MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf1f364fe72af0a7aa7a4ebc51053c3b05c956f6e099b2bc0e1c0d7e0958b73d. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf1f364fe72af0a7aa7a4ebc51053c3b05c956f6e099b2bc0e1c0d7e0958b73d
SHA3-384 hash: 162bcee2cfe83e6ca58c9861ce5eafe36aaa47efdc020002377976c11dc2735890689252a082b3c14be18ddb76513c70
SHA1 hash: e90ae1360b4cf0a5b18a5044bc0c3e1d6e3ddd70
MD5 hash: d6c983e5b818c16355ec31af629e3d3e
humanhash: diet-kilo-bulldog-robert
File name:PO 810884,810904.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:487'936 bytes
First seen:2021-11-16 06:44:51 UTC
Last seen:2021-11-16 14:05:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:hx0BJMesOcMYF52fV7zsbFdUyo8vgW8ezBnjay12ZzzNoLb3QrJUFICNEVD:cSesOrrfpsFnzvgW8ezBnQhJqjQWxN
Threatray 13'320 similar samples on MalwareBazaar
TLSH T15BA4CE2036A6910AC9BA7FF11C76918157767DA67A14C25E28F8370C9D73723CF027AE
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/206232/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6193537243e8f62b6694e0cc/reports/6f5ee037-e488-4f04-947e-9cee29577c70/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/00cc232e-e9b2-4da7-b96c-fbfd61102fd8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/890118
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 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: 522591 Sample: PO 810884,810904.exe Startdate: 16/11/2021 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->39 41 12 other signatures 2->41 7 PO 810884,810904.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\PcceZNoauPbkX.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp389C.tmp, XML 7->25 dropped 27 C:\Users\user\...\PO 810884,810904.exe.log, ASCII 7->27 dropped 43 Adds a directory exclusion to Windows Defender 7->43 45 Injects a PE file into a foreign processes 7->45 11 PO 810884,810904.exe 2 7->11         started        15 powershell.exe 23 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 ns.e-sen.cz 81.2.197.205, 49812, 587 INTERNET-CZKtis238403KtisCZ Czech Republic 11->29 31 192.168.2.1 unknown unknown 11->31 33 webmail.e-sen.cz 11->33 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf1f364fe72af0a7aa7a4ebc51053c3b05c956f6e099b2bc0e1c0d7e0958b73d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-16 02:08:37 UTC
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4ptmt7hflykpkt2j26fcbj4hmc4svxw4cm3fpaodqgx4ckyw46q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02762aca2af3930f52266ec01cdf48f2c952ccbeea843bb7894d2286355f0ff3
AgentTesla
38cf806ecaf30b5209ebce1a41e7ac877d3201cec05f4a665fe85797a7069bbc
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43ce04c6b8f460899f646dde2d89608c45c52982dc389182d70a4c86cd20ce4a
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5dd92be22d005624d865ddf07402eb852426fc97baa52bbc58316690d41adb74
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6836e1ee6c7e44682e74d3e017a74673e3e815534c9842a7580dd56fb0ae3361
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81a5ce1c2439d2dca4eabecfc150f3fa1003f570913157a74cf1c5c1737f006d
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aa0d2b1a0c9212a21452fce2ca367d530b6d84f1556957b14e4ab5a4f235bf8b
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bda8b57cfb54635dddd83ed0fb37e2c37450494b1692c0a4e5985024c009e814
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ce6f26feac8b78450380877161487e271e676a50cc93f8a7a2ecea65b5e41020
AgentTesla
+ 13'310 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211116-hldqvahfhk/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/89db06d2-1bfd-45fd-b2c4-ac70da96aac2/
SH256 hash:
b92b5c68e0d7c7d52296811d67614298e9fd876cd3d78f6c40aeafe90ca26fb8
MD5 hash:
5478af548db154ffbb1f7e1531edeb7b
SHA1 hash:
48dc316541e96f3552bbbdada94e2e7b634f3246
Link:
https://www.unpac.me/results/89db06d2-1bfd-45fd-b2c4-ac70da96aac2/
SH256 hash:
50ba0f84e2222a5e00d8a59440183672c622a9be9af72bbf6bc43879354f985d
MD5 hash:
b786ddf3fd69179794cb3040a83c23b4
SHA1 hash:
2174c508a8f04bfba95fec45cb6974864706135d
Link:
https://www.unpac.me/results/89db06d2-1bfd-45fd-b2c4-ac70da96aac2/
SH256 hash:
cf1f364fe72af0a7aa7a4ebc51053c3b05c956f6e099b2bc0e1c0d7e0958b73d
MD5 hash:
d6c983e5b818c16355ec31af629e3d3e
SHA1 hash:
e90ae1360b4cf0a5b18a5044bc0c3e1d6e3ddd70
Link:
https://www.unpac.me/results/89db06d2-1bfd-45fd-b2c4-ac70da96aac2/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cf1f364fe72a/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/cf1f364fe72af0a7aa7a4ebc51053c3b05c956f6e099b2bc0e1c0d7e0958b73d

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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 cf1f364fe72af0a7aa7a4ebc51053c3b05c956f6e099b2bc0e1c0d7e0958b73d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/206232/

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