MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 213b9b73afda58d8da041be3fd5d5daba2808793f43162ab608a2e1f73b9f9c7. 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: 213b9b73afda58d8da041be3fd5d5daba2808793f43162ab608a2e1f73b9f9c7
SHA3-384 hash: cca39f153e8a82573a42317621a5d61415f0e893827bc326b06d606b5bb043400e4216226e521045f2d322f4e6a4127e
SHA1 hash: e51ca18fee8d292de4527e7dc0d0d50e8dda80b3
MD5 hash: e808179f3d5d77bf964e6db5841e7ff7
humanhash: april-kentucky-edward-dakota
File name:Revised Proforma Invoice.exe
Download: download sample
Signature SnakeKeylogger
File size:633'856 bytes
First seen:2022-10-20 10:32:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:e33MtLdiM2YPP27lf7A/gSo2+FWK3YFGPhmN4n3j+UToEP2CM:cMtB7qA/D+FZ3YAPhmSnTVS
Threatray 4'844 similar samples on MalwareBazaar
TLSH T1E6D4D07E226CCF1FCD7A1975C401414183F18A627255FBAEBEF3A0EA59D235D4B21E0A
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 f0f0e8d8d4e4f4f0 (16 x Formbook, 11 x SnakeKeylogger, 8 x AgentTesla)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Revised Proforma Invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-10-20 10:39:15 UTC
Tags:
trojan evasion snake keylogger

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

Behaviour
Creating a window
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
DNS request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
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 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: 726721 Sample: Revised Proforma Invoice.exe Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 11 other signatures 2->53 7 AcjtdSIyt.exe 5 2->7         started        10 Revised Proforma Invoice.exe 6 2->10         started        process3 file4 55 Multi AV Scanner detection for dropped file 7->55 57 May check the online IP address of the machine 7->57 59 Machine Learning detection for dropped file 7->59 13 AcjtdSIyt.exe 14 2 7->13         started        17 schtasks.exe 1 7->17         started        19 AcjtdSIyt.exe 7->19         started        33 C:\Users\user\AppData\Roaming\AcjtdSIyt.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\...\tmp272E.tmp, XML 10->35 dropped 37 C:\Users\...\Revised Proforma Invoice.exe.log, ASCII 10->37 dropped 61 Injects a PE file into a foreign processes 10->61 21 Revised Proforma Invoice.exe 15 2 10->21         started        23 schtasks.exe 1 10->23         started        25 svchost.exe 1 10->25         started        27 Revised Proforma Invoice.exe 10->27         started        signatures5 process6 dnsIp7 39 158.101.44.242, 49726, 80 ORACLE-BMC-31898US United States 13->39 41 checkip.dyndns.org 13->41 63 Tries to steal Mail credentials (via file / registry access) 13->63 65 Tries to harvest and steal ftp login credentials 13->65 67 Tries to harvest and steal browser information (history, passwords, etc) 13->67 29 conhost.exe 17->29         started        43 checkip.dyndns.com 132.226.247.73, 49719, 80 UTMEMUS United States 21->43 45 checkip.dyndns.org 21->45 31 conhost.exe 23->31         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-10-20 02:46:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
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
Program crash
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
caa8d91f362042090ef444ea91fe39fe709c38f2daa6bdd6b10342bee3f581ae
MD5 hash:
8f5a7d204363502711899b9015275e06
SHA1 hash:
9222c5cdf67b4afe4a1e15249a7263e5f6ebd11a
Detections:
snake_keylogger
SH256 hash:
3418330f789a035a0c8ae2500a3516ce1cade29622c063fb4b47a135ffdec2b2
MD5 hash:
709a1884b5b1c0aa83a9d8bef4df74c2
SHA1 hash:
85502e6d7aa35c87f9c7220e55dd275c976a3753
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
SH256 hash:
213b9b73afda58d8da041be3fd5d5daba2808793f43162ab608a2e1f73b9f9c7
MD5 hash:
e808179f3d5d77bf964e6db5841e7ff7
SHA1 hash:
e51ca18fee8d292de4527e7dc0d0d50e8dda80b3
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 213b9b73afda58d8da041be3fd5d5daba2808793f43162ab608a2e1f73b9f9c7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments