MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43fcd18e75e418438c53aad8fbb49bd1e9a98f5f59939bd520d4a435f9d354a1. 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 2 File information Comments 1
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SHA256 hash: 43fcd18e75e418438c53aad8fbb49bd1e9a98f5f59939bd520d4a435f9d354a1
SHA3-384 hash: c427e760627ddd2cddb37b09afa0cf87265809405bc42d5ddbef1c0c870e855890e4d8988358e38ac7780ec4fc5dd9ee
SHA1 hash: f6053d32d0eea0e5bd67fc15e10269a6519c01f4
MD5 hash: 9e0e51604bcf5e17ca62bd31cd035fa6
humanhash: colorado-oscar-berlin-robert
File name:9e0e51604bcf5e17ca62bd31cd035fa6
Download: download sample
Signature Formbook
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File size:206'709 bytes
First seen:2022-06-09 11:40:59 UTC
Last seen:2022-06-09 12:49:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dd1742eadfc6df18ded3c26ae64ad610 (31 x Formbook, 5 x RemcosRAT, 3 x AgentTesla)
ssdeep 6144:1bp2hcXn8gniFM4VomTLza32lHQnVxhxZo:ziunDsVoMyGlHyVfno
TLSH T1F514022671E1A9ABFBB586710930AB3FF2B7D10441B55D474B982F7F6E709C76A03280
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
G22-0419 VELOUR PO.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-09 11:20:29 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/c9073924-66cf-4cc0-861b-691538302de8

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/278258/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.7.16290.12552.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62a1dc598e867832d9eb3de6/reports/e7dc2f76-06b9-4788-8688-4906bd7a841d/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/27c81288-ab4b-4a0e-b8ae-1bcc78ea7cf1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1010387
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 submitted file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 642883 Sample: Ha08maVIhx Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 34 www.subvip60.site 2->34 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 4 other signatures 2->56 12 Ha08maVIhx.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\jldpxfiqo.exe, Unknown 12->32 dropped 15 jldpxfiqo.exe 12->15         started        process6 signatures7 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 70 Injects a PE file into a foreign processes 15->70 18 jldpxfiqo.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 18->21 injected process10 dnsIp11 36 www.thesulkies.com 134.73.220.108, 49768, 80 LAYER-HOSTUS United States 21->36 38 www.koredeiihibi.com 160.251.71.124, 49771, 80 INTERQGMOInternetIncJP Japan 21->38 40 5 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 25 svchost.exe 21->25         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43fcd18e75e418438c53aad8fbb49bd1e9a98f5f59939bd520d4a435f9d354a1/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-09 11:33:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ip6nddtv4qmehdctvlmpxne32hu2td27lgjzxvja2ssdl6otksqq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:zgtb loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220609-nte7jacac6/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
8cbea03965fdde4d4ba426022da096c08e0ec3a1a3a2e6f4e825c0bf7e72eb70
MD5 hash:
3037952749dc9635352d6f1184bf490e
SHA1 hash:
f83f327aeba3cfeb26f83c97c5ae4e64634443c5
Link:
https://www.unpac.me/results/16e9fe98-46a1-4e16-b557-6f2cb5205ac7/
SH256 hash:
43fcd18e75e418438c53aad8fbb49bd1e9a98f5f59939bd520d4a435f9d354a1
MD5 hash:
9e0e51604bcf5e17ca62bd31cd035fa6
SHA1 hash:
f6053d32d0eea0e5bd67fc15e10269a6519c01f4
Link:
https://www.unpac.me/results/16e9fe98-46a1-4e16-b557-6f2cb5205ac7/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43fcd18e75e4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/43fcd18e75e418438c53aad8fbb49bd1e9a98f5f59939bd520d4a435f9d354a1

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 43fcd18e75e418438c53aad8fbb49bd1e9a98f5f59939bd520d4a435f9d354a1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2231510/
Cape
Cape
https://www.capesandbox.com/analysis/278258/

Comments


Avatar
zbet commented on 2022-06-09 11:41:02 UTC

url : hxxp://103.167.91.26/gCloud/vbc.exe