MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15737d37308fb5a8745afb8c34249e387bad9b1d001f2fcaa44b8c0333286861. 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


ZLoader


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15737d37308fb5a8745afb8c34249e387bad9b1d001f2fcaa44b8c0333286861
SHA3-384 hash: bd9e6fad439c065e8a93a63e43aa8106676bd330cef2d1073bbab041479e34783b2893510e1404749a6a8671e57b3fca
SHA1 hash: 1c2c449a06873070a3e154069c8a71de3d6e908d
MD5 hash: 1d36338becdf76e5245665e2833d8a38
humanhash: missouri-violet-oxygen-king
File name:YCRkFXS.dll
Download: download sample
Signature ZLoader
Create hunting rule
File size:783'192 bytes
First seen:2020-10-16 13:48:04 UTC
Last seen:2020-10-16 15:15:46 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 22ff24fd2746b17cd360f885607c39fd (1 x ZLoader)
ssdeep 6144:sm2z3niEj9ZqZ+S9MIP499bYutYShsm+mmkJ:6zj2ZFO7bXnhdL
Threatray 31 similar samples on MalwareBazaar
TLSH 7EF4D843E9DB0F74D6BD17F3CACD01298260914ACCA21E40B27D1669E657DC0F9FAA2D
Reporter ffforward
Tags:dll IHUSKLPESWNLWBJTXN sovietzloader ZLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Artemis1D36338BECDF.27627.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Result
Threat name:
ZLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/493738
Signature
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Contains VNC / remote desktop functionality (version string found)
Creates autostart registry keys with suspicious values (likely registry only malware)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses ipconfig to lookup or modify the Windows network settings
Uses net.exe to modify the status of services
Writes to foreign memory regions
Yara detected ZLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 299328 Sample: YCRkFXS.dll Startdate: 16/10/2020 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 9 loaddll32.exe 1 2->9         started        process3 signatures4 50 Contains functionality to inject code into remote processes 9->50 52 Writes to foreign memory regions 9->52 54 Allocates memory in foreign processes 9->54 12 msiexec.exe 3 43 9->12         started        process5 dnsIp6 40 fqnceas.su 45.128.207.41, 443, 49745, 49746 DDOS-GUARDRU Russian Federation 12->40 36 C:\Users\user\AppData\Roaming\...\syucpe.dll, PE32 12->36 dropped 56 Creates autostart registry keys with suspicious values (likely registry only malware) 12->56 58 Tries to harvest and steal browser information (history, passwords, etc) 12->58 60 Tries to steal Crypto Currency Wallets 12->60 62 Tries to harvest and steal Bitcoin Wallet information 12->62 17 cmd.exe 1 12->17         started        19 cmd.exe 1 12->19         started        21 cmd.exe 12->21         started        file7 signatures8 process9 process10 23 ipconfig.exe 1 17->23         started        26 conhost.exe 17->26         started        28 net.exe 1 19->28         started        30 conhost.exe 19->30         started        32 conhost.exe 21->32         started        dnsIp11 38 192.168.2.1 unknown unknown 23->38 34 net1.exe 1 28->34         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15737d37308fb5a8745afb8c34249e387bad9b1d001f2fcaa44b8c0333286861/
Threat name:
Win32.Downloader.ZLoader
Create hunting rule
Status:
Malicious
First seen:
2020-10-16 13:49:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
zloader
Create hunting rule
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6058c6ad67825611365e2b30a4e8641f898a1f04c3d4edc4fc228ea7a5b5cb20
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782ea4a6943ceafa3d1133c5cbba0bbb6cdd88953ffae7ab89ac8a7f79101e0a
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9fde971b9df0e8944242b3517e851447d1a2ab20e295d33c3355440bd24aad8a
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baeafe5be147b00fb7af31b10ccdd139f17d335d3908c90d62d77668384a8cb2
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c307f86ab5e3cc34c08e557ca6805bd8f0e024516c85b26516a5c35f1c516064
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e328b59a03281b6847e8b69c31833e912320972b7653e5824d6c081a356d2a63
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f541c495c3b6652928198822b24a27cce575ee1c8c2d6a0e42805cdbf8da59e8
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fff929c4f44411e0f8da272f8d1db4593b23acd3c52cf8958792aef9548b4623
ZLoader
+ 21 additional samples on MalwareBazaar
Result
Malware family:
zloader
Create hunting rule
Score:
  10/10
Tags:
trojan botnet family:zloader persistence
Link:
https://tria.ge/reports/201016-qne9lm4nr2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Blacklisted process makes network request
Zloader, Terdot, DELoader, ZeusSphinx
Malware Config
C2 Extraction:
https://fqnceas.su/gate.php
https://fqlocpeas.ru/gate.php
https://dksaiijn.ru/gate.php
https://dksafjasnf.su/gate.php
https://fjsafasfsa.ru/gate.php
https://fjskoijafsa.ru/gate.php
https://kochamkkkras.ru/gate.php
https://uookqihwdid.ru/gate.php
https://iqowijsdakm.ru/gate.php
https://wiewjdmkfjn.ru/gate.php
Unpacked files
SH256 hash:
15737d37308fb5a8745afb8c34249e387bad9b1d001f2fcaa44b8c0333286861
MD5 hash:
1d36338becdf76e5245665e2833d8a38
SHA1 hash:
1c2c449a06873070a3e154069c8a71de3d6e908d
Link:
https://www.unpac.me/results/5c337455-4f77-458d-96a3-dc86d92e73ff/
SH256 hash:
78220df5db66befbc65fab13c7ab0ce7f13988f55a27910f84d78dec122553bd
MD5 hash:
979b20cb876827c16881945b14a6d01f
SHA1 hash:
dc836eae68fdd74ecffd958ff03d5d1c1c3969bc
Detections:
win_zloader_auto
Create hunting rule
Link:
https://www.unpac.me/results/5c337455-4f77-458d-96a3-dc86d92e73ff/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/15737d37308fb5a8745afb8c34249e387bad9b1d001f2fcaa44b8c0333286861

File information

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

ZLoader

Excel file xls 5a74d40bc53d9523af5bdb288339c6e01a487c24a05562f248287477852e9a39

ZLoader

DLL dll 15737d37308fb5a8745afb8c34249e387bad9b1d001f2fcaa44b8c0333286861

(this sample)

  
Dropped by
SHA256 5a74d40bc53d9523af5bdb288339c6e01a487c24a05562f248287477852e9a39
Cape
Cape
https://www.capesandbox.com/analysis/72072/

Comments