MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a39af512f69ee9235b6b5e199beb2313a42ce4d6ec9b610c6e54a131c415bd8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a39af512f69ee9235b6b5e199beb2313a42ce4d6ec9b610c6e54a131c415bd8
SHA3-384 hash: 2b6ce86ed3c316f15e2f48d56f18323106d447ca0b8e81709615f2c692369ed628b061b97bca752eea386e15a5c58a17
SHA1 hash: 3dc11d4f24ba869111cbffac9586e3df029fe665
MD5 hash: 678c97fbc1f2f53ea92c7f8bcc0fd80c
humanhash: may-kitten-wyoming-one
File name:Payment.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'573'384 bytes
First seen:2021-01-10 12:47:18 UTC
Last seen:2021-01-10 14:43:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:fizzQgzntAds9sbPrW5kxVIzlYU/FBNRpe6wyAmYdX6:UzVquzJ/FBNRx
Threatray 2'110 similar samples on MalwareBazaar
TLSH 7FC5D4112FD3254AF2F3E27612B29ADA9F38FA7A72455E19825D1B554C03F822F83D07
Reporter abuse_ch
Tags:AgentTesla bat


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: secure.zrl.com.zm
Sending IP: 216.194.164.118
From: Financial Manager <financialmanager@eventcenter.com>
Subject: Urgent Payment Query
Attachment: Payment.iso (contains "Payment.bat")

Intelligence

File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment.bat
Verdict:
Malicious activity
Analysis date:
2021-01-10 12:49:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1ef428ba-4785-4954-95fc-42de317062dc

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/111157/
Detection(s):
SecuriteInfo.com.Generic.mg.678c97fbc1f2f53e.26729.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Enabling autorun by creating a file
Enabling autorun
Result
Verdict:
UNKNOWN
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/577461
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
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
Moves itself to temp directory
Multi AV Scanner detection for dropped 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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 337781 Sample: Payment.bat Startdate: 10/01/2021 Architecture: WINDOWS Score: 100 48 g.msn.com 2->48 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Yara detected AgentTesla 2->66 68 5 other signatures 2->68 8 Payment.exe 3 5 2->8         started        12 Payment.exe 2 2->12         started        14 CZVkY.exe 1 4 2->14         started        16 6 other processes 2->16 signatures3 process4 file5 42 C:\Users\user\AppData\Roaming\...\Payment.exe, PE32 8->42 dropped 44 C:\Users\user\...\Payment.exe:Zone.Identifier, ASCII 8->44 dropped 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->84 86 Creates an undocumented autostart registry key 8->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->88 18 Payment.exe 2 5 8->18         started        90 Creates multiple autostart registry keys 12->90 92 Injects a PE file into a foreign processes 12->92 22 Payment.exe 12->22         started        46 C:\Users\user\AppData\Roaming\...\CZVkY.exe, PE32 14->46 dropped 94 Multi AV Scanner detection for dropped file 14->94 96 Drops PE files to the startup folder 14->96 25 CZVkY.exe 14->25         started        98 Creates autostart registry keys with suspicious names 16->98 27 CZVkY.exe 16->27         started        29 iexplore.exe 1 74 16->29         started        31 CZVkY.exe 16->31         started        33 2 other processes 16->33 signatures6 process7 dnsIp8 38 C:\Users\user\...\CZVkY.exe:Zone.Identifier, ASCII 18->38 dropped 70 Moves itself to temp directory 18->70 72 Creates multiple autostart registry keys 18->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->74 56 royalhotelapartmentet.com 22->56 58 mail.royalhotelapartmentet.com 22->58 60 192.168.2.1 unknown unknown 22->60 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->76 78 Tries to steal Mail credentials (via file access) 22->78 80 Tries to harvest and steal ftp login credentials 22->80 82 Tries to harvest and steal browser information (history, passwords, etc) 22->82 40 C:\Users\user\AppData\Roaming\...\CZVkY.exe, PE32 27->40 dropped 35 iexplore.exe 66 29->35         started        file9 signatures10 process11 dnsIp12 50 github.com 140.82.121.4, 443, 49743, 49744 GITHUBUS United States 35->50 52 github.map.fastly.net 151.101.0.133, 443, 49747, 49748 FASTLYUS United States 35->52 54 2 other IPs or domains 35->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a39af512f69ee9235b6b5e199beb2313a42ce4d6ec9b610c6e54a131c415bd8/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-10 12:48:08 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pi426ujpnhxjennwwxqztpvsge5eftsnn3e3megg4vfbghcblpma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8905819fcaa0d71e50cc1ec90e32258967e011878efb78f8db8893ad04a98174
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98712ca737a8d8cddc09bd41dbae64ccc816d5a846da270615108bac7023e19d
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acf949e60ec1fa015f83ea1d7caa8810bc0ccb28b99cab88f3d162819a526cab
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c5c5950509109e01461d9a3779f6ff994b755f4f995c241c1d0e9f775df867c6
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d8c590e11c422a5cf6b2a1f8ddceee64805d063739d0e83c234bdcabae9e3700
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e40b50918c860d686479a98167208e4104471d38708d82f267b4cedc4242ace2
AgentTesla
+ 2'100 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/210110-cyzys7zgnn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Modifies WinLogon for persistence
AgentTesla
Unpacked files
SH256 hash:
7a39af512f69ee9235b6b5e199beb2313a42ce4d6ec9b610c6e54a131c415bd8
MD5 hash:
678c97fbc1f2f53ea92c7f8bcc0fd80c
SHA1 hash:
3dc11d4f24ba869111cbffac9586e3df029fe665
Link:
https://www.unpac.me/results/c832c3c4-6bb2-4ad7-9b38-4dceb8c86223/
SH256 hash:
17b6b70d529acf52e6f6adca4123b237d96ba388a846b2aa3e05178abd71bd6c
MD5 hash:
2de9506092a1b5a8dc4a86c33dcfbb6b
SHA1 hash:
7569c1ae38181fca78c6330490705eda157c4039
Link:
https://www.unpac.me/results/c832c3c4-6bb2-4ad7-9b38-4dceb8c86223/
SH256 hash:
c5d44c73daa7c159fad35c7638321d3889aff0f33949043c2ba77753c5008289
MD5 hash:
23eff7fd2a5df072b7d6354cf0ef3d1c
SHA1 hash:
b9dbaf6882f0a98f6f2dfbee73642c9113770964
Link:
https://www.unpac.me/results/c832c3c4-6bb2-4ad7-9b38-4dceb8c86223/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/7a39af512f69ee9235b6b5e199beb2313a42ce4d6ec9b610c6e54a131c415bd8

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

iso aed443aa1881073abbbaf32eb6fa90f43b81a84e62437a9068b091ca624318db

AgentTesla

Executable exe 7a39af512f69ee9235b6b5e199beb2313a42ce4d6ec9b610c6e54a131c415bd8

(this sample)

  
Dropped by
MD5 668f39ca9d6842afada96279e42a3f74
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 aed443aa1881073abbbaf32eb6fa90f43b81a84e62437a9068b091ca624318db
Cape
Cape
https://www.capesandbox.com/analysis/111157/

Comments