MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2f79724446a63529349c96dd87023a3545c9363bdb0704ab1960ddab65e2e5f. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: b2f79724446a63529349c96dd87023a3545c9363bdb0704ab1960ddab65e2e5f
SHA3-384 hash: 58387181f0bbcb169a097f12e1362fb13050aed91727b17fccec734d69c243a5ab45be977e2a72119eec01c5616f1546
SHA1 hash: 471e29dd7b90a19e74c233959bc5a3dc62da8904
MD5 hash: be8090af866e0376d29e0cf7e22b78c5
humanhash: utah-green-south-jersey
File name:SOA 20220126.exe
Download: download sample
Signature AgentTesla
File size:600'576 bytes
First seen:2022-02-01 03:17:04 UTC
Last seen:2022-02-01 04:14:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:A+LHcugWVO7J7U7GTSL2wZo8yOChVr1p3KETZ+os:A+cWVOV7Qaqo8CLKETZ
Threatray 14'577 similar samples on MalwareBazaar
TLSH T108D4BF74A2A78A41F01B8BB464ACF96007F174E3F6C98D390B7835858F9AF552F4864F
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA 20220126.exe
Verdict:
Malicious activity
Analysis date:
2022-02-01 03:22:16 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
Creating a window
DNS request
Sending a custom TCP request
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 file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 563838 Sample: SOA 20220126.exe Startdate: 01/02/2022 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 12 other signatures 2->45 7 SOA 20220126.exe 7 2->7         started        11 kprUEGC.exe 5 2->11         started        process3 file4 25 C:\Users\user\AppData\Roaming\HAbJnC.exe, PE32 7->25 dropped 27 C:\Users\user\...\HAbJnC.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp7314.tmp, XML 7->29 dropped 31 C:\Users\user\...\SOA 20220126.exe.log, ASCII 7->31 dropped 47 Adds a directory exclusion to Windows Defender 7->47 49 Injects a PE file into a foreign processes 7->49 13 SOA 20220126.exe 2 5 7->13         started        17 powershell.exe 25 7->17         started        19 schtasks.exe 1 7->19         started        51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 13->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 13->35 dropped 37 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 13->37 dropped 55 Modifies the hosts file 13->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->57 21 conhost.exe 17->21         started        23 conhost.exe 19->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-01 01:18:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Unpacked files
SH256 hash:
715a146b40f65bf227c2126c3fdb47b64b514f8d9c89fa06171fa3d9a547d202
MD5 hash:
b4ed2ac161ce372c3de650aee3d2a729
SHA1 hash:
a069183645d2624838dd10d7c33d7c1909f11697
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
SH256 hash:
c07ca9c365d406c1a529b118a588879e4148aae42f40c74a31ff53127eafb85f
MD5 hash:
e2891871abb3576ef19726ecdf4c5d61
SHA1 hash:
2447ba0ce2fe5f0dd058bd30347bf934f8d47d76
SH256 hash:
b2f79724446a63529349c96dd87023a3545c9363bdb0704ab1960ddab65e2e5f
MD5 hash:
be8090af866e0376d29e0cf7e22b78c5
SHA1 hash:
471e29dd7b90a19e74c233959bc5a3dc62da8904
Malware family:
Agent Tesla 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 b2f79724446a63529349c96dd87023a3545c9363bdb0704ab1960ddab65e2e5f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments