MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21717cdfec5b3e14e7493537a9ca67045929faa591dc041350bc29070ca65681. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 21717cdfec5b3e14e7493537a9ca67045929faa591dc041350bc29070ca65681
SHA3-384 hash: f50b49d2a59c6d51a8632b38e687f7b9602a76a34ceeee9bca8474d22e7da475aa0633cddcc716c2af5b1b4ae6e4ae12
SHA1 hash: a8a25a8f95f61da2be4873057048613957871981
MD5 hash: bf324fc9cae4e3c4f9cbf75cff2e956b
humanhash: jupiter-paris-lake-salami
File name:SecuriteInfo.com.W32.AIDetectNet.01.14758.22586
Download: download sample
Signature Formbook
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File size:22'016 bytes
First seen:2022-08-26 05:31:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 384:NEoyfrPSWoh4LS8CPY1UFno8CE/6eaSry:WoyjPSTsiYyWVKvaSO
TLSH T131A2D60BD78D6A61C1AA863DD482D5E41AA0A792986DCF5EF034371264333F6EF1ED07
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9b1979616969612b (42 x RemcosRAT, 6 x AgentTesla, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.14758.22586
Verdict:
Malicious activity
Analysis date:
2022-08-26 05:31:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cac47912-6b52-466c-b538-0d2fb40ecf1f

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/301279/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.14758.22586.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63085ad4fba5fadd538120a2/reports/ac6d9ffd-8c3a-496a-b3a1-5871c439d6f5/overview
Result
Verdict:
UNKNOWN
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/f179fb1d-efb7-4a69-97c9-a40039caad76
Result
Threat name:
AsyncRAT, FormBook, PrivateLoader, Remco
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Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1058147
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected AsyncRAT
Yara detected FormBook
Yara detected Generic Downloader
Yara detected PrivateLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 690664 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 26/08/2022 Architecture: WINDOWS Score: 100 58 www.korsatis.xyz 2->58 60 www.theinstallman.com 2->60 62 2 other IPs or domains 2->62 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for URL or domain 2->78 80 13 other signatures 2->80 10 SecuriteInfo.com.W32.AIDetectNet.01.14758.exe 16 7 2->10         started        15 Nqstvtw.exe 2->15         started        17 Nqstvtw.exe 2->17         started        signatures3 process4 dnsIp5 70 transfer.sh 144.76.136.153, 443, 49717, 49735 HETZNER-ASDE Germany 10->70 52 C:\Users\user\AppData\Roaming\...52qstvtw.exe, PE32 10->52 dropped 54 C:\Users\user\...54qstvtw.exe:Zone.Identifier, ASCII 10->54 dropped 56 SecuriteInfo.com.W...et.01.14758.exe.log, ASCII 10->56 dropped 86 Encrypted powershell cmdline option found 10->86 19 aspnet_compiler.exe 2 18 10->19         started        24 powershell.exe 16 10->24         started        88 Multi AV Scanner detection for dropped file 15->88 90 Machine Learning detection for dropped file 15->90 26 powershell.exe 15->26         started        28 powershell.exe 17->28         started        file6 signatures7 process8 dnsIp9 64 obologs.work.gd 194.5.98.244, 4044, 49731, 49732 DANILENKODE Netherlands 19->64 66 geoplugin.net 178.237.33.50, 49734, 80 ATOM86-ASATOM86NL Netherlands 19->66 68 2 other IPs or domains 19->68 48 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 19->48 dropped 50 C:\Users\user\AppData\Local\...\Rtbwp[1].exe, PE32 19->50 dropped 82 Tries to steal Mail credentials (via file registry) 19->82 84 Maps a DLL or memory area into another process 19->84 30 dwn.exe 4 19->30         started        34 aspnet_compiler.exe 1 19->34         started        36 aspnet_compiler.exe 19->36         started        42 20 other processes 19->42 38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        file10 signatures11 process12 dnsIp13 72 transfer.sh 30->72 92 Machine Learning detection for dropped file 30->92 94 Encrypted powershell cmdline option found 30->94 44 powershell.exe 30->44         started        96 Tries to steal Instant Messenger accounts or passwords 34->96 98 Tries to steal Mail credentials (via file / registry access) 34->98 100 Tries to harvest and steal browser information (history, passwords, etc) 42->100 signatures14 process15 process16 46 conhost.exe 44->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21717cdfec5b3e14e7493537a9ca67045929faa591dc041350bc29070ca65681/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-08-26 03:13:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=efyxzx7mlm7bjz2jgu32tstharmst6vfshoaie2qxquqodfgk2aq._file
Verdict:
malicious
Label(s):
masslogger
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remcos
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Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat
Link:
https://tria.ge/reports/220826-f7pzwsgaal/
Behaviour
Modifies Internet Explorer settings
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
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
Unpacked files
SH256 hash:
21717cdfec5b3e14e7493537a9ca67045929faa591dc041350bc29070ca65681
MD5 hash:
bf324fc9cae4e3c4f9cbf75cff2e956b
SHA1 hash:
a8a25a8f95f61da2be4873057048613957871981
Link:
https://www.unpac.me/results/de1156f6-7558-4c49-9663-544c09e167f4/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21717cdfec5b/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/21717cdfec5b3e14e7493537a9ca67045929faa591dc041350bc29070ca65681

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/301279/

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