MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582
SHA3-384 hash: c918946f270c23dfb385024848af8c6f7019c4f634e10946cff0d2c82787ef207fa6602cfd05c0162b2953ab7869b1c9
SHA1 hash: d691b2d4b44fde837524624af85bccb4b01cd5ec
MD5 hash: 52c3bf6b32a777a43cf7b59d0c0b6b46
humanhash: high-alanine-carolina-bulldog
File name:Quotation_#432768#_pdf.scr
Download: download sample
Signature AgentTesla
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File size:716'288 bytes
First seen:2024-05-15 11:45:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Qci2iN3skSKSIw6RC9eYIgHlrFtZ+0FrjM8vAqWFDG+XdMrwzJaLB7qDY:Q319JSNIoPISRts0NiGqdMrw1axq0
TLSH T11AE4230D7790AB1FE73F93B55A98C21583327507661CD35A2EC920C78EEA391C7B096B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
377
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582.exe
Verdict:
Malicious activity
Analysis date:
2024-05-15 11:49:05 UTC
Tags:
evasion stealer agenttesla ftp exfiltration
Link:
https://app.any.run/tasks/fd6d09b6-a08f-403e-aa8f-ab90d021ca55

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6644a07d81ea6b1eef41491c/reports/2c9125d1-2455-4446-aceb-f3b67eb17d6f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582
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/fb5d75cb-db42-4ef1-861c-7649ae35ee65
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441939
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-15 09:05:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dsl55lqksc3yw6ab44oijmzqq44ltxxqo4i6aceotbpb3lleawba._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240515-nxa2zsfg9t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/483f95f6-a22c-439b-8281-3ee78fff31dc/
SH256 hash:
4a6a2a4c434ff3131be3b6e469610e9a4e37e8adc5ade4f30f0019178b7f8713
MD5 hash:
7606e0f374611b66c6f93830816ab0e9
SHA1 hash:
7f45babf4a253b94ee2d21c31dcd938e8e1e5679
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/483f95f6-a22c-439b-8281-3ee78fff31dc/
Parent samples :
71eea3c3d6de8b4666d87e3771155bb9c372615eeb5519999ad2fda159f13968
1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582
SH256 hash:
cb472db78ab0cfd099f560d99365f019d60dd416050329881d61e0a688e9acd4
MD5 hash:
570a8c0dd5900d31fac57e9ea7c58e25
SHA1 hash:
6dfbae7a6ffb298d347b429e46ac4af73487d923
Link:
https://www.unpac.me/results/483f95f6-a22c-439b-8281-3ee78fff31dc/
SH256 hash:
975a454835e031a37b391a66f6fb5fd697ae369e501c6f2bce06af22a86dd2a2
MD5 hash:
fb7d3a274f7889af43e90cc2f6662d08
SHA1 hash:
68afefe7db5930e27e6f4fa9685f299bcab74277
Link:
https://www.unpac.me/results/483f95f6-a22c-439b-8281-3ee78fff31dc/
SH256 hash:
1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582
MD5 hash:
52c3bf6b32a777a43cf7b59d0c0b6b46
SHA1 hash:
d691b2d4b44fde837524624af85bccb4b01cd5ec
Link:
https://www.unpac.me/results/483f95f6-a22c-439b-8281-3ee78fff31dc/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c97deae0a90/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/1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582

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:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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
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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
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
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
Rule name:Windows_Generic_Threat_808f680e
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

Executable exe 1c97deae0a90b78b7801e71c84b3308738b9def07711e0088e985e1dad640582

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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