MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3d004262637011991d161fd2a8bf28700b5d64dac58c2683f5bd29dfab556fd. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: b3d004262637011991d161fd2a8bf28700b5d64dac58c2683f5bd29dfab556fd
SHA3-384 hash: 4ba89506ba343a06a1e99245b5d00c9e9861d1bf2a1d752f2a884c64e9a36c4f2c289cd048fffb8badba5badfa4be615
SHA1 hash: 947e496660dbf5fce48d02fc3b3f99ae93e8e637
MD5 hash: 21aae49ee011ae7677521061b2af303b
humanhash: fix-arizona-kentucky-south
File name:HHA=A@GE2.exe
Download: download sample
Signature AgentTesla
File size:583'680 bytes
First seen:2022-09-17 17:03:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:ybRFhkQ9Ki7cSFa9p71I1W6cYJl9v4QjFMsZNSs86t:OLhii7cl9w1W6cW7JjFMsZN26t
TLSH T121C4D09A33A4B931D53E73F2355911A9C2F292E78410CB8F0CCD51D93BB3299AB96853
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 TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
405
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HHA=A@GE2.exe
Verdict:
Malicious activity
Analysis date:
2022-09-17 17:07:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Creating a file
Moving of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
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, DarkTortilla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 704845 Sample: HHA=A@GE2.exe Startdate: 17/09/2022 Architecture: WINDOWS Score: 100 25 multimetals.cfd 2->25 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected DarkTortilla Crypter 2->43 45 4 other signatures 2->45 8 HHA=A@GE2.exe 15 4 2->8         started        signatures3 process4 dnsIp5 27 www.google.com 142.250.184.100, 443, 49709, 49711 GOOGLEUS United States 8->27 23 C:\Users\user\AppData\...\HHA=A@GE2.exe.log, ASCII 8->23 dropped 47 Moves itself to temp directory 8->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->49 13 buyinn.exe 14 3 8->13         started        file6 signatures7 process8 dnsIp9 29 www.google.com 13->29 51 Writes to foreign memory regions 13->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->53 55 Injects a PE file into a foreign processes 13->55 17 InstallUtil.exe 2 4 13->17         started        signatures10 process11 file12 21 C:\Users\user\AppData\Roaming\Word\Word.exe, PE32 17->21 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->31 33 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->33 35 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->35 37 2 other signatures 17->37 signatures13
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-06 08:17:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
26 of 40 (65.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
AgentTesla
Unpacked files
SH256 hash:
b3d004262637011991d161fd2a8bf28700b5d64dac58c2683f5bd29dfab556fd
MD5 hash:
21aae49ee011ae7677521061b2af303b
SHA1 hash:
947e496660dbf5fce48d02fc3b3f99ae93e8e637
Malware family:
AgentTesla.v3
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 b3d004262637011991d161fd2a8bf28700b5d64dac58c2683f5bd29dfab556fd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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