MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557. 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 1 File information Comments
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SHA256 hash: c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557
SHA3-384 hash: 387660b61510024df063988b94d181d98ffa01662d55eb7ebab07d78c6e17b4f11eeb11cca44ee6602e66450b04c9c24
SHA1 hash: 66e0f215028eae0bc43333f788a3f106a8fd5e4d
MD5 hash: 97702ccb395cb121a0a1c8bc10134fed
humanhash: florida-floor-bluebird-princess
File name:vNdEP98IkQMac.exe
Download: download sample
Signature Formbook
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File size:262'572 bytes
First seen:2023-07-19 16:38:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6e43+yUIvv2pnqe7IbB9K8rqWI8orPwyflf2tg:/YYxyJsJ7I93tuPNz
TLSH T19544121933E2C1EBE5420B714F75572BAFEAE82264E84B1F07506A94367A983CA1D353
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 96e8e0d4d4ccb2a4 (9 x Formbook, 6 x AveMariaRAT, 4 x AgentTesla)
Reporter V3n0mStrike
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
PO74847 Kirtinvest001.doc
Verdict:
Malicious activity
Analysis date:
2023-07-19 16:37:17 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader
Link:
https://app.any.run/tasks/eb96fc46-ebc3-4990-b6ce-8560eb34c306

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/425471/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.30022.26738.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64b811a787b3dbad8aad2ae3/reports/9391eda1-324d-4e62-92c4-c4d8ef6e4568/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557
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/e801fa39-9b96-4807-b3b5-7eacf415664e
Result
Threat name:
FormBook, NSISDropper
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1276127
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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
Snort IDS alert for network traffic
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 FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1276127 Sample: vNdEP98IkQMac.exe Startdate: 19/07/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 vNdEP98IkQMac.exe 18 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\xrcqqdsw.dll, PE32 10->28 dropped 54 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->54 56 Maps a DLL or memory area into another process 10->56 58 Tries to detect virtualization through RDTSC time measurements 10->58 14 vNdEP98IkQMac.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 30 www.buffet.biz 45.33.30.197, 49698, 80 LINODE-APLinodeLLCUS United States 17->30 32 www.us-sonofiteardrops.com 104.21.89.174, 49695, 80 CLOUDFLARENETUS United States 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2023-07-19 16:39:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
14 of 25 (56.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yy744othlzsbvkzjvsqs2tsu6fk7etceo3xd2e7otmq7w2rucvlq._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:c20s rat spyware stealer trojan
Link:
https://tria.ge/reports/230719-t5ye5sad51/
Behaviour
Gathers network information
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
3486e5e96f28ca3ee60b04ae2294e0d2ccb3a53cade6cc2529deb160798a5e25
MD5 hash:
41d061ae29c33260833de08c671f7cfc
SHA1 hash:
9ad4fb9d928099614db881acb5e8af17a670dd6e
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/6fd2112b-cc29-4609-91e4-11a57d74fcf3/
Parent samples :
75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8
c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557
SH256 hash:
74dca4914a73ce59303ca644d2476ec4768fe0db4ed027dd65ba4d8d36149e6f
MD5 hash:
362b1f74e073f5f5d3d31aea966b626b
SHA1 hash:
5a1e3ea0635191a9176bd0ea242b50307713f09e
Link:
https://www.unpac.me/results/6fd2112b-cc29-4609-91e4-11a57d74fcf3/
SH256 hash:
c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557
MD5 hash:
97702ccb395cb121a0a1c8bc10134fed
SHA1 hash:
66e0f215028eae0bc43333f788a3f106a8fd5e4d
Link:
https://www.unpac.me/results/6fd2112b-cc29-4609-91e4-11a57d74fcf3/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c63fce3a675e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557

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:shellcode
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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.

Web download

Formbook

Executable exe c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557

(this sample)

  
Link
http://www.abhgzr.ma/vNdEP98IkQMac.exe
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/425471/

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