MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194
SHA3-384 hash: af6a5f3b291b471163d6b521173f1699f4924c64cf1d2589171cf0a864f5e462351ceb7e82e4f39268643a1d388856ed
SHA1 hash: ce348c9f770690e5a84be396a7bf0f7114dca41c
MD5 hash: 189a3ca2483079e9b393346d0da0636f
humanhash: red-lactose-grey-purple
File name:839040326.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:673'792 bytes
First seen:2023-05-23 07:11:06 UTC
Last seen:2023-05-30 06:46:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:cjwgJz46CiTBEpHwwiSxdGDoOBsKdlR3pzp0xk1qrhfKqZsoQyyG2ex/i:+wgd4niTB2QwiSxE7N/plUr1K7cyG2A
Threatray 3'037 similar samples on MalwareBazaar
TLSH T195E4203D6CB61D239438F9AE86D47027B5298B27B70F4A25C3C357863A2D92777C212D
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 lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
262
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
839040326.exe
Verdict:
Malicious activity
Analysis date:
2023-05-23 07:12:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/30f554d1-0ad7-4a7d-a2e3-f5c8219fd78d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.9265.8896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo packed
Link:
https://www.filescan.io/uploads/646c6744ed04e054ef4f1ea1/reports/d710480f-fa1e-43b0-98b4-349eae78488c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194
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/cafa7296-e87a-4bfc-929a-854ee4743190
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1240566
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 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: 873571 Sample: 839040326.exe Startdate: 23/05/2023 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 10 other signatures 2->76 7 839040326.exe 6 2->7         started        11 ETLmuvldXNzYgQ.exe 5 2->11         started        13 YLcqPJe.exe 5 2->13         started        15 YLcqPJe.exe 2->15         started        process3 file4 50 C:\Users\user\AppData\...TLmuvldXNzYgQ.exe, PE32 7->50 dropped 52 C:\Users\user\AppData\Local\...\tmp56BB.tmp, XML 7->52 dropped 54 C:\Users\user\AppData\...\839040326.exe.log, ASCII 7->54 dropped 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->86 88 May check the online IP address of the machine 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 17 839040326.exe 17 5 7->17         started        22 schtasks.exe 1 7->22         started        92 Antivirus detection for dropped file 11->92 94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 24 ETLmuvldXNzYgQ.exe 2 11->24         started        26 schtasks.exe 1 11->26         started        28 YLcqPJe.exe 13->28         started        30 schtasks.exe 13->30         started        32 YLcqPJe.exe 13->32         started        34 YLcqPJe.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 56 api4.ipify.org 104.237.62.211, 443, 49703, 49706 WEBNXUS United States 17->56 66 2 other IPs or domains 17->66 46 C:\Users\user\AppData\Roaming\...\YLcqPJe.exe, PE32 17->46 dropped 48 C:\Users\user\...\YLcqPJe.exe:Zone.Identifier, ASCII 17->48 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        58 173.231.16.76, 443, 49705 WEBNXUS United States 24->58 60 142.250.27.108, 25, 49710 GOOGLEUS United States 24->60 68 2 other IPs or domains 24->68 40 conhost.exe 26->40         started        62 api.ipify.org 28->62 42 conhost.exe 30->42         started        64 api.ipify.org 34->64 84 Tries to harvest and steal browser information (history, passwords, etc) 34->84 44 conhost.exe 36->44         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-23 04:28:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 37 (59.46%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgm25bpamv34cl2uwk3rnrszqnuulkqmujdk7fqh2j5hk32e2gka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1a6889803b766ce102a10973126f946e3618a0f80c1cee6d902304d2ffae06c5
AgentTesla
2eb12d18200b79353510751ef2f4fa4ef70ec48beeaab08bc16d75bacdb90463
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511bd4f1051444242dda8ae6df80720106a6b4d60eab89658baffb142affe730
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5453c16d0530e3bf32f870269a92db07188195005273c769b05752f4bb7c18e1
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666a06dff871be2fc9c9d41c6151da13889fe3a78290af3299eeac4b4f758f73
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93bc8b052ab504548c2bd80aad36a2c4ebea09d06db56dbaedf16109da7daf5c
AgentTesla
a7880f86bd0bbb436dde37febb6168a0fbc51978378c0f5fd8f024d3c6487a7c
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bd609ee07cbb567275cc8a8b7a1c1e3c14f61f778f18b90b6454ad68c64cfdd7
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e78333be3402a8425c18a63f6938fa2f861c877e362d6c679079c17d6ee18dd2
AgentTesla
+ 3'027 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/230523-h1hncaeb66/
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:
2acc4a92fdd0c8c5bdf6bea86e957b2194e94e470d04b6183cbfd7b5e5df0aee
MD5 hash:
faa2c72ee14000efd8c4852eb479c04b
SHA1 hash:
e19d1443faa1d995201fdf92df4762bddb013c13
Link:
https://www.unpac.me/results/ffc56bfe-333d-442b-9b87-dce59268ac46/
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/ffc56bfe-333d-442b-9b87-dce59268ac46/
SH256 hash:
7b2fba9b06c7205394c9607291231bdff13f29ff672ea64b64c8bd0eae2f9204
MD5 hash:
377de155f6a1cc102299883763133ada
SHA1 hash:
7325fd568f5bc5e9410cca0d52007a6b3376d5da
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/ffc56bfe-333d-442b-9b87-dce59268ac46/
Parent samples :
e78333be3402a8425c18a63f6938fa2f861c877e362d6c679079c17d6ee18dd2
3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194
SH256 hash:
3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194
MD5 hash:
189a3ca2483079e9b393346d0da0636f
SHA1 hash:
ce348c9f770690e5a84be396a7bf0f7114dca41c
Link:
https://www.unpac.me/results/ffc56bfe-333d-442b-9b87-dce59268ac46/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3999ae85e065/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/3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194

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: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: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 3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194

(this sample)

  
Delivery method
Distributed via e-mail attachment

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