MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
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SHA256 hash: 97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b
SHA3-384 hash: d14c3f99af9026f7498d26bfc6ea1824d737dea1d4d447d7043b560adcce6616406ca08a1a81735ca44ab572a6dceb7a
SHA1 hash: 9732d04319da88014afa03111471cb28a6500753
MD5 hash: db788425b989962ede936d705b6f9f41
humanhash: blossom-california-queen-blossom
File name:db788425b989962ede936d705b6f9f41.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:533'504 bytes
First seen:2022-06-20 14:09:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:nHpg72iNi++kEcHjOrWGF7fOlOFsjM177HaLSc69CSSS:c1j+XOqauYslR9CdS
TLSH T1DAB401007A388762E9388BFCC4D36280A3FC7432915AF3A98FD971DF5D677428A50667
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/281649/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b080033c1286f07352acc4/reports/9303b56b-52e8-474c-a473-5bcf5167c55e/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/93a32a95-5101-4b97-9e67-3ab805dbf468
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016380
Signature
Allocates memory in foreign processes
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 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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648876 Sample: pLTATvn1vd.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 31 www.hbqygl.com 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 5 other signatures 2->39 11 pLTATvn1vd.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\pLTATvn1vd.exe.log, ASCII 11->29 dropped 47 Writes to foreign memory regions 11->47 49 Allocates memory in foreign processes 11->49 51 Injects a PE file into a foreign processes 11->51 15 vbc.exe 11->15         started        18 vbc.exe 11->18         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 20 explorer.exe 15->20 injected 61 Tries to detect virtualization through RDTSC time measurements 18->61 process9 process10 22 wlanext.exe 20->22         started        signatures11 41 Modifies the context of a thread in another process (thread injection) 22->41 43 Maps a DLL or memory area into another process 22->43 45 Tries to detect virtualization through RDTSC time measurements 22->45 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-20 12:59:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=s5cv5icrqwfgldcgx6vyjbjs6pvnjetamiosgjwyfpfau7vg24vq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:p63n rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220620-rgn6fsgaa5/
Behaviour
Enumerates system info in registry
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
Uses the VBS compiler for execution
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a92be2fb1c5ac64805e26f267bc2d4290634f742a8737f510ce47905109ceac9
MD5 hash:
6acffe97f6033de7c2d29886966ff129
SHA1 hash:
a07d70ca61e7d17d463b940af6a4eaad8e320022
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f5e88887-5274-4e94-9154-8d10d7a075e9/
Parent samples :
9a6cce3879d0a6097959ba0bdb3d0b05c5b5e625d7c5624a35ddaed455d5af64
ffdb15bbf45a762c112e2e4a642ca9415e9e9b3a7e04319e69242792e27f6ce7
0bf82ae7d8ed992fd02d696ac9e330f2b4a5f6eb082f29e2a99ceeff831eaa4b
97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b
40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2
6e294639b9e9dec345a4b9bdeb29bd5695ea2d84e0fa88633ece9e7e88ad2bb4
8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3
31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306
5c60ec93028885f6319a52ad6ae0d4eaa08cec6a82cf8c7c62d7a060341a77a8
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
Link:
https://www.unpac.me/results/f5e88887-5274-4e94-9154-8d10d7a075e9/
SH256 hash:
0a6ede28eeeb05040acd49c45cfd4f6fd3b24b5e03afb1189837bbd60acc5f24
MD5 hash:
6b2d5eeb868c6ca5109c716e0f2e86d8
SHA1 hash:
84e6c038ec79c6f4e55daea93f7119f965b97370
Link:
https://www.unpac.me/results/f5e88887-5274-4e94-9154-8d10d7a075e9/
SH256 hash:
64de4e5bb05f6840d475efa000e96bd92487636be1f01b5a1b5675f67b2c5001
MD5 hash:
22302040e28151ef9bd1c08e1097a968
SHA1 hash:
338c1162dd2142d4365e294d4019937ffb7de7fe
Link:
https://www.unpac.me/results/f5e88887-5274-4e94-9154-8d10d7a075e9/
SH256 hash:
97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b
MD5 hash:
db788425b989962ede936d705b6f9f41
SHA1 hash:
9732d04319da88014afa03111471cb28a6500753
Link:
https://www.unpac.me/results/f5e88887-5274-4e94-9154-8d10d7a075e9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/97455ea05185/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:meth_get_eip
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

File information

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

Web download

Formbook

Executable exe 97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2245673/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/281649/

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