MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b613c9686eea10258065a525f14e4483b8625aa16e52b9ccc93767204c32ed54. 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: | b613c9686eea10258065a525f14e4483b8625aa16e52b9ccc93767204c32ed54 |
|---|---|
| SHA3-384 hash: | 863e46537f226380a7a3ba83bad3cfcbc049722ee630ecd5636a8f8fce7a42d511be912556cf2a9d0be9a285dd82d442 |
| SHA1 hash: | b5da07255e0a2ce5efbf75e6e32f8ef913089b40 |
| MD5 hash: | 03fd9b58f2ef13e396d782cd746c9a0b |
| humanhash: | quebec-butter-item-low |
| File name: | b613c9686eea10258065a525f14e4483b8625aa16e52b.exe |
| Download: | download sample |
| Signature | ArkeiStealer |
| File size: | 791'040 bytes |
| First seen: | 2021-03-30 11:35:48 UTC |
| Last seen: | 2021-03-30 13:09:58 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:KP0OYgc6Npkj1TNNQXVMk2BZVmdVaWw1LK0gLLz4r1YQNT0X715hk4Yeh:WVvDaDxpbiVa3LpgLLzASQN0NY4 |
| Threatray | 885 similar samples on MalwareBazaar |
| TLSH | 63F402E13988DF99E6685BFB5051140087F8E7E21153CB4C8DC9F8DB246AF8C4ED2A97 |
| Reporter |  abuse_ch |
| Tags: | ArkeiStealer exe |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://nmorbertomo.ac.ug/ | https://threatfox.abuse.ch/ioc/6038/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b57244a20b1130978e1f49045ae571a6.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 11:24:30 UTC
Tags:
loader trojan stealer raccoon rat azorult remcos vidar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Deleting a recently created file
Reading critical registry keys
Replacing files
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Connection attempt to an infection source
Stealing user critical data
Launching a tool to kill processes
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.
Result
Threat name:
Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Signature
.NET source code contains potential unpacker
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected AntiVM3
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-30 11:36:12 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 875 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski discovery infostealer spyware stealer
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Oski
Unpacked files
SH256 hash:
73c12ffb929d97b7dc246a422ffd125a1a9a9e6a0f605660803fb8d75c927bdc
MD5 hash:
fd3bdc5d77f08f19efb6e1af507611e1
SHA1 hash:
c6745c40fc35cb36d2c70ca90a098bd7d62d91aa
SH256 hash:
1c09153f479de8beee65749951208779634bb52dccadabd7842f2f8709d1cf2c
MD5 hash:
2ae222d174ffee5fdbf32e44aa41adb7
SHA1 hash:
5af1ced696f87be9e28f96102ceb4ddcfd8fc4e4
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
fdccaed76f7279e6b8cc1579dadeed03fa1b8d1adcdfbcac585a68da168366d5
MD5 hash:
8b603b23caf00139206f293eb741a9f0
SHA1 hash:
1cc90aec7ce07b13930fe0c088fe3cd155b3ea07
SH256 hash:
b613c9686eea10258065a525f14e4483b8625aa16e52b9ccc93767204c32ed54
MD5 hash:
03fd9b58f2ef13e396d782cd746c9a0b
SHA1 hash:
b5da07255e0a2ce5efbf75e6e32f8ef913089b40
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | MALWARE_Win_Vidar |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Vidar infostealer variants |
| Rule name: | Vidar |
|---|---|
| Author: | kevoreilly |
| Description: | Vidar Payload |
| Rule name: | win_oski_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
| Rule name: | win_oski_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
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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