MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a85d12c41b178b8f365537d07d1f6a6e83a5015b7dfa4c2aa20fe4fa36788835. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a85d12c41b178b8f365537d07d1f6a6e83a5015b7dfa4c2aa20fe4fa36788835
SHA3-384 hash: fd9f3b200a1c442b15710d5d304e68511f36d49187ffa5598a25cd2bef1ffffbf766402c6092399010a6d84ad525bbf4
SHA1 hash: 31f656bcda0ce3b44d9fc51da90f2ad8053b0c6b
MD5 hash: 7e6af4afe2d4d9db652c42b853f062ad
humanhash: comet-twelve-nitrogen-equal
File name:Yu-Ting#0120210623.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:598'528 bytes
First seen:2021-07-03 06:07:48 UTC
Last seen:2021-07-06 15:58:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:PNcaHS2+wehDlYJRFpJqA22ptRHPsE6JQConU98siAW+hhf:p03DlYJtcA3tRvsEAQgysia
TLSH DDD4125C359862EED033EF3A59E43CA5FA75B537270B910B2093034A8A1EE42DF61977
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Yu-Ting#0120210623.exe
Verdict:
Malicious activity
Analysis date:
2021-07-03 06:13:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/893ebb01-c50d-4e5c-b12e-d7a483088159

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/169465/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.900-1.UNOFFICIAL
Create hunting rule

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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3856a3ad-fc24-4b86-b547-403ddfc0c550
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811371
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 443779 Sample: Yu-Ting#0120210623.exe Startdate: 03/07/2021 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 7 other signatures 2->49 7 Yu-Ting#0120210623.exe 6 2->7         started        11 pGKuRU.exe 5 2->11         started        13 pGKuRU.exe 2 2->13         started        process3 file4 31 C:\Users\user\AppData\...\amAWebeKqgoxQj.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmpDB27.tmp, XML 7->33 dropped 35 C:\Users\user\...\Yu-Ting#0120210623.exe.log, ASCII 7->35 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 15 Yu-Ting#0120210623.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        21 Yu-Ting#0120210623.exe 7->21         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 23 schtasks.exe 1 11->23         started        25 pGKuRU.exe 11->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\pGKuRU.exe, PE32 15->37 dropped 39 C:\Users\user\...\pGKuRU.exe:Zone.Identifier, ASCII 15->39 dropped 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 27 conhost.exe 19->27         started        29 conhost.exe 23->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a85d12c41b178b8f365537d07d1f6a6e83a5015b7dfa4c2aa20fe4fa36788835/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-02 21:15:30 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vborfra3c6fy6nsvg7ih2h3kn2b2kak3px5eykvcb7spuntyra2q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210703-rzbv6srs8j/
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
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:
a75819c81204ea86ecaeb25dad3b070cf64a950abfc479ebb5abd958a6d469c7
MD5 hash:
eea4a9488ca5d523f8d6173572596915
SHA1 hash:
b40f2c02fd2a663065e09eb69630838da5abd7c5
Link:
https://www.unpac.me/results/54792f9c-756b-42f1-a7b3-48aa4e005c82/
SH256 hash:
9c1e64f8053c99980fea3625a9d6a1ecdae4b2a5eebec24456ee042313e1417e
MD5 hash:
51617ee75d38c4a2dd005f193ee66ce5
SHA1 hash:
96cb665566445a411373f11c1dce682231e2c0cb
Link:
https://www.unpac.me/results/54792f9c-756b-42f1-a7b3-48aa4e005c82/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/54792f9c-756b-42f1-a7b3-48aa4e005c82/
SH256 hash:
a85d12c41b178b8f365537d07d1f6a6e83a5015b7dfa4c2aa20fe4fa36788835
MD5 hash:
7e6af4afe2d4d9db652c42b853f062ad
SHA1 hash:
31f656bcda0ce3b44d9fc51da90f2ad8053b0c6b
Link:
https://www.unpac.me/results/54792f9c-756b-42f1-a7b3-48aa4e005c82/
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/a85d12c41b178b8f365537d07d1f6a6e83a5015b7dfa4c2aa20fe4fa36788835

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 a85d12c41b178b8f365537d07d1f6a6e83a5015b7dfa4c2aa20fe4fa36788835

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/169465/

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