MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe5543492a9e4e16791d47d369be38cca870b124a009a073cdb6cdf215e26a80. 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 5 File information Comments

SHA256 hash: fe5543492a9e4e16791d47d369be38cca870b124a009a073cdb6cdf215e26a80
SHA3-384 hash: b13bd5418174a738af7e4ebae1a4c60bb27ceb370c564b79841e9ed59e5663d8be5f2170f5e0cc3ea0d6fab9dac0c469
SHA1 hash: d335a65a0a42d72ebf438cc076b2cd43d826c296
MD5 hash: 8b4e666531619399c6722b112a21547b
humanhash: fourteen-stairway-earth-happy
File name:RFQ List 20244.scr
Download: download sample
Signature PureCrypter
File size:12'800 bytes
First seen:2024-03-22 06:41:38 UTC
Last seen:2024-03-22 20:56:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:G5rL531N08icIjpnIB8RWAFoo79ED607i5:GFzG8EJWVA3Mi
TLSH T1CC42B4D89ED805F1D03746724CFA37066523EEAB4C3A7E9A2C1AB24658335A01A73D5F
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 30eeae8cb6968ee8 (8 x zgRAT, 6 x PureCrypter, 3 x PureLogsStealer)
Reporter lowmal3
Tags:exe purecrypter

Intelligence


File Origin
# of uploads :
3
# of downloads :
475
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fe5543492a9e4e16791d47d369be38cca870b124a009a073cdb6cdf215e26a80.exe
Verdict:
Malicious activity
Analysis date:
2024-03-22 06:41:46 UTC
Tags:
purelogs purecrypter loader stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a file in the %temp% subdirectories
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Result
Threat name:
PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1413852 Sample: RFQ List 20244.scr.exe Startdate: 22/03/2024 Architecture: WINDOWS Score: 100 43 balikesirmasaj.xyz 2->43 45 68.227.1.0.in-addr.arpa 2->45 59 Snort IDS alert for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 67 8 other signatures 2->67 7 RFQ List 20244.scr.exe 15 5 2->7         started        12 Zieie.exe 14 3 2->12         started        14 Zieie.exe 2 2->14         started        signatures3 65 Performs DNS queries to domains with low reputation 43->65 process4 dnsIp5 47 balikesirmasaj.xyz 172.67.190.211, 443, 49703, 49710 CLOUDFLARENETUS United States 7->47 39 C:\Users\user\AppData\Roaming\Zieie.exe, PE32+ 7->39 dropped 69 Found many strings related to Crypto-Wallets (likely being stolen) 7->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->71 73 Modifies the context of a thread in another process (thread injection) 7->73 16 RFQ List 20244.scr.exe 6 7->16         started        21 RFQ List 20244.scr.exe 7->21         started        23 RFQ List 20244.scr.exe 7->23         started        31 4 other processes 7->31 75 Multi AV Scanner detection for dropped file 12->75 77 Injects a PE file into a foreign processes 12->77 25 Zieie.exe 12->25         started        27 Zieie.exe 12->27         started        33 3 other processes 12->33 29 Zieie.exe 14->29         started        35 2 other processes 14->35 file6 signatures7 process8 dnsIp9 41 65.108.26.131, 2024, 49709, 49711 ALABANZA-BALTUS United States 16->41 37 C:\Users\user\AppData\...\sqlite.interop.dll, PE32+ 16->37 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->49 51 Tries to steal Mail credentials (via file / registry access) 25->51 53 Found many strings related to Crypto-Wallets (likely being stolen) 25->53 55 Tries to harvest and steal browser information (history, passwords, etc) 29->55 57 Tries to harvest and steal Bitcoin Wallet information 29->57 file10 signatures11
Threat name:
Win64.Trojan.Znyonm
Status:
Malicious
First seen:
2024-03-21 23:30:23 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat collection persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Detect ZGRat V1
Suspicious use of NtCreateUserProcessOtherParentProcess
ZGRat
Unpacked files
SH256 hash:
fe5543492a9e4e16791d47d369be38cca870b124a009a073cdb6cdf215e26a80
MD5 hash:
8b4e666531619399c6722b112a21547b
SHA1 hash:
d335a65a0a42d72ebf438cc076b2cd43d826c296
Detections:
PureCrypter_Stage1
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:MSIL_TinyDownloader_Generic
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

PureCrypter

Executable exe fe5543492a9e4e16791d47d369be38cca870b124a009a073cdb6cdf215e26a80

(this sample)

  
Delivery method
Distributed via e-mail attachment

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