MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7da3029263bfbb0699119a715ce22a3941cf8100428fd43c9e1e46bf436ca687. 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


OskiStealer


Vendor detections: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7da3029263bfbb0699119a715ce22a3941cf8100428fd43c9e1e46bf436ca687
SHA3-384 hash: c67df9ff9400989c95d2854d9d08d718a56b6e21e94abbc0992b4ac7591ec89902703843987d5cbe111279cf51640f45
SHA1 hash: b31724ee6f803e3831f5d6727711044168fe06d3
MD5 hash: 6143734a8c9cae36bfde4f4b67f3c604
humanhash: dakota-solar-colorado-lemon
File name:Build.exe
Download: download sample
Signature OskiStealer
Create hunting rule
File size:96'768 bytes
First seen:2021-08-09 07:47:36 UTC
Last seen:2021-08-09 08:47:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3e2c7440b2fc9e4b039e6fa8152ac8fd (1 x OskiStealer)
ssdeep 1536:ZTJ91Cl2CAA8zlEPC++OLliyoqMGGVA0agvHE7OatqYFCcY0b5DeNUfJ:P91Cl2CL8zi1iyoFW0aSkiS/Y0bReN0J
Threatray 4 similar samples on MalwareBazaar
TLSH T1B5930710E450911BE0EC027FC1DA17BAF46C5D7C935AA1C3EF81AEA60A75BF6687109F
Reporter 3xp0rtblog
Tags:cookreceipts.fun exe MarsStealer

Intelligence

File Origin
# of uploads :
3
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Build.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-09 07:34:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b38098a2-6101-4316-a519-8eb81d725ab2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/177473/
Detection(s):
SecuriteInfo.com.Heur.Trickbot.3.19149.22776.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Connection attempt
Creating a file in the Windows subdirectories
Launching the default Windows debugger (dwwin.exe)
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:
Oski Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ae7ec31-15a7-4497-8cb4-b07050b87c92
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/829125
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7da3029263bfbb0699119a715ce22a3941cf8100428fd43c9e1e46bf436ca687/
Threat name:
Win32.Trojan.TrickBot
Create hunting rule
Status:
Malicious
First seen:
2021-07-31 08:18:49 UTC
File Type:
PE (Exe)
AV detection:
30 of 46 (65.22%)
Threat level:
  5/5
Verdict:
suspicious
Similar samples:
341f4423ac740db2802efecb3e85430970a636052d7f366ea99abd7f1b39f037
OskiStealer
67d57f842b1c8a60c0acee47d2332a3550a51a88d4a17734542d3dc70364da8b
OskiStealer
7e04a5f055b6ea1d3402465c4bc96f89b660b82c494b860832f5b7540608bb70
OskiStealer
8795bb17e6a0ce6dc06236d4042c625f2154bd1d8e5df494c23ffa3e58124395
OskiStealer
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/210809-x8785rshxj/
Behaviour
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
7da3029263bfbb0699119a715ce22a3941cf8100428fd43c9e1e46bf436ca687
MD5 hash:
6143734a8c9cae36bfde4f4b67f3c604
SHA1 hash:
b31724ee6f803e3831f5d6727711044168fe06d3
Link:
https://www.unpac.me/results/c1ff1d70-9bc1-4159-8d2c-85380c37181e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7da3029263bf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7da3029263bfbb0699119a715ce22a3941cf8100428fd43c9e1e46bf436ca687

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_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks

File information

The table below shows additional information about this malware sample such as delivery method and external references.

anyrun
any.run
https://app.any.run/tasks/b38098a2-6101-4316-a519-8eb81d725ab2/
  
X
https://twitter.com/3xp0rtblog/status/1424638227160473602
Cape
Cape
https://www.capesandbox.com/analysis/177473/

Comments