MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fec2a18232b6ae8eea650aafb597cad8567d6d6919820c1ec52a95e59049e740. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fec2a18232b6ae8eea650aafb597cad8567d6d6919820c1ec52a95e59049e740
SHA3-384 hash: 415e611e76ffd5f25f43f6d2295e566c0559f219a210e06de8972ae5498bab5474301c2192df416b9b34da3cafc2340e
SHA1 hash: e0e338a9abc098c267b8e45befc54816f7358e90
MD5 hash: f6ee4790e4bd8be0b56339c823b7e5f6
humanhash: robin-bravo-oranges-triple
File name:file
Download: download sample
Signature PureCrypter
Create hunting rule
File size:1'364'992 bytes
First seen:2024-11-07 02:49:57 UTC
Last seen:2024-11-07 04:21:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:AHVQ6lA27hkqI9m6PlwDxTyAVf+gltuT70LTgwsbO9QhPJHdmq:A1jT7iqI9RPlITyAVf+gnI0LTHDWhtdm
TLSH T12A55232C2B8C2E29C76E31BD49E0C9410F34B187AA4EEBCEFCD4D9DA155A72613152D7
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/15303357/latest.exe

Intelligence

File Origin
# of uploads :
26
# of downloads :
2'456
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 02:53:17 UTC
Tags:
rat asyncrat remote netreactor purehvnc
Link:
https://app.any.run/tasks/93c54c06-fa4f-4dfc-b435-d07110f57126

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Agent.PVH.tr.1484.11724.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Score:
50%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672c2ae049e92a05dde3acfc
Tags:
autorun dotnet micro smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
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/672c2ada9f83846b93d1297e/reports/4a33efe4-0adf-4005-a414-5e2517d5bf07/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/fec2a18232b6ae8eea650aafb597cad8567d6d6919820c1ec52a95e59049e740
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/ac8e0dfd-9448-4f51-9e26-a74457971f63
Result
Threat name:
PureCrypter
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550698
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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 dnsIp2 2 Behavior Graph ID: 1550698 Sample: file.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 68 www.google.com 2->68 70 trashycontinuousbubbly.com 2->70 82 Suricata IDS alerts for network traffic 2->82 84 Antivirus detection for dropped file 2->84 86 Antivirus / Scanner detection for submitted sample 2->86 88 14 other signatures 2->88 10 file.exe 5 2->10         started        14 TypeId.exe 2 2->14         started        16 wscript.exe 1 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 62 C:\Users\user\AppData\Roaming\TypeId.exe, PE32 10->62 dropped 64 C:\Users\user\...\TypeId.exe:Zone.Identifier, ASCII 10->64 dropped 66 C:\Users\user\AppData\Roaming\...\TypeId.vbs, ASCII 10->66 dropped 98 Found many strings related to Crypto-Wallets (likely being stolen) 10->98 100 Drops VBS files to the startup folder 10->100 102 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->102 112 2 other signatures 10->112 20 InstallUtil.exe 1 7 10->20         started        104 Antivirus detection for dropped file 14->104 106 Multi AV Scanner detection for dropped file 14->106 108 Machine Learning detection for dropped file 14->108 25 InstallUtil.exe 3 14->25         started        110 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->110 signatures6 process7 dnsIp8 72 162.230.48.189, 49704, 49809, 49885 ATT-INTERNET4US United States 20->72 60 C:\Users\user\AppData\Roaming\worn.vbs, ASCII 20->60 dropped 90 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 20->90 92 Potential context-aware VBS script found (checks for environment specific values) 20->92 94 Potential malicious VBS script found (has network functionality) 20->94 96 7 other signatures 20->96 27 cmd.exe 20->27         started        30 cmd.exe 20->30         started        file9 signatures10 process11 signatures12 114 Uses ping.exe to sleep 27->114 116 Uses ping.exe to check the status of other devices and networks 27->116 32 wscript.exe 27->32         started        36 conhost.exe 27->36         started        38 chcp.com 27->38         started        40 PING.EXE 27->40         started        42 cmd.exe 30->42         started        44 conhost.exe 30->44         started        46 chcp.com 30->46         started        48 PING.EXE 30->48         started        process13 file14 56 C:\Users\user\AppData\Roaming\System.vbs, ASCII 32->56 dropped 58 C:\Users\user\AppData\Roaming\...\System.vbs, ASCII 32->58 dropped 74 System process connects to network (likely due to code injection or exploit) 32->74 76 Potential context-aware VBS script found (checks for environment specific values) 32->76 78 Potential malicious VBS script found (has network functionality) 32->78 80 6 other signatures 32->80 50 WmiPrvSE.exe 32->50         started        52 conhost.exe 42->52         started        54 chrome.exe 42->54         started        signatures15 process16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fec2a18232b6ae8eea650aafb597cad8567d6d6919820c1ec52a95e59049e740
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fec2a18232b6ae8eea650aafb597cad8567d6d6919820c1ec52a95e59049e740/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=73bkdarsw2xi52tfbkx3lf6k3blh23ljdgbayhwffkk6lecj45aa._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/241107-dbkzyssqbs/
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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/75d4f828-a214-40e3-88d9-865a7cfd5747
Unpacked files
SH256 hash:
9eadbfc9a69e6e4a6ebb3ac6724e413998ab134d9c24f391ceb3b03c95041a43
MD5 hash:
f68b79f70b10c7f6b975e7d96e59b00c
SHA1 hash:
7f102d967d4a2adecbb1304c29104441d7a5860d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/547cce7e-17cf-44ff-8624-e63528fcddc0/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/547cce7e-17cf-44ff-8624-e63528fcddc0/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/547cce7e-17cf-44ff-8624-e63528fcddc0/
SH256 hash:
ac7670e3082b0d080ed02fbfb3237d9715d25bed842ff6ea156eccd7145acc20
MD5 hash:
6fc9015cacdde81e6a6e1ce61fb4738f
SHA1 hash:
2be1fa618eb038c48869e581e108478ca9b4b70a
Link:
https://www.unpac.me/results/547cce7e-17cf-44ff-8624-e63528fcddc0/
SH256 hash:
b33ae14aafc8b301c385ba6d6563f5768fe55cedd896387b299bebd68bd31a2e
MD5 hash:
b25b589d0a8472c5fb52cad79b434a43
SHA1 hash:
7fa13f0c6734a44684bd2484d9e8678be3901e66
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/547cce7e-17cf-44ff-8624-e63528fcddc0/
SH256 hash:
fec2a18232b6ae8eea650aafb597cad8567d6d6919820c1ec52a95e59049e740
MD5 hash:
f6ee4790e4bd8be0b56339c823b7e5f6
SHA1 hash:
e0e338a9abc098c267b8e45befc54816f7358e90
Link:
https://www.unpac.me/results/547cce7e-17cf-44ff-8624-e63528fcddc0/
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 fec2a18232b6ae8eea650aafb597cad8567d6d6919820c1ec52a95e59049e740

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3279583/

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