MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 923719834c66427ec96deefc9729cc4eeed61e730dcde33fccd587e21eadf381. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 923719834c66427ec96deefc9729cc4eeed61e730dcde33fccd587e21eadf381
SHA3-384 hash: c1f414a7bddf80bdf097c35186709ce2a883810e1d3d6b99dbb9d6f0e3c5626d1ec38d21896e8d3f31b204f57ee09a43
SHA1 hash: 3c06fdd8f68d9eaab136aac3b2d42c24eacb6487
MD5 hash: cf8cbbb686d778b9a4118a67d53a4742
humanhash: cold-mike-floor-rugby
File name:Quotation and Catalog .exe
Download: download sample
Signature Formbook
File size:68'128 bytes
First seen:2022-08-03 20:30:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:9ILptt2Q1JyfhPM4vWCz0sBe01ucDNn2HTEtlrbca4sKgZ1h:Cth1M1lWCzb401dnKTm9bc3s
Threatray 2'185 similar samples on MalwareBazaar
TLSH T15063E79C775079CFCC5BCE72AAA81C28AA20B477571BC243E05356AD9A0D68BDF141F3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter FORMALITYDE
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotation and Catalog .exe
Verdict:
Malicious activity
Analysis date:
2022-08-03 20:32:18 UTC
Tags:
opendir formbook trojan stealer

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
Sending an HTTP GET request
Launching a process
Creating a file
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Creating a window
Unauthorized injection to a recently created process
DNS request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed
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:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Detected potential unwanted application
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 678407 Sample: Quotation and Catalog .exe Startdate: 03/08/2022 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 9 other signatures 2->53 10 Quotation and Catalog .exe 15 3 2->10         started        process3 dnsIp4 45 208.67.105.125, 49718, 80 GRAYSON-COLLIN-COMMUNICATIONSUS United States 10->45 37 C:\Users\...\Quotation and Catalog .exe.log, ASCII 10->37 dropped 65 Writes to foreign memory regions 10->65 67 Allocates memory in foreign processes 10->67 69 Injects a PE file into a foreign processes 10->69 15 aspnet_compiler.exe 10->15         started        18 aspnet_compiler.exe 10->18         started        file5 signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 20 explorer.exe 15->20 injected 81 Tries to detect virtualization through RDTSC time measurements 18->81 process9 dnsIp10 39 www.syrexol.online 63.250.44.167, 49727, 49728, 80 NAMECHEAP-NETUS United States 20->39 41 www.ahexpressllc.com 20->41 43 parking.namesilo.com 107.161.23.204, 49724, 49725, 49726 RAMNODEUS United States 20->43 55 System process connects to network (likely due to code injection or exploit) 20->55 24 cscript.exe 18 20->24         started        signatures11 process12 file13 33 C:\Users\user\AppData\...3372logrv.ini, data 24->33 dropped 35 C:\Users\user\AppData\...3572logri.ini, data 24->35 dropped 57 Detected FormBook malware 24->57 59 Tries to steal Mail credentials (via file / registry access) 24->59 61 Tries to harvest and steal browser information (history, passwords, etc) 24->61 63 3 other signatures 24->63 28 cmd.exe 2 24->28         started        signatures14 process15 signatures16 71 Tries to harvest and steal browser information (history, passwords, etc) 28->71 31 conhost.exe 28->31         started        process17
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-08-03 03:27:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b19w rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
e92c527a046a140935c1fc89b962fd447b8aa7c8791177c3d2950c28788126fc
MD5 hash:
20307c75fb1139932d6623ee50809ad7
SHA1 hash:
bfc219edd6a230b635d242a8f7f3c9368ba101c2
SH256 hash:
923719834c66427ec96deefc9729cc4eeed61e730dcde33fccd587e21eadf381
MD5 hash:
cf8cbbb686d778b9a4118a67d53a4742
SHA1 hash:
3c06fdd8f68d9eaab136aac3b2d42c24eacb6487
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_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 923719834c66427ec96deefc9729cc4eeed61e730dcde33fccd587e21eadf381

(this sample)

  
Delivery method
Distributed via e-mail attachment

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