MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c54efd3c41e975a8e0ebe58f326091fc3a41979d6708341d50225cfcb3003918. 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 2 File information Comments

SHA256 hash: c54efd3c41e975a8e0ebe58f326091fc3a41979d6708341d50225cfcb3003918
SHA3-384 hash: 85c2f3a355b8ed05184946f22e8bead4acc09505935752f1416d7afb9f78e244427a551fe5137a8725644801d660b0d9
SHA1 hash: 8db46d5a115b6f376aea140e49d63249a9b9f6d6
MD5 hash: 5b166feb1143b979d5dc5993bbea221b
humanhash: enemy-hot-earth-equal
File name:Credit Details030839.exe
Download: download sample
Signature AgentTesla
File size:754'688 bytes
First seen:2023-07-19 05:44:35 UTC
Last seen:2023-07-24 07:35:57 UTC
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:Sf+28cW9RojRfb/WT4UkuZNajzWWzPxsbCj/CssVIX+EpuESXq5ZM+11jf4fdg+W:SG28cW9RojRfzW/ZNUWoGWzxuEuzXITG
Threatray 5'021 similar samples on MalwareBazaar
TLSH T184F4E010362C8F17D8BCA3FD9564511453F95A57A62EC3498EC33CEF39AAF414B42A2B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
9
# of downloads :
266
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Credit Details030839.exe
Verdict:
Malicious activity
Analysis date:
2023-07-19 05:45:08 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
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)
Sample uses string decryption to hide its real strings
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
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1275646 Sample: Credit_Details030839.exe Startdate: 19/07/2023 Architecture: WINDOWS Score: 100 74 Multi AV Scanner detection for domain / URL 2->74 76 Found malware configuration 2->76 78 Antivirus detection for URL or domain 2->78 80 5 other signatures 2->80 7 Credit_Details030839.exe 7 2->7         started        11 raZiUVB.exe 5 2->11         started        13 frzUzPb.exe 2->13         started        15 frzUzPb.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\Roaming\raZiUVB.exe, PE32 7->52 dropped 54 C:\Users\user\...\raZiUVB.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\Temp\tmpF69.tmp, XML 7->56 dropped 58 C:\Users\...\Credit_Details030839.exe.log, ASCII 7->58 dropped 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->90 92 May check the online IP address of the machine 7->92 94 Uses schtasks.exe or at.exe to add and modify task schedules 7->94 96 Adds a directory exclusion to Windows Defender 7->96 17 Credit_Details030839.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        98 Multi AV Scanner detection for dropped file 11->98 100 Injects a PE file into a foreign processes 11->100 26 raZiUVB.exe 11->26         started        32 2 other processes 11->32 28 frzUzPb.exe 13->28         started        34 2 other processes 13->34 30 frzUzPb.exe 15->30         started        36 4 other processes 15->36 signatures5 process6 dnsIp7 60 valerehandstand.com 66.29.132.105, 49699, 49700, 49701 ADVANTAGECOMUS United States 17->60 62 api4.ipify.org 104.237.62.211, 443, 49697, 49698 WEBNXUS United States 17->62 64 api.ipify.org 17->64 48 C:\Users\user\AppData\Roaming\...\frzUzPb.exe, PE32 17->48 dropped 50 C:\Users\user\...\frzUzPb.exe:Zone.Identifier, ASCII 17->50 dropped 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->82 84 Tries to steal Mail credentials (via file / registry access) 17->84 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->86 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        72 2 other IPs or domains 26->72 66 64.185.227.156, 443, 49703, 49705 WEBNXUS United States 28->66 68 api.ipify.org 28->68 70 api.ipify.org 30->70 88 Tries to harvest and steal browser information (history, passwords, etc) 30->88 42 conhost.exe 32->42         started        44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-07-18 03:28:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
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
Adds Run key to start application
Looks up external IP address via web service
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:
c1796a8cf6be4b31342d3ba730ee278132be920a0b0946531edfd5d3ab2415ef
MD5 hash:
594173a93a04d2b9ed53ee505a9d418b
SHA1 hash:
f2c5e775bf98475700c428dd92c2d25ee330e96b
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
875ba19299d6528ad09af4c6a46004cfafea90497e1e3481583e53355941ab9a
MD5 hash:
4e533f21e2c0fc0f49bac95c05c2a628
SHA1 hash:
844a6adb51a33ba987faa713dea3af7f636816af
SH256 hash:
1d99860cf474e165aed1e26ef05f3681ecfc4b851fe2f13430f1d676c82b5503
MD5 hash:
04dea6cf234b60f15e03da280832591a
SHA1 hash:
550ac0c4740da1da0de73bcb9d5d37cb18076d8d
Detections:
AgentTeslaXorStringsNet
SH256 hash:
c54efd3c41e975a8e0ebe58f326091fc3a41979d6708341d50225cfcb3003918
MD5 hash:
5b166feb1143b979d5dc5993bbea221b
SHA1 hash:
8db46d5a115b6f376aea140e49d63249a9b9f6d6
Malware family:
AgentTesla.v4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 c54efd3c41e975a8e0ebe58f326091fc3a41979d6708341d50225cfcb3003918

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments