MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4d12f7651490366dd4430430b8717d532d87ec3d1f3fd3cd0d722120b10cd81. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4d12f7651490366dd4430430b8717d532d87ec3d1f3fd3cd0d722120b10cd81
SHA3-384 hash: 847d7285cacab4ef390d44df7c2049b0bb86307cd999bfb67a0995b5f8530dbda7e064fc5ccca2275b9d85f6e37dfe9b
SHA1 hash: 385574067d93acc1c655677939ed29fa73b6946b
MD5 hash: 648832c7ba2b6caea4b46dd98707b680
humanhash: fruit-one-purple-hydrogen
File name:crypt now.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:343'552 bytes
First seen:2022-11-16 17:50:06 UTC
Last seen:2022-11-16 19:52:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:eUoGtHGBkuri/tJaiSJecUFnEs4/hnqlSco9QAymhJXh1+wh8Gk27:3HwkwMAtfs4pqlnOxh1+K
Threatray 5'573 similar samples on MalwareBazaar
TLSH T1B674E1988FD99A64F61CA7FEA090423487B8A3D23113F61597A4E4E62C3F3305D166DF
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
crypt now.exe
Verdict:
Malicious activity
Analysis date:
2022-11-16 17:51:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d5b6bf15-881e-4c41-a598-1894aa72dcc4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/334959/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.6572.12835.10072.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the process to change network settings
Searching for synchronization primitives
Sending a custom TCP request
Creating a window
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6375230707c3f5e84a017bad/reports/67301b51-59d0-4855-a8c0-94d43e289156/overview
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:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc9bdee4-e3ba-4ee0-b469-b8243ab35162
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1115108
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
Contains functionality to register a low level keyboard hook
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Capture Wi-Fi password
Sigma detected: Copy file to startup via Powershell
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 747804 Sample: crypt now.exe Startdate: 16/11/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Sigma detected: Capture Wi-Fi password 2->58 60 14 other signatures 2->60 8 crypt now.exe 3 2->8         started        11 P.ORDER.exe 3 2->11         started        process3 file4 38 C:\Users\user\AppData\...\crypt now.exe.log, ASCII 8->38 dropped 13 powershell.exe 14 8->13         started        17 crypt now.exe 15 4 8->17         started        20 P.ORDER.exe 14 2 11->20         started        22 powershell.exe 3 11->22         started        24 P.ORDER.exe 11->24         started        process5 dnsIp6 40 C:\Users\user\...\P.ORDER.exe:Zone.Identifier, Unknown 13->40 dropped 42 C:\Users\user\AppData\Roaming\...\P.ORDER.exe, Unknown 13->42 dropped 62 Drops PE files to the startup folder 13->62 64 Powershell drops PE file 13->64 26 conhost.exe 13->26         started        44 checkip.dyndns.com 132.226.8.169, 49701, 80 UTMEMUS United States 17->44 46 checkip.dyndns.org 17->46 52 4 other IPs or domains 17->52 66 Tries to harvest and steal WLAN passwords 17->66 28 netsh.exe 3 17->28         started        48 193.122.6.168, 49728, 80 ORACLE-BMC-31898US United States 20->48 50 checkip.dyndns.org 20->50 68 Tries to steal Mail credentials (via file / registry access) 20->68 70 Tries to harvest and steal ftp login credentials 20->70 72 Tries to harvest and steal browser information (history, passwords, etc) 20->72 30 netsh.exe 3 20->30         started        32 conhost.exe 22->32         started        file7 signatures8 process9 process10 34 conhost.exe 28->34         started        36 conhost.exe 30->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4d12f7651490366dd4430430b8717d532d87ec3d1f3fd3cd0d722120b10cd81/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-11-16 09:27:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utis65srjebwnxkegbbqxbyx2uznq7wd2hz72pgq24rbecyqzwaq._file
Verdict:
malicious
Similar samples:
0e29669b57713393df41674e76baa95d05515070f13eb65bfb83671c111050da
SnakeKeylogger
0e2f39cdfe57c0086f2affcfbe3801ebb46938b47a6d73ffe98f734632fd7ed8
SnakeKeylogger
25b5ccc7a10d92c004fab41bea29a9fd4842abb02b56a76b5dc5a1cdc7d25730
SnakeKeylogger
3d643f99064c4f37df835920535fe10e6875dc5c8e3179a307d03edf43d11442
SnakeKeylogger
449238734fa329e17dfa46fc52b056f4871acbb4594c55a5eff63a7bccfc34f3
SnakeKeylogger
4e4937d04ce933221fad993e7db49a096f11cefbe11c593da9041d5e375d6119
SnakeKeylogger
55c9999640440b6cc08e607397893601551fe37b32452b5c058178a24e07821f
SnakeKeylogger
85728f1c1858118257d7f499e8b2c87bd03d4343d05dc2005ed14243644bbd4a
SnakeKeylogger
+ 5'563 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/221116-we5smscb99/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a3506abd-3d22-4a07-a2f5-f45f45187507
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/85b27fc5-3ee1-4035-a0ce-bed43bc7dd15/
SH256 hash:
cf229a7bb867e3f86dec0bfcfd58ac73428c0f08bda8312cd009fa098c3b759a
MD5 hash:
2f82d4d5049e245b329523dcec761b96
SHA1 hash:
49fe246a45e5073dc254993996537bbd3b909031
Detections:
snake_keylogger
Create hunting rule
Link:
https://www.unpac.me/results/85b27fc5-3ee1-4035-a0ce-bed43bc7dd15/
SH256 hash:
cf41fc55993d0ce9b07d287b384f76f0a43383c222275d1ed9f44b6f096cd3ff
MD5 hash:
096da529f89d0dc66c5aeede6233d23a
SHA1 hash:
259dc00c40396b9862af3d50a3cf838033f64027
Link:
https://www.unpac.me/results/85b27fc5-3ee1-4035-a0ce-bed43bc7dd15/
SH256 hash:
a4d12f7651490366dd4430430b8717d532d87ec3d1f3fd3cd0d722120b10cd81
MD5 hash:
648832c7ba2b6caea4b46dd98707b680
SHA1 hash:
385574067d93acc1c655677939ed29fa73b6946b
Link:
https://www.unpac.me/results/85b27fc5-3ee1-4035-a0ce-bed43bc7dd15/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a4d12f7651490366dd4430430b8717d532d87ec3d1f3fd3cd0d722120b10cd81

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_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_SnakeKeylogger
Create hunting rule
Author:ditekSHen
Description:Detects Snake Keylogger
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/334959/

Comments