MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2413b677dc6d6a5c958ce9b8cfab7eab38151088dcbe5a1d3b0ea903a0fc5ef6. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
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SHA256 hash: 2413b677dc6d6a5c958ce9b8cfab7eab38151088dcbe5a1d3b0ea903a0fc5ef6
SHA3-384 hash: 86fbd1ab3baecf8a5568c2cf96a470b9e7102ec804a446a62d477ca53b1aacddec7c1a646a04224757d9d40df2fc43fe
SHA1 hash: 3bc6975eac4e9dbbf7395128227b01980787ee1b
MD5 hash: d0ded728298dbe50960b171495d3e5cd
humanhash: kilo-wolfram-mockingbird-johnny
File name:proforma fatura pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:811'520 bytes
First seen:2023-05-08 08:54:47 UTC
Last seen:2023-05-13 22:55:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 39ee9d8fb14f217c683f93ae1bfee6d9 (1 x Formbook, 1 x ModiLoader)
ssdeep 12288:vX44VFiwL9aDSm20iw+hm4m7YHDcbhT4EbLGHrn1XAjQzBTPD:vpzH9aDSm2A+hmD6c9T4EvGHr1QE9TP
Threatray 2'820 similar samples on MalwareBazaar
TLSH T123056C9FF2E39437E4712339895B576568157FA03918EC4AABDA3C8C5F3E2903819363
TrID 85.9% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.2% (.SCR) Windows screen saver (13097/50/3)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
0.9% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 34e0c4c0d4c6c0d4 (2 x ModiLoader, 1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
proforma fatura pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-08 08:56:30 UTC
Tags:
dbatloader
Link:
https://app.any.run/tasks/7860eb4c-4dd6-4fbd-8804-02bc3e446d18

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/387483/
Detection(s):
SecuriteInfo.com.FileRepMalware.31462.8376.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/83060/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger overlay packed
Link:
https://www.filescan.io/uploads/6458b8e736a9691aaede2b58/reports/f3f2784e-99e3-446a-b78a-617bd39a91c3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/2413b677dc6d6a5c958ce9b8cfab7eab38151088dcbe5a1d3b0ea903a0fc5ef6
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4b9c9c1-b7f3-47b4-8308-8bd8baeca048
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1228119
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
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 detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 861083 Sample: proforma_fatura_pdf.exe Startdate: 08/05/2023 Architecture: WINDOWS Score: 100 46 www.huslnfts.xyz 2->46 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus detection for URL or domain 2->92 94 7 other signatures 2->94 11 proforma_fatura_pdf.exe 1 3 2->11         started        signatures3 process4 dnsIp5 66 web.fe.1drv.com 11->66 68 ph-files.fe.1drv.com 11->68 70 2 other IPs or domains 11->70 42 C:\Users\Public\Libraries\Kzrnrofa.exe, PE32 11->42 dropped 44 C:\Users\...\Kzrnrofa.exe:Zone.Identifier, ASCII 11->44 dropped 118 Writes to foreign memory regions 11->118 120 Allocates memory in foreign processes 11->120 122 Creates a thread in another existing process (thread injection) 11->122 124 Injects a PE file into a foreign processes 11->124 16 colorcpl.exe 11->16         started        file6 signatures7 process8 signatures9 72 Modifies the context of a thread in another process (thread injection) 16->72 74 Maps a DLL or memory area into another process 16->74 76 Sample uses process hollowing technique 16->76 78 2 other signatures 16->78 19 explorer.exe 7 4 16->19 injected process10 dnsIp11 48 www.dental-implants-52958.com 185.53.179.90, 49709, 80 TEAMINTERNET-ASDE Germany 19->48 50 baschung.elementor.cloud 162.159.137.9, 49708, 80 CLOUDFLARENETUS United States 19->50 52 www.baschung.swiss 19->52 96 System process connects to network (likely due to code injection or exploit) 19->96 98 Uses ipconfig to lookup or modify the Windows network settings 19->98 23 Kzrnrofa.exe 19->23         started        27 Kzrnrofa.exe 