560-6-0x0000000000710000-0x0000000000714000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads