MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4. 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: 18


Intelligence 18 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4
SHA3-384 hash: 7633fd0558924a2f742ee80881962a7c851da39fb05b898bdb64a55f453854a81cd72f5de941dd059ea4fd6390371e71
SHA1 hash: a08a01524643ee74324eebb0af21f22d74b55768
MD5 hash: 5ffe5c85364553570b8af4ebd2e8f6a1
humanhash: montana-island-bravo-nitrogen
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:309'461 bytes
First seen:2023-07-13 06:35:51 UTC
Last seen:2023-07-13 13:00:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:PYa6rWU3TxamHj6dPoSbqJhP7KKSV3ffvnsMvCx5ezGV31KngR4:PYBnTxamHj6CSyP7KKbMqeIFKny4
Threatray 4'833 similar samples on MalwareBazaar
TLSH T1AC6412193A68C1B6C5A38B711EBF14596BDFE9230494470F2FA01AAD7435681EA0FF93
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
273
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2023-07-13 06:37:08 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/6e5ff889-3af6-4715-a23d-91d18e93b59b

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/417255/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.24855.30286.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/97382/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64af9b5958d62e49a2fd4d97/reports/ecb8e45f-71e5-4eed-8cd5-3a396d10d9e1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4
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/5c6c80e9-90ee-4f1f-a955-776b31d3da87
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1272227
Signature
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Maps a DLL or memory area into another process
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 has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1272227 Sample: INVOICE.exe Startdate: 13/07/2023 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 5 other signatures 2->59 6 INVOICE.exe 1 20 2->6         started        10 oxtdyirnwg.exe 18 2->10         started        12 oxtdyirnwg.exe 18 2->12         started        process3 dnsIp4 23 C:\Users\user\AppData\...\oxtdyirnwg.exe, PE32 6->23 dropped 25 C:\Users\user\AppData\Local\...\cigutohu.dll, PE32 6->25 dropped 61 Detected unpacking (changes PE section rights) 6->61 63 Detected unpacking (creates a PE file in dynamic memory) 6->63 65 Detected unpacking (overwrites its own PE header) 6->65 77 2 other signatures 6->77 15 INVOICE.exe 17 3 6->15         started        27 C:\Users\user\AppData\Local\...\cigutohu.dll, PE32 10->27 dropped 67 Multi AV Scanner detection for dropped file 10->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->69 71 May check the online IP address of the machine 10->71 73 Machine Learning detection for dropped file 10->73 19 oxtdyirnwg.exe 14 2 10->19         started        31 192.168.2.1 unknown unknown 12->31 29 C:\Users\user\AppData\Local\...\cigutohu.dll, PE32 12->29 dropped 75 Maps a DLL or memory area into another process 12->75 21 oxtdyirnwg.exe 2 12->21         started        file5 signatures6 process7 dnsIp8 33 api4.ipify.org 104.237.62.211, 443, 49716, 49722 WEBNXUS United States 15->33 35 mail.icmpp.ro 193.138.98.3, 49717, 49721, 49723 ROEDUNETRO Romania 15->35 37 api.ipify.org 15->37 45 Creates multiple autostart registry keys 15->45 39 64.185.227.156, 443, 49720 WEBNXUS United States 19->39 41 api.ipify.org 19->41 43 api.ipify.org 21->43 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->47 49 Tries to steal Mail credentials (via file / registry access) 21->49 51 Tries to harvest and steal browser information (history, passwords, etc) 21->51 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-13 01:02:04 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bcbdjaoyyctbgj66re2jmrmlpntny3kcighnlfnyh6qniue3agsa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0894447cb022d211fa9d8ee39219fc45906f6977c2f7c707089b496eb886c4f6
