MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4537cf54c71eebe6db44a32ea6087c25db1b41b048ce808af4ed898579b6fcc8. 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: 4537cf54c71eebe6db44a32ea6087c25db1b41b048ce808af4ed898579b6fcc8
SHA3-384 hash: 2be07f359914788b67d2f3269df6d12d5ea0bdfe70017aa227602249b6482f9b0c23cce34e25128a7b16b97670b49b54
SHA1 hash: 43ad7a1152bb182be3077b064332c2348f5d5719
MD5 hash: 64a00e627e9c766f74529ff5232f1f78
humanhash: eleven-uncle-rugby-video
File name:PO 345678.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:656'384 bytes
First seen:2023-07-11 09:56:33 UTC
Last seen:2023-07-11 10:39:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:uwvTum3vSEWw8ZrtWFNlt4wTfkdEAVw8wGf5W2V7Hn+WLYeaww:Nim/Ww8rtyKGkOAm8RA2V7HnRL1Pw
Threatray 393 similar samples on MalwareBazaar
TLSH T1DAD4BDC6E5BAD2E3C82431B9304605042E787FD43465F2A09C7AB1F576F5A8837972BE
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 cocaman
Tags:AgentTesla exe Shipping

Intelligence

File Origin
# of uploads :
4
# of downloads :
280
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PO 345678.exe
Verdict:
Malicious activity
Analysis date:
2023-07-11 09:57:42 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/83cf5b8d-2ad8-4d4b-a909-94b2f4ee7cb9

