MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bf15d5b8ab7b88887aa29649773482b57ccb34097bb4df35b46081127b47e74. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3bf15d5b8ab7b88887aa29649773482b57ccb34097bb4df35b46081127b47e74
SHA3-384 hash: e85b3b4913c9e89a5f3f6b239352d35acbf47bf4861e9b7bd1101ed72e6ff56ff7c722dd0d2cb5f7b7179fc85b4f0dd0
SHA1 hash: 696b55aec4c900137b18d771ceaac15eac264229
MD5 hash: 3b5039802605696612896328d5b53cd0
humanhash: september-uniform-wyoming-nitrogen
File name:April_purchase order.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:542'720 bytes
First seen:2022-04-07 17:18:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:75TE0ZQEmnD5PdueF79fhLKMymYEVvPojKY3ekrIaE:tTEaMtPWMqEtPNYoa
Threatray 15'712 similar samples on MalwareBazaar
TLSH T1F3B4010EFBA6AEF4E92D43F939319C537F61E407A0BC99EC10C926661D2514250DBECB
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
April_purchase order.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-04-07 17:20:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d5586473-6ca7-45c9-a29d-68a36bd30a10

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261782/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624f1d08d53a7479dad0c9f8/reports/3f8590e9-9600-400e-84aa-04b7987a9539/overview
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/a7f9c0dd-254c-4c4c-951f-de1327a087d3
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/972628
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Double Extension
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 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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 605113 Sample: April_purchase order.pdf.exe Startdate: 07/04/2022 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected AgentTesla 2->72 74 14 other signatures 2->74 7 April_purchase order.pdf.exe 7 2->7         started        11 BGQJU.exe 2->11         started        13 BGQJU.exe 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\mXXBWG.exe, PE32 7->44 dropped 46 C:\Users\user\...\mXXBWG.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmpD666.tmp, XML 7->48 dropped 50 C:\Users\...\April_purchase order.pdf.exe.log, ASCII 7->50 dropped 76 Adds a directory exclusion to Windows Defender 7->76 15 April_purchase order.pdf.exe 2 5 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        30 2 other processes 7->30 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->78 80 Machine Learning detection for dropped file 11->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->82 84 Injects a PE file into a foreign processes 11->84 24 BGQJU.exe 11->24         started        26 powershell.exe 11->26         started        28 schtasks.exe 11->28         started        signatures5 process6 dnsIp7 52 us2.smtp.mailhostbox.com 208.91.199.224, 49743, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->52 40 C:\Users\user\AppData\Roaming\...\BGQJU.exe, PE32 15->40 dropped 42 C:\Users\user\...\BGQJU.exe:Zone.Identifier, ASCII 15->42 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->56 58 Moves itself to temp directory 15->58 60 Tries to steal Mail credentials (via file / registry access) 15->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->62 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        54 208.91.199.223, 49746, 587 PUBLIC-DOMAIN-REGISTRYUS United States 24->54 64 Tries to harvest and steal ftp login credentials 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3bf15d5b8ab7b88887aa29649773482b57ccb34097bb4df35b46081127b47e74/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-04-07 17:19:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 42 (45.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hpyv2w4kw64irb5kffsjo42ifnl4zm2as65u3423iyebcj5upz2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
12aeb7008ac969d3fa71cd68a9280ce4a2684599e61e0b5c321627e924848bf8
AgentTesla
1f159a90cc9a8c72b6f966bb9faf9c7efedcccb3550345b63c9ecbe844d64403
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473cd99f322e449b777abd7a89ffd0f2b1d383223c150ce940fd1fc3bd4f00c5
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50c2f49587eb3b9bd667bfc5a4aef27405652a00b3836ee353589f923c958219
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a0732064020bdb099cd5948a0caefadc8491e45bc6dcc98c57566033f520f09b
AgentTesla
db79d2d8501b876d4d59f41e067ac54ebfaca9863c5aaab7686380284e7a4616
AgentTesla
de144ca731ac926172dd742235946e40673e22684f0c2f346c63584cd0ceaec3
AgentTesla
+ 15'702 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220407-vvtjwaagd7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
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:
ca180779e724e9351c47f106fcd681145b9a4276fcb7bf0cd9161c67157c8ef0
MD5 hash:
9f7fe0c65f0b5a7ca26181f6830af8d3
SHA1 hash:
fc3698c4ef0df9d70fea9906fa04012342781fe7
Link:
https://www.unpac.me/results/62a56bc4-0231-4701-8d96-41aa0b4ddefc/
SH256 hash:
4b9a5d4d62064edf39b80b012ba4c72246d6e315dbf7573f15584b35d449b62e
MD5 hash:
45940f74b99d7afe9ff3ba3ebb243420
SHA1 hash:
d1118cc9ef6006384cb38c1ff6a185d34fd940f7
Link:
https://www.unpac.me/results/62a56bc4-0231-4701-8d96-41aa0b4ddefc/
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
Link:
https://www.unpac.me/results/62a56bc4-0231-4701-8d96-41aa0b4ddefc/
SH256 hash:
f736eaf1a8a000a611fd6dfca4b7292222fa436a2fd57459588ebcb82447ba2f
MD5 hash:
3d6d39f93ffe2f9ca5b8f71189ffa8f0
SHA1 hash:
28d05c3f6916b690f1c1bf8884b737baf46d4ebf
Link:
https://www.unpac.me/results/62a56bc4-0231-4701-8d96-41aa0b4ddefc/
SH256 hash:
3bf15d5b8ab7b88887aa29649773482b57ccb34097bb4df35b46081127b47e74
MD5 hash:
3b5039802605696612896328d5b53cd0
SHA1 hash:
696b55aec4c900137b18d771ceaac15eac264229
Link:
https://www.unpac.me/results/62a56bc4-0231-4701-8d96-41aa0b4ddefc/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3bf15d5b8ab7/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/3bf15d5b8ab7b88887aa29649773482b57ccb34097bb4df35b46081127b47e74

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: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.

Malspam

AgentTesla

Executable exe 3bf15d5b8ab7b88887aa29649773482b57ccb34097bb4df35b46081127b47e74

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/261782/

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