MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd6521e545a79d0eaee74e0d165f78ff5615d1c677ef93bffebc60d1e6b6a07d. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
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SHA256 hash: bd6521e545a79d0eaee74e0d165f78ff5615d1c677ef93bffebc60d1e6b6a07d
SHA3-384 hash: 2c7d67e64c936093e6c3b8dc46ce30db1a7a2928e71d7bdb4d1958758fdaa717c9e2f820aedcbf633b467cde259bd25e
SHA1 hash: cd64c1ab79920832229b2522b07424f5245a2a42
MD5 hash: 51108b30426d47e20588da24fdf02099
humanhash: july-shade-timing-low
File name:51108b30426d47e20588da24fdf02099
Download: download sample
Signature Formbook
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File size:635'320 bytes
First seen:2022-06-13 12:03:01 UTC
Last seen:2022-06-13 12:55:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:rDl6akdDJq5mLGW1oV/ekCIj4Oj5LuztNpbngqeNfQlBXK307iH:r+B4eGkoV/NRj5LuZ5Y
TLSH T1CBD4E126E28B4216F23EED70CC54E0798266BD4BBE13E95B59CA4ECF75E0E41442B11F
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook signed

Code Signing Certificate

Organisation:PHysicality
Issuer:PHysicality
Algorithm:sha1WithRSAEncryption
Valid from:2022-06-03T04:55:06Z
Valid to:2023-06-03T04:55:06Z
Serial number: 87015a4d94121b00b63d16ee0c228f90
Thumbprint Algorithm:SHA256
Thumbprint: 592e91fbe51d5bad4657f75189dd02bf9508d0acbadd09d8d8df06e22df4b7f7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
51108b30426d47e20588da24fdf02099
Verdict:
Suspicious activity
Analysis date:
2022-06-13 22:39:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/067e1d97-54da-4689-8690-d74ae5664b6a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/279405/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1371.13349.873.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/62a7277e3c52ddca42d8e458/reports/14479fcc-8923-4eb1-b311-ff7b384bf446/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f1a3521a-0c51-4e52-8920-4f2c83ed0a19
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011981
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644477 Sample: Oc3i6wpbY6 Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 8 other signatures 2->44 10 Oc3i6wpbY6.exe 1 2->10         started        process3 file4 30 C:\Users\user\AppData\...\Oc3i6wpbY6.exe.log, ASCII 10->30 dropped 54 Writes to foreign memory regions 10->54 56 Allocates memory in foreign processes 10->56 58 Injects a PE file into a foreign processes 10->58 14 fltMC.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 2 other signatures 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.sofassalepe.com 185.53.179.94, 49788, 80 TEAMINTERNET-ASDE Germany 17->32 34 www.classychatter.com 104.201.51.52, 49786, 80 ESITEDUS United States 17->34 36 3 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 cscript.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd6521e545a79d0eaee74e0d165f78ff5615d1c677ef93bffebc60d1e6b6a07d/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-03 15:07:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xvssdzkfu6oq5lxhjygrmx3y75lbluogo7xzhp76xrqndzvwub6q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:cfp6 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220613-n71qdsgagj/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
9ce13c5abb25841920a23c8b55d58ecd754174f374db98ad97c7e09152d9ddea
MD5 hash:
dc83368bee178625b9ddccb9dad97012
SHA1 hash:
4b6da186c0b9e90649eae937a9aa76a52309e449
Link:
https://www.unpac.me/results/86d555f9-3473-4da3-8d6a-f977aec96ec7/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/86d555f9-3473-4da3-8d6a-f977aec96ec7/
SH256 hash:
bd6521e545a79d0eaee74e0d165f78ff5615d1c677ef93bffebc60d1e6b6a07d
MD5 hash:
51108b30426d47e20588da24fdf02099
SHA1 hash:
cd64c1ab79920832229b2522b07424f5245a2a42
Link:
https://www.unpac.me/results/86d555f9-3473-4da3-8d6a-f977aec96ec7/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bd6521e545a7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/bd6521e545a79d0eaee74e0d165f78ff5615d1c677ef93bffebc60d1e6b6a07d

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
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Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe bd6521e545a79d0eaee74e0d165f78ff5615d1c677ef93bffebc60d1e6b6a07d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2236405/
Cape
Cape
https://www.capesandbox.com/analysis/279405/

Comments


Avatar
zbet commented on 2022-06-13 12:03:17 UTC

url : hxxp://103.74.105.221/365cloud/vbc.exe