MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ccadaf700c4557efd158b2578d62710414c288b13d1c7a1eec1b06957ea8837b. 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 18 File information Comments

SHA256 hash: ccadaf700c4557efd158b2578d62710414c288b13d1c7a1eec1b06957ea8837b
SHA3-384 hash: e02258f3e50518b42144bda7442ec06938c31626a059998ad3aae9611586ef85b17440f2d6ceac0fbf2034bf78f0458d
SHA1 hash: f944ac33a1fb6d0b1fd8a97147487976a1b334c7
MD5 hash: 271bed3b2972f11259073f7e3cde6bb4
humanhash: freddie-winner-oxygen-florida
File name:NEW QUOTATION.exe
Download: download sample
Signature Formbook
File size:711'168 bytes
First seen:2024-04-16 12:14:40 UTC
Last seen:2024-04-16 12:28:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:xAvIPc9MUWeQRfMIqaBwqKEhcEvGR7yd4Cz3ARSteRM:xAzWeQROS+R7ydlbAgcS
Threatray 4'111 similar samples on MalwareBazaar
TLSH T13FE40204B1FA6F59E3A907B16A2068145BB765FB5132E30B0FC290D72936F845F81FA7
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 004000c8c8004000 (6 x AgentTesla, 6 x Formbook, 4 x Neshta)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
344
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
ccadaf700c4557efd158b2578d62710414c288b13d1c7a1eec1b06957ea8837b.exe
Verdict:
Malicious activity
Analysis date:
2024-04-16 12:17:12 UTC
Tags:
evasion stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
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
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
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 contains potential unpacker
.NET source code contains very large array initializations
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Snort IDS alert for network traffic
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-04-16 02:49:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
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 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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6359985836:AAEpvgyD3CBEihuwlXNMLbKTgPfew2N22lc/
Unpacked files
SH256 hash:
c440913a75a63334051442e5e43db078fccf5412526dcb8cc8755fea19be3883
MD5 hash:
f5bdc1bc0439457b3c0d76d7fb9d13df
SHA1 hash:
c396ec4ad9be9adc25feae1774aae81c09dbbe49
Detections:
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:
4003167a809015064b97cc1d2b78ce3d9b347e1f76fb4e4624243552ad7f8379
MD5 hash:
7b87ef9ad65675d8dbf99ebf368b9c50
SHA1 hash:
8fa0373ad4c94c3ff4cff8797c3ecd3634dc7b3f
SH256 hash:
6c4a2931506f6d2be6083c1b018222a4efeecc2c09866a9db30fc647d1288a92
MD5 hash:
884e2c7e4b3ffd7528bcbfb8cb5fb0f9
SHA1 hash:
7583ffc5ec52904eadbae7d33dff7b53c39713eb
SH256 hash:
5d3b862b27a5560f64437cb6536329849a21cdf636a5a60903f09e5a26d6e6ae
MD5 hash:
a3e7359f4b2bba12f1351f95d29edaf0
SHA1 hash:
3bde250aa41f4c8bb377611a8da6158265c7d2c5
SH256 hash:
ccadaf700c4557efd158b2578d62710414c288b13d1c7a1eec1b06957ea8837b
MD5 hash:
271bed3b2972f11259073f7e3cde6bb4
SHA1 hash:
f944ac33a1fb6d0b1fd8a97147487976a1b334c7
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: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: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.

Malspam

Formbook

Executable exe ccadaf700c4557efd158b2578d62710414c288b13d1c7a1eec1b06957ea8837b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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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