MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: 36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f
SHA3-384 hash: 3c239e61e376c27d81e0033d756bafd0bbcf41b89e890c6b41376e34c547b8c221e82b6d342920f2e70516757dccf73c
SHA1 hash: 9db5aef9870fd0aebc796a2107871b0de6af9716
MD5 hash: b10d83ecfd730b5f98a21efac49c00bd
humanhash: may-yellow-purple-michigan
File name:PI and payment confirmed pdf.exe
Download: download sample
Signature Formbook
File size:1'133'568 bytes
First seen:2023-09-18 06:49:06 UTC
Last seen:2023-09-18 07:41:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c2ad891bcde9025eb987ac7b7c972a6f (2 x DBatLoader, 2 x RemcosRAT, 1 x Formbook)
ssdeep 24576:MbrDmg606ige8Nl24myHD6GfZX8H5tav:0tqw
Threatray 3'511 similar samples on MalwareBazaar
TLSH T1DD357C24B3426870E016B935D80BE685E1F67DC13E1D48CA51EC7A765EF93E33A1C98B
TrID 50.1% (.EXE) InstallShield setup (43053/19/16)
15.2% (.SCR) Windows screen saver (13097/50/3)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 30828c8c8c864840 (2 x DBatLoader, 2 x RemcosRAT, 1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
292
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PI and payment confirmed pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-09-18 11:18:48 UTC
Tags:
dbatloader formbook xloader trojan stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Searching for the window
Launching the process to change network settings
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control keylogger lolbin masquerade overlay
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, DBatLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Drops PE files with a suspicious file extension
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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 domain / URL
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: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1309807 Sample: PI_and_payment_confirmed_pdf.exe Startdate: 18/09/2023 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Multi AV Scanner detection for domain / URL 2->77 79 Found malware configuration 2->79 81 11 other signatures 2->81 10 PI_and_payment_confirmed_pdf.exe 1 2 2->10         started        process3 dnsIp4 53 web.fe.1drv.com 10->53 55 uuvn0w.ph.files.1drv.com 10->55 57 2 other IPs or domains 10->57 43 C:\Users\Public\Libraries\Rcgggpmy.PIF, PE32 10->43 dropped 101 Drops PE files with a suspicious file extension 10->101 103 Writes to foreign memory regions 10->103 105 Allocates memory in foreign processes 10->105 107 2 other signatures 10->107 15 SndVol.exe 10->15         started        file5 signatures6 process7 signatures8 109 Modifies the context of a thread in another process (thread injection) 15->109 111 Maps a DLL or memory area into another process 15->111 113 Sample uses process hollowing technique 15->113 115 2 other signatures 15->115 18 explorer.exe 14 37 15->18 injected process9 dnsIp10 47 tripskorea.com 183.111.242.61, 49731, 49732, 49733 KIXS-AS-KRKoreaTelecomKR Korea Republic of 18->47 49 volkovastyu.com 78.46.88.140, 49727, 49728, 49729 HETZNER-ASDE Germany 18->49 51 10 other IPs or domains 18->51 83 System process connects to network (likely due to code injection or exploit) 18->83 22 cscript.exe 19 18->22         started        26 Rcgggpmy.PIF 18->26         started        29 cmd.exe 18->29         started        signatures11 process12 dnsIp13 39 C:\Users\user\AppData\...\0L9logrv.ini, data 22->39 dropped 41 C:\Users\user\AppData\...\0L9logri.ini, data 22->41 dropped 85 Detected FormBook malware 22->85 87 Tries to steal Mail credentials (via file / registry access) 22->87 89 Tries to harvest and steal browser information (history, passwords, etc) 22->89 97 3 other signatures 22->97 31 cmd.exe 2 22->31         started        59 web.fe.1drv.com 26->59 61 uuvn0w.ph.files.1drv.com 26->61 63 2 other IPs or domains 26->63 91 Antivirus detection for dropped file 26->91 93 Multi AV Scanner detection for dropped file 26->93 95 Machine Learning detection for dropped file 26->95 99 4 other signatures 26->99 35 SndVol.exe 26->35         started        file14 signatures15 process16 file17 45 C:\Users\user\AppData\Local\Temp\DB1, SQLite 31->45 dropped 65 Tries to harvest and steal browser information (history, passwords, etc) 31->65 67 Tries to detect virtualization through RDTSC time measurements 31->67 37 conhost.exe 31->37         started        69 Modifies the context of a thread in another process (thread injection) 35->69 71 Maps a DLL or memory area into another process 35->71 73 Sample uses process hollowing technique 35->73 signatures18 process19
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2023-09-18 00:38:25 UTC
File Type:
PE (Exe)
Extracted files:
72
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:n7ak persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Script User-Agent
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
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook payload
ModiLoader Second Stage
Formbook
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
SH256 hash:
e747a225280de09d26eba1a7be155e823b031bf2f8cb2f659efe5046cc2d4386
MD5 hash:
879f0e8120c6b102bf6c0e87654b2cd1
SHA1 hash:
04dacfe15293c7727fd8ee6707c833aedb4a1428
Detections:
win_dbatloader_g1
SH256 hash:
36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f
MD5 hash:
b10d83ecfd730b5f98a21efac49c00bd
SHA1 hash:
9db5aef9870fd0aebc796a2107871b0de6af9716
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Formbook

Executable exe 36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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