MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722. 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


SnakeKeylogger


Vendor detections: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722
SHA3-384 hash: 486deffd08a0366ffef55a63bce2fb231b5c56ad19bdce4afcb9755fdc33407742f3d17a51eaf2d38e87854ce47f2591
SHA1 hash: f22729b5b442119a1de75e12af90e3d97a1de68c
MD5 hash: 6948d3ae7ef630dd997b7d09e17159a0
humanhash: purple-red-nitrogen-fish
File name:U1su8hmVj4ourFo.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:713'216 bytes
First seen:2023-11-01 06:17:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:6p11OhPAWlfRexM/YUPH6NFusNkmXuQcKyHQu:6O5AWlfRAFNMSMQcKBu
TLSH T14DE47B68A156C899F65F437291ECFFB013B271E3E1C8C75792A82284D7D9FD60D8128E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon cc133317372b7673 (18 x SnakeKeylogger, 4 x PureCrypter, 2 x Formbook)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
U1su8hmVj4ourFo.exe
Verdict:
Malicious activity
Analysis date:
2023-11-01 09:06:44 UTC
Tags:
evasion snake
Link:
https://app.any.run/tasks/94947816-4cd3-48b3-907e-deb1aecf148e

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/457471/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
lolbin packed rundll32
Link:
https://www.filescan.io/uploads/6541ed9db95974e822294e4c/reports/d94cb83a-23e1-4b70-a738-05abe4a5a618/overview
Verdict:
Malicious
Labled as:
Matrioska.Generic
Link:
https://www.hybrid-analysis.com/sample/b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee19ee8e-5430-4d58-a4e9-469d5ae10bce
Result
Threat name:
Snake Keylogger, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335197
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335197 Sample: U1su8hmVj4ourFo.exe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 43 checkip.dyndns.org 2->43 45 freegeoip.live 2->45 47 3 other IPs or domains 2->47 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 11 other signatures 2->59 8 U1su8hmVj4ourFo.exe 6 2->8         started        12 ovQRCl.exe 4 2->12         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\ovQRCl.exe, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmp7A66.tmp, XML 8->41 dropped 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 8->63 65 Writes to foreign memory regions 8->65 73 2 other signatures 8->73 14 MSBuild.exe 15 2 8->14         started        17 powershell.exe 23 8->17         started        19 schtasks.exe 1 8->19         started        21 MSBuild.exe 8->21         started        67 Antivirus detection for dropped file 12->67 69 Multi AV Scanner detection for dropped file 12->69 71 Machine Learning detection for dropped file 12->71 23 schtasks.exe 12->23         started        25 MSBuild.exe 12->25         started        27 MSBuild.exe 12->27         started        signatures6 process7 dnsIp8 49 checkip.dyndns.com 158.101.44.242, 49713, 49718, 80 ORACLE-BMC-31898US United States 14->49 51 freegeoip.live 149.28.226.123, 443, 49714, 49721 AS-CHOOPAUS United States 14->51 29 WerFault.exe 23 16 14->29         started        31 conhost.exe 17->31         started        33 conhost.exe 19->33         started        35 conhost.exe 23->35         started        37 WerFault.exe 25->37         started        process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722/
Threat name:
ByteCode-MSIL.Trojan.Matrioska
Create hunting rule
Status:
Malicious
First seen:
2022-11-10 07:23:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
65
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xde2ifq6syq543t7uf3sgc6tqqnfowqa6bcwwvhpvm3iarshs4ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger family:zgrat keylogger rat stealer
Link:
https://tria.ge/reports/231101-g2lkysdf49/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Detect ZGRat V1
Snake Keylogger
Snake Keylogger payload
ZGRat
Malware Config
C2 Extraction:
https://api.telegram.org/bot5764904494:AAFs_l-L1X-oXjUJWZbsXjBMAreHGetTJvw/sendMessage?chat_id=5582419717
Unpacked files
SH256 hash:
3a84517997799b3dfe8b2274ec83ba8cc4e995a155d88bbfa995290057542663
MD5 hash:
abe0d125d7462d11a55f9db0150b5a41
SHA1 hash:
bb8e45045d86fb195d7ffb500150082fb0c49ccf
Link:
https://www.unpac.me/results/ca28fc6c-d8ea-4df5-a9a9-7f65c63adc59/
SH256 hash:
aeab98bcb59c1bb62de93c98810bb53ef38fbf0eb8ac241ea63c01c62877f151
MD5 hash:
22ac621f9980f77b7d10d8270607143e
SHA1 hash:
2e5fbbfd030db333b6a602012c025562871f9dca
Detections:
snake_keylogger
Create hunting rule
win_404keylogger_g1
Create hunting rule
Link:
https://www.unpac.me/results/ca28fc6c-d8ea-4df5-a9a9-7f65c63adc59/
Parent samples :
ec0be7b7b2dc0a162eee2673bb94370a8b7eef222856ceeed9126f123050d1fb
b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722
SH256 hash:
3a5dd7a1c6090d5a85e5d7e937257910380cf3d2bd2154e9a73b0e593b61169a
MD5 hash:
53e59d2c37ccc8b58741672542b37207
SHA1 hash:
802a41cb80c70c658da9f6c78acd1e49ee3ebdfc
Link:
https://www.unpac.me/results/ca28fc6c-d8ea-4df5-a9a9-7f65c63adc59/
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
Link:
https://www.unpac.me/results/ca28fc6c-d8ea-4df5-a9a9-7f65c63adc59/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/ca28fc6c-d8ea-4df5-a9a9-7f65c63adc59/
SH256 hash:
b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722
MD5 hash:
6948d3ae7ef630dd997b7d09e17159a0
SHA1 hash:
f22729b5b442119a1de75e12af90e3d97a1de68c
Link:
https://www.unpac.me/results/ca28fc6c-d8ea-4df5-a9a9-7f65c63adc59/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8c9a4161e96/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/b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722

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

SnakeKeylogger

Executable exe b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/457471/

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