MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53f31bf8011613bead4f530d63b146825f5156a990ea6e486627f98db9a7f0c8. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 53f31bf8011613bead4f530d63b146825f5156a990ea6e486627f98db9a7f0c8
SHA3-384 hash: a35ee64842124a0968cd719fd66fd86f78a0cb6bdbc3987c3dda5d42649c17509a82ed22d927029cffb132e25dc5ea02
SHA1 hash: 46ec05cef25ea090b87c383977ed399047c6ec89
MD5 hash: f5a5951aba0a206c9b370a375f95cb02
humanhash: wolfram-oxygen-pasta-beer
File name:Purchase Order 251pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'519'616 bytes
First seen:2023-05-10 01:18:03 UTC
Last seen:2023-05-15 10:23:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:PQB6M6ySnlXl5xpN/jiaHi5dhDzJuMM4ZzgMHe0MFSg8qrizlyZ5mA7F:O6MOfRZUcoMczju
Threatray 85 similar samples on MalwareBazaar
TLSH T1FB65E03296DAFDDAEFA80E38ECB625084C447CB75268D9F4BD8851CB51A4550ED2CCBC
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f8dc888898a890b8 (4 x AgentTesla, 3 x SnakeKeylogger, 1 x Loki)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
488
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order 251pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-10 01:20:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/53616fc1-6ba1-40d8-9349-7df422a18e32

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/387963/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Krypt.11.17500.5853.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/645af106b664422b69d61149/reports/ddd01ae9-29b8-4887-828d-0e24dbe6894b/overview
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/53f31bf8011613bead4f530d63b146825f5156a990ea6e486627f98db9a7f0c8
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ad63da9f-674b-41ae-82b9-a9a7392116ee
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229650
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
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
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 862632 Sample: Purchase_Order_251pdf.exe Startdate: 10/05/2023 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 5 other signatures 2->65 7 Purchase_Order_251pdf.exe 1 5 2->7         started        11 Rwpahkx.exe 2 2->11         started        13 Rwpahkx.exe 1 2->13         started        process3 file4 35 C:\Users\user\AppData\Roaming\...\Rwpahkx.exe, PE32 7->35 dropped 37 C:\Users\user\...\Rwpahkx.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\...\Purchase_Order_251pdf.exe.log, ASCII 7->39 dropped 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->67 69 May check the online IP address of the machine 7->69 71 Encrypted powershell cmdline option found 7->71 15 Purchase_Order_251pdf.exe 15 2 7->15         started        19 powershell.exe 16 7->19         started        73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 77 Injects a PE file into a foreign processes 11->77 21 Rwpahkx.exe 11->21         started        23 powershell.exe 13 11->23         started        25 Rwpahkx.exe 13->25         started        27 powershell.exe 13->27         started        signatures5 process6 dnsIp7 41 logxtai.shop 198.54.116.202, 49700, 49702, 49704 NAMECHEAP-NETUS United States 15->41 43 api4.ipify.org 104.237.62.211, 443, 49699, 49703 WEBNXUS United States 15->43 51 2 other IPs or domains 15->51 29 conhost.exe 19->29         started        45 173.231.16.77, 443, 49701 WEBNXUS United States 21->45 47 api.ipify.org 21->47 31 conhost.exe 23->31         started        49 api.ipify.org 25->49 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->53 55 Tries to steal Mail credentials (via file / registry access) 25->55 57 Tries to harvest and steal browser information (history, passwords, etc) 25->57 33 conhost.exe 27->33         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/53f31bf8011613bead4f530d63b146825f5156a990ea6e486627f98db9a7f0c8/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-05-10 00:01:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kpzrx6abcyj35lkpkmgwhmkgqjpvcvvjsdvg4sdge74y3onh6dea._file
Verdict:
malicious
Similar samples:
272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0
AgentTesla
3a60b811771921ba75cd82dedb4c98b15419e2487ac00ba78ca7d19b04a3747c
AgentTesla
43a5329fe9f6d43a4de5875d0fe039a056f10a1887a52ad0acd11863587b9204
AgentTesla
6f87506ad54bd39f08b8f3da216f4f31713377aa512b32628c2ef53162b222ff
AgentTesla
7d9650c4e743709880c6173017783e0a4a4bda3c1aaf4197bee2fb4203514fd3
AgentTesla
84c18f78f11b9bc3fd3e96925d2a7b76ab5ecfb927c377ad27456e191815b24a
AgentTesla
8a41b79f891041bd386d0886027e3a214bfc1597f5958dd897553612df87dc30
AgentTesla
91dff7bab30d0d6713ba56c522859ce8f773611c10ec7a7e7a0d9889612d0641
AgentTesla
a517db8ece77f35369bd371892dfad880c7cd9b7e2a936c6ef6b99d19ed83f78
AgentTesla
a86d1dc8abd7cdd7ce8eb34ee9e739c35ba49d2a4a4c9d62d0da1d2dc14addf1
AgentTesla
+ 75 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/230510-bnz9asfe7z/
Behaviour
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
Adds Run key to start application
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
Unpacked files
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
Link:
https://www.unpac.me/results/3f985522-791b-4ffd-9968-232c7abdf325/
SH256 hash:
92df067b397b21fad725adfb078478a510ebd22bfd8e583573a0706d3e9ee7a2
MD5 hash:
d0678c13881b3946c5308503b568f353
SHA1 hash:
cbf4deba2ac1a6db4e15f1c34fa2c61b9a31d979
Link:
https://www.unpac.me/results/3f985522-791b-4ffd-9968-232c7abdf325/
SH256 hash:
c7c18acaeea662006a90b002c2f330b8d3384e6dffbe76bd9503c6d330a9b163
MD5 hash:
e9889ec0ea9059246cf65858a0335668
SHA1 hash:
4ee759e250f019a51da07955899580b37ed86e7b
Link:
https://www.unpac.me/results/3f985522-791b-4ffd-9968-232c7abdf325/
SH256 hash:
53f31bf8011613bead4f530d63b146825f5156a990ea6e486627f98db9a7f0c8
MD5 hash:
f5a5951aba0a206c9b370a375f95cb02
SHA1 hash:
46ec05cef25ea090b87c383977ed399047c6ec89
Link:
https://www.unpac.me/results/3f985522-791b-4ffd-9968-232c7abdf325/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/53f31bf80116/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/53f31bf8011613bead4f530d63b146825f5156a990ea6e486627f98db9a7f0c8

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 53f31bf8011613bead4f530d63b146825f5156a990ea6e486627f98db9a7f0c8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/387963/

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