MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e
SHA3-384 hash: 0d4276beae523c48d115d7b6942bbcf9c10135d72d06235961b11f858a812302c9b0335640c2162a1a0930006532f829
SHA1 hash: c119e2535b00e225f2ab7073e00b4d615961c566
MD5 hash: ba681e3205ca33d5ae84056fe7bb1da3
humanhash: freddie-red-charlie-ink
File name:file.exe
Download: download sample
Signature Formbook
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File size:647'680 bytes
First seen:2023-11-03 08:00:33 UTC
Last seen:2023-11-03 09:20:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:zpdPHIkTZ1n1GBmVImEOiSl5NehScU7Kuk631jr1beVMaq6Y0OaIt5oVOxzI:zfPHIkT71uYvEOl5ITU7xk6
TLSH T185D4CF9D766071EFC85BC976DAA82CA0EA60747B430FD253902311ED9A4DA97CF241F3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a86de4d496d469 (11 x Formbook, 6 x AgentTesla, 1 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457998/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6544a8ce72356e4f29eb29aa/reports/04b4be33-0271-4fa6-95d3-30af88c2fd76/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0241f302-f0bd-4705-a403-e817a60aae4c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1336566
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1336566 Sample: file.exe Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 30 www.nogizakafan-girls.com 2->30 32 www.ngsbahis565.com 2->32 34 3 other IPs or domains 2->34 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 9 other signatures 2->46 11 file.exe 3 2->11         started        signatures3 process4 signatures5 58 Detected unpacking (changes PE section rights) 11->58 60 Detected unpacking (overwrites its own PE header) 11->60 62 Tries to detect virtualization through RDTSC time measurements 11->62 64 Injects a PE file into a foreign processes 11->64 14 file.exe 11->14         started        17 file.exe 11->17         started        process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 19 explorer.exe 12 7 14->19 injected process8 dnsIp9 36 mimundocrochet.com 195.35.38.63, 80 MTSRU Germany 19->36 38 www.k7w3a.top 103.127.124.208, 80 MOACKCOLTD-AS-APMOACKCoLTDKR Korea Republic of 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 50 Uses netstat to query active network connections and open ports 19->50 23 NETSTAT.EXE 12 19->23         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e/
Threat name:
Win32.Trojan.Generic
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Status:
Malicious
First seen:
2023-11-03 08:01:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
12 of 38 (31.58%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=znt7xww5lnjrotqrpquwvtymdmlwjjod6velapjo3hkkw5nkprha._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:u29r rat spyware stealer trojan
Link:
https://tria.ge/reports/231103-jwj62sgc59/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
34654347d18a7a430e82992c29ea5c3fdc6dc5833f64ca5107ff69098a22e6d5
MD5 hash:
d1979ca5989a361d628f499729fcb662
SHA1 hash:
775aedea34148b5cfe6234e088130d60092ece18
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/f19c95a7-819d-4231-b2bf-530be4ff9aa0/
Parent samples :
cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e
aa478f6a9990a1e1a1921cd5a609e66a7474cf945607a6840cecaa74d93ce820
54f104ddeef486eb81affdbdc74648b1e10605fdcb415fb3749970f55a09c10d
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/f19c95a7-819d-4231-b2bf-530be4ff9aa0/
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
Link:
https://www.unpac.me/results/f19c95a7-819d-4231-b2bf-530be4ff9aa0/
SH256 hash:
2ed2789485f8538bbeaded1c2b0f75ffc67000d5dba7f33f5de03d80a3edc3e8
MD5 hash:
ec0f2bdbd6f37c9de6a874f68ca4bfc2
SHA1 hash:
2db4dbe537c36eebfcd18b5d8ac0ff7f470d8a68
Link:
https://www.unpac.me/results/f19c95a7-819d-4231-b2bf-530be4ff9aa0/
SH256 hash:
cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e
MD5 hash:
ba681e3205ca33d5ae84056fe7bb1da3
SHA1 hash:
c119e2535b00e225f2ab7073e00b4d615961c566
Link:
https://www.unpac.me/results/f19c95a7-819d-4231-b2bf-530be4ff9aa0/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb67fbdadd5b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e

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:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/457998/

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