19->27         started        29 help.exe 19->29         started        31 3 other processes 19->31 signatures12 process13 dnsIp14 54 web.fe.1drv.com 23->54 56 ph-files.fe.1drv.com 23->56 62 2 other IPs or domains 23->62 100 Multi AV Scanner detection for dropped file 23->100 102 Machine Learning detection for dropped file 23->102 104 Writes to foreign memory regions 23->104 33 logagent.exe 23->33         started        58 web.fe.1drv.com 27->58 60 ph-files.fe.1drv.com 27->60 64 2 other IPs or domains 27->64 106 Allocates memory in foreign processes 27->106 108 Creates a thread in another existing process (thread injection) 27->108 110 Injects a PE file into a foreign processes 27->110 36 SndVol.exe 27->36         started        112 Modifies the context of a thread in another process (thread injection) 29->112 114 Maps a DLL or memory area into another process 29->114 116 Tries to detect virtualization through RDTSC time measurements 29->116 38 cmd.exe 29->38         started        signatures15 process16 signatures17 80 Modifies the context of a thread in another process (thread injection) 33->80 82 Maps a DLL or memory area into another process 33->82 84 Sample uses process hollowing technique 33->84 86 Tries to detect virtualization through RDTSC time measurements 36->86 40 conhost.exe 38->40         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2413b677dc6d6a5c958ce9b8cfab7eab38151088dcbe5a1d3b0ea903a0fc5ef6/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-08 08:28:46 UTC
File Type:
PE (Exe)
Extracted files:
75
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eqj3m564nvvfzfmm5g4m7k36vm4bkeei3s7fuhj3b2uqhih4l33a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a82b5f2c6d3897569544939dfae30457d05924c8811f009d0cd1540319ea90c
Formbook
4a85949b7ffe19e22e4191b55b225cb3ac8b59246785144f585006b94e9ba574
Formbook
4b3d0ec18f7503bf5af786d1b7174606e4133d890dececa1b27337d7ffaea880
Formbook
60f76d9d307eedba98f865fb56e05df71a77a37940d89a00e68b8117d9c1382d
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c1b6263682ff4c894af9df16a4f6c63bcd49248f2a580b3a3c86012d44388437
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c5973940f1f529a71a4729cf5f4a0c7467d5b9b59bd27346c3d1a16309fc0060
Formbook
d279e3202c62da190c154aaa835cffce869db3b7811c382bd8b51cd339302589
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e6303d0730eaecd16e8a3becf77fce3d5da13155d2e27e102ecc2b700ad42814
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e6d16fced75e8265e62b73cf660a303c0e03f50cead978df78b0a05f51aa42dd
Formbook
+ 2'810 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:ges9 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/230508-kvfmxahg99/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Formbook payload
ModiLoader Second Stage
Formbook
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
c5bfdfd789d3991467578f664405389c118a250d57dd7b68a1e52a640f9e9932
MD5 hash:
47de9b9d9f8596d2dbdeab9048258629
SHA1 hash:
b334d42a35af813cd1acb1afb43b8c2a813ca840
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/c298d215-10a9-4c38-9534-71da2c42e687/
Parent samples :
2413b677dc6d6a5c958ce9b8cfab7eab38151088dcbe5a1d3b0ea903a0fc5ef6
f983cdcb52e6144ba8a87fb6f8904f39d3626be45c1725bdb89a2522525f3a9b
SH256 hash:
2413b677dc6d6a5c958ce9b8cfab7eab38151088dcbe5a1d3b0ea903a0fc5ef6
MD5 hash:
d0ded728298dbe50960b171495d3e5cd
SHA1 hash:
3bc6975eac4e9dbbf7395128227b01980787ee1b
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/c298d215-10a9-4c38-9534-71da2c42e687/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2413b677dc6d/report/overview.html
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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 2413b677dc6d6a5c958ce9b8cfab7eab38151088dcbe5a1d3b0ea903a0fc5ef6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/387483/

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