MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12c5985bdf91692c3fad7b4c628f5f7edcd8e83dc60aaeea5b90c2e576758d90. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 12c5985bdf91692c3fad7b4c628f5f7edcd8e83dc60aaeea5b90c2e576758d90
SHA3-384 hash: 4e99e18288c5efb4afa99962997f05bd6743dc7a594dc8c7427f5a4db29657d2204d3bf96f51021bdf23f7406a8c54fe
SHA1 hash: 4014d115f17f42ea0054f8344067482386c3fd20
MD5 hash: fc5a80ce55d2ee41ba7409916a2007b6
humanhash: carbon-jersey-happy-west
File name:fc5a80ce55d2ee41ba7409916a2007b6.exe
Download: download sample
Signature AgentTesla
File size:894'464 bytes
First seen:2021-03-24 17:25:15 UTC
Last seen:2021-03-24 19:16:57 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 24576:KY73XaFGh9ZwzVc1gxufWSwbIPYsGf8m92:v7lh9ZwzVsgxueSwcAsGfv
Threatray 3'740 similar samples on MalwareBazaar
TLSH C415D19220ECD290D422BEFCC96BE3E33716CAA78790D74635BCD4466267B9BD51340E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fc5a80ce55d2ee41ba7409916a2007b6.exe
Verdict:
Malicious activity
Analysis date:
2021-03-24 17:29:27 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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 very large array initializations
Binary contains a suspicious time stamp
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 375306 Sample: ijbus7vS5X.exe Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Yara detected AgentTesla 2->37 39 6 other signatures 2->39 7 ijbus7vS5X.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\SzeaWOJ.exe, PE32 7->21 dropped 23 C:\Users\user\...\SzeaWOJ.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\Temp\tmp977.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\ijbus7vS5X.exe.log, ASCII 7->27 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 11 ijbus7vS5X.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 ijbus7vS5X.exe 7->17         started        signatures5 process6 dnsIp7 29 smtp.yandex.ru 77.88.21.158, 49771, 587 YANDEXRU Russian Federation 11->29 31 smtp.yandex.com 11->31 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file 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        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-24 17:26:06 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
SH256 hash:
12c5985bdf91692c3fad7b4c628f5f7edcd8e83dc60aaeea5b90c2e576758d90
MD5 hash:
fc5a80ce55d2ee41ba7409916a2007b6
SHA1 hash:
4014d115f17f42ea0054f8344067482386c3fd20
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 12c5985bdf91692c3fad7b4c628f5f7edcd8e83dc60aaeea5b90c2e576758d90

(this sample)

  
Delivery method
Distributed via web download

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