MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f83fcc39abe5edc0e1ff4abdfb7fb49b01ee918c3c0ab6f0378551450349271. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f83fcc39abe5edc0e1ff4abdfb7fb49b01ee918c3c0ab6f0378551450349271
SHA3-384 hash: e73b2c3808ec9b75fb6385ceab5093acc8417e4640b9ca27da57d4809be81afab4d64a512317c32c9c27ba7a3a9677c9
SHA1 hash: 3772dc9e3f8edaae8f8f5ff3143c1b5e1572b4cb
MD5 hash: 62a662fb0f86fcb7c883fff342679dee
humanhash: golf-mountain-neptune-rugby
File name:datasheet -VALVES MA9881.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:992'256 bytes
First seen:2023-05-26 07:03:46 UTC
Last seen:2023-05-26 07:23:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:1N7QASamX/zZBEP85Rp4DUxs3ImvxwzuPZOrNRzbJ8qLf35YEUDl8Tw7cNUryAX7:1NE8mv9BEP8zpru3IyxwzuPZWDJ73u
Threatray 2'832 similar samples on MalwareBazaar
TLSH T176255AAC711075DFC86BCD76CAA82C74EA2064BBA30BD203901715EDAA0DA97DF145F7
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
261
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
datasheet -VALVES MA9881.exe
Verdict:
Malicious activity
Analysis date:
2023-05-26 07:06:06 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/74b7a491-83f9-4949-82ed-d51a55007000

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/391945/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30331.4641.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/647059e3697080ec1de2bebc/reports/fc8947b0-b60c-4359-bff3-abe742a4ee7f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4f83fcc39abe5edc0e1ff4abdfb7fb49b01ee918c3c0ab6f0378551450349271
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/835323e3-7764-424e-b510-353ad3b21e69
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1243032
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Installs a global keyboard hook
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)
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 ftp login credentials
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: 876041 Sample: datasheet_-VALVES_MA9881.exe Startdate: 26/05/2023 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 4 other signatures 2->59 7 datasheet_-VALVES_MA9881.exe 6 2->7         started        11 XWZgslicLBpxjL.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\XWZgslicLBpxjL.exe, PE32 7->35 dropped 37 C:\...\XWZgslicLBpxjL.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpECC2.tmp, XML 7->39 dropped 61 Detected unpacking (changes PE section rights) 7->61 63 Detected unpacking (overwrites its own PE header) 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Adds a directory exclusion to Windows Defender 7->67 13 RegSvcs.exe 15 3 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        69 Antivirus detection for dropped file 11->69 71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 21 RegSvcs.exe 11->21         started        23 schtasks.exe 11->23         started        25 RegSvcs.exe 11->25         started        27 RegSvcs.exe 11->27         started        signatures5 process6 dnsIp7 41 smtp.yandex.ru 77.88.21.158, 49699, 49702, 587 YANDEXRU Russian Federation 13->41 43 api4.ipify.org 64.185.227.155, 443, 49698, 49701 WEBNXUS United States 13->43 51 2 other IPs or domains 13->51 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->75 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->77 79 May check the online IP address of the machine 13->79 81 Installs a global keyboard hook 13->81 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        45 192.168.2.1 unknown unknown 21->45 47 smtp.yandex.com 21->47 49 api.ipify.org 21->49 83 Tries to steal Mail credentials (via file / registry access) 21->83 85 Tries to harvest and steal ftp login credentials 21->85 87 Tries to harvest and steal browser information (history, passwords, etc) 21->87 33 conhost.exe 23->33         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f83fcc39abe5edc0e1ff4abdfb7fb49b01ee918c3c0ab6f0378551450349271/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-26 07:04:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6b7zq42xzpnydq76sv57n73jgyb52iyypakw3ydpbkriubusjyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
26ec84d86c07a621e86269544e8e4018d40bfe4c19a3ced4ee3749155bc4acc8
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320c4584c3d392006ef443e5743123a45909fbae309c7561ced8fac11e11e5d3
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3978001ee5d6b75a65ba8f881ec75caca178dc690bd1e55b90a977b1d23fbd2d
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52f7df04cb306719eead0d602947612f3b909ef4fba8029af064891882ff4048
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6e6fbb8f5874a70451963264d87adb2f6aedce3c02d32881f4178e245c134537
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a1147ccf60f6595605bbdef6050964cfe9223e65820ea9c354f54ceabdab8d9b
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aa32e78de8afd5fb932a8d887fa1e4d5412f6433659e5cc53a39019107ff5130
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c0d2175379d5613de7a562df8a96a3aa3a9c1b740380aa4a43026a534fc39ef9
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c34595b336cffa1c3c6cf48b44a4a988c213e882a647bef9f887fc6c3a3fd51b
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f9d49ba395212bc46444ac00546a04c8da9b251ce103adf52d9c80be61f6348c
AgentTesla
+ 2'822 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/230526-hvx6vaec48/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
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:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/16a31eac-6870-434f-ac12-00a20dbc8da9/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
f58f7e01963e1d48fdc977a5ad894c149da8977b5b0d56498d5b5589537245b7
MD5 hash:
a45e3c64e9c4b92b29deeb0df8be3a39
SHA1 hash:
9367084850c29a93cb4d6af3396e81750ed95453
Link:
https://www.unpac.me/results/16a31eac-6870-434f-ac12-00a20dbc8da9/
SH256 hash:
b2876080a8892ec02a11cc322cc18952d45f9e419c1cb6d4d070860c59fe87eb
MD5 hash:
803e0c67b76960ff5d9ccb360ba9636b
SHA1 hash:
836d339682618638c6b2e3d156ad66a56e4f9ba5
Link:
https://www.unpac.me/results/16a31eac-6870-434f-ac12-00a20dbc8da9/
SH256 hash:
3df2e9892a8aff74e6d9bd03a7aa7ac5e1d2b98aae517eabdf8782c2651c9551
MD5 hash:
dcab2c25143f4aeb3917124a576cbefa
SHA1 hash:
618c6db9ae941f32cd63709be24a973a61af0ff0
Link:
https://www.unpac.me/results/16a31eac-6870-434f-ac12-00a20dbc8da9/
SH256 hash:
2f78ec0ceec51d7a05d601254f992259b5e7414e8bf2489647ee6c5ebeb60ffc
MD5 hash:
1cb2cf67f7fd1a8b21b95acd94c2d9f0
SHA1 hash:
2dbd4bdcd48e3e76bfd4c31aa3c9b38a3fd8bb0b
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/16a31eac-6870-434f-ac12-00a20dbc8da9/
Parent samples :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 hash:
4f83fcc39abe5edc0e1ff4abdfb7fb49b01ee918c3c0ab6f0378551450349271
MD5 hash:
62a662fb0f86fcb7c883fff342679dee
SHA1 hash:
3772dc9e3f8edaae8f8f5ff3143c1b5e1572b4cb
Link:
https://www.unpac.me/results/16a31eac-6870-434f-ac12-00a20dbc8da9/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f83fcc39abe/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/4f83fcc39abe5edc0e1ff4abdfb7fb49b01ee918c3c0ab6f0378551450349271

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

Executable exe 4f83fcc39abe5edc0e1ff4abdfb7fb49b01ee918c3c0ab6f0378551450349271

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/391945/

Comments