MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf7e9cf27cac0d8eb54b86f28bf4c06507bd185bb1e3932de1f5f86166a45778. 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


PureCrypter


Vendor detections: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf7e9cf27cac0d8eb54b86f28bf4c06507bd185bb1e3932de1f5f86166a45778
SHA3-384 hash: 497266811afbd486bad13cf34ed29e0afa42b912aea017ebc50fff7e708a302822d73019b2ab69be18061d57fb76ad1e
SHA1 hash: 33f703defef40b193cac5d70b22da72bb4916983
MD5 hash: cd97d09a95e215efee7a40605d6f734c
humanhash: yankee-friend-beryllium-hydrogen
File name:file
Download: download sample
Signature PureCrypter
Create hunting rule
File size:1'366'016 bytes
First seen:2024-11-07 04:16:38 UTC
Last seen:2024-11-07 06:34:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:IWIIfKlTyf7r3q007p9sG1n407g81LTq1uOht4xmUtjMCoBwrl6:tKts3p0Ds848ZuR4VMCrr
TLSH T10355231CAF69CE35D25D317C12E481188730C753989EDF9BB880A9D02E997AE13463FB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Bitsight
Tags:exe purecrypter


Avatar
Bitsight
url: http://tmpfiles.org/dl/15306544/pohtent.exe

Intelligence

File Origin
# of uploads :
30
# of downloads :
2'198
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-07 04:19:18 UTC
Tags:
rat asyncrat remote netreactor purehvnc
Link:
https://app.any.run/tasks/5d99205e-cd00-4642-960e-177448e3370f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan-Downloader.MSIL.Agent.11713.2142.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672c3f4349e92a05dde3b0e0
Tags:
powershell autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a file in the %AppData% directory
Launching a process
Using the Windows Management Instrumentation requests
Searching for the browser window
DNS request
Connection attempt
Sending a custom TCP request
Searching for the window
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
Link:
https://www.filescan.io/uploads/672c3f3e210633def62116eb/reports/90b43a37-382d-49dd-a6f4-341d030c32e6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/bf7e9cf27cac0d8eb54b86f28bf4c06507bd185bb1e3932de1f5f86166a45778
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:
CinaRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b4ff680-c4a3-4038-9974-70debd57e9de
Result
Threat name:
PureCrypter
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550717
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Detected PureCrypter Trojan
Drops VBS files to the startup folder
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential context-aware VBS script found (checks for environment specific values)
Potential evasive VBS script found (sleep loop)
Potential malicious VBS script found (has network functionality)
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Uses known network protocols on non-standard ports
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Writes or reads registry keys via WMI
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1550717 Sample: file.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 126 Suricata IDS alerts for network traffic 2->126 128 Antivirus detection for dropped file 2->128 130 Antivirus / Scanner detection for submitted sample 2->130 132 15 other signatures 2->132 10 file.exe 7 2->10         started        14 wscript.exe 2->14         started        16 wscript.exe 2->16         started        18 wscript.exe 2->18         started        process3 file4 108 C:\Users\user\AppData\Roaming\TypeId.exe, PE32 10->108 dropped 110 C:\Users\user\...\TypeId.exe:Zone.Identifier, ASCII 10->110 dropped 112 C:\Users\user\AppData\Roaming\...\TypeId.vbs, ASCII 10->112 dropped 162 Found many strings related to Crypto-Wallets (likely being stolen) 10->162 164 Drops VBS files to the startup folder 10->164 166 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->166 170 2 other signatures 10->170 20 InstallUtil.exe 1 11 10->20         started        25 cmd.exe 13 10->25         started        168 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->168 27 TypeId.exe 14->27         started        signatures5 process6 dnsIp7 114 162.230.48.189, 49712, 49838, 56001 ATT-INTERNET4US United States 20->114 106 C:\Users\user\AppData\Roaming\worn.vbs, ASCII 20->106 dropped 142 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 20->142 144 Potential context-aware VBS script found (checks for environment specific values) 20->144 146 Potential malicious VBS script found (has network functionality) 20->146 158 7 other signatures 20->158 29 cmd.exe 20->29         started        32 