MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78435f2945c300d729e1a4648ef3e750dac4ad3d26fa9e7f05998ec78a698969. 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 8 File information Comments
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SHA256 hash: 78435f2945c300d729e1a4648ef3e750dac4ad3d26fa9e7f05998ec78a698969
SHA3-384 hash: 33e06d84fe1a38a528c63c365aa273b552d32133da8f0011bee377e6c4974a01fbac61c55a590d977c7eb25e35fff202
SHA1 hash: 7c80c8f53c2fd90e68bd8b6955625d36532ca0b1
MD5 hash: 8e80f32de9774e819b6b3b566d85cf8e
humanhash: burger-seven-princess-summer
File name:BVCDFD.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:250'432 bytes
First seen:2022-08-22 10:34:50 UTC
Last seen:2022-08-22 10:35:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:yH6AG/HYqM1scaw8Th0sqUKcPnNfhh/FjG0mLhdFO7:yH67ZcAThiUKcV3/F9wnO7
TLSH T1453412433A94B580CA139B30866FCE121BB96DE7B4B5C51C35DABB5E94733F5721808B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter madjack_red
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
BVCDFD.exe
Verdict:
Malicious activity
Analysis date:
2022-08-22 10:36:00 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e2bc69b4-8851-4dc3-8e39-92735e46c304

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/300194/
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.345.15090.6340.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Sending a custom TCP request
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/63035c1413d4422dbbb8d2fa/reports/b17aa47b-f646-45c3-a918-9f046cd23ece/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ce37f561-c5c2-4c06-a2b3-22b338686e32
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1055450
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Performs DNS queries to domains with low reputation
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 687967 Sample: BVCDFD.exe Startdate: 22/08/2022 Architecture: WINDOWS Score: 100 31 www.motorcitypizzandeli.com 2->31 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 4 other signatures 2->45 9 BVCDFD.exe 1 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\BVCDFD.exe.log, ASCII 9->23 dropped 55 Writes to foreign memory regions 9->55 57 Allocates memory in foreign processes 9->57 59 Injects a PE file into a foreign processes 9->59 61 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->61 13 cvtres.exe 9->13         started        signatures6 process7 signatures8 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 Sample uses process hollowing technique 13->67 69 Queues an APC in another process (thread injection) 13->69 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.lsautomotive.co.uk 217.160.0.100, 49707, 80 ONEANDONE-ASBrauerstrasse48DE Germany 16->25 27 eatingdisorderstest.site 64.190.62.22, 49703, 80 NBS11696US United States 16->27 29 11 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 35 Performs DNS queries to domains with low reputation 16->35 37 Uses netstat to query active network connections and open ports 16->37 20 NETSTAT.EXE 13 16->20         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 20->49 51 Modifies the context of a thread in another process (thread injection) 20->51 53 Maps a DLL or memory area into another process 20->53
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/78435f2945c300d729e1a4648ef3e750dac4ad3d26fa9e7f05998ec78a698969/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-22 01:56:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pbbv6kkfymanokpbursi547hkdnmjlj5e35j47yftghmpctjrfuq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220822-mmn1eseegj/
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
Suspicious use of SetThreadContext
Blocklisted process makes network request
Unpacked files
SH256 hash:
3d2618453994863dfb46e5f94c6c58aed6caa6b0817757df7b7336d924d5fc1a
MD5 hash:
679a8e402b506a4b35c3eda11cae9d3e
SHA1 hash:
4da07fc895b4e32298d32c7514ad2ee5412797f5
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0b05f834-5448-465f-aadc-e44d38b87d04/
Parent samples :
78435f2945c300d729e1a4648ef3e750dac4ad3d26fa9e7f05998ec78a698969
d015b72e6a79afa9891854efd51cb2603c191956a347e81c58a36aa8add08bca
4dedd48971ab795ed071cb84b38f894f1844c5f2f05ec08b3fd693b7d906bf20
a7138f9f3ae6acefe470ffa5f2c209b6b64b340b4549ab255f163de20c6e8ea7
19255e5c288e089f6d5832588e3350a6f432938a8911b4f07f1d82b345c006a3
SH256 hash:
2a9f1466033a05cfbabc6be8b94269b62f5d9723d1b4d1f71eccea39221c85c6
MD5 hash:
e378179913a2b8a5ffab15ac1505188b
SHA1 hash:
8f7c754863118f06bc23b48813b478f5f8df4c45
Link:
https://www.unpac.me/results/0b05f834-5448-465f-aadc-e44d38b87d04/
SH256 hash:
78435f2945c300d729e1a4648ef3e750dac4ad3d26fa9e7f05998ec78a698969
MD5 hash:
8e80f32de9774e819b6b3b566d85cf8e
SHA1 hash:
7c80c8f53c2fd90e68bd8b6955625d36532ca0b1
Link:
https://www.unpac.me/results/0b05f834-5448-465f-aadc-e44d38b87d04/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/78435f2945c3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/78435f2945c300d729e1a4648ef3e750dac4ad3d26fa9e7f05998ec78a698969

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_KB_CERT_1f3216f428f850be2c66caa056f6d821
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Cape
Cape
https://www.capesandbox.com/analysis/300194/

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