MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e36594f316d20c3f0fb948a9c12a0190b872265c7ba49ebb4ffab701f38bbdd9. 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 2 File information Comments

SHA256 hash: e36594f316d20c3f0fb948a9c12a0190b872265c7ba49ebb4ffab701f38bbdd9
SHA3-384 hash: c211b119f92ee41769c62cc863f9d8c1ff6ff6ff3f8913d2105f409bc93fb24f8b8d11b1f87c9e250d64c073f4ae59cf
SHA1 hash: cdad223f57b289f0a31df86dc254e13325289f6b
MD5 hash: 5d0d79406f8e894b3146ecbbf8e27465
humanhash: black-crazy-florida-carbon
File name:p2.exe
Download: download sample
Signature Formbook
File size:694'272 bytes
First seen:2021-10-15 10:27:04 UTC
Last seen:2021-10-15 12:12:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 12666343f95da9cc22c238274d75b6c6 (3 x RemcosRAT, 1 x Formbook, 1 x AveMariaRAT)
ssdeep 12288:0SvSsA2JxPaLrNgLGKXhfLeoZ10VicVpS+SnqyUz:0AdLzPCrNgLfXhaoZuVTmpqyA
TLSH T152E48CFAD3D5653AD1233DB60D1746F5A48AAC312E795877EEE538088F367E430212A3
File icon (PE):PE icon
dhash icon fedcbf4d750f4c4c (5 x RemcosRAT, 2 x Formbook, 1 x AveMariaRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
p2.exe
Verdict:
Malicious activity
Analysis date:
2021-10-15 10:28:51 UTC
Tags:
trojan formbook 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 window
DNS request
Connection attempt
Sending a custom TCP request
Modifying an executable file
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm evasive greyware keylogger
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:
DBatLoader FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 503503 Sample: p2.exe Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 67 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 8 other signatures 2->73 10 p2.exe 1 18 2->10         started        process3 dnsIp4 57 cdn.discordapp.com 162.159.135.233, 443, 49721, 49722 CLOUDFLARENETUS United States 10->57 41 C:\Users\Public\Libraries\...\Marfela.exe, PE32 10->41 dropped 95 Writes to foreign memory regions 10->95 97 Allocates memory in foreign processes 10->97 99 Creates a thread in another existing process (thread injection) 10->99 101 Injects a PE file into a foreign processes 10->101 15 DpiScaling.exe 10->15         started        file5 signatures6 process7 signatures8 103 Modifies the context of a thread in another process (thread injection) 15->103 105 Maps a DLL or memory area into another process 15->105 107 Sample uses process hollowing technique 15->107 109 2 other signatures 15->109 18 explorer.exe 2 15->18 injected process9 dnsIp10 43 www.vaporvspaper.com 154.222.121.194, 49803, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->43 45 www.hostingcnx.com 168.76.23.50, 49790, 80 ULTRANETSERVICOSEMINTERNETLTDABR South Africa 18->45 47 8 other IPs or domains 18->47 75 System process connects to network (likely due to code injection or exploit) 18->75 77 Uses ipconfig to lookup or modify the Windows network settings 18->77 22 Marfela.exe 13 18->22         started        26 Marfela.exe 14 18->26         started        28 ipconfig.exe 18->28         started        30 3 other processes 18->30 signatures11 process12 dnsIp13 49 162.159.133.233, 443, 49750 CLOUDFLARENETUS United States 22->49 51 cdn.discordapp.com 22->51 79 Multi AV Scanner detection for dropped file 22->79 81 Writes to foreign memory regions 22->81 83 Allocates memory in foreign processes 22->83 32 mobsync.exe 22->32         started        53 162.159.130.233, 443, 49754 CLOUDFLARENETUS United States 26->53 55 cdn.discordapp.com 26->55 85 Creates a thread in another existing process (thread injection) 26->85 87 Injects a PE file into a foreign processes 26->87 35 mobsync.exe 26->35         started        89 Modifies the context of a thread in another process (thread injection) 28->89 91 Maps a DLL or memory area into another process 28->91 93 Tries to detect virtualization through RDTSC time measurements 28->93 37 cmd.exe 1 28->37         started        signatures14 process15 signatures16 59 Modifies the context of a thread in another process (thread injection) 32->59 61 Maps a DLL or memory area into another process 32->61 63 Sample uses process hollowing technique 32->63 65 Tries to detect virtualization through RDTSC time measurements 32->65 39 conhost.exe 37->39         started        process17
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-10-15 10:28:06 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:n7ak persistence rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.kmresults.com/n7ak/
Unpacked files
SH256 hash:
e36594f316d20c3f0fb948a9c12a0190b872265c7ba49ebb4ffab701f38bbdd9
MD5 hash:
5d0d79406f8e894b3146ecbbf8e27465
SHA1 hash:
cdad223f57b289f0a31df86dc254e13325289f6b
Malware family:
FormBook
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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Malspam

Formbook

Executable exe e36594f316d20c3f0fb948a9c12a0190b872265c7ba49ebb4ffab701f38bbdd9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments