MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 548fb330ffeb62ab1fd674a557606885338344c8cc807e2a3f9c64e475bdf2c0. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 548fb330ffeb62ab1fd674a557606885338344c8cc807e2a3f9c64e475bdf2c0
SHA3-384 hash: 1feda93bc32168615a691d05298ba6d67b43265f2a1a7aef9c77d1e527b155c9cc0be9ef194ba3e195b2ef32a038c786
SHA1 hash: 29272873dde654da28cf1b1cba26e9614ca6ec8e
MD5 hash: b89438b8ad038b570457bc1bb4e80a73
humanhash: maryland-seven-ceiling-tango
File name:b89438b8ad038b570457bc1bb4e80a73
Download: download sample
Signature Formbook
Create hunting rule
File size:443'190 bytes
First seen:2022-12-13 15:59:25 UTC
Last seen:2022-12-13 17:35:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:ukwkDeTURwgORE8KxO8c1QWXa7RLvL/BAEhg2+6Ha/V:PD8owgORE8KxBWsRXaEhxa/V
TLSH T1D6944B26ED7C6429C914EA392891C3396ED1DE825E31660F21D87FCB3B37549BCE4287
TrID 92.7% (.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 71e8cccc8e96ccc8 (2 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.W97M.CVE201711882.SME.22942.13140
Verdict:
Malicious activity
Analysis date:
2022-12-13 14:30:46 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader trojan stealer
Link:
https://app.any.run/tasks/e8de0acd-ba8f-42ab-809b-bec595feff32

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/345877/
Detection(s):
SecuriteInfo.com.Variant.Jaik.77520.22348.24159.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6398a184a2c2485912c821ac/reports/9dd46bcb-2f2e-4e75-97f8-21d635c8a9f6/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:
Unknown
Link:
https://analyze.intezer.com/analyses/d4e0e8f7-2288-4342-aa95-d552cc108fa0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1133532
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
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
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 signatures2 2 Behavior Graph ID: 766256 Sample: tC1u5w56uR.exe Startdate: 13/12/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 3 other signatures 2->56 11 tC1u5w56uR.exe 19 2->11         started        process3 file4 32 C:\Users\user\AppData\Local\Temp\avhga.exe, PE32 11->32 dropped 14 avhga.exe 11->14         started        process5 signatures6 68 Antivirus detection for dropped file 14->68 70 Machine Learning detection for dropped file 14->70 72 Maps a DLL or memory area into another process 14->72 74 Tries to detect virtualization through RDTSC time measurements 14->74 17 avhga.exe 14->17         started        process7 signatures8 42 Modifies the context of a thread in another process (thread injection) 17->42 44 Maps a DLL or memory area into another process 17->44 46 Sample uses process hollowing technique 17->46 48 Queues an APC in another process (thread injection) 17->48 20 explorer.exe 17->20 injected process9 dnsIp10 34 www.12443.football 137.220.219.45, 80 BCPL-SGBGPNETGlobalASNSG Singapore 20->34 36 www.cpxlocatup.info 107.150.5.14, 49728, 80 ASN-QUADRANET-GLOBALUS United States 20->36 38 192.168.2.1 unknown unknown 20->38 58 System process connects to network (likely due to code injection or exploit) 20->58 24 explorer.exe 12 20->24         started        signatures11 process12 dnsIp13 40 www.12443.football 24->40 60 System process connects to network (likely due to code injection or exploit) 24->60 62 Modifies the context of a thread in another process (thread injection) 24->62 64 Maps a DLL or memory area into another process 24->64 66 Tries to detect virtualization through RDTSC time measurements 24->66 28 cmd.exe 1 24->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/548fb330ffeb62ab1fd674a557606885338344c8cc807e2a3f9c64e475bdf2c0/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-12-13 16:00:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ksh3gmh75nrkwh6wossvoydiquzygrgizsah4kr7trsoi5n56laa._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:lt63 rat spyware stealer trojan
Link:
https://tria.ge/reports/221213-tfm8wafa73/
Behaviour
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/041233e9-6bb5-4e60-908c-d645746f3579
Unpacked files
SH256 hash:
f85988a97318ca71790688312a923e4b10cd05790801c747b0f0bb9ebc0a6ee2
MD5 hash:
b1bbc7280df281e302e1c28cc2f26c17
SHA1 hash:
f71f9319c4759421f887af24f914f9193c927199
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/cf92219f-a9b9-48df-834d-85518d612440/
Parent samples :
44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1
66c5b65f8e75acbce3103b6527cc1c32fdb53467c9b22475f36b60b28ed85f26
f4a9a76e7a18ea2e2dcf234b006be09f9fdf1cbd4ac7d88bdf0dced5cb453374
7a0e92402659c86d9da6faf33be3817996718051ea564e34aa43a41606df7be6
548fb330ffeb62ab1fd674a557606885338344c8cc807e2a3f9c64e475bdf2c0
d38f58de7af51ac311b23e3f813e8c33599df3f5fe78661fd8b50b90b7805b22
68cb6a1efb7c442f063eee5ae3f96ae12a3d2fba0852f22aa7a761cf8b1ae31a
SH256 hash:
469179782ffa5092cdb3303cf1720114eb566140085e8030218632f427d99ad6
MD5 hash:
0be8769a9bcdd367a34278a7cbbc991b
SHA1 hash:
35c2a8b061f537098c46f1b17b502e62d4feeb97
Link:
https://www.unpac.me/results/cf92219f-a9b9-48df-834d-85518d612440/
SH256 hash:
548fb330ffeb62ab1fd674a557606885338344c8cc807e2a3f9c64e475bdf2c0
MD5 hash:
b89438b8ad038b570457bc1bb4e80a73
SHA1 hash:
29272873dde654da28cf1b1cba26e9614ca6ec8e
Link:
https://www.unpac.me/results/cf92219f-a9b9-48df-834d-85518d612440/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/548fb330ffeb/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/548fb330ffeb62ab1fd674a557606885338344c8cc807e2a3f9c64e475bdf2c0

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
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 548fb330ffeb62ab1fd674a557606885338344c8cc807e2a3f9c64e475bdf2c0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2455967/
Cape
Cape
https://www.capesandbox.com/analysis/345877/

Comments


Avatar
zbet commented on 2022-12-13 15:59:27 UTC

url : hxxp://103.30.183.173/macol.exe