MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 275a5d67eb4e4f78c290a259d63cca1f0b9ea0a13abb0ff8b5eb36160f941a79. 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 2 File information Comments

SHA256 hash: 275a5d67eb4e4f78c290a259d63cca1f0b9ea0a13abb0ff8b5eb36160f941a79
SHA3-384 hash: d0cd6a74f1170847eafa638e57215f6b19bb5abbc6a6b9ef74030fa563401275c40ae4939ea1bdd6da2a65dd2de2573d
SHA1 hash: b0c5ab705a65da133357f47327de6cbbcf4021ec
MD5 hash: 4e0b1c1f44001667536804fc2ac0b8ef
humanhash: stream-music-twelve-massachusetts
File name:Draft Documents.exe
Download: download sample
Signature SnakeKeylogger
File size:937'472 bytes
First seen:2022-11-01 15:17:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:EfyqcAgHtDg5xE1W6Nah5NRFFsXNo4f9ke9IRxt8ZsOEWDiiF66UNyo7dOfeia79:iyqI4tKw5nFgi4tAxmPlFANldOGr7
TLSH T1EF159D2826E5521EF2B7DEB927C868A9D6FBF2321706FE5D24500B974712F40CDC127A
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 71e0cccce0ecf871 (5 x AgentTesla, 2 x SnakeKeylogger, 1 x PureCrypter)
Reporter GovCERT_CH
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
351
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Draft Documents.exe
Verdict:
Malicious activity
Analysis date:
2022-11-01 15:18:37 UTC
Tags:
evasion trojan snake

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
Verdict:
Malicious
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
.NET source code references suspicious native API functions
Initial sample is a PE file and has a suspicious name
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735256 Sample: Draft Documents.exe Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 13 other signatures 2->45 7 nbKgiEPdzGD.exe 5 2->7         started        10 Draft Documents.exe 6 2->10         started        process3 file4 47 Multi AV Scanner detection for dropped file 7->47 49 May check the online IP address of the machine 7->49 51 Machine Learning detection for dropped file 7->51 13 nbKgiEPdzGD.exe 14 2 7->13         started        17 schtasks.exe 1 7->17         started        27 C:\Users\user\AppData\...\nbKgiEPdzGD.exe, PE32 10->27 dropped 29 C:\Users\user\AppData\Local\...\tmp23F3.tmp, XML 10->29 dropped 31 C:\Users\user\...\Draft Documents.exe.log, ASCII 10->31 dropped 53 Injects a PE file into a foreign processes 10->53 19 Draft Documents.exe 15 2 10->19         started        21 schtasks.exe 1 10->21         started        signatures5 process6 dnsIp7 33 checkip.dyndns.org 13->33 55 Tries to steal Mail credentials (via file / registry access) 13->55 57 Tries to harvest and steal ftp login credentials 13->57 59 Tries to harvest and steal browser information (history, passwords, etc) 13->59 23 conhost.exe 17->23         started        35 checkip.dyndns.com 132.226.8.169, 49695, 49696, 80 UTMEMUS United States 19->35 37 checkip.dyndns.org 19->37 25 conhost.exe 21->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-01 08:24:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Behaviour
Creates scheduled task(s)
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
Looks up external IP address via web service
Checks computer location settings
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/sendMessage?chat_id=1663822858
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b3454e422911c8df501ac6b23437b455a969c469427233118d23bd1b918bcbd0
MD5 hash:
4f74f09542be47eca97b4c9cc30375c7
SHA1 hash:
ebceeb4b1d74d3d91d1903998ccbba052f9596ca
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
275a5d67eb4e4f78c290a259d63cca1f0b9ea0a13abb0ff8b5eb36160f941a79
MD5 hash:
4e0b1c1f44001667536804fc2ac0b8ef
SHA1 hash:
b0c5ab705a65da133357f47327de6cbbcf4021ec
Malware family:
SnakeKeylogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 275a5d67eb4e4f78c290a259d63cca1f0b9ea0a13abb0ff8b5eb36160f941a79

(this sample)

  
Dropped by
SnakeKeylogger
  
Delivery method
Distributed via e-mail attachment

Comments