MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c428b36093ad04e27a3ad86f06c716a9de37b502428211ecc15466fda55068b. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c428b36093ad04e27a3ad86f06c716a9de37b502428211ecc15466fda55068b
SHA3-384 hash: e0a5f9705b75dee4948f08b138c9774762c06d95a711d0f4d63f5e040c2230d3ef5c91b8cc9be3fc22fcfbf281a3141c
SHA1 hash: 8cae139353e77e1e4bd08f86934160f9f23cffa9
MD5 hash: 131ff0ef35352e56cef2893ab1260c3d
humanhash: thirteen-cola-iowa-west
File name:131ff0ef35352e56cef2893ab1260c3d
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'169'920 bytes
First seen:2023-03-03 10:47:22 UTC
Last seen:2023-03-03 12:43:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:h3fgj7KltlcuIr2D9qo9ggXIgxqc8vpayjts8eMrTJYSnCfKZ5YMyy:9gj7I82DwobnxqcgpayOMtnCwYMt
Threatray 49 similar samples on MalwareBazaar
TLSH T11145742809FC0EF2C571F1B99FD4E753BD80C8E6AA049D9982934B8A551395720EFD3E
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)
File icon (PE):PE icon
dhash icon 7aca8abab4a4b8da (33 x AgentTesla, 32 x SnakeKeylogger, 4 x DarkCloud)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
da53bd57af58ae908cd30e303113930cecbd995719404e2dbd7009f0bc54926d.doc
Verdict:
Malicious activity
Analysis date:
2023-03-03 07:02:53 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/4e845b8f-bb0e-4b6e-93ef-7f9dba5e0a9b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/371355/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.26220.17477.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6401d066bfec0852a68ebc89/reports/a3a8e267-52e8-44d9-bc13-4026a27b1a48/overview
Verdict:
Malicious
Labled as:
MSIL/GenKryptik_AGeneric.QZ trojan
Link:
https://www.hybrid-analysis.com/sample/8c428b36093ad04e27a3ad86f06c716a9de37b502428211ecc15466fda55068b
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3ddfce10-1ccd-4c3d-bdd3-a7f61ccbdaf5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1186432
Signature
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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: 819308 Sample: n1uELdRRC4.exe Startdate: 03/03/2023 Architecture: WINDOWS Score: 100 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 Yara detected AgentTesla 2->64 66 Machine Learning detection for sample 2->66 7 n1uELdRRC4.exe 7 2->7         started        11 gcWPrHZ.exe 5 2->11         started        13 gcWPrHZ.exe 2->13         started        15 iygpxcCSjijj.exe 3 2->15         started        process3 file4 48 C:\Users\user\AppData\...\iygpxcCSjijj.exe, PE32 7->48 dropped 50 C:\Users\...\iygpxcCSjijj.exe:Zone.Identifier, ASCII 7->50 dropped 52 C:\Users\user\AppData\Local\...\tmpB80B.tmp, XML 7->52 dropped 54 C:\Users\user\AppData\...\n1uELdRRC4.exe.log, ASCII 7->54 dropped 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 7->80 82 Adds a directory exclusion to Windows Defender 7->82 17 n1uELdRRC4.exe 2 5 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 88 Injects a PE file into a foreign processes 11->88 26 gcWPrHZ.exe 11->26         started        28 schtasks.exe 11->28         started        30 gcWPrHZ.exe 13->30         started        32 schtasks.exe 13->32         started        34 gcWPrHZ.exe 13->34         started        signatures5 process6 dnsIp7 56 us2.smtp.mailhostbox.com 208.91.198.143, 49697, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->56 44 C:\Users\user\AppData\Roaming\...\gcWPrHZ.exe, PE32 17->44 dropped 46 C:\Users\user\...\gcWPrHZ.exe:Zone.Identifier, ASCII 17->46 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Tries to steal Mail credentials (via file / registry access) 17->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->72 36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        58 208.91.199.223, 49698, 49699, 587 PUBLIC-DOMAIN-REGISTRYUS United States 26->58 40 conhost.exe 28->40         started        74 Tries to harvest and steal browser information (history, passwords, etc) 30->74 42 conhost.exe 32->42         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c428b36093ad04e27a3ad86f06c716a9de37b502428211ecc15466fda55068b/
