MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e37d7372a97df9e3955837eeae856489541aab815dffabc00bbc72af6483e9b. 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



Vjw0rm


Vendor detections: 13


Intelligence 13 IOCs 1 YARA 7 File information Comments

SHA256 hash: 2e37d7372a97df9e3955837eeae856489541aab815dffabc00bbc72af6483e9b
SHA3-384 hash: 0d9eec2309f8c403de18d99e61504834ac431e3ee66eeb1a5295bfd64fa3c703596445abe87b5aa82cd2efaa3189cf1f
SHA1 hash: 29a36ac35cdd13203b584e4f1176802a8bd999ef
MD5 hash: 6c6d3758452aa4500bd4186d02a54bbd
humanhash: angel-mississippi-florida-fourteen
File name:9f40a90db5c7da1cc2ced7e23df53ec3.com.exe
Download: download sample
Signature Vjw0rm
File size:1'416'908 bytes
First seen:2022-10-12 13:21:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:0AOcZ2i7sBG5TH4AI8saogP5+OE8YqZWyqTr+Mo5pemHI0Yuyqgm:iQYAIoh+OE8Yq+xo5EmHWqZ
Threatray 2'079 similar samples on MalwareBazaar
TLSH T1D5651213B7C688B3D1B22D310D36AB116D79B9310E24DB1FA7E81DBEDE74581A124B63
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0d8ec9898f0d8aa (9 x Formbook, 6 x NanoCore, 3 x Vjw0rm)
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://129.204.138.203:7974/Vre

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://129.204.138.203:7974/Vre https://threatfox.abuse.ch/ioc/880363/

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2e37d7372a97df9e3955837eeae856489541aab815dffabc00bbc72af6483e9b.exe
Verdict:
Malicious activity
Analysis date:
2022-10-12 21:44:11 UTC
Tags:
n/a

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
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Creating a file
Launching a process
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Drops script or batch files to the startup folder
Found API chain indicative of sandbox detection
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: VjW0rm
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
Yara detected AntiVM autoit script
Yara detected VjW0rm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 721690 Sample: 9f40a90db5c7da1cc2ced7e23df... Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for dropped file 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 other signatures 2->56 10 9f40a90db5c7da1cc2ced7e23df53ec3.com.exe 3 43 2->10         started        13 wscript.exe 12 2->13         started        process3 file4 44 C:\Users\user\AppData\Local\...\kkuai.exe, PE32 10->44 dropped 46 C:\Users\user\AppData\Local\Temp\...\rfil.js, ASCII 10->46 dropped 16 wscript.exe 1 13 10->16         started        21 wscript.exe 1 10->21         started        64 System process connects to network (likely due to code injection or exploit) 13->64 66 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 13->66 signatures5 process6 dnsIp7 48 129.204.138.203, 49695, 49696, 7974 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 16->48 42 C:\Users\user\AppData\Roaming\...\rfil.js, ASCII 16->42 dropped 58 Drops script or batch files to the startup folder 16->58 60 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 16->60 23 kkuai.exe 1 4 21->23         started        file8 signatures9 process10 signatures11 62 Found API chain indicative of sandbox detection 23->62 26 wscript.exe 23->26         started        28 mshta.exe 23->28         started        30 mshta.exe 23->30         started        32 5 other processes 23->32 process12 process13 34 kkuai.exe 26->34         started        process14 36 mshta.exe 34->36         started        38 mshta.exe 34->38         started        40 mshta.exe 34->40         started       
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2022-10-12 13:22:38 UTC
File Type:
PE (Exe)
Extracted files:
109
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vjw0rm persistence trojan worm
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Vjw0rm
Malware Config
C2 Extraction:
http://129.204.138.203:7974
Gathering data
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
SH256 hash:
60000e99e9171008fdb6b1f6344776dcaebe59f4725cbd8d2e96b0624af99703
MD5 hash:
71e3254357e832b6aca5677772f2005b
SHA1 hash:
a7078f67c2f9b9181804a837ccf89e3283641a66
SH256 hash:
beef90df84644edc59b92caa7908c53337b5e067dffe39c711c8a9f3bd40bdf9
MD5 hash:
b3e7022b210dd1f550f4757c9d3581f1
SHA1 hash:
ff1263538816530fc8be35510a268ee8fab84ed5
SH256 hash:
9bcb6c33663f005b60df3e1188a3b6727c3b2d940756bf14107be51bca997b47
MD5 hash:
e35338fe056add81e9457f7e65780dbd
SHA1 hash:
c28857e0388422189eda509106448eea633295ed
SH256 hash:
2e37d7372a97df9e3955837eeae856489541aab815dffabc00bbc72af6483e9b
MD5 hash:
6c6d3758452aa4500bd4186d02a54bbd
SHA1 hash:
29a36ac35cdd13203b584e4f1176802a8bd999ef
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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Author:ditekSHen
Description:Detects A310Logger
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information


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

Comments