MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 460b2b74ef23d427bef4a5406b8b2cc09b4b1efa178cd0f32b6ac105253f237a. 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: 15


Intelligence 15 IOCs YARA 17 File information Comments

SHA256 hash: 460b2b74ef23d427bef4a5406b8b2cc09b4b1efa178cd0f32b6ac105253f237a
SHA3-384 hash: 5c7ed99a83cf2adf01d95d5cc7a880d1ffad4af5182de9277a48d5be3ba8861b02671e96d4bfbb0a3ff13c2013da5ec0
SHA1 hash: 05db16aaff7d69a728f3ffb8acbe09a19dcd553d
MD5 hash: 69615ec14e4852627460cbbf0c2ed533
humanhash: crazy-oklahoma-mirror-single
File name:SecuriteInfo.com.Win32.PWSX-gen.2245.21332
Download: download sample
Signature Formbook
File size:659'968 bytes
First seen:2024-02-07 15:41:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:vAxLvnA7IjGWN7atYgzM06d08SodPoYn4GBuUrVkokJ61:vAx7nA7NWcXH4dZn4GMUJko3
Threatray 5'544 similar samples on MalwareBazaar
TLSH T118E4224026F88723D0AD73FB50A072616B318C329013F3EA6CED65E75A8A7464F15BA7
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
384
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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)
Found malware configuration
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
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: 1388514 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 07/02/2024 Architecture: WINDOWS Score: 100 60 us2.smtp.mailhostbox.com 2->60 62 ip-api.com 2->62 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 11 other signatures 2->74 8 SecuriteInfo.com.Win32.PWSX-gen.2245.21332.exe 7 2->8         started        12 TPwjlZLFG.exe 5 2->12         started        14 ZUHFqcY.exe 2->14         started        16 ZUHFqcY.exe 2->16         started        signatures3 process4 file5 56 C:\Users\user\AppData\Roaming\TPwjlZLFG.exe, PE32 8->56 dropped 58 C:\Users\user\AppData\Local\Temp\tmp1F9.tmp, XML 8->58 dropped 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->84 86 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->86 88 Uses schtasks.exe or at.exe to add and modify task schedules 8->88 98 2 other signatures 8->98 18 SecuriteInfo.com.Win32.PWSX-gen.2245.21332.exe 16 5 8->18         started        23 powershell.exe 21 8->23         started        25 schtasks.exe 1 8->25         started        90 Antivirus detection for dropped file 12->90 92 Multi AV Scanner detection for dropped file 12->92 94 Machine Learning detection for dropped file 12->94 27 TPwjlZLFG.exe 12->27         started        29 schtasks.exe 1 12->29         started        96 Injects a PE file into a foreign processes 14->96 31 ZUHFqcY.exe 14->31         started        33 schtasks.exe 14->33         started        35 ZUHFqcY.exe 16->35         started        37 schtasks.exe 16->37         started        signatures6 process7 dnsIp8 64 ip-api.com 208.95.112.1, 49732, 49736, 49738 TUT-ASUS United States 18->64 66 us2.smtp.mailhostbox.com 208.91.198.143, 49733, 49737, 49740 PUBLIC-DOMAIN-REGISTRYUS United States 18->66 52 C:\Users\user\AppData\Roaming\...\ZUHFqcY.exe, PE32 18->52 dropped 54 C:\Users\user\...\ZUHFqcY.exe:Zone.Identifier, ASCII 18->54 dropped 76 Tries to steal Mail credentials (via file / registry access) 18->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->78 39 conhost.exe 23->39         started        42 WmiPrvSE.exe 23->42         started        44 conhost.exe 25->44         started        46 conhost.exe 29->46         started        48 conhost.exe 33->48         started        80 Tries to harvest and steal browser information (history, passwords, etc) 35->80 50 conhost.exe 37->50         started        file9 signatures10 process11 signatures12 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 39->82
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-07 12:31:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence 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
Adds Run key to start application
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:
f599e2f61695060bd17eaddb36a8bdf2292d84c16bfb551e60614aaaea9806e8
MD5 hash:
f492936a1b25ff3167b9f5617666ef88
SHA1 hash:
778e2d19585bf283c5f2cf6bbd22d9fdafe5ac74
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:
38e0c6d980305c75802c29c0296f16fe0e9d8ef0c387580096acbfb914a805a3
MD5 hash:
6d6dc9776d8f8feaf6f35048c87e3c85
SHA1 hash:
2a93098d71c171354d458ecabd97c5b2aca00cf4
SH256 hash:
90b05ed2828b7bec339e555082af6a87b45ee55843ca44b67861345dffc553ff
MD5 hash:
81a5bf655603f852bc606fba80fd9935
SHA1 hash:
0bd265bfdc2da11df5dc52b0239e98747a82512d
SH256 hash:
4396c1c899c6f224b8f81a9e16917c6e608b8a0a9b11854ba1dd0bb9010bb6d0
MD5 hash:
795e061bb1ae9b340a208963a2435544
SHA1 hash:
03fe269a7a0c85742ce97d5264ecb12f7e5add13
SH256 hash:
460b2b74ef23d427bef4a5406b8b2cc09b4b1efa178cd0f32b6ac105253f237a
MD5 hash:
69615ec14e4852627460cbbf0c2ed533
SHA1 hash:
05db16aaff7d69a728f3ffb8acbe09a19dcd553d
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

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