MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6771834e7cdb8a8f7813d313e65281901a61493653beb7fd0aad365036ede94a. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6771834e7cdb8a8f7813d313e65281901a61493653beb7fd0aad365036ede94a
SHA3-384 hash: f38f0a8b532c5aa686092cefc5f05ff6959c4ab3d33c90046e30c617ed644bb30e5027ed13f57700598975499ca40fca
SHA1 hash: d4badfe82cba5869fdee15da86de0e2bf37ee68b
MD5 hash: 7bf8b6fa7e5b49e753a5678d758d045c
humanhash: lima-autumn-oklahoma-river
File name:overdue invoices 502133 500410.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:758'784 bytes
First seen:2023-07-24 07:22:26 UTC
Last seen:2023-07-24 16:26:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:wnvJRBusyj1HkyghpJQMnG3YQV7e5o8eJ31T6CPMq4Ympswt7u7Cc:AFunyXTmMn07+9ep1T6Bpb7S
Threatray 592 similar samples on MalwareBazaar
TLSH T17CF4026533B59B12F2F8BFF59260901813B1A5891467E38C0EF220D61E62FD4AF91BD7
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
284
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
overdue invoices 502133 500410.exe
Verdict:
Malicious activity
Analysis date:
2023-07-24 07:25:41 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/f2a02308-befe-4364-aaa2-4f08b61fb5de

