MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcb2528d58e8bcd3f65736f4de189999f481e9e0968a5ff2adf404105e0e20d5. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcb2528d58e8bcd3f65736f4de189999f481e9e0968a5ff2adf404105e0e20d5
SHA3-384 hash: 69afced57d56cce08bbde33808ad03e743bfd9a6d799950407ebe88466465a5f857a3f9c8e800fe1064e5d94b83f13a9
SHA1 hash: 242fae64faf988482404bedde823d717b4cb481d
MD5 hash: 0a909d113ad6b00919fee8ee63d9cd12
humanhash: autumn-orange-sodium-uranus
File name:Перший примірник.docx.exe
Download: download sample
Signature zgRAT
Create hunting rule
File size:1'198'592 bytes
First seen:2023-07-12 06:27:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:pvHQ6quANkwV8va3hX8BkzWdol6P9qNVo4Ca0sJ2pBKsETLgLDKABc:SPuAeAa6WykPOy4CSJ2p7BfBc
Threatray 450 similar samples on MalwareBazaar
TLSH T18745F12B324CF2D6C5692679EB53F0083E6553B26CC1536D69C982FF4862E1EE233B15
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e4ccd4d4d4d4d4cc (1 x AgentTesla, 1 x zgRAT)
Reporter abuse_ch
Tags:exe RAT zgRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
266
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Перший примірник.docx.exe
Verdict:
Malicious activity
Analysis date:
2023-07-12 06:35:26 UTC
Tags:
rat agenttesla stealer
Link:
https://app.any.run/tasks/80aeab0b-0935-4032-be83-be007afee368

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/416345/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.2756.22876.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Сreating synchronization primitives
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bcb2528d58e8bcd3f65736f4de189999f481e9e0968a5ff2adf404105e0e20d5
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c607c518-9a8f-4fee-be70-8f8e2b1bf9d4
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1271585
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
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)
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)
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 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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1271585 Sample: #U041f#U0435#U0440#U0448#U0... Startdate: 12/07/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Multi AV Scanner detection for domain / URL 2->36 38 Found malware configuration 2->38 40 11 other signatures 2->40 6 #U041f#U0435#U0440#U0448#U0438#U0439_#U043f#U0440#U0438#U043c#U0456#U0440#U043d#U0438#U043a.docx.exe 1 5 2->6         started        10 Pcegbvsgr.exe 5 2->10         started        12 Pcegbvsgr.exe 4 2->12         started        process3 file4 26 C:\Users\user\AppData\Roaming\Pcegbvsgr.exe, PE32 6->26 dropped 28 C:\Users\...\Pcegbvsgr.exe:Zone.Identifier, ASCII 6->28 dropped 30 #U041f#U0435#U0440...#U043a.docx.exe.log, ASCII 6->30 dropped 42 Writes to foreign memory regions 6->42 44 Injects a PE file into a foreign processes 6->44 14 InstallUtil.exe 15 2 6->14         started        46 Multi AV Scanner detection for dropped file 10->46 48 Machine Learning detection for dropped file 10->48 18 InstallUtil.exe 2 10->18         started        20 InstallUtil.exe 10->20         started        22 InstallUtil.exe 2 12->22         started        24 InstallUtil.exe 12->24         started        signatures5 process6 dnsIp7 32 ftp.svetigeorgije.co.rs 157.90.84.32, 21, 49719, 49720 REDIRISRedIRISAutonomousSystemES United States 14->32 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->52 54 Tries to steal Mail credentials (via file / registry access) 14->54 56 Tries to harvest and steal browser information (history, passwords, etc) 22->56 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bcb2528d58e8bcd3f65736f4de189999f481e9e0968a5ff2adf404105e0e20d5/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2023-07-12 06:28:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xszffdky5c6nh5sxg32n4gezth2id2pas2ff74vn6qcbaxqoedkq._file
Verdict:
malicious
Similar samples:
0cfa378be0ba59aeb6d4f75ec7f8e97d26794d5a4cc3258ded80117020226c96
zgRAT
114210ddeecbf5dd4320338e5a3c5a156841ae1390732a2b71e324f161e32932
zgRAT
26824a60b529f933c81dbd8c9da85bf8962feab2a7c99dc7ee30723598836d5f
zgRAT
48b40f42261aa76d3629cfe995b93dfb0a448c2cb1ef513e420c3ba39a57e24b
zgRAT
4a269414d116334ba8837a573d824a3ff46c3b7d274b7b8e3c3ffd688a2e3729
zgRAT
53e891f9b9098e2f7f29c3129ff55d16faa213ac9d07efbb5443d0d42809adf2
zgRAT
7f51dd699f733b774dcb7c6d3da1ac6d87a3bd7e7e6083eb9987b45fe0df72bf
zgRAT
97b9d63fe195249b2862a13c72cc88f4cb736f846eb91188de18984c231d168b
zgRAT
bb90c8c39ba60347b2d5f2a73a11f9c1f9f7e16251ca3098e4c087257bcce09b
zgRAT
fdebc445fec70be18126e1a19174c6db08efaf88a62da477e91c078fe01df740
zgRAT
+ 440 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
collection persistence
Link:
https://tria.ge/reports/230712-g8clmacb97/
Behaviour
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
Unpacked files
SH256 hash:
fd02e34d7a26abb00caeb3a365bc9e77dbeec801cb24a69025b83ea103ec5ea2
MD5 hash:
9649ae8d1bef75e028a2b178f7226b48
SHA1 hash:
bfc06b4cff4ad107139f259253f5b11e3a180671
Link:
https://www.unpac.me/results/91bd503b-0cfc-48ce-be7e-18a5123a537b/
SH256 hash:
802cc1c01821f6a8827ac2ab7104e8ba9b7c75d4511e956d4f9eb8fe8105fbfe
MD5 hash:
f90dd87c84bea74486b9850726ba7ee1
SHA1 hash:
92ac8613240b6b6f685ffc671a78d6db4f14033e
Link:
https://www.unpac.me/results/91bd503b-0cfc-48ce-be7e-18a5123a537b/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/91bd503b-0cfc-48ce-be7e-18a5123a537b/
SH256 hash:
9b1aa2c161f6cbcf74f32bf32bd8344c8792f8a7306510799466927b1b969a90
MD5 hash:
86ae200555ad811efa518ce539414515
SHA1 hash:
3e353ead6716b374f522f90cac72cda38f6d4fc0
Link:
https://www.unpac.me/results/91bd503b-0cfc-48ce-be7e-18a5123a537b/
SH256 hash:
bcb2528d58e8bcd3f65736f4de189999f481e9e0968a5ff2adf404105e0e20d5
MD5 hash:
0a909d113ad6b00919fee8ee63d9cd12
SHA1 hash:
242fae64faf988482404bedde823d717b4cb481d
Link:
https://www.unpac.me/results/91bd503b-0cfc-48ce-be7e-18a5123a537b/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bcb2528d58e8/report/overview.html
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_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MALWARE_Win_zgRAT
Create hunting rule
Author:ditekSHen
Description:Detects zgRAT
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 bcb2528d58e8bcd3f65736f4de189999f481e9e0968a5ff2adf404105e0e20d5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/416345/

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