MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02fcd974ed295876909c4ab68f5407bb5629649d2e56352ce39911dafa9b09ad. 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 20 File information Comments

SHA256 hash: 02fcd974ed295876909c4ab68f5407bb5629649d2e56352ce39911dafa9b09ad
SHA3-384 hash: cb50b5308a1b93f3b9142ede6a0ddde0e63222e3fa96eaba53118737cb24f89cb2da0335ba6ec128c227f531cc990635
SHA1 hash: 4249f90a5b402f4126265681d812097fe71692d6
MD5 hash: bc0376206d1c6d33bd9e52dcb81e4f09
humanhash: river-nebraska-uniform-lactose
File name:SecuriteInfo.com.Win32.CrypterX-gen.6113.26438
Download: download sample
Signature Formbook
File size:437'248 bytes
First seen:2024-04-15 15:34:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:MBi2YE367ONkXCHj0vjObPK2T9wti2GNHZo5JlpeVP/sBG3V+M+2P:Mt4viby2WtYNHy5JQ/5+MPP
Threatray 4'146 similar samples on MalwareBazaar
TLSH T15F94D01F4E307588D80496B796A10B9C0DAB2E0FFCE5566F480DBFEAE3BBDB44258541
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 4c33d8d4d4d8324c (40 x AgentTesla, 23 x RedLineStealer, 15 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
459
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
02fcd974ed295876909c4ab68f5407bb5629649d2e56352ce39911dafa9b09ad.exe
Verdict:
Malicious activity
Analysis date:
2024-04-15 15:35:33 UTC
Tags:
evasion agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Setting a keyboard event handler
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Stealing user critical data
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 references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, 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 Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1426198 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 15/04/2024 Architecture: WINDOWS Score: 100 14 ftp.ercolina-usa.com 2->14 16 ip-api.com 2->16 18 2 other IPs or domains 2->18 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 7 other signatures 2->32 7 SecuriteInfo.com.Win32.CrypterX-gen.6113.26438.exe 2 2->7         started        signatures3 process4 signatures5 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->34 36 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->36 38 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->38 10 SecuriteInfo.com.Win32.CrypterX-gen.6113.26438.exe 15 2 7->10         started        process6 dnsIp7 20 ercolina-usa.com 192.254.225.136, 21, 49739, 49740 UNIFIEDLAYER-AS-1US United States 10->20 22 ip-api.com 208.95.112.1, 49738, 80 TUT-ASUS United States 10->22 24 api.ipify.org 104.26.13.205, 443, 49735 CLOUDFLARENETUS United States 10->24 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->40 42 Tries to steal Mail credentials (via file / registry access) 10->42 44 Tries to harvest and steal browser information (history, passwords, etc) 10->44 46 Installs a global keyboard hook 10->46 signatures8
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-04-15 15:35:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 37 (59.46%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
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:
1a9c0455a921ae5f45e8e6e671bee4366a3fcbdcabf56468b2b67cf387dd366e
MD5 hash:
531569ba6cd0459e21f178b5d920e5b1
SHA1 hash:
6ba78b46df38b7c07e303b40e2f9517d709770fe
Detections:
win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 MALWARE_Win_AgentTeslaV2 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:
62711f490a5665467ab98b7ee72266af199d24482ea66d4a71419dd9200612a6
MD5 hash:
a607b95036223a48924d699bf93fe51f
SHA1 hash:
5ba5397c2bae90e738cb400aa9a9d40bdc661ba1
SH256 hash:
966e4849b562728bff4bbd69fadc2a566899a3d983a7ff5304e72ecf6cfcd772
MD5 hash:
55857f507f2e6dace00eafaac0391548
SHA1 hash:
1dbfdcd721d24918aae25344bc8b715405702aba
SH256 hash:
02fcd974ed295876909c4ab68f5407bb5629649d2e56352ce39911dafa9b09ad
MD5 hash:
bc0376206d1c6d33bd9e52dcb81e4f09
SHA1 hash:
4249f90a5b402f4126265681d812097fe71692d6
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:AgentTeslaV2
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 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:MALWARE_Win_AgentTeslaV2
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
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_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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