MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfe96798a6065c99050d1cb964200874b40e3916f90e3caed35df9ace3dc3198. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1

SHA256 hash: dfe96798a6065c99050d1cb964200874b40e3916f90e3caed35df9ace3dc3198
SHA3-384 hash: 5037fda786d349bc5e78b9754f7cb07f225f291f9b0285f28944c7749440b93b6f65d36f2943f747ef11dc26f87edd8a
SHA1 hash: 1d8c406871a1969850fd31883f23b56cb0bf0380
MD5 hash: 5ee375628c34cd0aa0833e24bc31087a
humanhash: paris-muppet-virginia-fourteen
File name:5ee375628c34cd0aa0833e24bc31087a
Download: download sample
Signature Formbook
File size:1'228'800 bytes
First seen:2021-08-16 17:45:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:0NHIFYVblhB4Y2K4DzXmg87g17/QonXK74sufqV:1yF14DPOUwcsKqV
Threatray 7'920 similar samples on MalwareBazaar
TLSH T1D545E73915B82B27E079E369E6E44417B3E0A45FB225ED59BCDA03E70206F4265C373E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL SHIPMENT DOCUMENTS.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-16 16:50:36 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

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
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 466194 Sample: wY7bmtlMWB Startdate: 16/08/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 6 other signatures 2->42 10 wY7bmtlMWB.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\wY7bmtlMWB.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 wY7bmtlMWB.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.doudiangroup.com 119.8.237.49, 49738, 80 HWCLOUDS-AS-APHUAWEICLOUDSHK Singapore 17->30 32 windajol.com 47.89.247.189, 49736, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 17->32 34 www.windajol.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         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 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-08-16 17:46:18 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:kzk9 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.yourmajordomo.com/kzk9/
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
06e206a1c7f9c103ab98a238c65ade46358b4e34b885bfa37ae31caca21d6505
MD5 hash:
85a3669df6e7e2cdd1e593138b4f95b5
SHA1 hash:
8fdc2d00a6d737da63da078e0789af55329cb42c
SH256 hash:
dfe96798a6065c99050d1cb964200874b40e3916f90e3caed35df9ace3dc3198
MD5 hash:
5ee375628c34cd0aa0833e24bc31087a
SHA1 hash:
1d8c406871a1969850fd31883f23b56cb0bf0380
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: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.

Web download

Formbook

Executable exe dfe96798a6065c99050d1cb964200874b40e3916f90e3caed35df9ace3dc3198

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-08-16 17:45:47 UTC

url : hxxp://180.214.236.151/Resource/dllhost.exe