cmd.exe 20->32         started        34 cmd.exe 20->34         started        36 cmd.exe 20->36         started        148 Uses ping.exe to sleep 25->148 150 Uses ping.exe to check the status of other devices and networks 25->150 38 chrome.exe 25->38         started        41 chrome.exe 25->41         started        47 58 other processes 25->47 152 Antivirus detection for dropped file 27->152 154 Multi AV Scanner detection for dropped file 27->154 156 Machine Learning detection for dropped file 27->156 160 3 other signatures 27->160 43 cmd.exe 27->43         started        45 InstallUtil.exe 27->45         started        file8 signatures9 process10 dnsIp11 172 Uses ping.exe to sleep 29->172 49 wscript.exe 29->49         started        58 3 other processes 29->58 60 4 other processes 32->60 62 4 other processes 34->62 64 3 other processes 36->64 122 192.168.2.5, 443, 49703, 49704 unknown unknown 38->122 124 239.255.255.250 unknown Reserved 38->124 53 chrome.exe 38->53         started        56 chrome.exe 41->56         started        66 24 other processes 43->66 68 55 other processes 47->68 signatures12 process13 dnsIp14 102 C:\Users\user\AppData\Roaming\System.vbs, ASCII 49->102 dropped 104 C:\Users\user\AppData\Roaming\...\System.vbs, ASCII 49->104 dropped 134 System process connects to network (likely due to code injection or exploit) 49->134 136 Potential context-aware VBS script found (checks for environment specific values) 49->136 138 Potential malicious VBS script found (has network functionality) 49->138 140 6 other signatures 49->140 70 WmiPrvSE.exe 49->70         started        116 trashycontinuousbubbly.com 172.240.108.68, 443, 49704, 49713 SERVERS-COMUS United States 53->116 118 play.google.com 216.58.206.78 GOOGLEUS United States 53->118 120 5 other IPs or domains 53->120 72 chrome.exe 60->72         started        74 chrome.exe 60->74         started        76 chrome.exe 60->76         started        84 6 other processes 60->84 78 chrome.exe 66->78         started        80 chrome.exe 66->80         started        82 chrome.exe 66->82         started        86 19 other processes 66->86 file15 signatures16 process17 process18 88 chrome.exe 72->88         started        90 chrome.exe 74->90         started        92 chrome.exe 76->92         started        94 chrome.exe 84->94         started        96 chrome.exe 84->96         started        98 chrome.exe 84->98         started        100 chrome.exe 84->100         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf7e9cf27cac0d8eb54b86f28bf4c06507bd185bb1e3932de1f5f86166a45778
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf7e9cf27cac0d8eb54b86f28bf4c06507bd185bb1e3932de1f5f86166a45778/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-07 04:17:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x57jz4t4vqgy5nklq3zix5gamud32gc3whrzglpb6x4gczvek54a._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/241107-ewcpraxpgp/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3fdee2e0-51ae-45d4-ac6c-59e190bbd041
Unpacked files
SH256 hash:
7afd6d6297ca412b5c2d1c3c7393ab68d92c44ffac04a4a98fe53333c0446618
MD5 hash:
96430eaf70a1c6f2a9d96a62c7131947
SHA1 hash:
ff25d2efdb0a3922eb7466c36f05aa23a7d27237
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/2d444be9-4201-467e-b9a4-e597c363fe19/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/2d444be9-4201-467e-b9a4-e597c363fe19/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/2d444be9-4201-467e-b9a4-e597c363fe19/
SH256 hash:
b5d0769503d1fd15163728882d140811921486e87c407135baa76f4a1f7b4d43
MD5 hash:
617b7b8968b412b423362161311f321b
SHA1 hash:
1e3a0fe05e04fb711ed822bdab2bb64ee95c0222
Link:
https://www.unpac.me/results/2d444be9-4201-467e-b9a4-e597c363fe19/
SH256 hash:
8a15b8872d4862512d89f7cd52b1b8e632f314d30fa560e6dbcfc669df0fa463
MD5 hash:
de41b9470b390afb226f7f74a3592a98
SHA1 hash:
9f5ffbdaa2628d4b2be105011d541e3067b8c16e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/2d444be9-4201-467e-b9a4-e597c363fe19/
SH256 hash:
bf7e9cf27cac0d8eb54b86f28bf4c06507bd185bb1e3932de1f5f86166a45778
MD5 hash:
cd97d09a95e215efee7a40605d6f734c
SHA1 hash:
33f703defef40b193cac5d70b22da72bb4916983
Link:
https://www.unpac.me/results/2d444be9-4201-467e-b9a4-e597c363fe19/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Web download

PureCrypter

Executable exe bf7e9cf27cac0d8eb54b86f28bf4c06507bd185bb1e3932de1f5f86166a45778

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3279684/

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

Comments