MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75541b1c1368df4b0d57b110a1860b004486def9ad4066eb2245c864da461c59. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75541b1c1368df4b0d57b110a1860b004486def9ad4066eb2245c864da461c59
SHA3-384 hash: b13dba0bfa9c93f1bd0537b27144c3702f33747cf27412635d9b1dbdeafc1ab166636744081740a9c64a21accd403978
SHA1 hash: f2dcf6d6d64a78921148c633582db2de46d4ee6e
MD5 hash: 5a7fac3afb06ac4786ce7455326702d2
humanhash: sixteen-sweet-maryland-batman
File name:Bank Slip.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:652'288 bytes
First seen:2022-06-30 05:22:32 UTC
Last seen:2022-06-30 06:22:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:84pKE02iNvaAwTqcb2UeSz1swSyBLJFn83I1o/qV7kSLm0i:Xu1m7b2U5zaELJFqIWCV7fG
Threatray 5'541 similar samples on MalwareBazaar
TLSH T1E6D4D02632ACBE00C07ED7F93550921006F7834DFA36D57A3DA6198E69D1FC263627E6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/284502/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62bd337487c294f96f8bad35/reports/51ee88f9-8ac7-449d-94f4-716dd8c3361c/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/5c464982-fe63-4c1d-acde-cdba77d6af2b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1022372
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
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
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 654868 Sample: Bank Slip.exe Startdate: 30/06/2022 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 12 other signatures 2->72 7 Bank Slip.exe 6 2->7         started        11 gNSLW.exe 5 2->11         started        13 gNSLW.exe 2 2->13         started        process3 file4 38 C:\Users\user\AppData\...\xGvexZmYBPqWFs.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpCB72.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\Bank Slip.exe.log, ASCII 7->42 dropped 74 Writes to foreign memory regions 7->74 76 Injects a PE file into a foreign processes 7->76 15 Bank Slip.exe 2 9 7->15         started        20 BackgroundTransferHost.exe 13 7->20         started        22 schtasks.exe 1 7->22         started        78 Multi AV Scanner detection for dropped file 11->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->80 82 Machine Learning detection for dropped file 11->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->84 24 gNSLW.exe 6 11->24         started        26 schtasks.exe 1 11->26         started        signatures5 process6 dnsIp7 44 contrivekota.in 184.168.102.151, 49752, 49755, 49760 AS-26496-GO-DADDY-COM-LLCUS United States 15->44 46 webmail.contrivekota.in 15->46 32 C:\Users\user\AppData\Roaming\...\gNSLW.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 36 C:\Users\user\...\gNSLW.exe:Zone.Identifier, ASCII 15->36 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Modifies the hosts file 15->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->60 28 conhost.exe 22->28         started        48 webmail.contrivekota.in 24->48 62 Tries to harvest and steal ftp login credentials 24->62 64 Tries to harvest and steal browser information (history, passwords, etc) 24->64 30 conhost.exe 26->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/75541b1c1368df4b0d57b110a1860b004486def9ad4066eb2245c864da461c59/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-06-30 02:59:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ovkbwhatndpuwdkxweikdbqlabcinxxzvvagn2zcixegjwsgdrmq._file
Verdict:
malicious
Similar samples:
1ae49e063ac19c1a38f5a724aa4af99562c91b6b405210f38b9e5000c023fbc3
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3663acaaa212e1452963dd32a7c584f9de81cf12fa2d8c1fa61c6d1013ee688c
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646b569b3ef20383d99349fde21accd8f56cb7f609ffe2e7efafa194587b4c06
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6f3af06b29fcd384b8f9aab52412ccbd2b46686aeb67c28dd1b60e47650c8332
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6f5e85426d9ed199da9806bfae8480e3d44d0243c9153ae5c0fa9764c3fef90a
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76bf1e687e5092ee9855c9db8577a6cb68d437833acf7bebebfb1fc1cbda167d
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ce1074db9c9d7a0fcbdb9a596eaf2202ea6d72accfe4c69af7a8ca01423cf795
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ce7e5b58fa3bb85057b76075fe3311844b68adfc7b4503f9bebbb16e199de154
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d10d444d350256dc2891da373c1b2afc32e686e227c74d7e97631de5a8b3b1fe
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d1d07d3a85bdacc41a20c1380030da1f39b8b22667a04158e0b177f3acb40de6
AgentTesla
+ 5'531 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220630-f25hdsabd9/
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
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
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
459bb74ccbbb3584b59215f1a21ab68a61284587c0beabab458fefb3b683f314
MD5 hash:
1886d0bd0320bb112ecb3d8bcd7ab1a5
SHA1 hash:
87a9a735cb067743a97c32aebef668d32fb5be33
Link:
https://www.unpac.me/results/aa312e77-ce7f-4aaf-950f-1e904d923e6b/
SH256 hash:
d5993fff7d72df9240464a7f65e92a87cf75fe495bdca15694fadcfa3e657f10
MD5 hash:
0d1de1372aa059cac015eb90231d6897
SHA1 hash:
5797d3c46733e46c64714c797e9666979dfb4316
Link:
https://www.unpac.me/results/aa312e77-ce7f-4aaf-950f-1e904d923e6b/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/aa312e77-ce7f-4aaf-950f-1e904d923e6b/
SH256 hash:
75541b1c1368df4b0d57b110a1860b004486def9ad4066eb2245c864da461c59
MD5 hash:
5a7fac3afb06ac4786ce7455326702d2
SHA1 hash:
f2dcf6d6d64a78921148c633582db2de46d4ee6e
Link:
https://www.unpac.me/results/aa312e77-ce7f-4aaf-950f-1e904d923e6b/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/75541b1c1368/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/75541b1c1368df4b0d57b110a1860b004486def9ad4066eb2245c864da461c59

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 75541b1c1368df4b0d57b110a1860b004486def9ad4066eb2245c864da461c59

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284502/

Comments