MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca6c55e6ed8c734262c0e712a5de2f8d22f19300512fb20ab801c488ea86d8d7. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca6c55e6ed8c734262c0e712a5de2f8d22f19300512fb20ab801c488ea86d8d7
SHA3-384 hash: 2ca4ae1fee62893495d27091a50c8f9168641795971f5e4f548f04c1917aa0a1b20303e675d149cd3d660a4b298ba008
SHA1 hash: 6d1c455bf104768ec3b94e10336d9fecb912014d
MD5 hash: 6fa2dbc20d0e297054756a4e5bbb3cac
humanhash: finch-missouri-massachusetts-music
File name:Halkbank_Ekstre_20220601_082357_541076.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:24'064 bytes
First seen:2022-06-05 08:05:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:WZZGch9bQtU6UHppHY+0tdeZlqHSiAHjHaH4HPHyHeDzGHHHHeTE:wGcnb9HLY+0t4LR8
Threatray 4'250 similar samples on MalwareBazaar
TLSH T183B2604FA679D02EC8E00F7B462ED2B1F1317C1CD1A1535C2FCBBB1B1ABA7905A01966
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)
File icon (PE):PE icon
dhash icon 99168e8e9686968e (2 x SnakeKeylogger, 1 x AsyncRAT, 1 x a310Logger)
Reporter abuse_ch
Tags:exe geo Halkbank SnakeKeylogger TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20220601_082357_541076.exe
Verdict:
Malicious activity
Analysis date:
2022-06-05 08:06:13 UTC
Tags:
evasion trojan snake
Link:
https://app.any.run/tasks/757a6446-e05d-4a05-8aba-c63cf47bd0fe

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/276729/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Forced system process termination
Running batch commands
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/629c63fee6995f35700ebefa/reports/bc691631-a4de-48c6-ab37-28906d389067/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/b610208b-03f8-47a7-b9a1-a8131431b458
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1006829
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 639325 Sample: Halkbank_Ekstre_20220601_08... Startdate: 05/06/2022 Architecture: WINDOWS Score: 100 84 Snort IDS alert for network traffic 2->84 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 9 other signatures 2->90 7 Bwusrnah.exe 3 2->7         started        11 Bwusrnah.exe 14 4 2->11         started        13 Halkbank_Ekstre_20220601_082357_541076.exe 16 7 2->13         started        process3 dnsIp4 70 162.159.130.233, 443, 49774 CLOUDFLARENETUS United States 7->70 92 Writes to foreign memory regions 7->92 94 Allocates memory in foreign processes 7->94 96 Injects a PE file into a foreign processes 7->96 16 InstallUtil.exe 7->16         started        34 2 other processes 7->34 72 162.159.134.233, 443, 49773 CLOUDFLARENETUS United States 11->72 98 Multi AV Scanner detection for dropped file 11->98 20 InstallUtil.exe 11->20         started        22 cmd.exe 11->22         started        24 powershell.exe 11->24         started        74 cdn.discordapp.com 162.159.133.233, 443, 49731 CLOUDFLARENETUS United States 13->74 54 C:\Users\user\AppData\...\Bwusrnah.exe, PE32 13->54 dropped 56 C:\Users\...\Bwusrnah.exe:Zone.Identifier, ASCII 13->56 dropped 58 Halkbank_Ekstre_20...2357_541076.exe.log, ASCII 13->58 dropped 26 InstallUtil.exe 14 2 13->26         started        28 InstallUtil.exe 13->28         started        30 cmd.exe 1 13->30         started        32 powershell.exe 15 13->32         started        file5 signatures6 process7 dnsIp8 60 158.101.44.242, 49784, 80 ORACLE-BMC-31898US United States 16->60 62 checkip.dyndns.org 16->62 76 Tries to steal Mail credentials (via file / registry access) 16->76 78 Tries to harvest and steal ftp login credentials 16->78 80 Tries to harvest and steal browser information (history, passwords, etc) 16->80 64 checkip.dyndns.org 20->64 36 conhost.exe 22->36         started        38 timeout.exe 22->38         started        40 conhost.exe 24->40         started        66 checkip.dyndns.com 193.122.130.0, 49772, 49782, 80 ORACLE-BMC-31898US United States 26->66 68 checkip.dyndns.org 26->68 82 May check the online IP address of the machine 28->82 42 conhost.exe 30->42         started        44 timeout.exe 1 30->44         started        46 conhost.exe 32->46         started        48 conhost.exe 34->48         started        50 conhost.exe 34->50         started        52 timeout.exe 34->52         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca6c55e6ed8c734262c0e712a5de2f8d22f19300512fb20ab801c488ea86d8d7/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-01 15:44:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zjwflzxnrrzueywa44jklxrprurpdeyakex3ecvyahcir2ug3dlq._file
Verdict:
malicious
Similar samples:
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b48c018d252b5974a13a65c6b67856d4f2059a90499f65037a63324e4a42001c
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dd8397817060d60b60429fc0351e01ea17cb7fdcd363c53b4fc038bb445397dc
SnakeKeylogger
+ 4'240 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger persistence stealer
Link:
https://tria.ge/reports/220605-jzeezaddar/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Snake Keylogger
Snake Keylogger Payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5589950287:AAEgf72mwdX0T60ZZ-O8RgGzWg2iFpEJ0Kg/sendMessage?chat_id=5388276304
Unpacked files
SH256 hash:
ca6c55e6ed8c734262c0e712a5de2f8d22f19300512fb20ab801c488ea86d8d7
MD5 hash:
6fa2dbc20d0e297054756a4e5bbb3cac
SHA1 hash:
6d1c455bf104768ec3b94e10336d9fecb912014d
Link:
https://www.unpac.me/results/3b65225b-9fc9-430d-a966-39f4843fe3fa/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca6c55e6ed8c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/ca6c55e6ed8c734262c0e712a5de2f8d22f19300512fb20ab801c488ea86d8d7

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_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

SnakeKeylogger

Executable exe ca6c55e6ed8c734262c0e712a5de2f8d22f19300512fb20ab801c488ea86d8d7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276729/

Comments