MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd61990f39e2b9d6bf2edffab027d8e73187557fb8b798c52d891adeeb3044a6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd61990f39e2b9d6bf2edffab027d8e73187557fb8b798c52d891adeeb3044a6
SHA3-384 hash: d07a738415c72035677e4dd81e7d859dbc4d56ce31568a653b50e4db5b5aabbae0ff648823c60601b3321a78335cfec6
SHA1 hash: 2400449cf89b2712bba2b4043fe1a4f9c067470a
MD5 hash: bfe9ef9305a8fd9e550a183aab15ad0d
humanhash: missouri-burger-solar-happy
File name:SecuriteInfo.com.Win32.RATX-gen.21728.13493
Download: download sample
Signature Formbook
Create hunting rule
File size:968'704 bytes
First seen:2022-12-08 12:47:55 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 12288:K2+GFV5GPtdUAQviuw2lYfRXjLLnSkkFJx01gOVJec/BublviFnFGpY+ZmBjHUkt:L9VYl9QvS26fRbnYFb0VLSl9hZmBHG
TLSH T10A25BD10F2A94507D97509BC0E6C6181037A3DFA6A34D29E3C8DBDCEEBF2B134659A53
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 041b1b5e1e2e2618 (3 x Formbook, 3 x AgentTesla, 1 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/344355/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.21728.13493.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6391dd06f6e448d42df7a126/reports/41b473aa-9503-4e2a-8d68-6665a63d3339/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1baf7e45-7032-4667-b06c-77f5dee6a957
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130774
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 763497 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 47 www.2getheras1.com 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 3 other signatures 2->55 9 woRHiEGTre.exe 5 2->9         started        12 SecuriteInfo.com.Win32.RATX-gen.21728.13493.exe 7 2->12         started        signatures3 process4 file5 61 Multi AV Scanner detection for dropped file 9->61 15 woRHiEGTre.exe 9->15         started        18 schtasks.exe 1 9->18         started        39 C:\Users\user\AppData\...\woRHiEGTre.exe, PE32 12->39 dropped 41 C:\Users\...\woRHiEGTre.exe:Zone.Identifier, ASCII 12->41 dropped 43 C:\Users\user\AppData\Local\...\tmp60D7.tmp, XML 12->43 dropped 45 SecuriteInfo.com.W...21728.13493.exe.log, ASCII 12->45 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 12->63 65 Adds a directory exclusion to Windows Defender 12->65 20 powershell.exe 19 12->20         started        22 schtasks.exe 1 12->22         started        24 SecuriteInfo.com.Win32.RATX-gen.21728.13493.exe 12->24         started        26 3 other processes 12->26 signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 28 explorer.exe 15->28 injected 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        process9 process10 36 help.exe 28->36         started        signatures11 57 Modifies the context of a thread in another process (thread injection) 36->57 59 Maps a DLL or memory area into another process 36->59
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd61990f39e2b9d6bf2edffab027d8e73187557fb8b798c52d891adeeb3044a6/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-12-08 09:17:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zvqzsdzz4k45npzo375laj6y44yyovl7xc3zrrjnrenn52zqista._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/221208-p1slwada4x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cd99c72c-26a2-4458-88dd-eb8076bb8b8f
Unpacked files
SH256 hash:
a8b93191afad8df2dea874ddade7497a19d0002a19976f162b1b650552ab4a6c
MD5 hash:
c081c18bbc455fec0ca4c5dca176521f
SHA1 hash:
ea178d1eda8aa5be9b6fb7ff1a041aaa96c3aac0
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/09122599-b618-4669-8308-1be368df84eb/
Parent samples :
cd61990f39e2b9d6bf2edffab027d8e73187557fb8b798c52d891adeeb3044a6
2e2086c44eedee39ef9247840af6dc6845a2618de4c3fd0bd6b293da9890854a
SH256 hash:
35d77a701cc530e8cdfc5d697a3734f2c0394c471a7aba6ccb76c6be3d212c65
MD5 hash:
36500db8cf8a0bc0101d54587abe0ad2
SHA1 hash:
283c267702bb139dda16a38258e90840bc6d741e
Link:
https://www.unpac.me/results/09122599-b618-4669-8308-1be368df84eb/
SH256 hash:
a783e6acfa741b36c15a3583b6e8c96c21a4efd4abe1da4b02e72dfaeb83db8f
MD5 hash:
dfcf18d020387bfeda45f6a67a5c62de
SHA1 hash:
9670ef22bc5dd8addd4e9d7563727fbd58cbe93e
Link:
https://www.unpac.me/results/09122599-b618-4669-8308-1be368df84eb/
SH256 hash:
21cd7fcd65de82ec1b6a3942dddac95d573b036ed462066c61e0a36f19df45a6
MD5 hash:
bf473578023b999fae61dbef5e9fc99a
SHA1 hash:
7b9bcac2c31e054662086b09786a33ac2ec9370b
Link:
https://www.unpac.me/results/09122599-b618-4669-8308-1be368df84eb/
SH256 hash:
eaf6b2541ca1fc07c756188d9e3cfebd28ca43955de7c6050345e819ce016a33
MD5 hash:
202204a6cd4e7703e1f0dff97337ab35
SHA1 hash:
60c6d260ebaf255c60fcbf3c24d59f30dfb0a07e
Link:
https://www.unpac.me/results/09122599-b618-4669-8308-1be368df84eb/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/09122599-b618-4669-8308-1be368df84eb/
SH256 hash:
cd61990f39e2b9d6bf2edffab027d8e73187557fb8b798c52d891adeeb3044a6
MD5 hash:
bfe9ef9305a8fd9e550a183aab15ad0d
SHA1 hash:
2400449cf89b2712bba2b4043fe1a4f9c067470a
Link:
https://www.unpac.me/results/09122599-b618-4669-8308-1be368df84eb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd61990f39e2/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/cd61990f39e2b9d6bf2edffab027d8e73187557fb8b798c52d891adeeb3044a6

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/344355/

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