MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bf77992cb5af74f79866600f7b578f19d4990a41935e706a0005164daa55a73. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bf77992cb5af74f79866600f7b578f19d4990a41935e706a0005164daa55a73
SHA3-384 hash: baa8734197c692408d3af9ee1bdf9ba8deb04d9c0444026385e9632cf2586765d1ab1c34ddd1742edc2a2bcd73e7792c
SHA1 hash: 47135b31c166001c7b513b94dff3cf086aba95ac
MD5 hash: a16996dac3d95be4c20c9aeb818f1ed5
humanhash: low-gee-crazy-seventeen
File name:BAL SWB Specimen.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:949'760 bytes
First seen:2022-06-09 10:54:23 UTC
Last seen:2022-06-09 12:12:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:C1cngrYoBgJT9WbjAKsP1cqpxvb2+kAiUhJFzDuFsXfJo1mJxRHHE6mRsc9gC8Nq:rntJS381cCb2+55IWXfJYOW
TLSH T1AF15382D7A025A76FD0F8134CD101AC8BB660F633745A98663EF2BD6876F4562F08DC6
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0f0f2b2e834b498 (29 x AgentTesla, 12 x AveMariaRAT, 8 x RedLineStealer)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BAL SWB Specimen.exe
Verdict:
Malicious activity
Analysis date:
2022-06-10 00:00:21 UTC
Tags:
evasion trojan snake
Link:
https://app.any.run/tasks/701cc67b-c24c-4b60-ad34-c9aee68868c9

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/278200/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.94.18059.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62a1d1948e867832d9eb1ad9/reports/af3adac8-34e1-410b-b61b-dafc79b47498/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/56dbe354-1be7-444e-8161-358938c16180
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1010474
Signature
.NET source code references suspicious native API functions
Binary or sample is protected by dotNetProtector
Injects files into Windows application
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
Snort IDS alert for network traffic
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 642968 Sample: BAL SWB Specimen.exe Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 7 other signatures 2->60 7 BAL SWB Specimen.exe 2 2->7         started        10 iexplore.exe 1 2->10         started        process3 file4 44 C:\Users\user\...\BAL SWB Specimen.exe.log, ASCII 7->44 dropped 13 vbc.exe 15 2 7->13         started        17 cmd.exe 3 7->17         started        20 cmd.exe 1 7->20         started        46 C:\Users\user\AppData\...\iexplore.exe.log, ASCII 10->46 dropped 62 Multi AV Scanner detection for dropped file 10->62 64 Machine Learning detection for dropped file 10->64 66 Tries to delay execution (extensive OutputDebugStringW loop) 10->66 68 Injects files into Windows application 10->68 22 vbc.exe 2 10->22         started        24 cmd.exe 10->24         started        26 cmd.exe 1 10->26         started        signatures5 process6 dnsIp7 48 checkip.dyndns.com 158.101.44.242, 49784, 49857, 80 ORACLE-BMC-31898US United States 13->48 50 checkip.dyndns.org 13->50 70 Tries to steal Mail credentials (via file / registry access) 13->70 72 Tries to harvest and steal ftp login credentials 13->72 74 Tries to harvest and steal browser information (history, passwords, etc) 13->74 40 C:\Users\user\AppData\...\iexplore.exe, PE32 17->40 dropped 42 C:\Users\...\iexplore.exe:Zone.Identifier, ASCII 17->42 dropped 28 conhost.exe 17->28         started        76 Uses schtasks.exe or at.exe to add and modify task schedules 20->76 30 conhost.exe 20->30         started        32 schtasks.exe 1 20->32         started        52 checkip.dyndns.org 22->52 34 conhost.exe 24->34         started        36 schtasks.exe 1 24->36         started        38 conhost.exe 26->38         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bf77992cb5af74f79866600f7b578f19d4990a41935e706a0005164daa55a73/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2022-06-09 10:39:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jp3xtewlll3u66mgmyappnly6goutefede26obvaabiwjwvfljzq._file
Verdict:
malicious
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger stealer
Link:
https://tria.ge/reports/220609-mz4lmsbed9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Uses the VBS compiler for execution
Executes dropped EXE
Snake Keylogger
Snake Keylogger Payload
Unpacked files
SH256 hash:
e22e7f09d743e524d134f4b4bbf5f1eb5308a3edb954a40b8aa5e68c7b8cffd4
MD5 hash:
07e1f7163b7d8b6d80d83d1c819436ef
SHA1 hash:
ed7724c52e18b9810939327b803ca03837915836
Link:
https://www.unpac.me/results/2e15531e-5ef8-451d-a1d1-ecbed1c200e8/
Parent samples :
1d16237ed75b507f03609ede9722fff429f9a7386c4c4408a9f47623d7a28b50
7154910c217ddc6b6d3726e066d688288efbcd8682a4ad90556fed2ce9009c69
c5dd4dced21baff9499dac6505a77527ac91dc0b0f187c20e9b960b46b3636b9
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f
SH256 hash:
3895374d375d9ed3d3fa15a8cefaf54b83f5a5571150907974ef0695ec373b12
MD5 hash:
124ffb75458cd5c7dc4bb42325b663a2
SHA1 hash:
9d1514fe361d75c2e7ec9b4d4b82655c94d2abfe
Link:
https://www.unpac.me/results/2e15531e-5ef8-451d-a1d1-ecbed1c200e8/
SH256 hash:
4bf77992cb5af74f79866600f7b578f19d4990a41935e706a0005164daa55a73
MD5 hash:
a16996dac3d95be4c20c9aeb818f1ed5
SHA1 hash:
47135b31c166001c7b513b94dff3cf086aba95ac
Link:
https://www.unpac.me/results/2e15531e-5ef8-451d-a1d1-ecbed1c200e8/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4bf77992cb5a/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/4bf77992cb5af74f79866600f7b578f19d4990a41935e706a0005164daa55a73

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_Babel
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Cape
Cape
https://www.capesandbox.com/analysis/278200/

Comments