MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c81c9bd9850332b46f61a11e0d66c13b250a19722eedbb06f74dd90f50d35745. 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


Socks5Systemz


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c81c9bd9850332b46f61a11e0d66c13b250a19722eedbb06f74dd90f50d35745
SHA3-384 hash: fcb9f70f5902478ec8c3d5eb0758b6ac4492d01a3573a5e390fe0119afe31850bd45b48f3725326cf8c9fcb42b29e32a
SHA1 hash: 0172e0dad0885853f96537c48c13ffad7f0edddd
MD5 hash: 25f4ee43811380e2751264b50370dd50
humanhash: music-cardinal-edward-yellow
File name:25f4ee43811380e2751264b50370dd50.exe
Download: download sample
Signature Socks5Systemz
Create hunting rule
File size:2'892'357 bytes
First seen:2024-02-26 15:30:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'463 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:1qY8qqt0TIpXv+QmojvDKripqXvPH+gzEKIG3geV5zCdkL+iRNSIqInOWNcIu5+:IYgDmkuupqXHBEfLevCdkL++qWOWNPB
TLSH T1B9D53363E2726239CD51CEF01901629069EF3F951732B10836DC9E6B9A5773BB52E3C2
TrID 76.2% (.EXE) Inno Setup installer (107240/4/30)
10.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter abuse_ch
Tags:exe Socks5Systemz


