MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18522fd93f9cb13ee2bb32d6c8090c8c1cddfd0c6a91e284a4ad303e1d6ea048. 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: 18522fd93f9cb13ee2bb32d6c8090c8c1cddfd0c6a91e284a4ad303e1d6ea048
SHA3-384 hash: ca532172bfc2f77aef891c97b35323e19e400886df3f9774d3760b4293352c17d1d93f72b41c0b9d7787d36135e39378
SHA1 hash: 29bec6848a133899d1526ec65d4424e547d2ec01
MD5 hash: 991551bad2535a1f37e32b7b43d192b5
humanhash: mockingbird-yankee-pasta-nineteen
File name:Purchase. Order & Contract (A-4553).exe
Download: download sample
Signature Formbook
File size:726'016 bytes
First seen:2022-09-14 13:17:49 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 12288:EVF75e1Zwe/HgS7tq3M4AGhbee4GWM3YNsPeKyvIUPwwK/dctnCvC1BFBV0R:EVZ52ZRgS7tUM4rVQW4v0NdctZDBV0R
Threatray 18'411 similar samples on MalwareBazaar
TLSH T110F49BA6D4E4FF13F6360E387370AE56826529374B998145E8EECBE120C6E35342F583
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0e4ac5cd3f2e8f0 (10 x Formbook, 4 x Loki, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 702823 Sample: Purchase. Order & Contract ... Startdate: 14/09/2022 Architecture: WINDOWS Score: 100 33 www.thekaitlynbertrand.com 2->33 35 www.sagsten.com 2->35 37 4 other IPs or domains 2->37 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 10 other signatures 2->49 9 Purchase. Order & Contract (A-4553).exe 3 2->9         started        signatures3 process4 file5 25 Purchase. Order & ...ct (A-4553).exe.log, ASCII 9->25 dropped 59 Injects a PE file into a foreign processes 9->59 13 Purchase. Order & Contract (A-4553).exe 9->13         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 16 explorer.exe 13->16 injected 20 BackgroundTransferHost.exe 13 13->20         started        process9 dnsIp10 27 www.190bautistaway.com 162.209.66.24, 49761, 49771, 80 RMH-14US United States 16->27 29 www.b-c-s.org 217.160.0.91, 49756, 80 ONEANDONE-ASBrauerstrasse48DE Germany 16->29 31 2 other IPs or domains 16->31 39 System process connects to network (likely due to code injection or exploit) 16->39 41 Uses netstat to query active network connections and open ports 16->41 22 NETSTAT.EXE 13 16->22         started        signatures11 process12 signatures13 51 Tries to steal Mail credentials (via file / registry access) 22->51 53 Tries to harvest and steal browser information (history, passwords, etc) 22->53 55 Deletes itself after installation 22->55 57 2 other signatures 22->57
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-05 01:01:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
29 of 39 (74.36%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:etfh rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Unpacked files
SH256 hash:
18364dd924515c479466ca808a4ffb6d90ddcd3fd1b21da83aa9c7d56b8e1f00
MD5 hash:
c9c6cf58a9f28560d02822eed24fd2b8
SHA1 hash:
e675c0d04cd72532fdf803300838a3fefe037723
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
b5ce6ac41e494131d0075c73e4fc2859e763801e3064bd2960fcf45359a2de74
MD5 hash:
7a217343329468a4212abbdb1774c7d1
SHA1 hash:
079f983f9e5e41792bf0f9d13c0cc44f05e55f6d
SH256 hash:
18522fd93f9cb13ee2bb32d6c8090c8c1cddfd0c6a91e284a4ad303e1d6ea048
MD5 hash:
991551bad2535a1f37e32b7b43d192b5
SHA1 hash:
29bec6848a133899d1526ec65d4424e547d2ec01
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: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 18522fd93f9cb13ee2bb32d6c8090c8c1cddfd0c6a91e284a4ad303e1d6ea048

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments