MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 755c44b90198282d2494321b4cb18cab7e4426efd1b7f4a20f2a0793d68a2a1f. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 755c44b90198282d2494321b4cb18cab7e4426efd1b7f4a20f2a0793d68a2a1f
SHA3-384 hash: b88526e349ec11a3c0fd7b58d7e404102205f52c5eb368c82e9209c0f6951cbe8d956ba978baca8dd004db88fa72c540
SHA1 hash: 7407554011988292b3e3522e19edb5532f21ee4e
MD5 hash: b5678475c3c15fdafff2c5c8b49d5dc1
humanhash: fix-fifteen-seventeen-table
File name:SecuriteInfo.com.Win32.CrypterX-gen.22726.1920
Download: download sample
Signature Formbook
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File size:937'472 bytes
First seen:2022-11-29 12:48:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:B0dqU+0zR1NqFgVkN3kXsujtKtVrA8RssJk0cDe1Wa33JzysxUi59zDdzoa1cfN:KvFqgVAU8LrLq0vBhyLiTDdEPf
TLSH T1E115DF9023B6AF71F1686BF27412904827B63C6E98F1D12D9DDDB0DE2672B4049F1B27
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 000d0c0f1b1b3f8f (2 x AgentTesla, 1 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.22726.1920
Verdict:
Malicious activity
Analysis date:
2022-11-29 12:50:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d471dd2c-3473-4161-b88a-9e0c189d1077

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/339735/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.22726.1920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6385ffc109001aa64bb944e7/reports/eb911e2d-0844-4b52-894c-1fb8f55b4598/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/d94ded16-ab25-478d-953d-80040b5d7a13
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1123290
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 756014 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 29/11/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 5 other signatures 2->57 8 bVgCuQEDo.exe 5 2->8         started        11 SecuriteInfo.com.Win32.CrypterX-gen.22726.1920.exe 7 2->11         started        process3 file4 59 Multi AV Scanner detection for dropped file 8->59 61 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->61 63 Machine Learning detection for dropped file 8->63 14 bVgCuQEDo.exe 8->14         started        17 schtasks.exe 1 8->17         started        19 bVgCuQEDo.exe 8->19         started        21 bVgCuQEDo.exe 8->21         started        43 C:\Users\user\AppData\Roaming\bVgCuQEDo.exe, PE32 11->43 dropped 45 C:\Users\...\bVgCuQEDo.exe:Zone.Identifier, ASCII 11->45 dropped 47 C:\Users\user\AppData\Local\...\tmpA32E.tmp, XML 11->47 dropped 49 SecuriteInfo.com.W....22726.1920.exe.log, ASCII 11->49 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 11->65 67 Adds a directory exclusion to Windows Defender 11->67 69 Injects a PE file into a foreign processes 11->69 23 powershell.exe 19 11->23         started        25 powershell.exe 19 11->25         started        27 schtasks.exe 1 11->27         started        29 SecuriteInfo.com.Win32.CrypterX-gen.22726.1920.exe 11->29         started        signatures5 process6 signatures7 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Maps a DLL or memory area into another process 14->73 75 Sample uses process hollowing technique 14->75 77 Queues an APC in another process (thread injection) 14->77 31 explorer.exe 14->31 injected 33 conhost.exe 17->33         started        35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        process8 process9 41 chkdsk.exe 31->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/755c44b90198282d2494321b4cb18cab7e4426efd1b7f4a20f2a0793d68a2a1f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-11-29 11:50:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
49
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ovoejoibtauc2jeuginuzmmmvn7eijxp2g37jiqpfidzhvukfipq._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:k0ud evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/221129-p2cbaaaf27/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Formbook
Unpacked files
SH256 hash:
cedb749ae59699b1aa8fa684946618c573b7e180bfa990a2fd08cc16e6fe3499
MD5 hash:
df9da066cda185c216a021d274ec736e
SHA1 hash:
e4b831f0b490196573c4295f17c6630731d78b5c
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/643a0f55-1fcb-4c94-ae1f-3f3583d68dc7/
SH256 hash:
31e197b7ad3adaaa2ee67454e5a7400560cd5f3a666a30f28fc16a4108aebf5b
MD5 hash:
6aeecf100d8870ddde2674242c2d3211
SHA1 hash:
6816e660a06110e43a9508c569217f1529dbab73
Link:
https://www.unpac.me/results/643a0f55-1fcb-4c94-ae1f-3f3583d68dc7/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/643a0f55-1fcb-4c94-ae1f-3f3583d68dc7/
SH256 hash:
66672f7e0924353027e613e072f3144f166baafe2b1ae5163bb7e8eed922244b
MD5 hash:
e52e7ccfb530b6498b9217efbc14ae89
SHA1 hash:
be79e81ced711b2d41cce12b000eb5982513e201
Link:
https://www.unpac.me/results/643a0f55-1fcb-4c94-ae1f-3f3583d68dc7/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/643a0f55-1fcb-4c94-ae1f-3f3583d68dc7/
SH256 hash:
e77e2a646173d4937f6e93357e89cec16074d74e851ce70341a566c86f3a47cd
MD5 hash:
d22dbc47d894b03f0e2b97eaf8dbd35b
SHA1 hash:
070f69251ced47d2640b56012d6380fee2868069
Link:
https://www.unpac.me/results/643a0f55-1fcb-4c94-ae1f-3f3583d68dc7/
SH256 hash:
755c44b90198282d2494321b4cb18cab7e4426efd1b7f4a20f2a0793d68a2a1f
MD5 hash:
b5678475c3c15fdafff2c5c8b49d5dc1
SHA1 hash:
7407554011988292b3e3522e19edb5532f21ee4e
Link:
https://www.unpac.me/results/643a0f55-1fcb-4c94-ae1f-3f3583d68dc7/
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/755c44b90198282d2494321b4cb18cab7e4426efd1b7f4a20f2a0793d68a2a1f

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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/339735/

Comments