MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d
SHA3-384 hash: 3aa98ba87f4b157313a1c900b27f3e2a3eac9abf6f59c41154e45cdadea60010d7d499188ce2079a520b3211ee6cd750
SHA1 hash: 4a98e2a51ddc3c847961e7d789c9fc7df5750c86
MD5 hash: 38a0fe17d9d67c0e453efb2134c3f52f
humanhash: september-island-mountain-cardinal
File name:657894-02-04T142248.263.pdf.exe
Download: download sample
Signature zgRAT
Create hunting rule
File size:799'744 bytes
First seen:2024-02-15 11:01:38 UTC
Last seen:2024-02-19 08:41:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:m5uJR6T+FvOOZmYP47Ewfros6mj+hhBj5RXiLJLLWx:m5GS+FvOOZm24nros6mj+hhBj5RXi
Threatray 6'219 similar samples on MalwareBazaar
TLSH T1D1056B117BE4CA63E2AF2F75F8B24A152BF4E049FA72E78F494856E82C577015C4036B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
Reporter adrian__luca
Tags:exe zgRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
279
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d.exe
Verdict:
Malicious activity
Analysis date:
2024-02-15 11:11:53 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/f6fe2dbe-2738-40e8-aff0-f21c80906e1e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476284/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Reading critical registry keys
Sending a custom TCP request
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/65cdef3490a5367ac0c6690f/reports/e44f5582-7dc7-4608-9597-ac8e855823be/overview
Verdict:
Malicious
Labled as:
Marsilia.Generic
Link:
https://www.hybrid-analysis.com/sample/bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d
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:
Unknown
Link:
https://analyze.intezer.com/analyses/664f1904-5f15-49f8-96d1-37f5765fa008
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1392778
Signature
.NET source code contains potential unpacker
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Suspicious Double Extension File Execution
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)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1392778 Sample: 657894-02-04T142248.263.pdf.exe Startdate: 15/02/2024 Architecture: WINDOWS Score: 100 30 mail.khenghong.com 2->30 32 qu.ax 2->32 34 2 other IPs or domains 2->34 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 7 657894-02-04T142248.263.pdf.exe 16 5 2->7         started        12 Krllsgmcdp.exe 14 5 2->12         started        14 Krllsgmcdp.exe 2->14         started        signatures3 process4 dnsIp5 36 qu.ax 209.141.48.188, 443, 49705, 49709 PONYNETUS United States 7->36 24 C:\Users\user\AppData\...\Krllsgmcdp.exe, PE32 7->24 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 56 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->56 16 657894-02-04T142248.263.pdf.exe 2 7->16         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 20 Krllsgmcdp.exe 2 12->20         started        22 Krllsgmcdp.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 ip-api.com 208.95.112.1, 49706, 49712, 49720 TUT-ASUS United States 16->26 28 khenghong.com 218.208.91.137, 49707, 49708, 49717 TMNET-AS-APTMNetInternetServiceProviderMY Malaysia 16->28 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->38 40 Tries to steal Mail credentials (via file / registry access) 22->40 42 Tries to harvest and steal browser information (history, passwords, etc) 22->42 signatures10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2024-02-12 08:33:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrzyd5545ara5ccw2gzetky6e25avnfbdkf6aqdodibvnj43kbwq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0a06869ea7ce6fcbd872d14d7bbf27ea06fd6f0ec098fe4824fc41c9fc30c644
zgRAT
4e4430def6aa40209667fa3a7066c2998f9b67843ba22ec3376c9860de86ba9a
zgRAT
945e176b7aa6d3b13ca4f6cd758fe5ee04c49ab1778c2b5433166dfce5adc9e2
zgRAT
a057aab2994c9b2d3214e2ebdfa28dcce023546bf7154c8832bd27112c693e86
zgRAT
f2b532450ed44fa884c0ea547b17a6a11524c2abc5a0b8278143d0b26604bbf9
zgRAT
fa1263a8e9dea6c3fa9dce2ca23f8f235f8821446eb5089574c706c37db54442
zgRAT
+ 6'209 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240215-m443zafc99/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d
MD5 hash:
38a0fe17d9d67c0e453efb2134c3f52f
SHA1 hash:
4a98e2a51ddc3c847961e7d789c9fc7df5750c86
Link:
https://www.unpac.me/results/6bb5d17c-ed64-4b0a-a072-f0c466bf0faf/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc7381f7bce8/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/bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d

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:NET
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.

Malspam

zgRAT

Executable exe bc7381f7bce8220e8856d1b249ab1e26ba0ab4a11a8be0406e1a0356a79b506d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476284/

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