MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8238c57df8b780cd01ac787cd99b4b126b4423711b7b2aed53fa5500e64e3c4. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8238c57df8b780cd01ac787cd99b4b126b4423711b7b2aed53fa5500e64e3c4
SHA3-384 hash: b4e2c063f0039ab5d56eb809af985ba3567456cf010e4bb4235ee7d6f297ec88edbcff93c04b5bd29f7f7e6b55e0d3b2
SHA1 hash: 3988100d83c01ed7e96510f665ba6a0e5507a889
MD5 hash: 308c59d35c456db95ec3ce9f5122ab85
humanhash: ack-tennessee-high-gee
File name:PURCHASE ORDER INQUIRY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:663'552 bytes
First seen:2022-04-26 07:08:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:XTrcO9EqigMCLZXuoGLlAxQHMc2+o6N59Cv4zoI:UO9higMCLtGLl2uLHncAo
Threatray 16'705 similar samples on MalwareBazaar
TLSH T127E4120BA695B552CCBC07B250A73891A6B7BE272433BB4F59DC3F29ED333C05612661
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/266671/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62679a9573707978a8487098/reports/fa6ccde8-99a6-4fd5-a189-766cbd5e4fa9/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3af0690-4ca4-449e-addb-00c6db0f9854
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982997
Signature
.NET source code contains very large array initializations
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 615480 Sample: PURCHASE ORDER INQUIRY.exe Startdate: 26/04/2022 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 8 other signatures 2->37 6 UFzkOhv.exe 3 2->6         started        9 PURCHASE ORDER INQUIRY.exe 3 2->9         started        12 UFzkOhv.exe 2 2->12         started        process3 file4 39 Multi AV Scanner detection for dropped file 6->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->41 43 Machine Learning detection for dropped file 6->43 45 2 other signatures 6->45 14 UFzkOhv.exe 2 6->14         started        27 C:\Users\...\PURCHASE ORDER INQUIRY.exe.log, ASCII 9->27 dropped 17 PURCHASE ORDER INQUIRY.exe 2 5 9->17         started        21 UFzkOhv.exe 2 12->21         started        signatures5 process6 dnsIp7 29 mail.ccphotos.com.au 203.170.82.33, 587 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 17->29 23 C:\Users\user\AppData\Roaming\...\UFzkOhv.exe, PE32 17->23 dropped 25 C:\Users\user\...\UFzkOhv.exe:Zone.Identifier, ASCII 17->25 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->47 49 Tries to steal Mail credentials (via file / registry access) 17->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->51 53 Tries to harvest and steal ftp login credentials 21->53 55 Tries to harvest and steal browser information (history, passwords, etc) 21->55 57 Installs a global keyboard hook 21->57 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d8238c57df8b780cd01ac787cd99b4b126b4423711b7b2aed53fa5500e64e3c4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-26 02:02:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3aryyv67rn4azua2y6d43gnuwetliqrxcg33flwvh6svadte4pca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
341b8a2dd41846720d1e03fcc1d11e1ca48e1b274e1d209ee3cc1ced7684baf0
AgentTesla
49a9d39a546af011f10b52efa9f9fa003524a7585fb08f3101da8d090e6b93e6
AgentTesla
9bf81bbb5c81b485b3cb9f5e79fdca12618929ab1d59cd46864f8eb31039d42d
AgentTesla
ad42e638f96ae99772ba92d8cd8a8f2ba158e23c57e446049f5a784d60469306
AgentTesla
ec5c817ad2b40525aa2f414a9d027eb313f2ead3b7d7bb28615a7725873d273f
AgentTesla
f133bd95fedd4f9df5a28d3844771a82ebd6ff1a9959f98c1a9f2011b704f4fa
AgentTesla
+ 16'695 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220426-hysersbda9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
d099886332f13220379dfc07e2f4b5648a7af2daefcd35b864962090ab04ba07
MD5 hash:
ec29e32a5df88557e7b6349a19186da6
SHA1 hash:
fbae83685c5513e3741d903c4ec5d5c56548af72
Link:
https://www.unpac.me/results/75c277e7-3055-4294-bb40-0fd3ca324c13/
SH256 hash:
dfe5e0160db6724807052ddb6c19135709c7b8477f1d437ebf399af0fc5206ae
MD5 hash:
af422eb8c9005e91c4b6514b9ae6155e
SHA1 hash:
d7d30050b4420858e0fbffdfbb14ca4792dfb734
Link:
https://www.unpac.me/results/75c277e7-3055-4294-bb40-0fd3ca324c13/
SH256 hash:
09cd3bc420c8982190990a9673b58c3ab01e933dff0881f1e521d3316f1b9a6b
MD5 hash:
6933707e111286a128ad0f7fa298153f
SHA1 hash:
d1121c8bed634e9684727e8c0aad3f597b0749ad
Link:
https://www.unpac.me/results/75c277e7-3055-4294-bb40-0fd3ca324c13/
SH256 hash:
52c06ab588540228c54f047d12d8be1632e4650772630ca0ff642c33ddbe122f
MD5 hash:
51641cf7e77a5bd2b7bd4bc8f2134bf5
SHA1 hash:
71c291105943e968a8627cb8a23d6fcf0a610047
Link:
https://www.unpac.me/results/75c277e7-3055-4294-bb40-0fd3ca324c13/
SH256 hash:
d8238c57df8b780cd01ac787cd99b4b126b4423711b7b2aed53fa5500e64e3c4
MD5 hash:
308c59d35c456db95ec3ce9f5122ab85
SHA1 hash:
3988100d83c01ed7e96510f665ba6a0e5507a889
Link:
https://www.unpac.me/results/75c277e7-3055-4294-bb40-0fd3ca324c13/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d8238c57df8b780cd01ac787cd99b4b126b4423711b7b2aed53fa5500e64e3c4

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
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 d8238c57df8b780cd01ac787cd99b4b126b4423711b7b2aed53fa5500e64e3c4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/266671/

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