AgentTesla
143a0fddc3af51f26980672385b2f8102d1b8cc473c285cc5ec40dc6c642c4a2
AgentTesla
1d0cf9a5e034371075cf0a328d98c53f4eeb74325d61ee956222346ebb1f5497
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2ad65e78905204a2813c619cd38632eeb99e111b5246dfb34558813ad442136e
AgentTesla
3a82c4d1fcff8b6ec93f5fb92a3e9ce015cac13a770af5e50f6621bee1219da8
AgentTesla
4d60f9998376b2059e5a19aa9337f44285cce66c0e6bf0535de18a87d3aaf973
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53e575805dc9d69c41f366e65946a7d4adf051f322f463f70e9b2f80d50450cb
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996802dcddf7a2afc542a0d2eab92d8243a3126dd2f9a8c6e8cb9cebc09e8d61
AgentTesla
cd917c86fe27ecd3feeca690377817bce1f4034830e6d68a19dbffc8c61e97bb
AgentTesla
+ 4'823 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/230713-hcxglage7z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
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:
869d24312f48398b6b8866cd61c1b018fcbc52f82b609a159140d8c9b05b8269
MD5 hash:
de4fe18edacfa1f5e92ef67f791098ca
SHA1 hash:
e4513eb8557309f055eaab7eff9b001b8b9b0864
Link:
https://www.unpac.me/results/94545d3b-0246-4723-8233-147d09a49410/
SH256 hash:
77bc6963e83c211581211c88d80a62ec2994ae21e1ba75d43ac01f28008d9a00
MD5 hash:
e94c3bdb2320ce913cab5c06798725ee
SHA1 hash:
467ace31202675d1ed12bd0df198daf77879085f
Link:
https://www.unpac.me/results/94545d3b-0246-4723-8233-147d09a49410/
SH256 hash:
26c8dd8e10aaadb85549f58d2353248b7a76899707f254610ca7b9b77b7d8638
MD5 hash:
2c3e4db5ff311932a66d02675a56e18a
SHA1 hash:
46283a10550bc6a928ec9a06cb7f79f14f3cfd77
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/94545d3b-0246-4723-8233-147d09a49410/
Parent samples :
143a0fddc3af51f26980672385b2f8102d1b8cc473c285cc5ec40dc6c642c4a2
08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4
f9a63e6fa3770facd4b6945b71e91aabe8f8c1463ed9ecb4a73bcaae4a298927
7918d390e8ff7703cf6241499b0bf03eb8318008679c3e185a491dad0a2f2695
518ef92be84234185738f94f0fef4dcd67cf58a9c424f6c0d4c4cd991db9caef
8dce15749402eeaeca7a56fb5630043dd04c65f340005c847ad0005d4efb7905
2d6e0405a2a3b73566f01d21c9747d6a09e65a0b093f980d915d3cb3f1ff89b3
e1b82a8eb5ea3bb868a923672c161662e56ba55501e16e745bf29352ebe996de
2291b531418ae722b75139ceea563610cbff478c88358e368536bb249132a4c1
64e16127d298c57d3dab2220968103332cce3f104638cc8556a6cb772ffa0619
ea9e59dd7174a63eef63668d6d07b0c4fc734718aee5c3342ef0100ccd1921d3
6771834e7cdb8a8f7813d313e65281901a61493653beb7fd0aad365036ede94a
SH256 hash:
08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4
MD5 hash:
5ffe5c85364553570b8af4ebd2e8f6a1
SHA1 hash:
a08a01524643ee74324eebb0af21f22d74b55768
Link:
https://www.unpac.me/results/94545d3b-0246-4723-8233-147d09a49410/
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/08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4

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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 966b8646675cc60dc47875cb077f4cfa55d23cf3a82f9657c21df793e891e719

AgentTesla

Executable exe 08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 966b8646675cc60dc47875cb077f4cfa55d23cf3a82f9657c21df793e891e719
Cape
Cape
https://www.capesandbox.com/analysis/417255/
  
Dropped by
MD5 b5c7a108ccf6cb80b8d4c08007588c14

Comments