MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e. 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: 12


Intelligence 12 IOCs YARA 16 File information Comments
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SHA256 hash: 324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e
SHA3-384 hash: c091d2a26524cd944e7009341d00d928caa8cb7a5a5ad748491bec0898b202a6f62a24df378dde9742d6974ea9802196
SHA1 hash: 73f54931531a22e10a27c739f74bd96a4e8b883c
MD5 hash: f6ba03826286e89b7daf8ae2541650a3
humanhash: thirteen-paris-yankee-timing
File name:Zaplata,jpeg.scr
Download: download sample
Signature Formbook
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File size:870'912 bytes
First seen:2024-02-05 08:04:09 UTC
Last seen:2024-02-05 09:30:10 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:qaakD9c3hOKuiifhyMNcvclTv9gkRFy35x9vAWS4SeEUoyTYdXg67TsN+u/dCVwu:P9cx5MmuvC35bvHmEbTY1I+u/HxI
TLSH T19305129436E9AE5FCA6A06F0D184680137BD699461C3DBEA8CE4B1F689D33D6CD0314F
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 61494d71d0d0e069 (3 x AgentTesla, 3 x Formbook, 1 x RemcosRAT)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
278
Origin country :
PL PL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/474578/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65c096b21a072d5652661a22/reports/a4d5d093-5aae-47ed-a4ce-8b87be4a494f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e
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/92994515-66b8-493c-8aae-29e2874f74b3
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1386568
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1386568 Sample: Zaplata,jpeg.scr.exe Startdate: 05/02/2024 Architecture: WINDOWS Score: 100 40 mail.cock.li 2->40 42 ip-api.com 2->42 44 2 other IPs or domains 2->44 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 11 other signatures 2->58 8 Zaplata,jpeg.scr.exe 7 2->8         started        12 DGpfSsJbUbXjGE.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\DGpfSsJbUbXjGE.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp5D79.tmp, XML 8->38 dropped 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->60 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 72 3 other signatures 8->72 14 Zaplata,jpeg.scr.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 22 DGpfSsJbUbXjGE.exe 12->22         started        24 schtasks.exe 12->24         started        26 DGpfSsJbUbXjGE.exe 12->26         started        signatures6 process7 dnsIp8 46 api4.ipify.org 173.231.16.76, 443, 49732, 49737 WEBNXUS United States 14->46 48 ip-api.com 208.95.112.1, 49733, 49738, 80 TUT-ASUS United States 14->48 50 mail.cock.li 37.120.193.123, 49736, 49739, 587 M247GB Romania 14->50 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->74 76 Tries to steal Mail credentials (via file / registry access) 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 34 conhost.exe 24->34         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-02-05 09:31:35 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gjftvuwexfiwhdn4xq3sowug5wkdexq2tznffcbgv2zbolkh3f7a._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240205-jyvessdben/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
9f430b4a8ff4665e7d33b96c11e36d97a032a6d84f203edc35c8f0e6e6aef6bb
MD5 hash:
5b6474a24443c602a6c58f2c1ce2de7f
SHA1 hash:
794b3a21142d5ad52e2de09c7e1d8ec43e11db07
Link:
https://www.unpac.me/results/9a678cad-aeff-40a9-8139-f46f75b71c28/
SH256 hash:
1b1fc6add43d2a30e18c2bf3c3854e72558df896bb5d920b2a546e0cf3f3e9e0
MD5 hash:
e47becd51601c0f38e2af133a49bc4e4
SHA1 hash:
593417b6ebd65eef440a016cc3bc3b28511f3aac
Link:
https://www.unpac.me/results/9a678cad-aeff-40a9-8139-f46f75b71c28/
SH256 hash:
b5f0cc3dbf09bc22cf4b1252734f2d961f66c29e391c808fe8e294a7d4299877
MD5 hash:
0b94ae659ec2ca28c391871da230fcf3
SHA1 hash:
31266d35c9d8ef150a8042bfec678f1c0435556c
Detections:
AgentTesla
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win_agent_tesla_g2
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Agenttesla_type2
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
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INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/9a678cad-aeff-40a9-8139-f46f75b71c28/
Parent samples :
1239fa29e268d719dba852cf1ea0f25400ff5fefd70815dfca9c2606bc09c280
fe708d845a9c3e6d3338b2a146a4a5e68fe05d448b72a63bd60f4b431b243d9f
324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
Link:
https://www.unpac.me/results/9a678cad-aeff-40a9-8139-f46f75b71c28/
SH256 hash:
324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e
MD5 hash:
f6ba03826286e89b7daf8ae2541650a3
SHA1 hash:
73f54931531a22e10a27c739f74bd96a4e8b883c
Link:
https://www.unpac.me/results/9a678cad-aeff-40a9-8139-f46f75b71c28/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/324b3ad2c4b9/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/324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e

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:AgentTeslaV3
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
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Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

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/474578/

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