MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46b08ac7a1a467f9d8053aaf6853500a32fd5c4b1acd747a9a83134f59115424. 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 2 File information Comments
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SHA256 hash: 46b08ac7a1a467f9d8053aaf6853500a32fd5c4b1acd747a9a83134f59115424
SHA3-384 hash: 2e59bf5bc5daab4519e9e5ce3f63d1049d6e3bf083a689fa7c763c7fac7d433b23301f686a04de0105feaccf4c8d717b
SHA1 hash: 1fbf7460b77d6335ca56f5dd0bf274049436ab62
MD5 hash: 2fd70987e440c0351b1ce6ba45568868
humanhash: cardinal-cold-alabama-louisiana
File name:vbc.exe
Download: download sample
Signature Formbook
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File size:980'480 bytes
First seen:2022-08-08 13:47:57 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 24576:Ki6ry6N+Io9b2VyRRptoX82u4nTDe9IbUDHDlC:KiN6NTMrRRy1ue7UI
TLSH T1C125AD17AFA07708E4F75BB8DD6B686183F63809617ED2792E905C9F2DFA300D50162B
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c6ccc84ec8cc8ad8 (10 x AgentTesla, 10 x Formbook, 7 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
342
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
725ebd756fc8f888055f4212a450a14efb552347fff5f983d118563bdd99fefd
Verdict:
Malicious activity
Analysis date:
2022-08-08 10:39:58 UTC
Tags:
opendir trojan exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/c7d52342-5dd1-47f5-aa53-b994ce396cb7

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/297150/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1429.4714.8055.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer.exe packed
Link:
https://www.filescan.io/uploads/62f11452f8218b6192cd8e38/reports/21b71c97-68bc-4dcc-b501-eb1ee4f18e89/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c7472962-9fb5-4983-821f-3bbc2bb925a2
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047936
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 680430 Sample: vbc.exe Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 35 www.reisdafavela.com 2->35 37 www.mpageorientalrugs.com 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 9 vbc.exe 7 2->9         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\svyewSjGVGtgt.exe, PE32 9->29 dropped 31 C:\Users\user\AppData\Local\...\tmp8F67.tmp, XML 9->31 dropped 33 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 9->33 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 9->47 49 Writes to foreign memory regions 9->49 51 Adds a directory exclusion to Windows Defender 9->51 53 Injects a PE file into a foreign processes 9->53 13 vbc.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 20 explorer.exe 3 13->20 injected 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process9 process10 26 WWAHost.exe 20->26         started        signatures11 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/46b08ac7a1a467f9d8053aaf6853500a32fd5c4b1acd747a9a83134f59115424/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-08 06:59:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i2yivr5burt7twafhkxwqu2qbizp2xcldlgxi6u2qmju6wirkqsa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220808-q34ycsbdfk/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Uses the VBS compiler for execution
Unpacked files
SH256 hash:
a9a6847c62ead73bdf50b68789aa9f11301063028cb283971a5409ea18e7e8b1
MD5 hash:
0549d1ba428e4a0dbcfc81d1fb3a2651
SHA1 hash:
b3b3ce460cdcc7123ae5df9cc61aa25af1e587c2
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/b38f2251-9354-4f6d-94df-590a0efed00a/
Parent samples :
46b08ac7a1a467f9d8053aaf6853500a32fd5c4b1acd747a9a83134f59115424
03d337aeee46c4be5a1fee0fbcaf18253ee2bc3fbd1c7d411151acd4ddaa0039
9e60ade334095111db6f8a9cc7b3e8e05cfa5c565b4caf48c9115d0d6f81dcd2
SH256 hash:
e418e6df5db0bf94f262914c1a914e035396c18238f729febfac97cad3e7e29a
MD5 hash:
84aa130eddf0c18c20852b5b530eb3b7
SHA1 hash:
dddf6e2216c943a7d01ee05e2cae7e2807071e33
Link:
https://www.unpac.me/results/b38f2251-9354-4f6d-94df-590a0efed00a/
SH256 hash:
de8a02cca7d6b793726ad38524fbc95ae896bf286c55ba676f0cb6707e61f250
MD5 hash:
39276bd0fb84a0b3315f33b9aa65e7f1
SHA1 hash:
c31c5fb6927e9c4e3f98afe3cab25ebf3fd0da6b
Link:
https://www.unpac.me/results/b38f2251-9354-4f6d-94df-590a0efed00a/
SH256 hash:
642d5b8aa52ca35d8386a5b4302aa503d330753426dd950e6c2a47efdbb4b7e2
MD5 hash:
2e85fdecd9837f0895ee6568f97b3cfd
SHA1 hash:
a4df92cf9adfa1c7d26f6d19923cbfa4cbfc596f
Link:
https://www.unpac.me/results/b38f2251-9354-4f6d-94df-590a0efed00a/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/b38f2251-9354-4f6d-94df-590a0efed00a/
SH256 hash:
46b08ac7a1a467f9d8053aaf6853500a32fd5c4b1acd747a9a83134f59115424
MD5 hash:
2fd70987e440c0351b1ce6ba45568868
SHA1 hash:
1fbf7460b77d6335ca56f5dd0bf274049436ab62
Link:
https://www.unpac.me/results/b38f2251-9354-4f6d-94df-590a0efed00a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/46b08ac7a1a4/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/46b08ac7a1a467f9d8053aaf6853500a32fd5c4b1acd747a9a83134f59115424

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/297150/

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