MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8599d84ab1c29d1cf83b52aac9d8aa73034cb74714bf34050c304fb64807d187. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8599d84ab1c29d1cf83b52aac9d8aa73034cb74714bf34050c304fb64807d187
SHA3-384 hash: e7f46cb94baf987feb2af688d5999de51c84732b2c70119f552a91d047d7ef52682ea2687a7ec7a623c5c26c784d0ca2
SHA1 hash: 78f3d5588a75efbe6a272c1f1a789d20e0ccd0c3
MD5 hash: 5a07502eb5e854aa8bd883453fc9decb
humanhash: london-whiskey-charlie-tennis
File name:bof.exe
Download: download sample
Signature Amadey
Create hunting rule
File size:3'081'878 bytes
First seen:2024-08-23 07:12:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3a1356930a9430c31e11dd7450136d1c (1 x Amadey, 1 x RedLineStealer)
ssdeep 49152:jym/LLwyhKNmH0izKmNRdh2q/l0hudUphcnO0qDtxHY8n:jn/qNmH0izKmNRdh2q/cCO0qDtxHY8n
TLSH T181E5E74369DB0DE5DED677B4A1C36339A734FD71CA291F2BAA08C23169536C4AD1EB00
TrID 36.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
23.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.0% (.EXE) Win32 Executable (generic) (4504/4/1)
4.6% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter kenshi
Tags:Amadey exe Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
708
Origin country :
HR HR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bof.exe
Verdict:
Malicious activity
Analysis date:
2024-08-23 07:14:38 UTC
Tags:
loader ransomware stealer metastealer
Link:
https://app.any.run/tasks/1be4bd11-aad3-44ea-a30d-56f25700fd53

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c83681e7ff3f5a063bcb91
Tags:
Encryption Generic Infostealer Network Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Sending an HTTP GET request to an infection source
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Connection attempt to an infection source
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug overlay
Link:
https://www.filescan.io/uploads/66c8368306cd69fa60b9b606/reports/f750a904-2e22-4e6a-b140-f027cd19a163/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/8599d84ab1c29d1cf83b52aac9d8aa73034cb74714bf34050c304fb64807d187
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/6c2227fa-eb38-4eb5-9313-3a1d3f885042
Result
Threat name:
LockBit ransomware, PureLog Stealer, Red
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1497909
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for URL or domain
Changes the wallpaper picture
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found potential ransomware demand text
Found ransom note / readme
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Overwrites Mozilla Firefox settings
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)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LockBit ransomware
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1497909 Sample: bof.exe Startdate: 23/08/2024 Architecture: WINDOWS Score: 100 52 www.kenesrakishevinfo.com 2->52 54 i.ibb.co 2->54 56 ext-sq.squarespace.com 2->56 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 12 other signatures 2->78 11 bof.exe 17 2->11         started        signatures3 process4 dnsIp5 58 185.215.113.101, 49700, 80 WHOLESALECONNECTIONSNL Portugal 11->58 60 ext-sq.squarespace.com 198.185.159.144, 443, 49699 SQUARESPACEUS United States 11->60 48 C:\Users\user\Desktop\installer.exe, PE32 11->48 dropped 50 C:\Users\user\AppData\Local\...\s5[1].exe, PE32 11->50 dropped 15 installer.exe 15 3 11->15         started        19 conhost.exe 11->19         started        file6 process7 dnsIp8 62 i.ibb.co 162.19.58.157, 443, 49701, 49716 CENTURYLINK-US-LEGACY-QWESTUS United States 15->62 64 Multi AV Scanner detection for dropped file 15->64 66 Writes to foreign memory regions 15->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->68 70 Injects a PE file into a foreign processes 15->70 21 AddInProcess32.exe 27 1001 15->21         started        25 AddInProcess32.exe 14 3 15->25         started        signatures9 process10 file11 40 4cb4db2a-ee68-4128...bdc710c24.axOkKRj8m, DOS 21->40 dropped 42 C:\Users\...\addressbook.acrodata.axOkKRj8m, COM 21->42 dropped 44 {6D809377-6AF0-444...rdpad_exe.axOkKRj8m, COM 21->44 dropped 46 199 other malicious files 21->46 dropped 80 Found potential ransomware demand text 21->80 82 Overwrites Mozilla Firefox settings 21->82 84 Tries to harvest and steal browser information (history, passwords, etc) 21->84 92 2 other signatures 21->92 27 F216.tmp 21->27         started        30 splwow64.exe 21->30         started        86 Contains functionality to detect hardware virtualization (CPUID execution measurement) 25->86 88 Writes to foreign memory regions 25->88 90 Writes many files with high entropy 25->90 94 2 other signatures 25->94 32 InstallUtil.exe 25->32         started        signatures12 process13 signatures14 96 Contains functionality to detect hardware virtualization (CPUID execution measurement) 27->96 98 Hides threads from debuggers 27->98 100 Deletes itself after installation 27->100 34 cmd.exe 27->34         started        102 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 32->102 36 conhost.exe 32->36         started        process15 process16 38 conhost.exe 34->38         started       
Score:
61%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/8599d84ab1c29d1cf83b52aac9d8aa73034cb74714bf34050c304fb64807d187
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8599d84ab1c29d1cf83b52aac9d8aa73034cb74714bf34050c304fb64807d187/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-08-23 05:31:20 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qwm5qsvrykorz6b3kkvmtwfkombuzn2hcs7tibimgbh3msah2gdq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access defense_evasion discovery ransomware spyware stealer
Link:
https://tria.ge/reports/240823-h13zaatdjq/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Drops desktop.ini file(s)
Indicator Removal: File Deletion
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Renames multiple (606) files with added filename extension
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/33fc4c91-0596-495b-bb12-8db660cedd98
Unpacked files
SH256 hash:
8599d84ab1c29d1cf83b52aac9d8aa73034cb74714bf34050c304fb64807d187
MD5 hash:
5a07502eb5e854aa8bd883453fc9decb
SHA1 hash:
78f3d5588a75efbe6a272c1f1a789d20e0ccd0c3
Link:
https://www.unpac.me/results/e75250d2-3b30-43d7-939e-c65db74921da/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8599d84ab1c2/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/8599d84ab1c29d1cf83b52aac9d8aa73034cb74714bf34050c304fb64807d187

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Amadey

Executable exe 8599d84ab1c29d1cf83b52aac9d8aa73034cb74714bf34050c304fb64807d187

(this sample)

  
Dropping
LockBit
  
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 (GUARD_CF)high
CHECK_TRUST_INFORequires Elevated Execution (uiAccess:None)high
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments