MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78af4e9c1f31817ce195cd77aea8659a75148c5a302b35e9c17f2ff93a696a0c. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 78af4e9c1f31817ce195cd77aea8659a75148c5a302b35e9c17f2ff93a696a0c
SHA3-384 hash: 2c621204bdd7030466b8ba119b6100245363331d587ac215b4a138229ab1c833e331dd3e830657f7211fb8f215bd6865
SHA1 hash: 228f8081288f70c35f33e5edd5394c1fb8a6cdd6
MD5 hash: 89ca2118db943ad848bec5c57179ff90
humanhash: summer-earth-kentucky-high
File name:REVISE QUOTATION 21.04.2021.pdf (113K).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'116'160 bytes
First seen:2021-04-22 05:44:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:XGgu78BvNbn5O1AERRRRR4pWAhcdabizRTc588u:aQgTRRRRR4k6oaim8
Threatray 4'137 similar samples on MalwareBazaar
TLSH ED356C22A7909F38F07F97394024250897F9BE26D721EA4E7CD634CD5671F82C6A271B
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REVISE QUOTATION 21.04.2021.pdf (113K).exe
Verdict:
Suspicious activity
Analysis date:
2021-04-22 01:06:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5a617f14-7e1d-4ff5-a1d0-eecf3a5654ae

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/143513/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.674-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/692283
Signature
.NET source code contains very large array initializations
Found malware configuration
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
Installs a global keyboard hook
Modifies the hosts file
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 395078 Sample: REVISE QUOTATION 21.04.2021... Startdate: 22/04/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected AgentTesla 2->51 53 6 other signatures 2->53 6 REVISE QUOTATION 21.04.2021.pdf (113K).exe 3 2->6         started        10 nTKtwI.exe 3 2->10         started        12 nTKtwI.exe 2 2->12         started        process3 file4 27 REVISE QUOTATION 2....pdf (113K).exe.log, ASCII 6->27 dropped 55 Injects a PE file into a foreign processes 6->55 14 REVISE QUOTATION 21.04.2021.pdf (113K).exe 2 5 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->61 19 nTKtwI.exe 2 10->19         started        21 nTKtwI.exe 2 12->21         started        23 nTKtwI.exe 12->23         started        25 nTKtwI.exe 12->25         started        signatures5 process6 dnsIp7 35 snacksnco.com 146.71.86.122, 49769, 587 SHOCK-1US United States 14->35 37 mail.snacksnco.com 14->37 29 C:\Users\user\AppData\Roaming\...\nTKtwI.exe, PE32 14->29 dropped 31 C:\Users\user\...\nTKtwI.exe:Zone.Identifier, ASCII 14->31 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file access) 14->41 43 Tries to harvest and steal ftp login credentials 14->43 45 4 other signatures 14->45 33 C:\Windows\System32\drivers\etc\hosts, ASCII 21->33 dropped file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/78af4e9c1f31817ce195cd77aea8659a75148c5a302b35e9c17f2ff93a696a0c/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-04-21 04:55:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
65
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pcxu5ha7ggaxzymvzv325kdftj2rjdc2gavtl2obp4x7sotjniga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
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a3a2ad325fcc84f63b237101a71e7ebe6dbfd52c9fd44fa076700777d8969659
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c8b6a81e3265d871aa1aa3b678c603cdd7679585a4be435d1fd95d650a7eaf95
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cd21f313637dcce24e8ca5cb45937fcbaeade384bb435e215e6abcee06e44757
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df44cd96fc150bf5fe37a7eb55c98f30edbe8899d2b7ed86f42741b99405a67b
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e010bf9f74b274d6370a889265f97093b84662809605c0a862e36733c3d06be8
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e25588ef7f6dc061277b4380dc1f9ad034f1eb74c254cd778fea2ab7fe1783ab
AgentTesla
+ 4'127 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210422-atpzb2r4qa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/78af4e9c1f31817ce195cd77aea8659a75148c5a302b35e9c17f2ff93a696a0c

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
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.

Malspam

AgentTesla

rar 3638135eb0f487e5b5b003d1f090554b0f6fe96ac90da04a1ff683156b164bd7

AgentTesla

Executable exe 78af4e9c1f31817ce195cd77aea8659a75148c5a302b35e9c17f2ff93a696a0c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3638135eb0f487e5b5b003d1f090554b0f6fe96ac90da04a1ff683156b164bd7
Cape
Cape
https://www.capesandbox.com/analysis/143513/

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