MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f999fa0a43425869e768d6ca75c3e5a70dd34e475cdd20ee240076c6ed75749. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 3f999fa0a43425869e768d6ca75c3e5a70dd34e475cdd20ee240076c6ed75749
SHA3-384 hash: 293fbd0b56a93f228451cca69edb1cc58234b77c21ebca87dcf01d57a562e2f4cec74af80665be4c097545976483015c
SHA1 hash: 622978f85eafdd79be410d47551c0098bd924400
MD5 hash: 4568108633c246c348b7a6179f1eef10
humanhash: oxygen-music-bluebird-jupiter
File name:SecuriteInfo.com.Win32.DropperX-gen.276.10448
Download: download sample
Signature Formbook
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File size:6'144 bytes
First seen:2022-11-23 16:32:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 48:6LV5MbckIQXCIsN+nK/M1DIMAGd45hJpLOj4dd2xyiXii2qBHruul4dG7FWSfbNM:RckVaNd/KoGoJa4mhiNktGGFzNt
TLSH T10AC1B601A3DC8337DE624BB66C73534053BCF3859857DBADB9C4A21EEC163484612BB0
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
SecuriteInfo.com.Win32.DropperX-gen.276.10448
Verdict:
Malicious activity
Analysis date:
2022-11-23 16:34:06 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/fd24adf9-72cb-4430-9fe0-1b690de237e4

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/337737/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.276.10448.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637e4b4594f9bac087b326ed/reports/d0b5fd10-8e09-4c81-bcc0-0b47e5c48769/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/e1f0138b-5486-49e3-88e9-45897d4aab16
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1119901
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Encrypted powershell cmdline option found
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 752620 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 42 www.dpd-gasplumbingandheating.com 2->42 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 7 other signatures 2->62 11 SecuriteInfo.com.Win32.DropperX-gen.276.10448.exe 15 7 2->11         started        signatures3 process4 dnsIp5 44 abre.com.my 110.4.45.81, 443, 49707 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 11->44 36 C:\Users\user\AppData\Roaming\...\cloud.exe, PE32 11->36 dropped 38 C:\Users\user\...\cloud.exe:Zone.Identifier, ASCII 11->38 dropped 40 SecuriteInfo.com.W...n.276.10448.exe.log, ASCII 11->40 dropped 64 Creates an undocumented autostart registry key 11->64 66 Encrypted powershell cmdline option found 11->66 68 Writes to foreign memory regions 11->68 70 2 other signatures 11->70 16 MSBuild.exe 11->16         started        19 MSBuild.exe 11->19         started        21 powershell.exe 15 11->21         started        23 MSBuild.exe 11->23         started        file6 signatures7 process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 16->46 48 Maps a DLL or memory area into another process 16->48 50 Sample uses process hollowing technique 16->50 52 Queues an APC in another process (thread injection) 16->52 25 explorer.exe 16->25 injected 54 Tries to detect virtualization through RDTSC time measurements 19->54 27 conhost.exe 21->27         started        process10 process11 29 msiexec.exe 25->29         started        signatures12 72 Modifies the context of a thread in another process (thread injection) 29->72 74 Maps a DLL or memory area into another process 29->74 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f999fa0a43425869e768d6ca75c3e5a70dd34e475cdd20ee240076c6ed75749/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-23 15:05:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6mz7ifegqsynhtwrvwkoxb6ljyn2nheoxg5edxciadwy3wxk5eq._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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masslogger
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:fs44 rat spyware stealer trojan
Link:
https://tria.ge/reports/221123-t2h62sff93/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
3f999fa0a43425869e768d6ca75c3e5a70dd34e475cdd20ee240076c6ed75749
MD5 hash:
4568108633c246c348b7a6179f1eef10
SHA1 hash:
622978f85eafdd79be410d47551c0098bd924400
Link:
https://www.unpac.me/results/807b4209-9f0d-4e13-80d8-97df79af22a0/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f999fa0a434/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/3f999fa0a43425869e768d6ca75c3e5a70dd34e475cdd20ee240076c6ed75749

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/337737/

Comments