MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a456a0fcdedef851458b225f6bae02f6ee4e9ff6e1d479376d3766497aea8ac2. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: a456a0fcdedef851458b225f6bae02f6ee4e9ff6e1d479376d3766497aea8ac2
SHA3-384 hash: a09d060f8f08cd3d81a7452f44ceb3a10470bc7b9b23bddcd0cd0414aa21b3713f0c5a7bdb9333ff4ea39085283421db
SHA1 hash: dfde32e2c0bbf857e8e41cc8c0489159a363570f
MD5 hash: bacb5a416d46300f991a7a1958e3dc7a
humanhash: april-mango-potato-pasta
File name:bacb5a416d46300f991a7a1958e3dc7a.exe
Download: download sample
Signature Formbook
File size:708'096 bytes
First seen:2023-08-13 07:55:20 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:mle+FSJCEY94ipPlyOe0IeCSdMjhfH8v3IFlqTjuB:LQSsToj9eCSejhP8vIGTj0
Threatray 155 similar samples on MalwareBazaar
TLSH T1E5E4CF60EE399E82F54F4B79104FD70E82715D8A3622C53A1AAF50C6D4977C212CF7AB
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bacb5a416d46300f991a7a1958e3dc7a.exe
Verdict:
No threats detected
Analysis date:
2023-08-13 08:11:23 UTC
Tags:
n/a

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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
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:
evad.troj.spyw
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Deletes itself after installation
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1290639 Sample: UXWudxGE21.exe Startdate: 13/08/2023 Architecture: WINDOWS Score: 100 31 www.whiskeyrockszerofox.com 2->31 33 www.uvmxy3.cfd 2->33 35 19 other IPs or domains 2->35 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 5 other signatures 2->57 10 UXWudxGE21.exe 3 2->10         started        signatures3 process4 signatures5 61 Injects a PE file into a foreign processes 10->61 13 UXWudxGE21.exe 10->13         started        process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 13->63 65 Maps a DLL or memory area into another process 13->65 67 Queues an APC in another process (thread injection) 13->67 16 RAVCpl64.exe 13->16 injected process8 process9 18 help.exe 13 16->18         started        21 autoconv.exe 16->21         started        signatures10 43 Tries to steal Mail credentials (via file / registry access) 18->43 45 Tries to harvest and steal browser information (history, passwords, etc) 18->45 47 Deletes itself after installation 18->47 49 4 other signatures 18->49 23 explorer.exe 3 1 18->23 injected 27 firefox.exe 18->27         started        29 firefox.exe 18->29         started        process11 dnsIp12 37 www.registrationdata.org 216.40.34.41, 49778, 49779, 49780 TUCOWSCA Canada 23->37 39 www.potent-tech.com 119.28.69.86, 49760, 49761, 49762 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 23->39 41 11 other IPs or domains 23->41 59 System process connects to network (likely due to code injection or exploit) 23->59 signatures13
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-08-11 13:48:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c626bb14f96aa5e4da875c08230bc9c97bb61c9736f3d4dc8d4a5758a8aa35dc
MD5 hash:
78dcba5d9656b33f044ba352a2a9e660
SHA1 hash:
8d28ba43dcb87cb4a987a8c7c228bf63b62e3324
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
8973ec20883b3d45af6c843de26bd764bb3ca9346ffe2def89942b1a973f16f0
MD5 hash:
67cda3ec4bee9bf8bb35ea857ac9a5d1
SHA1 hash:
6ca5037103de3a0d69b07610cdb9a4f7ed70c643
SH256 hash:
303ce03924e8da5d3063881449f6577b6fa4e97c7b9f2e27277036aea908a6e5
MD5 hash:
268c203bcf4c5f962492056856d6a4c0
SHA1 hash:
02a813d726d18f337d92a885ce54d1a069854d82
SH256 hash:
a456a0fcdedef851458b225f6bae02f6ee4e9ff6e1d479376d3766497aea8ac2
MD5 hash:
bacb5a416d46300f991a7a1958e3dc7a
SHA1 hash:
dfde32e2c0bbf857e8e41cc8c0489159a363570f
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:NET
Author:malware-lu
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 a456a0fcdedef851458b225f6bae02f6ee4e9ff6e1d479376d3766497aea8ac2

(this sample)

  
Delivery method
Distributed via web download

Comments