MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a99ad6c50cd5ec1409151d618216ea2616d10d8e3959f8f3067b257b172efa4b. 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


BluStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a99ad6c50cd5ec1409151d618216ea2616d10d8e3959f8f3067b257b172efa4b
SHA3-384 hash: 033b70a1e340cd10e675960287fb06435e75604d67d265534450449241ecf077b973e4e6c4fb71b2f4eb0dc9ddf6bfad
SHA1 hash: 8f10196462c460575b7907198b0efccaa57fe184
MD5 hash: d684ffec7438d50b76869761acf3672a
humanhash: alabama-east-dakota-papa
File name:order request.exe
Download: download sample
Signature BluStealer
Create hunting rule
File size:929'280 bytes
First seen:2022-11-17 20:18:03 UTC
Last seen:2022-11-17 21:42:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:4/5UXyIiQEM+8+b8f1rQR+FjdTy9KUE6EEUXjZnbCkI:4/5myoo4f1rQIBdxUzUXjZnbCkI
TLSH T1CC157BE5B893796EE5B9B35D55F1A850CAB388724EC0AE2451683DC15C339D3B022EFC
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13097/50/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Anonymous
Tags:BluStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
order request.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 20:19:26 UTC
Tags:
stealer
Link:
https://app.any.run/tasks/8b66d1c3-d447-428e-b9f4-a69f317ff0a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/335543/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.14736.6641.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
hacktool packed
Link:
https://www.filescan.io/uploads/637696fc6fda73cab64e40f7/reports/7d8a5827-14b9-4cdc-b6a8-ece789792167/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a84a28b3-9e43-475d-b53e-7d9206bc219e
Result
Threat name:
BluStealer, ThunderFox Stealer, a310Logg
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116122
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected AntiVM3
Yara detected BluStealer
Yara detected Telegram RAT
Yara detected ThunderFox Stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a99ad6c50cd5ec1409151d618216ea2616d10d8e3959f8f3067b257b172efa4b/
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-11-17 10:05:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgnnnrim2xwbicivdvqyefxkeylncdmohfm7r4ygpmsxwfzo7jfq._file
Verdict:
malicious
Result
Malware family:
blustealer
Create hunting rule
Score:
  10/10
Tags:
family:blustealer collection stealer
Link:
https://tria.ge/reports/221117-y3a92sff52/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
BluStealer
Malware Config
C2 Extraction:
https://api.telegram.org/bot5797428905:AAGaRRXGZN1d9GGFd3sE5x4uSpCGF0PU4m4/sendMessage?chat_id=1251788325
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4398afa0-0d5b-4b5f-80ca-aef921ec5acf
Unpacked files
SH256 hash:
fc9bb9746aaa4e07944b2c1338d26ac852531a6e6c97e98f6a56202d27ff607c
MD5 hash:
d2ec533f8b40a8224d79c87c2291f943
SHA1 hash:
f305fa4c5c8525e853fbdbcf5c8cedad9ba08fd2
Link:
https://www.unpac.me/results/4156eaba-9547-4f02-8599-24ad99c3cb25/
SH256 hash:
8a6f1ddaa2e7d9fcb3ad96917c2a2ddd96e8ef6e1f82b34c0ce11606cc425c00
MD5 hash:
1ec98af585c686275301d49353e27abe
SHA1 hash:
a24ca9bba2b30acddc7f9ee6df0e8d481f850c71
Link:
https://www.unpac.me/results/4156eaba-9547-4f02-8599-24ad99c3cb25/
SH256 hash:
922b7e97166ed50c61602038d53559cb5811ae0a40e6e36f1173d69643ed63ea
MD5 hash:
f29d1690c23dfec71ac73587587bef05
SHA1 hash:
2c0f07488830e563abd53dc0ffac2a9f9e99b2e1
Link:
https://www.unpac.me/results/4156eaba-9547-4f02-8599-24ad99c3cb25/
SH256 hash:
11f59443b4c146c0e68591fa14d0426df862b61c234fdd5d8cf42a2ec423b3e5
MD5 hash:
b5d229a067429dec210f0e40b75be032
SHA1 hash:
91f481132cf8cf908d5f31f96557f2e72e1f0f6f
Link:
https://www.unpac.me/results/4156eaba-9547-4f02-8599-24ad99c3cb25/
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
Link:
https://www.unpac.me/results/4156eaba-9547-4f02-8599-24ad99c3cb25/
SH256 hash:
0126ba65257493a39bbcc3eaf46aaf559b1dfff3cb22327fecf0c0feb2928aef
MD5 hash:
8f93b70f30b69ac9eef2247abb8a3207
SHA1 hash:
6c341fe51fb5a96e19d694e6a9b05382f2fdec5f
Link:
https://www.unpac.me/results/4156eaba-9547-4f02-8599-24ad99c3cb25/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/4156eaba-9547-4f02-8599-24ad99c3cb25/
SH256 hash:
a99ad6c50cd5ec1409151d618216ea2616d10d8e3959f8f3067b257b172efa4b
MD5 hash:
d684ffec7438d50b76869761acf3672a
SHA1 hash:
8f10196462c460575b7907198b0efccaa57fe184
Link:
https://www.unpac.me/results/4156eaba-9547-4f02-8599-24ad99c3cb25/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a99ad6c50cd5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

BluStealer

Executable exe a99ad6c50cd5ec1409151d618216ea2616d10d8e3959f8f3067b257b172efa4b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/335543/

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