MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b3a82f21226cf22c6b935eeb7ca17fc2c36ec65cbf1f4fc32cc8b79fb3252d8. 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


AgentTesla


Vendor detections: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b3a82f21226cf22c6b935eeb7ca17fc2c36ec65cbf1f4fc32cc8b79fb3252d8
SHA3-384 hash: d7047172ac72e5ddc6cdbb7eee544d7c81459dd5d2de91bfbc2909d07105c26a246ac480eb51143afc67a73835fa2587
SHA1 hash: afbbc390f746d409122bdc8a824989f2cbfb6ab5
MD5 hash: 75181320ea3b8765dd40bad311d90621
humanhash: mexico-delta-october-freddie
File name:SecuriteInfo.com.Win32.CrypterX-gen.19846.9171
Download: download sample
Signature AgentTesla
Create hunting rule
File size:828'928 bytes
First seen:2023-08-21 02:27:53 UTC
Last seen:2023-09-04 09:42:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:IssBSinvqdkyWw2svBQ9usr859FdtXDFTcGp6sVCTtUzxLhq//sPgXeMv33Gq8WD:IssBSinidkj9u7z/A8MTGxLhqiQ33I
Threatray 5'589 similar samples on MalwareBazaar
TLSH T1D805D04173272815DA85F83A954FB6CC5AF328227B6247FA3CBF235045650E6CAC9E4F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
312
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.19846.9171
Verdict:
Malicious activity
Analysis date:
2023-08-21 02:31:30 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/edf4143c-e66d-4263-a6bf-d120f98f7f18

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/443875/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.19846.9171.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
MSIL.Androm.Generic
Link:
https://www.hybrid-analysis.com/sample/1b3a82f21226cf22c6b935eeb7ca17fc2c36ec65cbf1f4fc32cc8b79fb3252d8
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eb00cde1-41da-44ba-acca-40eb7b60805f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1294244
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: MSBuild connects to smtp port
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1294244 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 21/08/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 8 other signatures 2->53 6 SecuriteInfo.com.Win32.CrypterX-gen.19846.9171.exe 1 5 2->6         started        10 Snnrqymu.exe 5 2->10         started        12 Snnrqymu.exe 4 2->12         started        14 2 other processes 2->14 process3 file4 31 C:\Users\user\AppData\Roaming\Snnrqymu.exe, PE32 6->31 dropped 69 Creates multiple autostart registry keys 6->69 71 Writes to foreign memory regions 6->71 73 Injects a PE file into a foreign processes 6->73 16 MSBuild.exe 17 4 6->16         started        75 Antivirus detection for dropped file 10->75 77 Multi AV Scanner detection for dropped file 10->77 79 Machine Learning detection for dropped file 10->79 21 MSBuild.exe 10->21         started        23 MSBuild.exe 12->23         started        25 conhost.exe 14->25         started        27 conhost.exe 14->27         started        signatures5 process6 dnsIp7 33 mail.parivartansandeshfoundation.com 184.168.111.8, 49718, 49723, 49777 AS-26496-GO-DADDY-COM-LLCUS United States 16->33 35 api4.ipify.org 64.185.227.156, 443, 49716 WEBNXUS United States 16->35 37 api.ipify.org 16->37 29 C:\Users\user\AppData\Roaming\...bJgI.exe, PE32 16->29 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->57 59 May check the online IP address of the machine 16->59 61 Creates multiple autostart registry keys 16->61 39 104.237.62.211, 443, 49758, 49780 WEBNXUS United States 21->39 41 192.168.2.1 unknown unknown 21->41 43 api.ipify.org 21->43 45 api.ipify.org 23->45 63 Tries to steal Mail credentials (via file / registry access) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->67 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b3a82f21226cf22c6b935eeb7ca17fc2c36ec65cbf1f4fc32cc8b79fb3252d8/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2023-08-20 22:45:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dm5if4qse3hsfrvzgxxlpsqx7qwdn3dfzpy7j7bszsfxt6zsklma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
143152208fb2b0e16a666019a6d0c0a4c8b5177707d24d1a1bb97568f34bd089
AgentTesla
39fdc2f771ca4310602321e5d1484b3f8a6ccd4ad93874e1394feda5c72d18b1
AgentTesla
478d51fa24c69ccaa66567cbcdf3105f7c302bbba2b88db7cfee19fe84acf64f
AgentTesla
7357f5952f266bf7f39bf4d0c1779eaa12c2b0e11f6a78e232946eaf533a7e35
AgentTesla
9bee15aa43bcdb1c361ba488354de254e7860b9f006ad7ce7602adc6d7667e62
AgentTesla
9f733ddfdc69ff2f98222d9852a8fa88a1c2b36fbabe0044249fa6ab03d2a883
AgentTesla
a073440250210a9a498868af360fb2e9dc8bd35458891a4bad3972c9aa4b4ca7
AgentTesla
bc6ac708586d3cd72851c365708a555068339aa2d10b4d031c5ed15bc4269d2b
AgentTesla
c04edaab3f7fd927118d248a63907eb7b7b65af0300266610af6435456ca435d
AgentTesla
c6ad6564b9a4e2a2f7d2d7cd13001f5277d9c2ecf83829611bd9d0eb4fc3b233
AgentTesla
+ 5'579 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/230821-cx1f4aac79/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Unpacked files
SH256 hash:
8cd9e9bca72e16c10e26f900b20f5c1cb111de79937667cc87fd5da4011fbb40
MD5 hash:
3d63bedad02360681ce355c7b6fa9d88
SHA1 hash:
96440e152e6f3ee7f6fa213486d67cebf54e8525
Link:
https://www.unpac.me/results/07b1a82c-836f-4ee1-a3c4-0b4d2bb53cb4/
SH256 hash:
a7ccdac3517133f83191f1e01dcaaec27e48e5970a370558fc20f61ea7b88521
MD5 hash:
a3d2b7968adac526d07ae953098dac4e
SHA1 hash:
8dd7b436d22089f6c579e63b8a270f384935fdbd
Link:
https://www.unpac.me/results/07b1a82c-836f-4ee1-a3c4-0b4d2bb53cb4/
SH256 hash:
50a23a34f6b042bf457107911b50079abfc19901bd06d9416b13c41135a0610e
MD5 hash:
f7c90c85d76d461d55ef9386aa52c596
SHA1 hash:
4afa41e03b2d6aea28b2ffe7d3620aa692da0b1d
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/07b1a82c-836f-4ee1-a3c4-0b4d2bb53cb4/
Parent samples :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 hash:
297270c71a71bedd8b0b41187afeece2b534027d2b4c56715615a08d3a1b3e3a
MD5 hash:
4c55033a93ff0cc7f1c846d0db5dc482
SHA1 hash:
0b5216468e71703809eb16f4266ab6f0f90700b6
Link:
https://www.unpac.me/results/07b1a82c-836f-4ee1-a3c4-0b4d2bb53cb4/
SH256 hash:
1b3a82f21226cf22c6b935eeb7ca17fc2c36ec65cbf1f4fc32cc8b79fb3252d8
MD5 hash:
75181320ea3b8765dd40bad311d90621
SHA1 hash:
afbbc390f746d409122bdc8a824989f2cbfb6ab5
Link:
https://www.unpac.me/results/07b1a82c-836f-4ee1-a3c4-0b4d2bb53cb4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b3a82f21226/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/1b3a82f21226cf22c6b935eeb7ca17fc2c36ec65cbf1f4fc32cc8b79fb3252d8

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/443875/

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