MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c. 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: 16


Intelligence 16 IOCs YARA 12 File information Comments
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SHA256 hash: 1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c
SHA3-384 hash: 61e0f14fb0706ad58c0b1c0559473f3b9b735cdda87e8302b8e1e1e71fb548aff0276053bce2c1e4c2bd29189b2b4a4c
SHA1 hash: c751a777c544ed30fccc63fca27c8ce83f0f0b99
MD5 hash: bfe647b2eb0b0fada49c06bf4bbf0f23
humanhash: texas-beer-wolfram-maryland
File name:SecuriteInfo.com.Win32.CrypterX-gen.2121.25990
Download: download sample
Signature AgentTesla
Create hunting rule
File size:625'664 bytes
First seen:2023-11-27 01:55:29 UTC
Last seen:2023-11-27 10:01:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:kX72CxXbwFn2JtGivr2ySaCqabogqK/7lBCtDG:S8JwZKynCq3gqM7lBQD
Threatray 3'319 similar samples on MalwareBazaar
TLSH T12ED423015A156393D13B07F2AA6AAB2073B2A1B68259C14C7F6E25C65FF1BE84C44C7F
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)
File icon (PE):PE icon
dhash icon 6000696971690068 (3 x AgentTesla, 3 x Formbook, 3 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460488/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.2121.25990.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6563f7337485e5b1ecbc4904/reports/ff5d0bc6-4271-4f98-ac3f-1745b6bcf57d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c
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/51b47cc3-22d3-44bd-977f-9f85163134e5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348229
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-26 23:41:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dizdptebou64paueez74iqmulxf366tsf2axuuctjgjskkq2ivoa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c
AgentTesla
51b487c92f5e52dc485cb8971b4725ed6a475e2ace51946e3cc113863067ef13
AgentTesla
805359e8add29af8ed6534df363b834315943a8d8af92579a660aa2645531086
AgentTesla
8aa45aeb261a9a25275b66febcde0b57f624536c795d4b751d801bb97cee2cc9
AgentTesla
f295eef028ed681fce256037d84cee67b6c47ea821fdccd7e83a84bbdaea3bf6
AgentTesla
+ 3'309 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231127-ccnxkadf3w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/f8812ee0-3cb0-4c36-9d44-35c3794d075b/
SH256 hash:
b32f64139e9cfc3afa129ec4bd0adced5c90f5bb1d3cde1d1a6415165b875370
MD5 hash:
9385019216c64b66fb1e4ceae3ca9486
SHA1 hash:
ad74faf0fc06b34ff4ddd1f44b8cdea500c8fef6
Link:
https://www.unpac.me/results/f8812ee0-3cb0-4c36-9d44-35c3794d075b/
SH256 hash:
da5e17e75ac5ea7e0025c257b4284eee209644b581f6d5dd3209be68fc54edd7
MD5 hash:
5b106df26468138d0d73c4b822f8f03c
SHA1 hash:
501bd44f5112b852be606359010de33187e2cfc3
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/f8812ee0-3cb0-4c36-9d44-35c3794d075b/
Parent samples :
f295eef028ed681fce256037d84cee67b6c47ea821fdccd7e83a84bbdaea3bf6
51b487c92f5e52dc485cb8971b4725ed6a475e2ace51946e3cc113863067ef13
8aa45aeb261a9a25275b66febcde0b57f624536c795d4b751d801bb97cee2cc9
1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c
SH256 hash:
7ae4e71ef54ded08b4a95d1515d554b38f6d0b602fab84523038ff6235a4586b
MD5 hash:
eec4e982ec618e375943ad675c398ff2
SHA1 hash:
45fb0bbf3b07fcf6c72ba3fa3c12520874f7ac85
Link:
https://www.unpac.me/results/f8812ee0-3cb0-4c36-9d44-35c3794d075b/
SH256 hash:
1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c
MD5 hash:
bfe647b2eb0b0fada49c06bf4bbf0f23
SHA1 hash:
c751a777c544ed30fccc63fca27c8ce83f0f0b99
Link:
https://www.unpac.me/results/f8812ee0-3cb0-4c36-9d44-35c3794d075b/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a3237cc8175/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/1a3237cc81753dc78284267fc441945dcbbf7a722e817a50534993252a1a455c

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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
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_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
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/460488/

Comments