MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13. 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


Amadey


Vendor detections: 19


Intelligence 19 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13
SHA3-384 hash: 13315eb7462bb476a25aa9b5515c1a32973e3c56170295ca0f608f87166550061cb18a16deac024dc630a38addf48548
SHA1 hash: 21fd9f492b550168249793c5b93a0be586e96791
MD5 hash: 7a1cee6327c5acf66e2aebb0d7bc25bc
humanhash: saturn-cup-johnny-uncle
File name:7a1cee6327c5acf66e2aebb0d7bc25bc.exe
Download: download sample
Signature Amadey
Create hunting rule
File size:427'008 bytes
First seen:2024-09-30 07:49:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9c7c36eb46cc991a5074f8a811c4c46c (3 x Amadey, 1 x Spambot.Kelihos)
ssdeep 12288:MXyHTfxyxfLot/eoWBXkTLL/+gJuGumEaheXGE/t6:1zfxyxDCG70L7RZhe2h
Threatray 1'597 similar samples on MalwareBazaar
TLSH T10E946D207852C033C61192715E68FFB681DDB9655F7109DBBBD40F3BAE201E26A35E3A
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:Amadey exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
406
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
7a1cee6327c5acf66e2aebb0d7bc25bc.exe
Verdict:
Malicious activity
Analysis date:
2024-09-30 07:50:28 UTC
Tags:
amadey botnet stealer opendir stealc loader
Link:
https://app.any.run/tasks/3b3a38fd-153b-442f-a7ea-db66b43899b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Generic-10033391-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fac424c85f12c405da6e92
Tags:
Powershell Autorun Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a window
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Connection attempt to an infection source
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
amadey epmicrosoft_visual_cc microsoft_visual_cc
Link:
https://www.filescan.io/uploads/66fa582c718049dcaee4bbbf/reports/a448d4e4-7ad9-417c-8671-81e7ea2addfc/overview
Verdict:
Malicious
Labled as:
Doina.Generic
Link:
https://www.hybrid-analysis.com/sample/83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13
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:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/62cbb49e-6066-4e3b-bfde-778fea20816d
Result
Threat name:
Amadey, Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1522507
Signature
AI detected suspicious sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has a writeable .text section
Searches for specific processes (likely to inject)
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Yara detected Amadeys stealer DLL
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1522507 Sample: 4qIl08vrFY.exe Startdate: 30/09/2024 Architecture: WINDOWS Score: 100 77 Multi AV Scanner detection for domain / URL 2->77 79 Suricata IDS alerts for network traffic 2->79 81 Found malware configuration 2->81 83 14 other signatures 2->83 8 skotes.exe 1 22 2->8         started        12 4qIl08vrFY.exe 5 2->12         started        15 6b11689b40.exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 63 185.215.113.43, 49704, 49705, 49708 WHOLESALECONNECTIONSNL Portugal 8->63 65 185.215.113.103, 49706, 49709, 49715 WHOLESALECONNECTIONSNL Portugal 8->65 67 google.com 8->67 43 C:\Users\user\AppData\Local\Temp\...\num.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\num[1].exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->47 dropped 53 2 other malicious files 8->53 dropped 19 6b11689b40.exe 13 8->19         started        22 num.exe 13 8->22         started        25 powershell.exe 12 8->25         started        27 skotes.exe 8->27         started        49 C:\Users\user\AppData\Local\...\skotes.exe, PE32 12->49 dropped 51 C:\Users\user\...\skotes.exe:Zone.Identifier, ASCII 12->51 dropped 99 Contains functionality to inject code into remote processes 12->99 29 skotes.exe 12->29         started        101 Hides threads from debuggers 15->101 103 Tries to detect sandboxes / dynamic malware analysis system (registry check) 15->103 105 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 15->105 69 127.0.0.1 unknown unknown 17->69 file5 signatures6 process7 dnsIp8 85 Antivirus detection for dropped file 19->85 87 Multi AV Scanner detection for dropped file 19->87 89 Detected unpacking (changes PE section rights) 19->89 97 6 other signatures 19->97 61 185.215.113.37, 49707, 49711, 49742 WHOLESALECONNECTIONSNL Portugal 22->61 91 Machine Learning detection for dropped file 22->91 93 Found evasive API chain (may stop execution after checking locale) 22->93 95 Searches for specific processes (likely to inject) 22->95 31 chrome.exe 14 25->31         started        34 conhost.exe 25->34         started        signatures9 process10 dnsIp11 71 192.168.2.5, 137, 138, 443 unknown unknown 31->71 73 192.168.2.16 unknown unknown 31->73 75 2 other IPs or domains 31->75 36 chrome.exe 31->36         started        39 chrome.exe 31->39         started        41 chrome.exe 31->41         started        process12 dnsIp13 55 play.google.com 142.250.181.238, 443, 49762, 49763 GOOGLEUS United States 36->55 57 youtube.com 142.250.184.238, 443, 49725, 49758 GOOGLEUS United States 36->57 59 13 other IPs or domains 36->59
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-09-25 09:05:09 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qp26bd4azmulummx4btsdmc7ygqqddfx5kii6bkk5jvgsakodijq._file
Verdict:
malicious
Label(s):
amadey
Create hunting rule
stealc
Create hunting rule
Similar samples:
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Amadey
+ 1'587 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:9c9aa5 botnet:doma discovery evasion execution persistence stealer trojan
Link:
https://tria.ge/reports/240930-jn9fzatcpj/
Behaviour
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://185.215.113.43
http://185.215.113.37
Verdict:
Malicious
Tags:
botnet amadey stealer
YARA:
Amadey win_amadey_a9f4
Link:
https://app.threat.zone/submission/c3636054-7b80-43c3-9b07-9e9fe672fb0b
Unpacked files
SH256 hash:
83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13
MD5 hash:
7a1cee6327c5acf66e2aebb0d7bc25bc
SHA1 hash:
21fd9f492b550168249793c5b93a0be586e96791
Detections:
Amadey
Create hunting rule
win_amadey_auto
Create hunting rule
win_amadey
Create hunting rule
Link:
https://www.unpac.me/results/7d9c1d31-7a7b-40d3-8194-39559f3bb65d/
Parent samples :
3dbd82fe0ab3c3ed3ecabe41b6aee651928f0305b07b0285828fd878d84ee4a9
6e9637eeaf1ea43fc7850ad8ce3ac4bc2cfab054439680f3c5bf60e1153a3581
4a5c55ccde112d37cacac44e44b9dea894299902f10a9c6ca4505b145019fdd1
83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83f5e08f80cb/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/83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13

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:Amadey
Create hunting rule
Author:kevoreilly
Description:Amadey Payload
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_1f2e969c
Create hunting rule
Author:Elastic Security
Rule name:win_amadey_a9f4
Create hunting rule
Author:Johannes Bader
Description:matches unpacked Amadey samples
Rule name:win_amadey_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.amadey.

File information

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

Web download

Amadey

Executable exe 83f5e08f80cb28ba3197e06721b05fc1a1018cb7ea908f054aea6a69014e1a13

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3194531/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3201639/

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetSidSubAuthorityCount
ADVAPI32.dll::GetSidSubAuthority
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetSidIdentifierAuthority
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameA
ADVAPI32.dll::LookupAccountNameA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::freeaddrinfo
WS2_32.dll::getaddrinfo

Comments