MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0473f031c92c25f207f6fc08f9e2bfc92b142e5dfcbf63b635a90de49342ba70. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash: 0473f031c92c25f207f6fc08f9e2bfc92b142e5dfcbf63b635a90de49342ba70
SHA3-384 hash: 40f66e593b46a9aebda0ffcffafa73d3fbb1efc80df6b55a87f901ae1518deca81a6275b19b30dc7c914d0cd330e1d1e
SHA1 hash: e3558c596bb5c7b70341f9b4fb2c12bec99e8bcf
MD5 hash: 3c1ff3bd93c6804478b2931ff5aa35e4
humanhash: mars-item-ten-jupiter
File name:0473f031c92c25f207f6fc08f9e2bfc92b142e5dfcbf63b635a90de49342ba70
Download: download sample
Signature Formbook
File size:829'816 bytes
First seen:2024-01-09 13:15:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:UYCR89ZvjOp+BIDdqzywic/E7J9mkQzFdIgaFYNYvMTU9u7in8oEEcdDTj4myOz/:FCIreOICEHmkQII6zuQCH
Threatray 5'816 similar samples on MalwareBazaar
TLSH T12305CF07A32249A1C7A1EB75D9B7A7010721FEB69463DB075BC532AA34173BB1FA1313
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 23272f2f2f2f2f0b (3 x AgentTesla, 2 x GurcuStealer, 2 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
326
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
0473f031c92c25f207f6fc08f9e2bfc92b142e5dfcbf63b635a90de49342ba70
Verdict:
Malicious activity
Analysis date:
2024-01-09 13:15:23 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 file in the %AppData% directory
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
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay 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, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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 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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1364663 Sample: Doc_228716105pdf.exe Startdate: 19/12/2023 Architecture: WINDOWS Score: 100 27 server1.sqsendy.shop 2->27 29 ip-api.com 2->29 31 2 other IPs or domains 2->31 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 10 other signatures 2->51 7 Doc_228716105pdf.exe 1 3 2->7         started        11 idwj.exe 3 2->11         started        13 idwj.exe 2 2->13         started        signatures3 process4 file5 25 C:\Users\user\AppData\Roaming\idwj.exe, PE32 7->25 dropped 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->57 59 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->59 15 Doc_228716105pdf.exe 15 2 7->15         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 65 Injects a PE file into a foreign processes 11->65 19 idwj.exe 14 2 11->19         started        21 idwj.exe 11->21         started        23 idwj.exe 13->23         started        signatures6 process7 dnsIp8 33 server1.sqsendy.shop 63.250.35.178, 49711, 49712, 49713 NAMECHEAP-NETUS United States 15->33 35 api4.ipify.org 173.231.16.77, 443, 49709, 49714 WEBNXUS United States 15->35 37 ip-api.com 208.95.112.1, 49710, 49715, 49725 TUT-ASUS United States 15->37 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->39 41 Tries to steal Mail credentials (via file / registry access) 23->41 43 Tries to harvest and steal browser information (history, passwords, etc) 23->43 signatures9
Threat name:
ByteCode-MSIL.Downloader.Tnega
Status:
Malicious
First seen:
2023-12-19 12:52:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
16 of 37 (43.24%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
94f2c72fc5eef85c9c771bd24f30abb06e9acffb69b058bd176d8fe32b8180f5
MD5 hash:
a42a325fc13a9a3cf547e310afe1a798
SHA1 hash:
9c9cd3623cfeea745c531c3f92a35f2e4597cd7e
SH256 hash:
19c9809acf7901adf16413c08caf43a51f336dcccd03a30fadd2401161b1a243
MD5 hash:
521ebc27f50b4996694dd93c32391cef
SHA1 hash:
97dfd557ea3c64bd313ab62cee0c6b0dba9abdb5
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:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
614c3896862a0223b5c027b41622b099b70bd3ce32a0fef523a48148216f7a8f
MD5 hash:
f0ce27ee5f0818825dcfacb3f929a05e
SHA1 hash:
1815b6c4322bd2074eb0fbbe3d4ca663ba1e80c2
SH256 hash:
0473f031c92c25f207f6fc08f9e2bfc92b142e5dfcbf63b635a90de49342ba70
MD5 hash:
3c1ff3bd93c6804478b2931ff5aa35e4
SHA1 hash:
e3558c596bb5c7b70341f9b4fb2c12bec99e8bcf
Detections:
Typical_Malware_String_Transforms
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


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

Comments