MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8c01e3ba0b1aef4c9a81100200c770499ac3fe021cf426628574187ba0f9c58. 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 7 File information Comments
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SHA256 hash: b8c01e3ba0b1aef4c9a81100200c770499ac3fe021cf426628574187ba0f9c58
SHA3-384 hash: d79924b1ab8af757882288d9e5a0a0067f7e9fd704d650bec8fbe2573ca5904f2ab4acb24c235ab69885322b0291b5a5
SHA1 hash: 6fa2cc7c97140b2b779a7b17e8a4b1a7264eacc6
MD5 hash: d4675c688d185b1bbd99e433232e3b50
humanhash: black-dakota-cardinal-six
File name:Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:603'136 bytes
First seen:2023-09-15 18:33:11 UTC
Last seen:2023-09-15 20:14:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:WR8sxkm4buRHdEqno7RtD2WhK9Q1IH5fl0LIki82:ExkZ6RCqbWU9QO5izH
Threatray 1'395 similar samples on MalwareBazaar
TLSH T116D42350BB98542FD86CB7BA8C9A16C706BACF0B5BC1E31949CB983723557D502B33C6
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)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
290
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 18:34:19 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/bdc3b0ba-de98-4805-9a7e-66ae042c2d51

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/448904/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2360.21044.5719.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6504a39b43cd377b1e9ef79e/reports/f483642a-2f78-4190-b445-8a06072e9ca8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b8c01e3ba0b1aef4c9a81100200c770499ac3fe021cf426628574187ba0f9c58
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/37817a66-e7a9-4c6a-a957-fb6c333094ae
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1309173
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1309173 Sample: Invoice.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 8 other signatures 2->53 7 Invoice.exe 7 2->7         started        11 qxdghUxyUaYx.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\qxdghUxyUaYx.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp309F.tmp, XML 7->35 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Adds a directory exclusion to Windows Defender 7->57 13 RegSvcs.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        59 Antivirus detection for dropped file 11->59 61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 21 RegSvcs.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        25 wuapihost.exe 11->25         started        signatures5 process6 dnsIp7 37 mail.kbakr.com 162.241.27.28, 49727, 49729, 587 UNIFIEDLAYER-AS-1US United States 13->37 39 api4.ipify.org 173.231.16.77, 443, 49726 WEBNXUS United States 13->39 41 api.ipify.org 13->41 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->65 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->67 69 May check the online IP address of the machine 13->69 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        43 64.185.227.156, 443, 49728 WEBNXUS United States 21->43 45 api.ipify.org 21->45 71 Tries to steal Mail credentials (via file / registry access) 21->71 73 Tries to harvest and steal browser information (history, passwords, etc) 21->73 31 conhost.exe 23->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8c01e3ba0b1aef4c9a81100200c770499ac3fe021cf426628574187ba0f9c58/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-15 14:47:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 36 (69.44%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdab4o5awgxpjsniceacaddxasm2yp7aehhuezrik5aypoqptrma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01fc4ee8bd9cd9c2ee70ccd486f4f3d1fdd42f40fffc6ab66e9f3973f2000e14
AgentTesla
08ee24a724926d938d89f5c7c7650eaf67512a64386dd3d3aea068ba1157c0bf
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11e5b6da5d8a500f46253180e37a0258eba2de92957f9d4646966b4fba16bbd2
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142b5c747f40768652455670aa1050e6b2cbd7cb1517c3ab0b958007ddc9e692
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45cf135407fcc3831ca0d4ccd565fdbcafaf52acf1da81aa7ab739ea5f4e4ccc
AgentTesla
4842082fa4563ef01ed73d0e10c46fb7f6502ad5e0472462766d283067cff9fe
AgentTesla
8f0a0b753e6080a664d1c1195293b28bc87212cbd2c89ec944fcd601ffeef73c
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bb86f9dc3d6233f657539dbfd68787724b849c96de18c982620805647dbda743
AgentTesla
bbc5da70b1d00cc3f766229cd1548b582678a18f2fdc75206af530781784f805
AgentTesla
d2e1eead980699faad8218e03f34a2a6309f4fa40c43126f752a8e759a1c1fbd
AgentTesla
+ 1'385 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230915-w7q5ysed4x/
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:
ac2e98cc37186882cac5fcb7b108800377dcf1186ad9f24556227b9388290dc1
MD5 hash:
f88aaf9289b564d11e8194bd56601eee
SHA1 hash:
e9267cb6409828f23e9c7e4959a2bb537a79536b
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/148e1acd-3a10-4804-af44-469938a38490/
Parent samples :
b8c01e3ba0b1aef4c9a81100200c770499ac3fe021cf426628574187ba0f9c58
0fb717f1c75879946b99fe0bd5fb67f6511197fe47bc8e45c5ee2faf15b54592
ac2e98cc37186882cac5fcb7b108800377dcf1186ad9f24556227b9388290dc1
fb3985dc3b2b92209641e36dbb7113092028845d2939ecb0dbaf8d9a64c1c54b
SH256 hash:
0cc2d545cdbc9aca7ac5732fc2e1858bae1b8c575e67f0b4b8077610c5597806
MD5 hash:
604ba9fe5293c6b09155e9593e5fe8b4
SHA1 hash:
c9ca531c5c50091dcdeabea6af26643e897fe3f8
Link:
https://www.unpac.me/results/148e1acd-3a10-4804-af44-469938a38490/
SH256 hash:
bb7e85fba9deb001dea19991b07859c9b35b3d1bb5d983c8aa17e2a0dcbfe758
MD5 hash:
90229d4774bffdd186620ece5abaf6cd
SHA1 hash:
9d3c5f753e0994fdaa16b5abced12dc2ee53e3d9
Link:
https://www.unpac.me/results/148e1acd-3a10-4804-af44-469938a38490/
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/148e1acd-3a10-4804-af44-469938a38490/
Parent samples :
cef72412a1dd9486bae5f7e606d4330660fba98575ba1c939559ccc83536f41a
81ccf158093718305b3499d0f16d8a82bcad69f2740066daca8d5b5ca9979688
SH256 hash:
b8c01e3ba0b1aef4c9a81100200c770499ac3fe021cf426628574187ba0f9c58
MD5 hash:
d4675c688d185b1bbd99e433232e3b50
SHA1 hash:
6fa2cc7c97140b2b779a7b17e8a4b1a7264eacc6
Link:
https://www.unpac.me/results/148e1acd-3a10-4804-af44-469938a38490/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8c01e3ba0b1/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/b8c01e3ba0b1aef4c9a81100200c770499ac3fe021cf426628574187ba0f9c58

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/448904/

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