MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3756b23ef7551900ef1532fc6f95725ad0f295fa3098cd25e66623377c04190e. 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



zgRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 3756b23ef7551900ef1532fc6f95725ad0f295fa3098cd25e66623377c04190e
SHA3-384 hash: 68f12ae1fded86a64699fb0d6359ada1df2e8a987563cd5b6ae0533786263fe1aa49b3fc84ca58b1596acfdc4de069ef
SHA1 hash: 0933edab25376827b8c0cfaf451181f3e6cd42f4
MD5 hash: f6b024005988370ec4ce05869f281e35
humanhash: green-undress-august-xray
File name:f6b024005988370ec4ce05869f281e35.exe
Download: download sample
Signature zgRAT
File size:1'220'096 bytes
First seen:2023-12-07 17:03:09 UTC
Last seen:2023-12-07 18:18:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:NzIF4WqKHijIPFpRfdBoAzaUIkTAAq+xy8A:iompenUAI
TLSH T193451204660C6183F19937B8C8ECF77336908E609AE6C85BA4D17D3B753C66B78365E2
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon f08e9686dad89ac4 (5 x zgRAT, 4 x PureLogsStealer, 3 x Amadey)
Reporter abuse_ch
Tags:exe zgRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
293
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Creating a process from a recently created file
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed smartassembly smart_assembly
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.
Result
Threat name:
PureLog Stealer, Xmrig, zgRAT
Detection:
malicious
Classification:
troj.expl.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected Stratum mining protocol
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Drops script at startup location
Sigma detected: Xmrig
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PersistenceViaHiddenTask
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1355659 Sample: mdo2q4bS5Q.exe Startdate: 07/12/2023 Architecture: WINDOWS Score: 100 71 xmr.2miners.com 2->71 73 ip.allproxy.io 2->73 75 connv2.proxies.tv 2->75 91 Sigma detected: Xmrig 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Antivirus detection for URL or domain 2->95 97 10 other signatures 2->97 10 TypeId.exe 2->10         started        13 ContextProperties.exe 3 2->13         started        15 oswqgyhjx.exe 2->15         started        17 12 other processes 2->17 signatures3 process4 file5 121 Antivirus detection for dropped file 10->121 123 Multi AV Scanner detection for dropped file 10->123 125 Machine Learning detection for dropped file 10->125 127 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->127 20 TypeId.exe 10->20         started        129 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 13->129 131 Modifies the context of a thread in another process (thread injection) 13->131 133 Injects a PE file into a foreign processes 13->133 23 ContextProperties.exe 2 13->23         started        25 oswqgyhjx.exe 15->25         started        63 C:\Users\user\AppData\Roaming\Bwqzg.exe, PE32+ 17->63 dropped 135 Query firmware table information (likely to detect VMs) 17->135 137 Changes security center settings (notifications, updates, antivirus, firewall) 17->137 139 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->139 28 xhryeozj.exe 17->28         started        31 mdo2q4bS5Q.exe 6 17->31         started        33 MpCmdRun.exe 17->33         started        35 4 other processes 17->35 signatures6 process7 dnsIp8 99 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->99 101 Writes to foreign memory regions 20->101 103 Modifies the context of a thread in another process (thread injection) 20->103 37 AddInUtil.exe 20->37         started        105 Injects a PE file into a foreign processes 23->105 40 InstallUtil.exe 3 23->40         started        65 C:\Users\user\AppData\Roaming\...\TypeId.exe, PE32+ 25->65 dropped 79 connv2.proxies.tv 51.79.32.112, 49729, 49732, 49752 OVHFR Canada 28->79 81 ip.allproxy.io 172.67.159.225, 443, 49764, 49765 CLOUDFLARENETUS United States 28->81 67 C:\Users\user\AppData\...\provisionshare.url, MS 28->67 dropped 69 C:\Users\user\...\ContextProperties.exe, PE32+ 31->69 dropped 42 conhost.exe 33->42         started        file9 signatures10 process11 signatures12 113 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 37->113 115 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 37->115 117 Modifies the context of a thread in another process (thread injection) 37->117 44 AddInUtil.exe 37->44         started        119 Injects a PE file into a foreign processes 40->119 48 InstallUtil.exe 15 4 40->48         started        process13 dnsIp14 83 185.17.0.22, 39001, 49717, 49722 SUPERSERVERSDATACENTERRU Russian Federation 44->83 85 185.196.8.248, 49724, 80 SIMPLECARRER2IT Switzerland 44->85 141 Writes to foreign memory regions 44->141 143 Modifies the context of a thread in another process (thread injection) 44->143 145 Injects a PE file into a foreign processes 44->145 51 AddInProcess.exe 44->51         started        55 AddInProcess.exe 44->55         started        57 AddInProcess.exe 44->57         started        87 185.196.8.238, 49704, 49708, 80 SIMPLECARRER2IT Switzerland 48->87 89 80.85.241.193, 49703, 49705, 49706 MEDIAL-ASRU Russian Federation 48->89 59 C:\Users\user\AppData\Local\...\xhryeozj.exe, PE32+ 48->59 dropped 61 C:\Users\user\AppData\Local\...\oswqgyhjx.exe, PE32+ 48->61 dropped file15 signatures16 process17 dnsIp18 77 xmr.2miners.com 162.19.139.184, 2222, 49786, 49787 CENTURYLINK-US-LEGACY-QWESTUS United States 51->77 107 Query firmware table information (likely to detect VMs) 51->107 109 Found strings related to Crypto-Mining 55->109 signatures19 111 Detected Stratum mining protocol 77->111
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-12-07 15:42:58 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
18
AV detection:
18 of 37 (48.65%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
3756b23ef7551900ef1532fc6f95725ad0f295fa3098cd25e66623377c04190e
MD5 hash:
f6b024005988370ec4ce05869f281e35
SHA1 hash:
0933edab25376827b8c0cfaf451181f3e6cd42f4
Detections:
INDICATOR_EXE_Packed_SmartAssembly
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Web download

zgRAT

Executable exe 3756b23ef7551900ef1532fc6f95725ad0f295fa3098cd25e66623377c04190e

(this sample)

  
Delivery method
Distributed via web download

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