MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40f75c27639dc3bbf3922273ebbca9da330874fa3e9d6f4c1a9b0aacc18fdf3d. 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: 40f75c27639dc3bbf3922273ebbca9da330874fa3e9d6f4c1a9b0aacc18fdf3d
SHA3-384 hash: a76fe13821c548face5f60dc737eb978de23e87ae75c01e981f80e0b525a7032d6cc35fa0e283e857af472fefad23cc6
SHA1 hash: 84162ed15ad7c1d43a31a97dbba8f8455f8b50d8
MD5 hash: 7b092289e0e677475e883564cd814197
humanhash: florida-berlin-double-minnesota
File name:PRE-ALERT ==HTHC22031529.exe
Download: download sample
Signature AgentTesla
File size:1'030'656 bytes
First seen:2023-06-23 06:27:08 UTC
Last seen:2023-06-23 06:27:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:K7MyuyF16HWzwJ1KNoIiqexBs0P1lxmfMT/x:K7MyuyTFEJ1KNoIiqh0vxmfMT/x
Threatray 3'212 similar samples on MalwareBazaar
TLSH T15D25E010766A6F60E4BA8BF60960517057F66E6BB43EFA094EC3B1DF25B0F018961F13
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla convergentinterfreight-info exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
260
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PRE-ALERT ==HTHC22031529.exe
Verdict:
Malicious activity
Analysis date:
2023-06-23 06:29:34 UTC
Tags:
agenttesla rat

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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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: 893165 Sample: PRE-ALERT_==HTHC22031529.exe Startdate: 23/06/2023 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 4 other signatures 2->57 7 PRE-ALERT_==HTHC22031529.exe 7 2->7         started        11 ZypgmtErXfdV.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\ZypgmtErXfdV.exe, PE32 7->31 dropped 33 C:\Users\...\ZypgmtErXfdV.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp76D1.tmp, XML 7->35 dropped 37 C:\Users\...\PRE-ALERT_==HTHC22031529.exe.log, ASCII 7->37 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 61 May check the online IP address of the machine 7->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 65 Adds a directory exclusion to Windows Defender 7->65 13 PRE-ALERT_==HTHC22031529.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 71 Injects a PE file into a foreign processes 11->71 21 ZypgmtErXfdV.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 api4.ipify.org 64.185.227.155, 443, 49710 WEBNXUS United States 13->39 41 us2.smtp.mailhostbox.com 208.91.199.224, 49711, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->41 43 api.ipify.org 13->43 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        45 104.237.62.211, 443, 49712 WEBNXUS United States 21->45 47 208.91.199.225, 49713, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->47 49 api.ipify.org 21->49 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->73 75 Tries to steal Mail credentials (via file / registry access) 21->75 77 Tries to harvest and steal browser information (history, passwords, etc) 21->77 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-22 08:05:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger 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
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:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
0160739cfd8d1897931f6821d701e3089c2bbd03d3ff8ed977ca4c618876b7e4
MD5 hash:
42fa7553572a0e8d2056a7c77597f57a
SHA1 hash:
c1beb634d03f733eedf2f2b4fc3ab14a4b388ae6
SH256 hash:
d8bc777ac8adda87d302077c2577a1526afe1baf66e63a12da460301db2de82d
MD5 hash:
a89b4fee0e666df125013edca13b596e
SHA1 hash:
a1c36d5bc150ab6bda5534ca982a9b32df36915c
SH256 hash:
ecdf6b369936432c618befd64632e378446b978f4432a09249a5e1094befb865
MD5 hash:
7dd66bbcaf911a059b4a90a6286cfd35
SHA1 hash:
80c4d9478c95b0ff560ecaa6ccec5bd2817f0dbe
Detections:
AgentTeslaXorStringsNet
SH256 hash:
ccbbccdeafd182aed95fd48252d8e246e7ec7073f744f47b2b5c4d2f8a072cef
MD5 hash:
036559a68c5fc0dbf706a7d199c1e4c0
SHA1 hash:
66165f584fe408f6447584c8b0d6de6ab895b3e1
SH256 hash:
40f75c27639dc3bbf3922273ebbca9da330874fa3e9d6f4c1a9b0aacc18fdf3d
MD5 hash:
7b092289e0e677475e883564cd814197
SHA1 hash:
84162ed15ad7c1d43a31a97dbba8f8455f8b50d8
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 40f75c27639dc3bbf3922273ebbca9da330874fa3e9d6f4c1a9b0aacc18fdf3d

(this sample)

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