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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41420d040d1bae3a9ef3f3ea4a4bc80b0ad3186d84ec067e36e7f485d26f2629. 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



CryptXXX


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: 41420d040d1bae3a9ef3f3ea4a4bc80b0ad3186d84ec067e36e7f485d26f2629
SHA3-384 hash: 23509081fdcf365dc82adf450fa2549ee6bd312c900a12364ee2503f46944d6210eeec61b190d4f3f3054849dcc14b67
SHA1 hash: 12bef40a06323256fc0e903503a49f4623af7dcb
MD5 hash: c27f23181c3ebd80f3dae27d88b86267
humanhash: mexico-queen-romeo-batman
File name:41420d040d1bae3a9ef3f3ea4a4bc80b0ad3186d84ec067e36e7f485d26f2629
Download: download sample
Signature CryptXXX
File size:228'352 bytes
First seen:2022-12-21 12:47:27 UTC
Last seen:2022-12-21 14:29:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 480e15f1c0ffcaef8e7a03e98c1830ef (1 x Conti, 1 x CryptXXX)
ssdeep 3072:8Cut7gBHz/0OUGyQkRACh3Uim7ef10wYaGyeG7sGcMBIGv:3udgBHz/pUNlRAC+bu1iaGy3Jv
TLSH T10124F801F11FDBEAD69303BC4957A602BDBB36912B208EE783844A705D0B1D57AEDF91
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter petikvx
Tags:CryptXXX exe Ransomware

Intelligence


File Origin
# of uploads :
2
# of downloads :
610
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Launching a service
Creating a file
Changing a file
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying an executable file
Moving a recently created file
Sending a custom TCP request
Reading critical registry keys
Creating a file in the mass storage device
Stealing user critical data
Encrypting user's files
Forced shutdown of a browser
Infecting executable files
Verdict:
No Threat
Threat level:
  2/10
Confidence:
60%
Tags:
greyware
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.expl
Score:
68 / 100
Signature
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Behaviour
Behavior Graph:
Threat name:
Win64.Ransomware.ContiCrypt
Status:
Malicious
First seen:
2022-12-19 23:04:05 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops startup file
Reads user/profile data of web browsers
Modifies extensions of user files
Unpacked files
SH256 hash:
41420d040d1bae3a9ef3f3ea4a4bc80b0ad3186d84ec067e36e7f485d26f2629
MD5 hash:
c27f23181c3ebd80f3dae27d88b86267
SHA1 hash:
12bef40a06323256fc0e903503a49f4623af7dcb
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:QbotStuff
Author:anonymous

File information


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

Comments