MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9b964c2d111bf987b4b5c0bc43cb9753de50869f83059aaf96bab9082094aef. 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 2 File information Comments

SHA256 hash: d9b964c2d111bf987b4b5c0bc43cb9753de50869f83059aaf96bab9082094aef
SHA3-384 hash: c8a71780f5e702fb330184ac8b9b5715a331867f6a0873be60f8a6f0d5f1fed3f7837def0a4c538b23165145c93a40ed
SHA1 hash: 3b4486cd42ac13845a9f97a382b9c21959a7a233
MD5 hash: ee36d520edcf6ce402f699c846d463ff
humanhash: carolina-georgia-mango-may
File name:COMFIRM BANK DETAILS.exe
Download: download sample
Signature Formbook
File size:663'040 bytes
First seen:2022-06-14 08:17:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Zl3+L2rr7dpfhbmLLKWct+1xIue7u9MFN5MIm0E6/qIs7da+ukTTrvAIAwDRwdEX:ZPb5MTn0ykjkTfvtA/E02Bn
TLSH T159E49E41F288DC9AE0071BF648BFD920126A7F5D9075C60E265BBA1A59F335210AFF4F
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 82a2889ca29a9e86 (4 x Formbook, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
COMFIRM BANK DETAILS.exe
Verdict:
Malicious activity
Analysis date:
2022-06-15 00:29:27 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed shell32.dll
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 645179 Sample: COMFIRM BANK DETAILS.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 10 other signatures 2->49 10 COMFIRM BANK DETAILS.exe 7 2->10         started        process3 file4 37 C:\Users\user\AppData\Roaming\KrtyksjK.exe, PE32 10->37 dropped 39 C:\Users\user\AppData\Local\...\tmp47AD.tmp, XML 10->39 dropped 41 C:\Users\...\COMFIRM BANK DETAILS.exe.log, ASCII 10->41 dropped 53 Adds a directory exclusion to Windows Defender 10->53 55 Injects a PE file into a foreign processes 10->55 14 COMFIRM BANK DETAILS.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Sample uses process hollowing technique 14->67 69 Queues an APC in another process (thread injection) 14->69 21 explorer.exe 14->21 injected 24 conhost.exe 17->24         started        26 conhost.exe 19->26         started        process8 signatures9 51 Uses netsh to modify the Windows network and firewall settings 21->51 28 netsh.exe 21->28         started        31 autoconv.exe 21->31         started        process10 signatures11 57 Modifies the context of a thread in another process (thread injection) 28->57 59 Maps a DLL or memory area into another process 28->59 61 Tries to detect virtualization through RDTSC time measurements 28->61 33 cmd.exe 1 28->33         started        process12 process13 35 conhost.exe 33->35         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-06-14 06:02:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
23 of 26 (88.46%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:pf28 rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a6858f24916bc4548427cb011b206c3fdd474c64bc649ba1cc89f94a352fa0cb
MD5 hash:
3b22d8a6c96cf43d487b0c6ce0adcbe6
SHA1 hash:
c27054618a10154f58aa25d33f33d28fb57db6b9
SH256 hash:
ab7246bd9af9362d372da83ef7e8ec20d0ee522f10fd1bf31d80b2a7b2af46d0
MD5 hash:
d6312dd5b1fbef4ca9fc5fc0c578b8a6
SHA1 hash:
aeacc1d980555f7a044abcc1e7facc487b609315
SH256 hash:
2fe9852668ae6b7715a5c6f8764744f9cb2ef3163adf0f360728f628d42ce916
MD5 hash:
26bfda201145c515616dbb9243785084
SHA1 hash:
4133e7329a79766bbe670a398fdfb442eb70487d
SH256 hash:
d9b964c2d111bf987b4b5c0bc43cb9753de50869f83059aaf96bab9082094aef
MD5 hash:
ee36d520edcf6ce402f699c846d463ff
SHA1 hash:
3b4486cd42ac13845a9f97a382b9c21959a7a233
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: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.

Comments