MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b29fb3263d4305fa8dc267616a040739f8121b24d27506f3764e2f1088c43f4. 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: 1b29fb3263d4305fa8dc267616a040739f8121b24d27506f3764e2f1088c43f4
SHA3-384 hash: 5694780121fdcd3f6f0d0e3c99665b1589bb701cce5b1d04071d98434afd608ee4972644f0d9a31f1e6b0bcf08a0bb92
SHA1 hash: df5e6f0e7f09d01a00f7dd1d79ac193f3f89b91a
MD5 hash: b0b37f153b0e49780f34bdb8c8691869
humanhash: cat-october-table-kitten
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
File size:666'112 bytes
First seen:2023-07-25 10:48:46 UTC
Last seen:2023-07-31 06:54:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:HYiIoFwIrG3XCCaaHBWn6cZNLXaBb2qXO/TbkKR4lMm1d:HHIcTrGC6Hgnigw4X
Threatray 618 similar samples on MalwareBazaar
TLSH T1D0E422197ADA8647D22E8BFD1160B3B457BEEFC22511E3CB2DAB70CDEC62D488354605
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
272
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 10:49:25 UTC
Tags:
agenttesla stealer

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
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
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
Launching a process
Adding an exclusion to Microsoft Defender
Gathering data
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
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279061 Sample: Purchase_Order.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 5 other signatures 2->61 7 Purchase_Order.exe 7 2->7         started        11 KWXrYk.exe 5 2->11         started        process3 file4 37 C:\Users\user\AppData\Roaming\KWXrYk.exe, PE32 7->37 dropped 39 C:\Users\user\...\KWXrYk.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmp941E.tmp, XML 7->41 dropped 43 C:\Users\user\...\Purchase_Order.exe.log, ASCII 7->43 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 65 Writes to foreign memory regions 7->65 67 Allocates memory in foreign processes 7->67 69 Adds a directory exclusion to Windows Defender 7->69 13 RegSvcs.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 19 7->19         started        21 schtasks.exe 1 7->21         started        71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 75 Injects a PE file into a foreign processes 11->75 23 RegSvcs.exe 11->23         started        25 schtasks.exe 11->25         started        27 RegSvcs.exe 11->27         started        signatures5 process6 dnsIp7 45 mail.adityagroup.co 162.241.169.155, 49697, 49701, 587 UNIFIEDLAYER-AS-1US United States 13->45 47 api4.ipify.org 173.231.16.76, 443, 49690, 49700 WEBNXUS United States 13->47 53 2 other IPs or domains 13->53 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->77 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->79 81 May check the online IP address of the machine 13->81 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        49 192.168.2.1 unknown unknown 23->49 51 api.ipify.org 23->51 83 Tries to steal Mail credentials (via file / registry access) 23->83 85 Tries to harvest and steal browser information (history, passwords, etc) 23->85 35 conhost.exe 25->35         started        signatures8 process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-25 00:49:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
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
AgentTesla
Unpacked files
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
4f90158a118e3c8d96461791e27e56eef27d0af2a751917ea83a2d58c5942beb
MD5 hash:
27fcf2945be1e12c4a95cbd2519edf18
SHA1 hash:
50c785aff8e177ba4055bf8504afc09e9f6cfc4b
SH256 hash:
4095a95a953b864d561d0d90755a5dbcb359f4f9c39adda5b13b4387ec7c068f
MD5 hash:
fd2d1303ec1ccfc5e7bd845b5ddc2862
SHA1 hash:
2e824922bbdc9f14355496a948d0c1780e120faa
SH256 hash:
1b29fb3263d4305fa8dc267616a040739f8121b24d27506f3764e2f1088c43f4
MD5 hash:
b0b37f153b0e49780f34bdb8c8691869
SHA1 hash:
df5e6f0e7f09d01a00f7dd1d79ac193f3f89b91a
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 1b29fb3263d4305fa8dc267616a040739f8121b24d27506f3764e2f1088c43f4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments