MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf. 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: 455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf
SHA3-384 hash: 45b3c172dcd38df6c8303e50ff380594516dd41fede4d8221a050c9c24ae39031dfd628a93cabb2a80ff2117f48023cd
SHA1 hash: 7d76dc65adcd1dd28c1007a98b7271269c7f0fbf
MD5 hash: e38099e6cb5af67be5ac2ca9d52b4a26
humanhash: may-seventeen-montana-crazy
File name:e38099e6cb5af67be5ac2ca9d52b4a26.exe
Download: download sample
Signature Formbook
File size:636'416 bytes
First seen:2023-04-25 06:27:20 UTC
Last seen:2023-05-13 22:50:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:2cjYvXWTDIjHuPjnGtZX1GphZRzFf44O:BYvXWTQKyGrzFQ4O
Threatray 3'322 similar samples on MalwareBazaar
TLSH T160D4E0CEE34E0276DF9AE5F14FD5BB9B15C6D2D22A302CA87A3C45B4E14E76C6B40181
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
238
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO 0445232.xls
Verdict:
Malicious activity
Analysis date:
2023-04-25 06:25:39 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook xloader

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
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 853392 Sample: dXqQOrza1D.exe Startdate: 25/04/2023 Architecture: WINDOWS Score: 100 31 www.hfe2wr8zdi1.cfd 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 11 dXqQOrza1D.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\dXqQOrza1D.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 dXqQOrza1D.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 1 1 15->18 injected process9 dnsIp10 33 hatchandneststudio.com 76.223.105.230, 49699, 80 AMAZON-02US United States 18->33 35 www.sicepat.net 18->35 37 www.hatchandneststudio.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wscript.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-04-24 20:59:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ne28 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
SH256 hash:
e89e0605b2c4671df9d27ad9e3a68c32232d0dedb3e55935b3c175102c3f69cf
MD5 hash:
50eed4d52c055066eaaa694453637786
SHA1 hash:
b88630a787a3903a577fee498645024f948b347d
SH256 hash:
6d7e9a70ff64194aacd734b625c0c0352b9eabd12845edeecc1259516bf64843
MD5 hash:
12e77123698656192aa765a9b249d883
SHA1 hash:
614bd417b410a677f8943ea88e2f8d2da0551727
SH256 hash:
5a03e78cb26930ed621d275c178180fa86f62e277044d6d9e8da6dac614f5791
MD5 hash:
fdfd1025b5d072fb216bc1b812cdd2d1
SHA1 hash:
2597a0f89179eb0974b0c519bf0ea005560f2757
SH256 hash:
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf
MD5 hash:
e38099e6cb5af67be5ac2ca9d52b4a26
SHA1 hash:
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

(this sample)

  
Delivery method
Distributed via web download

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