MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c. 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


Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c
SHA3-384 hash: 83a8020daded69f5a52a92fbe235817b204d9e071991286c862f82e07fa8e20fce8afa96c204cbec95cbd12525829ede
SHA1 hash: 8c5a12af857f431c6731a06772c6e50f3ae3d3aa
MD5 hash: 5905ed3e3b97a17f6a3351b5bf3f68a6
humanhash: vegan-solar-quebec-uncle
File name:file
Download: download sample
File size:50'649 bytes
First seen:2024-05-17 13:18:07 UTC
Last seen:2024-05-21 13:26:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dda1a1d1f8a1d13ae0297b47046b26e (64 x Formbook, 39 x GuLoader, 22 x RemcosRAT)
ssdeep 768:G+ffIpwqJcTwurw8LgzmvxquRea9OsIbW0kFBrtGE9iUGqutp5Tqlu+lnM2089gL:HIDmRrwOgaES0EmEwqutp5elvlM2Zgaa
TLSH T12433AE1067A0C077EBA35B310D7B776B8EFE952914B4660B07903A5D7E33682AE1F342
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Bitsight
Tags:exe


Avatar
Bitsight
url: https://vk.com/doc5294803_669673533?hash=pivxZoonXRXG6tLKtmdXhMslIkWvXXZz2zCGZZgPCZg&dl=xhJs1hvZx23dMc8wTxVU6iXnfVV7WDu2uazVBngPCtw&api=1&no_preview=1#evrei

Intelligence

File Origin
# of uploads :
3
# of downloads :
326
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c.exe
Verdict:
Malicious activity
Analysis date:
2024-05-17 13:20:42 UTC
Tags:
adware innosetup
Link:
https://app.any.run/tasks/c2dd606c-03c9-458c-9a83-6665863aabd3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.12556.3383.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands
Сreating synchronization primitives
Creating a process from a recently created file
Launching a process
Downloading the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6647594a636c5be33c7f49fa/reports/902e7266-7696-4d4c-a8b5-363fc4f9c2d3/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c
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:
Malicious
Link:
https://analyze.intezer.com/analyses/e8cbf6a1-860b-4550-9b2b-ba7005c44345
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
78 / 100
Link:
https://www.joesandbox.com/analysis/1443289
Signature
Antivirus detection for URL or domain
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: PowerShell DownloadFile
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Set custom UserAgent and download file via Powershell
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1443289 Sample: file.exe Startdate: 17/05/2024 Architecture: WINDOWS Score: 78 34 d22hce23hy1ej9.cloudfront.net 2->34 36 cdn-edge-node.com 2->36 38 2 other IPs or domains 2->38 48 Multi AV Scanner detection for domain / URL 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 5 other signatures 2->54 8 file.exe 26 2->8         started        signatures3 process4 dnsIp5 40 d2csnxzxwctx26.cloudfront.net 99.86.1.70, 443, 49701 AMAZON-02US United States 8->40 28 C:\Users\user\AppData\Local\Temp\...\abc.bat, DOS 8->28 dropped 30 C:\Users\user\AppData\Local\...\load[1].bat, DOS 8->30 dropped 32 C:\Users\user\AppData\Local\...\INetC.dll, PE32 8->32 dropped 12 cmd.exe 1 1 8->12         started        file6 process7 signatures8 56 Suspicious powershell command line found 12->56 58 Tries to download and execute files (via powershell) 12->58 15 powershell.exe 15 16 12->15         started        19 powershell.exe 16 12->19         started        22 powershell.exe 16 12->22         started        24 2 other processes 12->24 process9 dnsIp10 42 d22hce23hy1ej9.cloudfront.net 18.245.33.69, 443, 49702, 49703 AMAZON-02US United States 15->42 46 Powershell drops PE file 15->46 44 cdn-edge-node.com 172.67.165.254, 443, 49704 CLOUDFLARENETUS United States 19->44 26 C:\Users\user\AppData\Local\Temp\i0.exe, PE32 19->26 dropped file11 signatures12
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-05-17 12:14:59 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
14 of 37 (37.84%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xeamfrwkjvmys4mn5ptcjspve6jhzew6tkpmpvhptcpmz5chp4ga._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Link:
https://tria.ge/reports/240517-qkhbmsae95/
Behaviour
Kills process with taskkill
Modifies system certificate store
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Checks installed software on the system
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Malware Config
Dropper Extraction:
https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1000
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1000
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1000
Unpacked files
SH256 hash:
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
MD5 hash:
40d7eca32b2f4d29db98715dd45bfac5
SHA1 hash:
124df3f617f562e46095776454e1c0c7bb791cc7
Link:
https://www.unpac.me/results/d80f431f-305e-4ebf-b4bd-487e638aa303/
SH256 hash:
b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c
MD5 hash:
5905ed3e3b97a17f6a3351b5bf3f68a6
SHA1 hash:
8c5a12af857f431c6731a06772c6e50f3ae3d3aa
Link:
https://www.unpac.me/results/d80f431f-305e-4ebf-b4bd-487e638aa303/
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/b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c

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:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Executable exe b900c2c6ca4d5989718debe624c9f527927c92de9a9ec7d4ef989eccf4477f0c

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments