MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c. 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: 19


Intelligence 19 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c
SHA3-384 hash: a7fc8c455d2d904acb607ef110756b84d31ee6a5c50d4ffe8a2ec6f574312ad45906c5e28f10ec4854b5e804af98dfb1
SHA1 hash: 5c70703b5367d69cc5dafd0f1f6991cf709eb169
MD5 hash: a9df0859c2d2b427297ebfe20151ff27
humanhash: three-december-enemy-sad
File name:Photos and Quotation.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:734'728 bytes
First seen:2024-06-11 13:41:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'620 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:iq3qyJMMEVK4mO/EKm8a55oX4ehtKaKNG3APCjX2aYhruzkR:Z6OfK/gd554Dt0NmV72XhKm
Threatray 1'058 similar samples on MalwareBazaar
TLSH T1AEF4128026BE9601D57E8BF518A841009FB578260D66C34DCDC7ADEA6E71BC0D61FF2B
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 31f0d4b2b2f0e871 (10 x AgentTesla, 8 x Formbook, 3 x Loki)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
412
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 13:43:30 UTC
Tags:
smtp agenttesla stealer
Link:
https://app.any.run/tasks/db645745-cb0d-4f22-bc30-680a540f2317

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10031556-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6668549fa439c6d6b0877919win7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Static Stealth Msil Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c
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/45a0efb2-c10d-4f83-9ced-9c78f22645a1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1455192
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
Snort IDS alert for network traffic
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455192 Sample: Photos and Quotation.pdf.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 57 mail.shaktiinstrumentations.in 2->57 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 16 other signatures 2->67 8 Photos and Quotation.pdf.exe 7 2->8         started        12 dLSVjt.exe 5 2->12         started        14 boqXv.exe 2->14         started        16 boqXv.exe 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\dLSVjt.exe, PE32 8->49 dropped 51 C:\Users\user\...\dLSVjt.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmp6B33.tmp, XML 8->53 dropped 55 C:\Users\...\Photos and Quotation.pdf.exe.log, ASCII 8->55 dropped 83 Writes to foreign memory regions 8->83 85 Allocates memory in foreign processes 8->85 87 Adds a directory exclusion to Windows Defender 8->87 18 RegSvcs.exe 1 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 93 Injects a PE file into a foreign processes 12->93 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 59 mail.shaktiinstrumentations.in 162.251.85.202, 49710, 49713, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->59 47 C:\Users\user\AppData\Roaming\...\boqXv.exe, PE32 18->47 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 73 Loading BitLocker PowerShell Module 23->73 37 conhost.exe 23->37         started        39 WmiPrvSE.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->75 77 Tries to steal Mail credentials (via file / registry access) 29->77 79 Tries to harvest and steal ftp login credentials 29->79 81 Tries to harvest and steal browser information (history, passwords, etc) 29->81 45 conhost.exe 31->45         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-06-05 04:17:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=inuamcfidy6hbaemede4zupafcrvrcbup7xy4zq4j7cly565am6a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
3c4a6a16a5d8679e83400b100265e0513f5993e513d5f17c875976b09cd1bf25
AgentTesla
7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd
AgentTesla
9806d3ef46ca4ff43aa761d7748c3c3963f350573abcc52574a333fd89a28bc5
AgentTesla
d3930c8a1f76597757a019c4ff92aa84de54045ae44fac8008c296b767576b9a
AgentTesla
+ 1'048 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240611-qznf7syepg/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/020ff854-6d20-4396-b942-df62a6ef79d8
Unpacked files
SH256 hash:
9e7f2840f177fc2bd5859256cf66c1ff6582950cbb59fa8bdb9c42eba75f4d96
MD5 hash:
a51d574cd289c2047172da1dd637de03
SHA1 hash:
b1be6dba3e1f33e05a5e6dd1f09e6df7a3885ec1
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
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/40befe17-a75c-4f22-803b-ffe5caad44c8/
Parent samples :
cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2
0eebf72cc9f4ef61a8f3156e1c01ba3925678f75522e494abcde74c3eadc9e85
dab08316237689567503235b86da2d588db8bb578efad464a92244ed4845e68d
d805fa30c5a21577d313cdd875417e3a3cb4a95e67f71ddeeff0231808f0223b
09a3694a94074c3c3c29f6a7c03b74a8f87b79635958b820bcaed112afe0cea9
d3ee113c39ec074e30b6248bc6362ee4c742214e075538b708384e01bf1e2d97
fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0
63219f4d5975bf956a1c5c8b98011f721cfb1e2b4894c6ec9f5a94d77e2652e8
39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b
c5f86f85e52efd5177495ad2d53703196ce09c3503a540c99d50c1ae968b0a8f
7fc26cd7c47a6df2161ff027d6ae130d68330e7db4ef0f5f0a27edbcc7802762
da9541943d92927db01c0fed64c86ea72c144306e3f1ef7794a4705261a67f69
43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c
a8f2236113b02ad70869ff572265549d509530a6206b8afeb9dc11f458599c09
bf252b8ef4fb77ea9b7a7369d779f7bcb5160bb2af7d40859978b78d873400b4
11c37fead8b02d4646499109187b632dc2ec2f49d842e7aabb3bb93d7ce3d538
5223dbf673bce63ab81bbdfecc931ddd6d9a8d3c138e269e479e56167eed1c50
fec7c785b5cab74579e38a8b33a3fdfa91ea44356f31c29b793680f7740f663e
9e7f2840f177fc2bd5859256cf66c1ff6582950cbb59fa8bdb9c42eba75f4d96
3529d112d7187b8dbb5a73b031c1cf1c7341a49d84290d98065be1786874b76a
ed48c621c71ba4656924a10d327ea39fd70f6435813b2811465ac1ae2b77ce61
ca9f996e829c1e7ad89c66f78bde33741d46a0b7ed03c8892f263937b0e6b400
5620e82c34754f8c0a8ee61597fd43b037e810f2dc2be1b2968dfbfee279bd26
b9fecad5e2608354188022661b5e468b713da87adaaeda9d574fd3526c39cde3
SH256 hash:
7b07163686023e638dc58b291271e78a455f16d8852680cce9accee4cbbdb26a
MD5 hash:
12c0bb10d1e6be14e780fb32d9697caf
SHA1 hash:
b100460bbc49fc8e1ee2859aa4b44d46669a1f62
Link:
https://www.unpac.me/results/40befe17-a75c-4f22-803b-ffe5caad44c8/
SH256 hash:
b20fc5187b8e830f063569723041fa205261fd08f9c420f1f05d7b5d46b4d4ed
MD5 hash:
6106999ea8ecbd99fab7dcb187914246
SHA1 hash:
6fa0ff9c6c1340602f84bfa9be68a55a3e6dddb2
Link:
https://www.unpac.me/results/40befe17-a75c-4f22-803b-ffe5caad44c8/
SH256 hash:
55729815a6ad44739f2af0c7a7096f4153fcc109d440f23d0d609065e96b625e
MD5 hash:
82a8fdab718d8d9c1c82472293a72e3d
SHA1 hash:
042c0d08baf858128d32c01476380e142891456e
Link:
https://www.unpac.me/results/40befe17-a75c-4f22-803b-ffe5caad44c8/
SH256 hash:
43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c
MD5 hash:
a9df0859c2d2b427297ebfe20151ff27
SHA1 hash:
5c70703b5367d69cc5dafd0f1f6991cf709eb169
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/40befe17-a75c-4f22-803b-ffe5caad44c8/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43680608a81e/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/43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c

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: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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
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
Rule name:Windows_Generic_Threat_9f4a80b2
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 43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c

(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

Comments