Threat name:
ByteCode-MSIL.Trojan.Remloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-03 07:47:56 UTC
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rrbiwnqjhlie4j5dvwdpa3drnko6g62qequcchwmcvdg7wsva2fq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163
AgentTesla
19146932c4a283f9e7580b7c6c729f81e1e3c7ad6012556f0b7059d8c4af559e
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3047d199e9540948a25c577cc9181b77d26708c2539c660706a8fd12fec2db1b
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34ee1f687542eedbad8004e9f6861d4842497c08d5374bf6ea50a8af633ebc22
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79477d248daad8ef7e2470ec40e066f55e945d343b8bfe778359646b34182d91
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b65c4b6176909f6ff47cb1c7321a4855995bfa97a473c0927aeef0e3b714cd83
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b8a5c75c1d6e7d0db7108bdace410c3eb76455a5458f885abb52ff543d5bcaf9
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b9fd7e1e9b204a2b8fe3c2ee138b05e10b49c76bb29dd20f9d4a0cebfe3b72b8
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d7ea087df6c4c70925ed7a251405e8c1133654ad5ad5e3e3c8033a5f0c8f492a
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efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c
AgentTesla
+ 39 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/230303-mv42lsge9v/
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
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:
1ca385bd3f4ca0493e3efcd83451292b0add472eac326f2a16b1344c01ce9a55
MD5 hash:
941cefb61cfb63d2ba8b6331fc335213
SHA1 hash:
bf1fdb6224a5361d9231e6acd83454dae6a152b3
Link:
https://www.unpac.me/results/71e22e23-a611-4967-8eb2-75c91ea66d3c/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/71e22e23-a611-4967-8eb2-75c91ea66d3c/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
c7f29f19a63837974a4e8ef72d68d80226629174927c57b913623886282bb23c
MD5 hash:
9c855a4f1d00fafcc3c6bdd7ee01a26a
SHA1 hash:
44b11c7401e96d090d647c9b822e0c7db93efc5a
Link:
https://www.unpac.me/results/71e22e23-a611-4967-8eb2-75c91ea66d3c/
SH256 hash:
bd67fb6ce9e5e3a1a0919f3327648b0cc94a32890bf2cd29eea05e62c9fa1e19
MD5 hash:
619fd810ec051bbac2f7da259fec7a61
SHA1 hash:
2fab2daa79e378331ec0068f9f826b9fd7ad3d5a
Link:
https://www.unpac.me/results/71e22e23-a611-4967-8eb2-75c91ea66d3c/
SH256 hash:
b6175f6fc614cc310d5c377f5c85e8f8cc545f487cd6706a4422a12711b666a8
MD5 hash:
1fcee63ba5aa01edd98b72b94ab0b0d8
SHA1 hash:
19aa4874f777ad26ffab9028df166ddcae4f4c62
Link:
https://www.unpac.me/results/71e22e23-a611-4967-8eb2-75c91ea66d3c/
SH256 hash:
8c428b36093ad04e27a3ad86f06c716a9de37b502428211ecc15466fda55068b
MD5 hash:
131ff0ef35352e56cef2893ab1260c3d
SHA1 hash:
8cae139353e77e1e4bd08f86934160f9f23cffa9
Link:
https://www.unpac.me/results/71e22e23-a611-4967-8eb2-75c91ea66d3c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c428b36093a/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/8c428b36093ad04e27a3ad86f06c716a9de37b502428211ecc15466fda55068b

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.

Web download

AgentTesla

Executable exe 8c428b36093ad04e27a3ad86f06c716a9de37b502428211ecc15466fda55068b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2556487/
Cape
Cape
https://www.capesandbox.com/analysis/371355/
  
URLhaus
https://urlhaus.abuse.ch/url/2557536/

Comments


Avatar
zbet commented on 2023-03-03 10:47:26 UTC

url : hxxp://198.46.174.170/250/vbc.exe