MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbe9af0d5f4eec35c73a7362af2c095693882f614e7fa42b9acdb0476bb5fb20. 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 4 File information Comments

SHA256 hash: fbe9af0d5f4eec35c73a7362af2c095693882f614e7fa42b9acdb0476bb5fb20
SHA3-384 hash: e3c0b206cc970dcc41af65c7cf97e37219069ead3eb55a056b949a9042c46a6b8736a9f489f42558bd4e242ecbb22d2b
SHA1 hash: 17325a50a00ae290d0cdec1c6bc06833ccd336b2
MD5 hash: e05e0cb637120f45bc28a0c416c7af02
humanhash: leopard-december-venus-orange
File name:SecuriteInfo.com.Win32.PWSX-gen.3245.1850
Download: download sample
Signature Formbook
File size:646'656 bytes
First seen:2024-02-06 19:29:29 UTC
Last seen:2024-02-06 19:29:31 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:NUxLvnA7gEfuhhoOfQcfi4eWb4JUaFlD0gMRIoY8Ydr/67F7wAly/PIRuKdkWKZ/:NUx7nA7FfwQcfZ5b4Cut0Bkr5/6TRuYO
TLSH T120D423B87BE038B7D63A52F5996220690330F5253D52DAE03DD370DB14EBF809A55B8B
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 f269b44aadd268b0 (3 x Formbook, 2 x RemcosRAT, 1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
321
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
fbe9af0d5f4eec35c73a7362af2c095693882f614e7fa42b9acdb0476bb5fb20.exe
Verdict:
Malicious activity
Analysis date:
2024-02-07 03:39:34 UTC
Tags:
evasion stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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)
Sample uses string decryption to hide its real strings
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1387787 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 06/02/2024 Architecture: WINDOWS Score: 100 42 us2.smtp.mailhostbox.com 2->42 44 ip-api.com 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 12 other signatures 2->56 8 SecuriteInfo.com.Win32.PWSX-gen.3245.1850.exe 7 2->8         started        12 ktmKiTGIwqk.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\ktmKiTGIwqk.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp3FBD.tmp, XML 8->40 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 70 3 other signatures 8->70 14 SecuriteInfo.com.Win32.PWSX-gen.3245.1850.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 22 8->20         started        22 schtasks.exe 1 8->22         started        64 Antivirus detection for dropped file 12->64 66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 24 ktmKiTGIwqk.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 ip-api.com 208.95.112.1, 49732, 49736, 80 TUT-ASUS United States 14->46 48 us2.smtp.mailhostbox.com 208.91.198.143, 49733, 49737, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->48 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        72 Tries to steal Mail credentials (via file / registry access) 24->72 74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-06 15:00:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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 user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
750d7d4301857f952e5581d19d18d85ca441da8126fc2fdb2027d8e7baddd419
MD5 hash:
c2745db30ef25afca76b6df72a666921
SHA1 hash:
ea13904ccc048a559f67be79bc04779a5432751b
SH256 hash:
1ec3d0fb4603d712e0330ad2543870aea4dc2a00352a8949a200cf4f976ad65e
MD5 hash:
58e184e3ab21c2622c4eebba516e55ad
SHA1 hash:
8d9ad4d9f0c6a399b5acebc06d9bbf82fd036f50
SH256 hash:
b67fd79a0a14d5e3aca0367018b70a4afb20fa26970a6780af57de49d40f5a29
MD5 hash:
26263d1e27d175692315f40959a38c85
SHA1 hash:
7d54b2a9dfca5897d9bb00b4a6a01b2e26a134c8
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
SH256 hash:
fbe9af0d5f4eec35c73a7362af2c095693882f614e7fa42b9acdb0476bb5fb20
MD5 hash:
e05e0cb637120f45bc28a0c416c7af02
SHA1 hash:
17325a50a00ae290d0cdec1c6bc06833ccd336b2
Malware family:
AgentTesla
Verdict:
Malicious
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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