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/415452/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.61436.1400.13978.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/64ad2772057bff26cf2311a2/reports/3230d32e-aec4-440d-b0ae-961ef2b65048/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/4537cf54c71eebe6db44a32ea6087c25db1b41b048ce808af4ed898579b6fcc8
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/0fe9d9f9-696c-4032-aefd-b1c873f89455
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1270760
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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: 1270760 Sample: PO_345678.exe Startdate: 11/07/2023 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 60 5 other signatures 2->60 7 PO_345678.exe 7 2->7         started        11 zWzOxGP.exe 5 2->11         started        process3 dnsIp4 36 C:\Users\user\AppData\Roaming\zWzOxGP.exe, PE32 7->36 dropped 38 C:\Users\user\...\zWzOxGP.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpE591.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\PO_345678.exe.log, ASCII 7->42 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->62 64 May check the online IP address of the machine 7->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 7->66 74 2 other signatures 7->74 14 PO_345678.exe 15 2 7->14         started        18 powershell.exe 19 7->18         started        20 schtasks.exe 1 7->20         started        44 192.168.2.1 unknown unknown 11->44 68 Antivirus detection for dropped file 11->68 70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 22 zWzOxGP.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        26 zWzOxGP.exe 11->26         started        28 zWzOxGP.exe 11->28         started        file5 signatures6 process7 dnsIp8 46 api.ipify.org 14->46 48 mail.kbakr.com 162.241.27.28, 49698, 49702, 587 UNIFIEDLAYER-AS-1US United States 14->48 52 2 other IPs or domains 14->52 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        50 api.ipify.org 22->50 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->76 78 Tries to steal Mail credentials (via file / registry access) 22->78 80 Tries to harvest and steal browser information (history, passwords, etc) 22->80 34 conhost.exe 24->34         started        signatures9 82 May check the online IP address of the machine 46->82 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4537cf54c71eebe6db44a32ea6087c25db1b41b048ce808af4ed898579b6fcc8/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-11 05:53:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iu346vghd3v6nw2eumxkmcd4exnrwqnqjdhibcxu5weyk6nw7tea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
401d2c3b755530770fc32b5cc9ccf0ad75972fd3857bfce53acf8fb85de78c0d
AgentTesla
4537cf54c71eebe6db44a32ea6087c25db1b41b048ce808af4ed898579b6fcc8
AgentTesla
461f3de19176b99a3e099a1df86f7f3ba4876fb21b2e1c6487cbcec7eef31a01
AgentTesla
6673285a97d7ef391c811a7372c1033ce8f117f8f15702782461ff4737636ce8
AgentTesla
827fd345ee723f7ee4c88cf51d94ed503a1485f0ae50bc32ad53724c970384b0
AgentTesla
d699b78d72ce231d7135f8cdfaacc074fda40d644cb7c0f089987cd502bea3f0
AgentTesla
f438c2b11a136949b2afbacca3b25dee891480911f0f5ce6cfbebe07e02e9d9c
AgentTesla
f76aebb1cb272e660a3613ce28c461e20941f3a2d78fbd4a6cf049bf249a48fe
AgentTesla
+ 383 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/230711-lyxw2agb55/
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
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:
03caa27ffd992dc4d6f25d553f912701493ea445a33c892817c8f06e35f977cf
MD5 hash:
fcb2559aa921e11ce8823c69177af1b3
SHA1 hash:
f6fca2664da39020e481fd656342c7b8ebcd2184
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
85480835435fc95ce4f8146b1dd3e7033271b4c532e20dc4713a5ec0020dc750
MD5 hash:
6a09f7ebfb1282c275708d15cdd86c70
SHA1 hash:
bccaaadaac4dafc879141e8759295d4128b7a0f8
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
03caa27ffd992dc4d6f25d553f912701493ea445a33c892817c8f06e35f977cf
MD5 hash:
fcb2559aa921e11ce8823c69177af1b3
SHA1 hash:
f6fca2664da39020e481fd656342c7b8ebcd2184
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
85480835435fc95ce4f8146b1dd3e7033271b4c532e20dc4713a5ec0020dc750
MD5 hash:
6a09f7ebfb1282c275708d15cdd86c70
SHA1 hash:
bccaaadaac4dafc879141e8759295d4128b7a0f8
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
03caa27ffd992dc4d6f25d553f912701493ea445a33c892817c8f06e35f977cf
MD5 hash:
fcb2559aa921e11ce8823c69177af1b3
SHA1 hash:
f6fca2664da39020e481fd656342c7b8ebcd2184
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
141b9b328a56fa5156c593d9574c0a010b87f8978a2f898325e7883859e85b22
MD5 hash:
2a2acecb75c3b095a7fad74b30dca272
SHA1 hash:
116d375ee0f70c07ab72fb29dc7afee429190ebb
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
85480835435fc95ce4f8146b1dd3e7033271b4c532e20dc4713a5ec0020dc750
MD5 hash:
6a09f7ebfb1282c275708d15cdd86c70
SHA1 hash:
bccaaadaac4dafc879141e8759295d4128b7a0f8
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
141b9b328a56fa5156c593d9574c0a010b87f8978a2f898325e7883859e85b22
MD5 hash:
2a2acecb75c3b095a7fad74b30dca272
SHA1 hash:
116d375ee0f70c07ab72fb29dc7afee429190ebb
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
141b9b328a56fa5156c593d9574c0a010b87f8978a2f898325e7883859e85b22
MD5 hash:
2a2acecb75c3b095a7fad74b30dca272
SHA1 hash:
116d375ee0f70c07ab72fb29dc7afee429190ebb
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
03caa27ffd992dc4d6f25d553f912701493ea445a33c892817c8f06e35f977cf
MD5 hash:
fcb2559aa921e11ce8823c69177af1b3
SHA1 hash:
f6fca2664da39020e481fd656342c7b8ebcd2184
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
85480835435fc95ce4f8146b1dd3e7033271b4c532e20dc4713a5ec0020dc750
MD5 hash:
6a09f7ebfb1282c275708d15cdd86c70
SHA1 hash:
bccaaadaac4dafc879141e8759295d4128b7a0f8
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
141b9b328a56fa5156c593d9574c0a010b87f8978a2f898325e7883859e85b22
MD5 hash:
2a2acecb75c3b095a7fad74b30dca272
SHA1 hash:
116d375ee0f70c07ab72fb29dc7afee429190ebb
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
SH256 hash:
4537cf54c71eebe6db44a32ea6087c25db1b41b048ce808af4ed898579b6fcc8
MD5 hash:
64a00e627e9c766f74529ff5232f1f78
SHA1 hash:
43ad7a1152bb182be3077b064332c2348f5d5719
Link:
https://www.unpac.me/results/63a35fc4-88e3-4d1e-af26-9d254f8c4455/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4537cf54c71e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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 349a58324cb0b3fb69b5fb0794791a5417e393dceb41aed63e2690e5834ed6ec

AgentTesla

Executable exe 4537cf54c71eebe6db44a32ea6087c25db1b41b048ce808af4ed898579b6fcc8

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 349a58324cb0b3fb69b5fb0794791a5417e393dceb41aed63e2690e5834ed6ec
  
Dropped by
SHA256 d9dc53bc129ff3c8f24e5a83b3c885b04456893f4bc85834473c04f696763164
Cape
Cape
https://www.capesandbox.com/analysis/415452/
  
Dropped by
MD5 5550c1049274384bbcc1f3c094c53e25
  
Dropped by
MD5 b32344ac784abb626fac8528abd8ed14

Comments