MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cdb484aff91fc4c74a8f2750296212dd12af808fee3e01bf9b8d0feafbd8fc1. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cdb484aff91fc4c74a8f2750296212dd12af808fee3e01bf9b8d0feafbd8fc1
SHA3-384 hash: e435c9839c1819e51e1d9c1df90ef5714474189d24ce14eb9dfa14ce0a29595d40e688d67718f417c63f979f9e909f13
SHA1 hash: 5bc3656f6e071c30f36581a8b9861824d40b7a49
MD5 hash: 80fcfd94a2cee1ab7cad84457d74f816
humanhash: football-seventeen-victor-diet
File name:Vessel's Basic Particulars.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:928'768 bytes
First seen:2022-01-06 10:52:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0bae89e124c71b810d11db246a642fa6 (2 x Formbook)
ssdeep 12288:82rYPxajxQmavadsF3JqGQKXGD4irUea+EdhhY2JfGBA+L93tVOp:8v5u1kadG3Jqy20ir/RWGA093ta
Threatray 12'627 similar samples on MalwareBazaar
TLSH T167156C3697A0C8B1C6678534CD0E42DC552DFE103934F9C766E2BC9A0F396E8E476B86
File icon (PE):PE icon
dhash icon ece0f3d692d3c4cc (3 x OskiStealer, 3 x RemcosRAT, 2 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Vessel's Basic Particulars.exe
Verdict:
Malicious activity
Analysis date:
2022-01-06 10:53:59 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/dc3ad621-7bba-4f67-9254-c388e6b28a9a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Artemis80FCFD94A2CE.22679.25159.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/61d6ca131c0d769df9d2dac1/reports/79e89a56-c664-471b-97d7-37f4430c811c/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aaa83f31-8f2e-4a38-91a0-a9418b7914b8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/916249
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 548727 Sample: Vessel's Basic Particulars.exe Startdate: 06/01/2022 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 3 other signatures 2->64 10 Vessel's Basic Particulars.exe 1 17 2->10         started        process3 dnsIp4 56 cdn.discordapp.com 162.159.130.233, 443, 49734, 49735 CLOUDFLARENETUS United States 10->56 42 C:\Users\user\Contacts\Kstbofuqtj.exe, PE32 10->42 dropped 44 C:\Users\...\Kstbofuqtj.exe:Zone.Identifier, ASCII 10->44 dropped 80 Writes to foreign memory regions 10->80 82 Allocates memory in foreign processes 10->82 84 Creates a thread in another existing process (thread injection) 10->84 86 Injects a PE file into a foreign processes 10->86 15 DpiScaling.exe 10->15         started        file5 signatures6 process7 signatures8 88 Modifies the context of a thread in another process (thread injection) 15->88 90 Maps a DLL or memory area into another process 15->90 92 Sample uses process hollowing technique 15->92 94 2 other signatures 15->94 18 explorer.exe 2 15->18 injected process9 signatures10 66 Uses netsh to modify the Windows network and firewall settings 18->66 21 Kstbofuqtj.exe 14 18->21         started        25 Kstbofuqtj.exe 13 18->25         started        27 cmd.exe 18->27         started        29 3 other processes 18->29 process11 dnsIp12 46 162.159.129.233, 443, 49769 CLOUDFLARENETUS United States 21->46 48 192.168.2.1 unknown unknown 21->48 50 cdn.discordapp.com 21->50 68 Writes to foreign memory regions 21->68 70 Creates a thread in another existing process (thread injection) 21->70 72 Injects a PE file into a foreign processes 21->72 31 logagent.exe 21->31         started        52 162.159.133.233, 443, 49765 CLOUDFLARENETUS United States 25->52 54 cdn.discordapp.com 25->54 34 DpiScaling.exe 25->34         started        74 Modifies the context of a thread in another process (thread injection) 27->74 76 Maps a DLL or memory area into another process 27->76 78 Tries to detect virtualization through RDTSC time measurements 27->78 36 cmd.exe 1 27->36         started        38 explorer.exe 2 155 27->38         started        signatures13 process14 signatures15 96 Modifies the context of a thread in another process (thread injection) 31->96 98 Maps a DLL or memory area into another process 31->98 100 Sample uses process hollowing technique 31->100 102 Tries to detect virtualization through RDTSC time measurements 31->102 40 conhost.exe 36->40         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cdb484aff91fc4c74a8f2750296212dd12af808fee3e01bf9b8d0feafbd8fc1/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-06 10:53:14 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtnuqsx7sh6ey5fi6j2qffrbfxisv6ai73r6ag7zxdip5l55r7aq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06d3dc4da506d3c92fd8b82b27d92dec4036fd9622727c6e31cc314ea18ca518
Formbook
14642e431716be5f43044de68f915037e0358a401f59e490f5370cc5563a1a23
Formbook
2b61cfb00cc8a45fdae91c176c8e68be4ac7cefbe0fab5781e5fa44d2ec4ca9f
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
497ca74514404b8699709d6fd3e3ab89cbd5eeb8fb1a5dea69561297f6a5e09a
Formbook
59564998eea247b74fae4eda4ec4d033c71dac44ee51d9317df8dd88d0fc4fd7
Formbook
6d6b50ac34692e324b25147855ff3a075b1d5505f7fd550e405bca20ad94879a
Formbook
754d0c2b1277e1c89a1220f33cdb795900b882bfb5b0fc003b1880e55c4fbec1
Formbook
c98eac88f8f4243d7303b806cb58e0a89e33270cb4b33457c91938a2b2746238
Formbook
fa20666ddef2dcc581feec3be79cd35b4d9f44e2dc713ee0eaeae73673b83b0c
Formbook
+ 12'617 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g2fg persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220106-myzajabeek/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5852f167948b3cf3fcd175ed0acc3cd43456ab0aecae4ac68121bde1906bcf39
MD5 hash:
bb66163c0a181098d801f3d6b775f73f
SHA1 hash:
fe4adcf4bf6146cac5b4eb192c99fc0cebba323b
Detections:
win_dbatloader_w0
Create hunting rule
Link:
https://www.unpac.me/results/fe4a1105-25cd-405e-820c-13190e95d1d7/
Parent samples :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 hash:
4cdb484aff91fc4c74a8f2750296212dd12af808fee3e01bf9b8d0feafbd8fc1
MD5 hash:
80fcfd94a2cee1ab7cad84457d74f816
SHA1 hash:
5bc3656f6e071c30f36581a8b9861824d40b7a49
Link:
https://www.unpac.me/results/fe4a1105-25cd-405e-820c-13190e95d1d7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4cdb484aff91/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4cdb484aff91fc4c74a8f2750296212dd12af808fee3e01bf9b8d0feafbd8fc1

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

File information

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

Malspam

Formbook

Executable exe 4cdb484aff91fc4c74a8f2750296212dd12af808fee3e01bf9b8d0feafbd8fc1

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
  
URLhaus
https://urlhaus.abuse.ch/url/1950561/

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