MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0b43ad37b67f195e91262b2c26983cab6a449c0da779f932a6557a9366e2a24. 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



Stealc


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: b0b43ad37b67f195e91262b2c26983cab6a449c0da779f932a6557a9366e2a24
SHA3-384 hash: e15ade6b3414cf0c55891ea001a9eed5d2f81d5d1fdad801ac629ae2d024013a3d0a5f8e8b16bb8acd924809567ea309
SHA1 hash: 9fc6841a9d200f02dee0757bdf6eb7292165144c
MD5 hash: efff4dd9db4ad3194a947ab9cca25b10
humanhash: muppet-sixteen-edward-uniform
File name:efff4dd9db4ad3194a947ab9cca25b10
Download: download sample
Signature Stealc
File size:302'592 bytes
First seen:2023-03-18 06:27:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b26046a9f4930e3c998e03b26f7bab74 (3 x Amadey, 2 x RedLineStealer, 1 x Stealc)
ssdeep 3072:atHDfwlLESWXxtNlx9ePb+hU6GSjruCnW2gX58+2t1Hu:0TwlLErXxtNlx9SbHqnW25zu
Threatray 105 similar samples on MalwareBazaar
TLSH T14954195392E17C48E926DB329E1FC6E8771EF6518E897B6532289E1F04F2172C163F90
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1222220412140200 (1 x Stealc)
Reporter abuse_ch
Tags:efff4dd9db4ad3194a947ab9cca25b10 exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
efff4dd9db4ad3194a947ab9cca25b10
Verdict:
Malicious activity
Analysis date:
2023-03-18 06:29:06 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Stealing user critical data
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CPUID_Instruction
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
babar gandcrab greyware lockbit packed
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:
Stealc, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2023-03-18 06:24:14 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
ee857d1b63414ab3328ad534635f9178d9be557852429750d6a2ca85bcc7cfab
MD5 hash:
6f20132b979b7aa32aed9394ecddd7e3
SHA1 hash:
675944f8367a9d85fab9936ccfb4480c75f79ba0
SH256 hash:
b0b43ad37b67f195e91262b2c26983cab6a449c0da779f932a6557a9366e2a24
MD5 hash:
efff4dd9db4ad3194a947ab9cca25b10
SHA1 hash:
9fc6841a9d200f02dee0757bdf6eb7292165144c
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:infostealer_win_stealc_standalone
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_stealc_w0
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information


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

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