MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79e8144ee4e2e97695849928e162288fc282de48ff4caea48314f9cb56477917. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: 79e8144ee4e2e97695849928e162288fc282de48ff4caea48314f9cb56477917
SHA3-384 hash: 99f8b3b5e99c31bd54f80a74554c3e2e6f50ea5e92d47fefae02730bcef5a089acac277d6b5b10cd6171d1ee2dfc4c2c
SHA1 hash: 8356ff061e4864bfe114fb9e65bed20c267c78e3
MD5 hash: da75710d466d2544bc8f4442b1ce57eb
humanhash: gee-mars-kansas-ten
File name:vbc.exe
Download: download sample
Signature Formbook
File size:320'817 bytes
First seen:2022-02-24 08:19:30 UTC
Last seen:2022-02-24 09:50:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:TxD3m22lVTV6BSLia0bfMUB8uEqLjLQ7LYAbesH/pAK+eRBYBD:Vm246BSLTkfN8ubLj4Uy/pAKaD
Threatray 13'738 similar samples on MalwareBazaar
TLSH T18164239D70D49CBBF61112313577F1F5F3BDE1841273274B8BA00FE9A0229E66628759
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 577949 Sample: vbc.exe Startdate: 24/02/2022 Architecture: WINDOWS Score: 100 35 www.nathanaeljeffrey.xyz 2->35 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 6 other signatures 2->51 11 vbc.exe 18 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\yjpsyjwo.exe, PE32 11->31 dropped 33 C:\Users\user\AppData\Local\Temp\vhdpeghnoh, data 11->33 dropped 14 yjpsyjwo.exe 11->14         started        process6 signatures7 59 Tries to detect virtualization through RDTSC time measurements 14->59 17 yjpsyjwo.exe 14->17         started        process8 signatures9 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 svchost.exe 17->20         started        23 explorer.exe 17->23 injected process10 signatures11 53 Modifies the context of a thread in another process (thread injection) 20->53 55 Maps a DLL or memory area into another process 20->55 57 Tries to detect virtualization through RDTSC time measurements 20->57 25 cmd.exe 1 20->25         started        27 explorer.exe 1 153 20->27         started        process12 process13 29 conhost.exe 25->29         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-02-24 08:18:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ciaz loader rat suricata
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Uses the VBS compiler for execution
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
df87f745921a2f492e45d76cf7e74b886656a40649ac8d94a644196f7101d065
MD5 hash:
f0bc5f28b0fa7c0765f415614f05f89e
SHA1 hash:
eec083182c465bedf96b21de8ebf00acd50ff575
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
445868ae39772e2a65c0e927d6a98d240d93c8515d57837b95c17304ea0dd693
MD5 hash:
c55e114aae523179f507d32858962fe4
SHA1 hash:
3a35f75de10123d4b438d7be88c6bae7087a9a74
SH256 hash:
79e8144ee4e2e97695849928e162288fc282de48ff4caea48314f9cb56477917
MD5 hash:
da75710d466d2544bc8f4442b1ce57eb
SHA1 hash:
8356ff061e4864bfe114fb9e65bed20c267c78e3
Malware family:
XLoader
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information


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

Web download

Formbook

Executable exe 79e8144ee4e2e97695849928e162288fc282de48ff4caea48314f9cb56477917

(this sample)

  
Delivery method
Distributed via web download

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