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/430587/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29884.22893.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6771834e7cdb8a8f7813d313e65281901a61493653beb7fd0aad365036ede94a
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/ef0a637d-54e1-488b-b10f-0801ccb9dc76
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1278110
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
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 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
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1278110 Sample: overdue_invoices_502133_500... Startdate: 24/07/2023 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 5 other signatures 2->74 7 overdue_invoices_502133_500410.exe 7 2->7         started        11 qBfbGOxih.exe 5 2->11         started        13 AsKlDC.exe 2->13         started        15 AsKlDC.exe 3 2->15         started        process3 file4 46 C:\Users\user\AppData\Roaming\qBfbGOxih.exe, PE32 7->46 dropped 48 C:\Users\...\qBfbGOxih.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp58D5.tmp, XML 7->50 dropped 52 C:\...\overdue_invoices_502133_500410.exe.log, ASCII 7->52 dropped 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->84 86 May check the online IP address of the machine 7->86 88 Uses schtasks.exe or at.exe to add and modify task schedules 7->88 90 Adds a directory exclusion to Windows Defender 7->90 17 overdue_invoices_502133_500410.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        92 Multi AV Scanner detection for dropped file 11->92 94 Machine Learning detection for dropped file 11->94 96 Injects a PE file into a foreign processes 11->96 26 qBfbGOxih.exe 11->26         started        28 schtasks.exe 11->28         started        30 AsKlDC.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 54 api4.ipify.org 104.237.62.211, 443, 49706 WEBNXUS United States 17->54 56 mail.icmpp.ro 193.138.98.3, 49707, 49712, 49713 ROEDUNETRO Romania 17->56 66 2 other IPs or domains 17->66 42 C:\Users\user\AppData\Roaming\...\AsKlDC.exe, PE32 17->42 dropped 44 C:\Users\user\...\AsKlDC.exe:Zone.Identifier, ASCII 17->44 dropped 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->76 78 Tries to steal Mail credentials (via file / registry access) 17->78 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->80 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        58 173.231.16.76, 443, 49710 WEBNXUS United States 26->58 60 api.ipify.org 26->60 38 conhost.exe 28->38         started        62 64.185.227.156, 443, 49711 WEBNXUS United States 30->62 64 api.ipify.org 30->64 82 Tries to harvest and steal browser information (history, passwords, etc) 30->82 40 conhost.exe 32->40         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6771834e7cdb8a8f7813d313e65281901a61493653beb7fd0aad365036ede94a/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-07-24 07:22:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
17 of 25 (68.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m5yygtt43ofi66at2mj6muubsangcsjwko7lp7ikvu3fanxn5ffa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
363b5b951382bb7c9af26fadf9a61541d5a2d4e733adcb40fbc87e18579fd69f
AgentTesla
3643035d381e44f0facf01f5463aa05fee4315b2c72fea1a96ef28d0185f7369
AgentTesla
5af1aba19d9dd639542ba941b8e31495d1f9789ed426d376e87e040d5cd9df5f
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7510d23c5bd88ede2d8d2efbd6d851da1dfcdc1dfb089b80a4a310b7fb96df4a
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76d55aec6c6ce78586bcfa2b1ae7e727d9c922ff75a3f2aedc7cba917f793395
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81a48f67c7805ecf8ee47f17999208a9a116fca844d8dff8dbf12f66f4c91445
AgentTesla
ae2f668db376e89695e11dd9bed4d3becf18a74f812b6b647beaf39ab2aa3610
AgentTesla
af093bd71cb66c24a34d31d6efa125d86e6ffa89bfbfad9d20658889553e133d
AgentTesla
cc8a067e19c40815e99543a5728c7c12fc2f1a5c64f0a09bfa2504574fcd9a91
AgentTesla
dce8dfa0fb0baeafb31cb8072e1f9421919a796f013d5dca81ab0697206a9762
AgentTesla
+ 582 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/230724-h7srwsbf2z/
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
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
AgentTesla
Unpacked files
SH256 hash:
7c743d979549f931d7101d1a14c14841ff47c848a3f30e31882d0d958bf5f941
MD5 hash:
508ba12479b3d78edb93f63b40ab3b7f
SHA1 hash:
d72b842c46546e4e494c9338b530e305dae1d5d2
Link:
https://www.unpac.me/results/40640ec5-8774-48c9-baf3-2adcaf299c5f/
SH256 hash:
26c8dd8e10aaadb85549f58d2353248b7a76899707f254610ca7b9b77b7d8638
MD5 hash:
2c3e4db5ff311932a66d02675a56e18a
SHA1 hash:
46283a10550bc6a928ec9a06cb7f79f14f3cfd77
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/40640ec5-8774-48c9-baf3-2adcaf299c5f/
Parent samples :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 hash:
37c455cf08c9d99248bdd63e73917b33eb22bba76955725f5000db38a9890e4d
MD5 hash:
34ed1b2e9a869a633b3b51ecdfee8a6a
SHA1 hash:
17bbc701265be58b6bfaff857716404d3cb9d32d
Link:
https://www.unpac.me/results/40640ec5-8774-48c9-baf3-2adcaf299c5f/
SH256 hash:
e6f6d4537b5a06dcaa639efb0f59ad138130ef4c513244de3546a5738c0ebed3
MD5 hash:
04c1c72fcdab1c3639a9bedb97400004
SHA1 hash:
0e02ae80df4243f81292cbfbed7037f171aaf544
Link:
https://www.unpac.me/results/40640ec5-8774-48c9-baf3-2adcaf299c5f/
SH256 hash:
6771834e7cdb8a8f7813d313e65281901a61493653beb7fd0aad365036ede94a
MD5 hash:
7bf8b6fa7e5b49e753a5678d758d045c
SHA1 hash:
d4badfe82cba5869fdee15da86de0e2bf37ee68b
Link:
https://www.unpac.me/results/40640ec5-8774-48c9-baf3-2adcaf299c5f/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6771834e7cdb/report/overview.html
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/6771834e7cdb8a8f7813d313e65281901a61493653beb7fd0aad365036ede94a

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

zip be08d59fe9c584775010f3e124ea215090155226843d685c622e5c6b6fa3f029

AgentTesla

Executable exe 6771834e7cdb8a8f7813d313e65281901a61493653beb7fd0aad365036ede94a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 be08d59fe9c584775010f3e124ea215090155226843d685c622e5c6b6fa3f029
Cape
Cape
https://www.capesandbox.com/analysis/430587/
  
Dropped by
MD5 f134939179796e63c8b4d2661245ae14

Comments