Avatar
abuse_ch
Socks5Systemz C2:
93.123.39.219:80

Intelligence

File Origin
# of uploads :
1
# of downloads :
310
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477839/
Detection(s):
SecuriteInfo.com.Downloader.Agent2.BJXB.15489.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Searching for synchronization primitives
Creating a file
Moving a recently created file
Modifying a system file
Creating a service
Enabling autorun for a service
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65dcaeb7781f571646440e97/reports/e2fb6237-0d62-40df-805a-878b262ba4c7/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c81c9bd9850332b46f61a11e0d66c13b250a19722eedbb06f74dd90f50d35745
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/d42967f1-3044-42a3-a5dc-534f4e6ebd62
Result
Threat name:
Socks5Systemz
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1398890
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to infect the boot sector
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found API chain indicative of debugger detection
Machine Learning detection for dropped file
Snort IDS alert for network traffic
Yara detected Socks5Systemz
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1398890 Sample: oN0KnnxyoP.exe Startdate: 26/02/2024 Architecture: WINDOWS Score: 88 44 time.windows.com 2->44 48 Snort IDS alert for network traffic 2->48 50 Yara detected Socks5Systemz 2->50 52 Machine Learning detection for dropped file 2->52 8 oN0KnnxyoP.exe 2 2->8         started        11 svchost.exe 2->11         started        14 svchost.exe 2->14         started        16 5 other processes 2->16 signatures3 process4 file5 42 C:\Users\user\AppData\...\oN0KnnxyoP.tmp, PE32 8->42 dropped 18 oN0KnnxyoP.tmp 21 28 8->18         started        62 Changes security center settings (notifications, updates, antivirus, firewall) 11->62 21 MpCmdRun.exe 2 11->21         started        signatures6 process7 file8 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 18->32 dropped 34 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 18->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 18->36 dropped 38 19 other files (18 malicious) 18->38 dropped 23 livecd32.exe 1 2 18->23         started        27 livecd32.exe 1 17 18->27         started        30 conhost.exe 21->30         started        process9 dnsIp10 40 C:\ProgramData\...\WBICreatorService 6.6.exe, PE32 23->40 dropped 54 Detected unpacking (changes PE section rights) 23->54 56 Detected unpacking (overwrites its own PE header) 23->56 58 Machine Learning detection for dropped file 23->58 60 2 other signatures 23->60 46 ejajfue.ua 93.123.39.219, 49705, 49706, 49707 NET1-ASBG Bulgaria 27->46 file11 signatures12
Score:
22%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/c81c9bd9850332b46f61a11e0d66c13b250a19722eedbb06f74dd90f50d35745
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c81c9bd9850332b46f61a11e0d66c13b250a19722eedbb06f74dd90f50d35745/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-02-26 15:31:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zaojxwmfamzli33buepa2zwbhmsquglsf3w3wbxxjxmq6ugtk5cq._file
Verdict:
malicious
Result
Malware family:
socks5systemz
Create hunting rule
Score:
  10/10
Tags:
family:socks5systemz botnet discovery
Link:
https://tria.ge/reports/240226-sx2bdshh4w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Detect Socks5Systemz Payload
Socks5Systemz
Malware Config
C2 Extraction:
http://ceubsiv.net/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923b6f87f910c5ec92
http://bdzdwrb.com/search/?q=67e28dd86b5bf32c420dad497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef718c6ee90993b
http://bdzdwrb.com/search/?q=67e28dd86b5bf32c420dad497c27d78406abdd88be4b12eab517aa5c96bd86ee9d8e49875a8bbc896c58e713bc90c91836b5281fc235a925ed3e07d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ef9d933dcc6a9516
Unpacked files
SH256 hash:
cb59e41f1dea37ace158943c9cec4ca72124f4d9afafadf6debe05984cf96ce6
MD5 hash:
5c1e64823274becfe67ee15d4a1cb19e
SHA1 hash:
79ead64a2c50d0e721e09a12d21a6c7b540dbfe9
Link:
https://www.unpac.me/results/a1d175c2-0a66-41b3-a777-6a973a070caa/
SH256 hash:
69aa9c5f1faa03749345863775f7e067ea328a37e437668fd5eed26732f34fae
MD5 hash:
2d5b50d6a7ac1b198da29009c6718b69
SHA1 hash:
be0f74a308ee7062d40d0bd97ec9e05f3aae1db5
Detections:
INDICATOR_EXE_Packed_VMProtect
Create hunting rule
Link:
https://www.unpac.me/results/a1d175c2-0a66-41b3-a777-6a973a070caa/
SH256 hash:
44b8e6a310564338968158a1ed88c8535dece20acb06c5e22d87953c261dfed0
MD5 hash:
9c8886759e736d3f27674e0fff63d40a
SHA1 hash:
ceff6a7b106c3262d9e8496d2ab319821b100541
Link:
https://www.unpac.me/results/a1d175c2-0a66-41b3-a777-6a973a070caa/
SH256 hash:
e4fc574a01b272c2d0aed0ec813f6d75212e2a15a5f5c417129dd65d69768f40
MD5 hash:
c8871efd8af2cf4d9d42d1ff8fadbf89
SHA1 hash:
d0eacd5322c036554d509c7566f0bcc7607209bd
Link:
https://www.unpac.me/results/a1d175c2-0a66-41b3-a777-6a973a070caa/
SH256 hash:
a131af4460de9caac754ceb0ce3dc9704efe4083b152b6f8befddff7502ab3c8
MD5 hash:
2c9adfe308330dc7a68735f8bdfdb10c
SHA1 hash:
ded9562c6b051204ba174877fe40deabcd12035d
Link:
https://www.unpac.me/results/a1d175c2-0a66-41b3-a777-6a973a070caa/
SH256 hash:
17a40571de7ecf1d1d1f57b1a180d0173c0505f8fdb24672645ffed32b08b334
MD5 hash:
ff882069b90eae74afa9a123b194e8cd
SHA1 hash:
93c1ae382252457898b6fbbb9fa2f9d16094813e
Link:
https://www.unpac.me/results/a1d175c2-0a66-41b3-a777-6a973a070caa/
SH256 hash:
ef16f709280859169778700278e6c29dfccf104e14753d60a5905c89b38aba59
MD5 hash:
5281fe730ffae05144765c893c2c3239
SHA1 hash:
3ecb1ef2e3b2a5d0a7ff250cc693bf7461288e8a
Link:
https://www.unpac.me/results/a1d175c2-0a66-41b3-a777-6a973a070caa/
SH256 hash:
c81c9bd9850332b46f61a11e0d66c13b250a19722eedbb06f74dd90f50d35745
MD5 hash:
25f4ee43811380e2751264b50370dd50
SHA1 hash:
0172e0dad0885853f96537c48c13ffad7f0edddd
Link:
https://www.unpac.me/results/a1d175c2-0a66-41b3-a777-6a973a070caa/
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/c81c9bd9850332b46f61a11e0d66c13b250a19722eedbb06f74dd90f50d35745

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_VMProtect
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Web download

Socks5Systemz

Executable exe c81c9bd9850332b46f61a11e0d66c13b250a19722eedbb06f74dd90f50d35745

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2758623/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2770372/
  
URLhaus
https://urlhaus.abuse.ch/url/2766920/
Cape
Cape
https://www.capesandbox.com/analysis/477839/

Comments