MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c37af064eb2a3ab0fab7221cdf02319e8b613cb5dff145f639402a6ce4cbfa7f. 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 7 File information Comments
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SHA256 hash: c37af064eb2a3ab0fab7221cdf02319e8b613cb5dff145f639402a6ce4cbfa7f
SHA3-384 hash: 590198514029fc3aa1aea90febc865c5ac5d160a31f6e075cfe2c8afb355a94ef17f7c092072101f589ee9535abfe217
SHA1 hash: c71e60cc64fa53f8efc7c59ca5a9fea7a4eba8eb
MD5 hash: 41472fa777a85030ef6b8bcf9ffadf0a
humanhash: iowa-alabama-zebra-muppet
File name:HFG8I.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:719'368 bytes
First seen:2024-03-04 13:41:02 UTC
Last seen:2024-03-04 15:24:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1fvL9bW9ezR+EEdZW/buHQxF7jHxZyBgpHArLhUx72umPnMWDc2KBNkR:1HL9iyR+EEd0DHDXvMJnumUWJd
TLSH T1A8E4121523AC662BCAFF0AF82136186047F5E0877C15D7EA5C8064EF4BE5FC19691A2F
TrID 49.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.7% (.SCR) Windows screen saver (13097/50/3)
7.0% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 64e4c1ac66e6f4b8 (3 x AgentTesla, 1 x RedLineStealer, 1 x Formbook)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
HFG8I.zip
Verdict:
Malicious activity
Analysis date:
2024-02-28 08:29:34 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/cceee775-48ee-456b-a3b6-e059243ef512

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/65e5cf8695e2f0fb7a8bd28a/reports/cedfbe7f-7e8e-4ebe-bb5d-882baa809b10/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c37af064eb2a3ab0fab7221cdf02319e8b613cb5dff145f639402a6ce4cbfa7f
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/733bdf56-c7f6-49ca-b545-9f77d91bbeae
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/1402681
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402681 Sample: HFG8I.bat.exe Startdate: 04/03/2024 Architecture: WINDOWS Score: 100 42 mail.paksafety-sa.com 2->42 44 paksafety-sa.com 2->44 46 api.ipify.org 2->46 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 11 other signatures 2->58 8 HFG8I.bat.exe 7 2->8         started        12 QoJYmOcjHwL.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\QoJYmOcjHwL.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\Temp\tmpEA4.tmp, XML 8->40 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Writes to foreign memory regions 8->62 64 Allocates memory in foreign processes 8->64 66 Adds a directory exclusion to Windows Defender 8->66 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 22 8->20         started        22 schtasks.exe 1 8->22         started        68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 72 Injects a PE file into a foreign processes 12->72 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 paksafety-sa.com 116.202.192.178, 49736, 49739, 587 HETZNER-ASDE Germany 14->48 50 api.ipify.org 104.26.13.205, 443, 49734, 49738 CLOUDFLARENETUS United States 14->50 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->76 78 Tries to steal Mail credentials (via file / registry access) 14->78 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c37af064eb2a3ab0fab7221cdf02319e8b613cb5dff145f639402a6ce4cbfa7f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c37af064eb2a3ab0fab7221cdf02319e8b613cb5dff145f639402a6ce4cbfa7f/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-02-28 04:11:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yn5pazhlfi5lb6vxeion6arrt2fwcpfv37yul5rziavgzzgl7j7q._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240304-qy8qracf76/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/02644931-bf1a-4bbd-bc8a-9871079909a1/
SH256 hash:
85f9c47e8995997f57f107968db6badc1302f4c38538f44f58aa2e547e4bc39a
MD5 hash:
f324cba383d7c55a258df65b089cc46f
SHA1 hash:
ceef70acfd4ff6abc84e01840c3abf49f810846c
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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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/02644931-bf1a-4bbd-bc8a-9871079909a1/
SH256 hash:
0190398cd1ee7458b2ad4de5bae10989d4f63420c848cc3c80a3c69296dc383f
MD5 hash:
970503effbe2981f2044430e63d4fb4e
SHA1 hash:
5a4c26491580bd7f79c8a4805ef36e9ecf3f1556
Link:
https://www.unpac.me/results/02644931-bf1a-4bbd-bc8a-9871079909a1/
SH256 hash:
fa8936e48f6639deab153d7be7604e478fbc5f6c8471dbd4683976e314fe1c91
MD5 hash:
4bc002e972beca5e41376a6c3ab725bd
SHA1 hash:
150124b618fd2973c1ec04297b7236dd39e0f8af
Link:
https://www.unpac.me/results/02644931-bf1a-4bbd-bc8a-9871079909a1/
SH256 hash:
c37af064eb2a3ab0fab7221cdf02319e8b613cb5dff145f639402a6ce4cbfa7f
MD5 hash:
41472fa777a85030ef6b8bcf9ffadf0a
SHA1 hash:
c71e60cc64fa53f8efc7c59ca5a9fea7a4eba8eb
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/02644931-bf1a-4bbd-bc8a-9871079909a1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c37af064eb2a3ab0fab7221cdf02319e8b613cb5dff145f639402a6ce4cbfa7f

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Malspam

AgentTesla

Executable exe c37af064eb2a3ab0fab7221cdf02319e8b613cb5dff145f639402a6ce4cbfa7f

(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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