MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523. 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


Formbook


Vendor detections: 17


Intelligence 17 IOCs YARA 9 File information Comments
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SHA256 hash: 940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523
SHA3-384 hash: 5a245a2dac5dc34f24d2ac77c668c1383bab939676d2ce5cb63f87753f1ea9ab39e2400a1da970bf11e12093a12bb512
SHA1 hash: 595d79f7b39345cf03cf14edf469c16963584b11
MD5 hash: 12fde22d22a6d23c2523bc91256bd70e
humanhash: happy-autumn-triple-purple
File name:940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523
Download: download sample
Signature Formbook
Create hunting rule
File size:733'512 bytes
First seen:2024-01-10 15:15:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:HZqk0gLHFFs7OFlxZ0mOFK309dhTZk7Fve5CUyb5mbr:5q8l8eZ4FL9FuZme5Sr
Threatray 2'013 similar samples on MalwareBazaar
TLSH T1AAF4D05B6A050812CB62AB34A6B393320D15FEFA44A7D347A3C9B43D52763EB1FE1711
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 27d0d8d4d4d8d027 (24 x AgentTesla, 8 x SnakeKeylogger, 7 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
316
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523.exe
Verdict:
Malicious activity
Analysis date:
2024-01-10 15:15:34 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/e88d1955-18b3-4c91-929c-a72f74ec6cf8

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/470233/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
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Win.Trojan.EmbeddedReversedDLL-9940922-0
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Win.Trojan.Generic-10014419-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/659eb4b8d1ae2d05b969690a/reports/0950fc99-adaa-4ce0-a01c-09346d4503f3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/102aefd9-661d-4eac-8252-b46bcd60a7c7
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1372502
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1372502 Sample: Ff3AKMoCGZ.exe Startdate: 10/01/2024 Architecture: WINDOWS Score: 100 25 server1.sqsendy.shop 2->25 27 ip-api.com 2->27 29 2 other IPs or domains 2->29 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 11 other signatures 2->49 7 Ff3AKMoCGZ.exe 1 3 2->7         started        11 Lyvdrov.exe 3 2->11         started        13 Lyvdrov.exe 2 2->13         started        signatures3 process4 file5 23 C:\Users\user\AppData\Roaming\Lyvdrov.exe, PE32 7->23 dropped 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->55 57 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->57 15 Ff3AKMoCGZ.exe 15 2 7->15         started        59 Antivirus detection for dropped file 11->59 61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 19 Lyvdrov.exe 14 2 11->19         started        65 Injects a PE file into a foreign processes 13->65 21 Lyvdrov.exe 13->21         started        signatures6 process7 dnsIp8 31 server1.sqsendy.shop 63.250.35.178, 587 NAMECHEAP-NETUS United States 15->31 33 api4.ipify.org 64.185.227.156, 443, 49701, 49704 WEBNXUS United States 15->33 35 ip-api.com 208.95.112.1, 49702, 49705, 49711 TUT-ASUS United States 15->35 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->37 39 Tries to steal Mail credentials (via file / registry access) 21->39 41 Tries to harvest and steal browser information (history, passwords, etc) 21->41 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523/
Threat name:
Win32.Spyware.Negasteal
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Status:
Suspicious
First seen:
2023-12-21 11:59:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
24 of 37 (64.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sqh3ctmilhac63ptlzrulld7hnodtxz6lgszwasxlkg3xb46wurq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0574c519f3223ce91d01d30e35da2f6c64d58676854720230e92766accf145ee
Formbook
3771ffa30d40d316147a274b351d576cfe20268c688586ac6845592340462d61
Formbook
aa3d6760a1c5dbfcf7407c4e69f853b33f882cfc17daee6f18e037ed3a763e11
Formbook
bb6889ea81e999b4c550c20244e68f42ea08525ac9cc30b9d6f6180fd571cce7
Formbook
+ 2'003 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240110-snfnbshgfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
f64f8caf1831dbeab57bdecb72382117578140ee4e8254893943eb81485030a3
MD5 hash:
474ee925f661c8af18e0c5a165547857
SHA1 hash:
bbb6c0545b27ae86eecd2420a41fc58c2676b8cb
Link:
https://www.unpac.me/results/b443de0b-42bb-427e-86cd-9ce6174a7749/
SH256 hash:
bd3fc6899e1cfb7e76c665a423775a52d51a572161dba1283270b7292ff57460
MD5 hash:
032f5b3b1bd39933abe18c14489385cb
SHA1 hash:
30c8d4a022e8baef2606c1e720bceef4795e255e
Link:
https://www.unpac.me/results/b443de0b-42bb-427e-86cd-9ce6174a7749/
SH256 hash:
2ac64ed411072106e023a8ab584ee0566b2b97836f0beb8a95c20c561fe28326
MD5 hash:
4361dfdfaabb2b4a4062fced42686f60
SHA1 hash:
2926a3e93915093d1bea069ee1bdf708bcd245ce
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/b443de0b-42bb-427e-86cd-9ce6174a7749/
Parent samples :
2ac64ed411072106e023a8ab584ee0566b2b97836f0beb8a95c20c561fe28326
a61589bc1fbf8a004af8b09f9140597f8f3fc40e7ede6c52bd77c8447d34f23a
940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523
SH256 hash:
d506eba0191bbe9a75a2c4f4776ccda1a1be8bd4771f047740565c192be63591
MD5 hash:
942eb600fdabbeb6c44e6fe796b1e8bf
SHA1 hash:
0023052fcf82efb38aaf96ae3ca42a8e2f117c16
Link:
https://www.unpac.me/results/b443de0b-42bb-427e-86cd-9ce6174a7749/
SH256 hash:
940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523
MD5 hash:
12fde22d22a6d23c2523bc91256bd70e
SHA1 hash:
595d79f7b39345cf03cf14edf469c16963584b11
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/b443de0b-42bb-427e-86cd-9ce6174a7749/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/940fb14d8859c02f6df35e6345ac7f3b5c39df3e59a59b02575a8dbb879eb523

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/470233/

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