MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be78978207530d3d0ba4a346c6276ced6ac73401dd86b400d6fdfc7f8c8e4b01. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: be78978207530d3d0ba4a346c6276ced6ac73401dd86b400d6fdfc7f8c8e4b01
SHA3-384 hash: fcc8605042163391f48b30d81c71e71eceb246f1260ed3819416797d5dc66aa78a3ad2514855426708449de91e5a6565
SHA1 hash: f9386f903e8c2919d7226e0122c951c788d48368
MD5 hash: c3af6771e37724869e5d7239ac56f666
humanhash: quiet-colorado-lemon-timing
File name:SecuriteInfo.com.W32.MSIL_Kryptik.HHR.gen.Eldorado.16057.27557
Download: download sample
Signature Formbook
File size:292'864 bytes
First seen:2022-10-05 06:00:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:f/EVxB3Zfcpn+1MVoyJPkbu1OK1OvR6EPOsmHfEXXknCYQWB1Z2SO1BkQ2y14BBa:ng5GfqPR
Threatray 16'533 similar samples on MalwareBazaar
TLSH T15C5457F9D7E357D3F8326A36CB91523460323EC9A4E46DF556C8B72C49301DEA21A92C
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 31f0c0b2b2c0f071 (8 x Formbook, 7 x AgentTesla, 4 x AsyncRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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)
Maps a DLL or memory area into another process
Performs DNS queries to domains with low reputation
Snort IDS alert for network traffic
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 716432 Sample: SecuriteInfo.com.W32.MSIL_K... Startdate: 05/10/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected FormBook 2->49 51 4 other signatures 2->51 7 SecuriteInfo.com.W32.MSIL_Kryptik.HHR.gen.Eldorado.16057.27557.exe 16 6 2->7         started        12 teamviewer.exe 14 4 2->12         started        14 teamviewer.exe 3 2->14         started        process3 dnsIp4 43 grecos.xyz 198.54.115.118, 443, 49698, 49699 NAMECHEAP-NETUS United States 7->43 37 C:\Users\user\AppData\...\teamviewer.exe, PE32 7->37 dropped 39 C:\Users\...\teamviewer.exe:Zone.Identifier, ASCII 7->39 dropped 41 SecuriteInfo.com.W...16057.27557.exe.log, ASCII 7->41 dropped 55 Performs DNS queries to domains with low reputation 7->55 57 Encrypted powershell cmdline option found 7->57 59 Injects a PE file into a foreign processes 7->59 16 powershell.exe 16 7->16         started        18 SecuriteInfo.com.W32.MSIL_Kryptik.HHR.gen.Eldorado.16057.27557.exe 7->18         started        61 Machine Learning detection for dropped file 12->61 20 teamviewer.exe 12->20         started        23 powershell.exe 13 12->23         started        25 teamviewer.exe 14->25         started        27 powershell.exe 14->27         started        file5 signatures6 process7 signatures8 29 conhost.exe 16->29         started        31 conhost.exe 23->31         started        53 Maps a DLL or memory area into another process 25->53 33 explorer.exe 25->33 injected 35 conhost.exe 27->35         started        process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-05 06:01:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:preg persistence rat spyware stealer trojan
Behaviour
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
Checks computer location settings
Formbook
Unpacked files
SH256 hash:
be78978207530d3d0ba4a346c6276ced6ac73401dd86b400d6fdfc7f8c8e4b01
MD5 hash:
c3af6771e37724869e5d7239ac56f666
SHA1 hash:
f9386f903e8c2919d7226e0122c951c788d48368
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: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.

Comments