MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 16821bc6b2d1d12709248bb605b04fe158a397717d0e6004511e70ef0f537610. 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
44CaliberStealer
Vendor detections: 11
| SHA256 hash: | 16821bc6b2d1d12709248bb605b04fe158a397717d0e6004511e70ef0f537610 |
|---|---|
| SHA3-384 hash: | aacad17b40a3a944eda1f78dd18cedd403a671f4f7b4b0190c70965003183dfda53e5eb08e2f5ceaeb0237656c6988c7 |
| SHA1 hash: | 090ab79922b78dd61173eddead0acdaffd0ba599 |
| MD5 hash: | 0fcf52fcc27114124fbb3c139d24f69d |
| humanhash: | tennis-asparagus-artist-vegan |
| File name: | ey7UhSzk.exe |
| Download: | download sample |
| Signature | 44CaliberStealer |
| File size: | 281'088 bytes |
| First seen: | 2022-02-24 03:03:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:tf+BLtABPDOZJc9VjFe6UlwYONlYeJalA1D0/NW:kZqA6UlwYylYe91DwW |
| Threatray | 213 similar samples on MalwareBazaar |
| TLSH | T16B544B0027EC8B9AF2FE4BB8D4B01265C3B1B466B93EDB4E6D4461DD2923740D945BB3 |
| Reporter |  pmelson |
| Tags: | 44CaliberStealer 44Stealer exe webshell |
Intelligence
File Origin
# of uploads :
1
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://bazaar.abuse.ch/download/16821bc6b2d1d12709248bb605b04fe158a397717d0e6004511e70ef0f537610/
Verdict:
No threats detected
Analysis date:
2022-02-25 10:08:35 UTC
Tags:
stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% directory
Reading critical registry keys
Сreating synchronization primitives
Creating a file
DNS request
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Stealing user critical data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm evasive hacktool obfuscated replace.exe stealer
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:
Generic Stealer
Verdict:
Malicious
Result
Threat name:
44Caliber Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to capture screen (.Net source)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected 44Caliber Stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-24 03:04:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 203 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
16821bc6b2d1d12709248bb605b04fe158a397717d0e6004511e70ef0f537610
MD5 hash:
0fcf52fcc27114124fbb3c139d24f69d
SHA1 hash:
090ab79922b78dd61173eddead0acdaffd0ba599
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
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_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_CC_Regex |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing credit card regular expressions |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_DiscordURL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables Discord URL observed in first stage droppers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Discord_Regex |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing Discord tokens regular expressions |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_VPN |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many VPN software clients. Observed in infosteslers |
| Rule name: | MALWARE_Win_A310Logger |
|---|---|
| Author: | ditekSHen |
| Description: | Detects A310Logger |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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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