MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86efd34020073e8fcdb31a794973b6a63ebef864684e304edc98d435ffa75016. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 86efd34020073e8fcdb31a794973b6a63ebef864684e304edc98d435ffa75016
SHA3-384 hash: e6a2a1ad9e567a19b0a43c9131cfaa914bc8c8e5ead5e70809ec868640a643bf107d816c19579fe86bccc3378c9402dc
SHA1 hash: f63c1df2e34448c05670f10a734b4b6e988ed2b6
MD5 hash: babec548d64d2d65430564a0c154af00
humanhash: juliet-earth-fillet-robin
File name:103 Ref 2853801324189923.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:720'384 bytes
First seen:2021-10-11 07:52:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d1a53510a2d85dc2671dd94748ab51cf (2 x Formbook, 2 x RemcosRAT)
ssdeep 12288:1sCK7j81eHghs1Lqob5GZj9wNqdVVGs+4lprmi:1bivAhs9qotQ9+qdGs1pm
Threatray 10'348 similar samples on MalwareBazaar
TLSH T19AE48E21F6954DB6E21E0A749E1717C26E24A9203934694B24E94C4CCFF63ED7E3B3D2
File icon (PE):PE icon
dhash icon c4f0d0d4d0d4d4d4 (13 x RemcosRAT, 7 x Formbook, 1 x AveMariaRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
103 Ref 2853801324189923.exe
Verdict:
No threats detected
Analysis date:
2021-10-11 07:57:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d435453a-95f9-45bc-94f1-1fa2687db0c2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/196501/
Detection(s):
SecuriteInfo.com.W32.Injector.AMR.genEldorado.26592.22257.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
67%
Tags:
greyware keylogger
Link:
https://www.filescan.io/uploads/6163ed5f3831960005b3ee54/reports/a8eaa35c-c2a6-4200-99b7-a1652ca66338/overview
Result
Threat name:
DBatLoader FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868131
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Execution from Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 500557 Sample: 103 Ref 2853801324189923.exe Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 39 www.goodtasteonline.com 2->39 41 HDRedirect-LB7-5a03e1c2772e1c9c.elb.us-east-1.amazonaws.com 2->41 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 7 other signatures 2->69 10 103 Ref 2853801324189923.exe 1 17 2->10         started        signatures3 process4 dnsIp5 55 cdn.discordapp.com 162.159.133.233, 443, 49753, 49755 CLOUDFLARENETUS United States 10->55 37 C:\Users\Public\Libraries\...\Tzddbyt.exe, PE32 10->37 dropped 87 Injects a PE file into a foreign processes 10->87 15 103 Ref 2853801324189923.exe 10->15         started        file6 signatures7 process8 signatures9 89 Modifies the context of a thread in another process (thread injection) 15->89 91 Maps a DLL or memory area into another process 15->91 93 Sample uses process hollowing technique 15->93 95 Queues an APC in another process (thread injection) 15->95 18 explorer.exe 2 15->18 injected process10 dnsIp11 43 215oldtoby.com 67.20.76.184, 49861, 80 UNIFIEDLAYER-AS-1US United States 18->43 45 shops.myshopify.com 23.227.38.74, 49860, 80 CLOUDFLARENETUS Canada 18->45 47 9 other IPs or domains 18->47 71 System process connects to network (likely due to code injection or exploit) 18->71 73 Uses netsh to modify the Windows network and firewall settings 18->73 22 Tzddbyt.exe 13 18->22         started        26 Tzddbyt.exe 13 18->26         started        28 raserver.exe 18->28         started        30 5 other processes 18->30 signatures12 process13 dnsIp14 49 cdn.discordapp.com 22->49 75 Multi AV Scanner detection for dropped file 22->75 77 Detected unpacking (changes PE section rights) 22->77 79 Tries to detect virtualization through RDTSC time measurements 22->79 32 Tzddbyt.exe 22->32         started        51 162.159.135.233, 443, 49783 CLOUDFLARENETUS United States 26->51 53 cdn.discordapp.com 26->53 81 Injects a PE file into a foreign processes 26->81 35 Tzddbyt.exe 26->35         started        83 Modifies the context of a thread in another process (thread injection) 28->83 85 Maps a DLL or memory area into another process 28->85 signatures15 process16 signatures17 57 Modifies the context of a thread in another process (thread injection) 32->57 59 Maps a DLL or memory area into another process 32->59 61 Sample uses process hollowing technique 32->61
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/86efd34020073e8fcdb31a794973b6a63ebef864684e304edc98d435ffa75016/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-10-11 07:53:04 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q3x5gqbaa47i7tntdj4us45wuy7l56denbhdatw4tdkdl75hkala._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
21350c749a15b06efda33cae533086eab02ef83685d539556407633676de94bb
Formbook
2cf9a6fd4361184dbe79b2067472bdb6ac2907b89e78e213cf0eadd69ed10cd1
Formbook
5c175aad872d219fa23de0c83ea085fbdca8d76601167089b4e55ee66d520276
Formbook
700c8d2a1ebc0994ccd09f93acadb4806ed3554cdef24c8e9ef0b3801646bbde
Formbook
934615bde495d4cbbfd0178c6eea46804cb19a447db1a8781bb43c5986012cbb
Formbook
96a54086e0d1667ed27dacd61ce88129d2ae1236718babe4ee5b3054385cc215
Formbook
b8dc1db94b5752524bd51980516ac00c095ef291ca89d8096db6cb4b4dab91b6
Formbook
f76c77ec8ce93ed76e97e714bb04a010ec289f3a08c321e95ac09c4f4285b2c5
Formbook
f79690a1d55d2a07ff407ca6a7e74dfc8097d9c63d6fa59adc2e03c73d39290b
Formbook
ff577215d4aaa29ae63860167282ceeb0a703daadfdaef2155102500c269caa2
Formbook
+ 10'338 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:epns loader persistence rat
Link:
https://tria.ge/reports/211011-jqzdsagef8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.lnvietnam.online/epns/
Unpacked files
SH256 hash:
86efd34020073e8fcdb31a794973b6a63ebef864684e304edc98d435ffa75016
MD5 hash:
babec548d64d2d65430564a0c154af00
SHA1 hash:
f63c1df2e34448c05670f10a734b4b6e988ed2b6
Link:
https://www.unpac.me/results/32f22671-9080-4d0b-bb7a-0e82581e350a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/86efd3402007/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/86efd34020073e8fcdb31a794973b6a63ebef864684e304edc98d435ffa75016

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_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers

File information

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

Malspam

Formbook

Executable exe 86efd34020073e8fcdb31a794973b6a63ebef864684e304edc98d435ffa75016

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/196501/

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