MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 877361729f6caeec07146bbacb86e5ea7597085b946e5f81f79db0e0eba72035. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
ArkeiStealer
Vendor detections: 11
| SHA256 hash: | 877361729f6caeec07146bbacb86e5ea7597085b946e5f81f79db0e0eba72035 |
|---|---|
| SHA3-384 hash: | 8a6dee0c5646d654223330d094534c60b0231a65e2dc71b344b342774699ce7e68c08c85ff6c3d6acf062d3fd6f5b3e3 |
| SHA1 hash: | 231d4feda57784edc8d180e825fcdbb06e4048cd |
| MD5 hash: | 5a09e436702a97b7cd507b9ec7a5b081 |
| humanhash: | green-magnesium-muppet-india |
| File name: | 5a09e436702a97b7cd507b9ec7a5b081.exe |
| Download: | download sample |
| Signature | ArkeiStealer |
| File size: | 573'056 bytes |
| First seen: | 2021-07-26 13:43:51 UTC |
| Last seen: | 2021-07-26 15:01:17 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:nEgqgYxmZtOabCfmig5cGyS7RXusazvEGSTC5eHLCyz2OU94:EgcitVb5cm1XkzNS9CV594 |
| Threatray | 2'086 similar samples on MalwareBazaar |
| TLSH | T1CEC4012D7653D426C7180471C5D389704BB2BE953677DF463AA8234A1FB33DCAE0AAE4 |
| dhash icon | 8240c02034048860 (1 x ArkeiStealer) |
| Reporter |  abuse_ch |
| Tags: | ArkeiStealer exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
C061F6C696CDE2214E0425839AE84F84.exe
Verdict:
Malicious activity
Analysis date:
2021-07-25 14:04:56 UTC
Tags:
evasion trojan opendir stealer vidar loader raccoon rat redline phishing
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request to an infection source
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Vidar
Verdict:
Malicious
Result
Threat name:
Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Chapak
Status:
Malicious
First seen:
2021-07-25 09:19:06 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 2'076 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar botnet:903 discovery spyware stealer suricata
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar Stealer
Vidar
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://shpak125.tumblr.com/
Unpacked files
SH256 hash:
8cea946f6318239630801447160800de32359fce9715de03e4a044e9670db53e
MD5 hash:
b0f41b8d2ea43a878dfac911a5254a72
SHA1 hash:
9af0361545aca2ecfa372fa6245476aa6ec8cdf4
SH256 hash:
fa213014f79e33c2dde7b1567b0741cbc43ba31c30f5acd266c3a5a132685c80
MD5 hash:
bad234538deada3cdae7b5fb8ee6c8a3
SHA1 hash:
7b6c38d31e4548006857ed29329193b2297008b1
SH256 hash:
877361729f6caeec07146bbacb86e5ea7597085b946e5f81f79db0e0eba72035
MD5 hash:
5a09e436702a97b7cd507b9ec7a5b081
SHA1 hash:
231d4feda57784edc8d180e825fcdbb06e4048cd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICOIUS_EXE_WindDefender_AntiEmaulation |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing potential Windows Defender anti-emulation checks |
| Rule name: | MALWARE_Win_Vidar |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Vidar / ArkeiStealer |
| Rule name: | pe_imphash |
|---|
| Rule name: | RedOctoberPluginCollectInfo |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Vidar |
|---|---|
| Author: | kevoreilly |
| Description: | Vidar Payload |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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