MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9da1da3a4fb2050b9b17f5dbb1dd5f334f22637fc8186052d152cc631839f9b. 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



CryptBot


Vendor detections: 9


Intelligence 9 IOCs 2 YARA 1 File information Comments 1

SHA256 hash: e9da1da3a4fb2050b9b17f5dbb1dd5f334f22637fc8186052d152cc631839f9b
SHA3-384 hash: 2d3e841f5a1fa2331d08a37d82a8f6518b14b6360a2beb2523fd75b9807d1fb5ac08c790568254e6be9f7389260e1f5d
SHA1 hash: 81f10260bd4e31981d53316968ac1e155b87cdc0
MD5 hash: a2eba5dc176f110dd7f3658fe3efa3a5
humanhash: ohio-oxygen-cold-indigo
File name:a2eba5dc176f110dd7f3658fe3efa3a5.exe
Download: download sample
Signature CryptBot
File size:369'152 bytes
First seen:2021-05-11 14:05:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e282e474b4b570377c09595ac5d79ff9 (2 x DanaBot, 1 x ArkeiStealer, 1 x CryptBot)
ssdeep 6144:j1QD2Qq01XrQuh3/EUOor9dE4nF72n3R7rGEGQqfK:mD2QF1bQm/TOor/Ei7QB4f
Threatray 557 similar samples on MalwareBazaar
TLSH DE74AE307790C035F5F721F849B6A37DA5297EA05B24A6CB62D42AEE47246E4BC31387
Reporter abuse_ch
Tags:CryptBot exe


Avatar
abuse_ch
CryptBot C2:
http://remdvz22.top/index.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://remdvz22.top/index.php https://threatfox.abuse.ch/ioc/35479/
http://morjgs02.top/index.php https://threatfox.abuse.ch/ioc/35480/

Intelligence


File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending an HTTP GET request
Deleting a recently created file
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Creating a window
Creating a file
Sending a custom TCP request
Reading critical registry keys
Delayed reading of the file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
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:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 411104 Sample: k98gcc6v21.exe Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 47 truzen.space 2->47 49 nailedpizza.top 2->49 51 4 other IPs or domains 2->51 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Antivirus detection for URL or domain 2->63 65 5 other signatures 2->65 8 k98gcc6v21.exe 30 2->8         started        signatures3 process4 dnsIp5 53 g-clean.in 8.209.75.180, 49751, 49753, 49756 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 8->53 55 iplogger.org 88.99.66.31, 443, 49787, 49788 HETZNER-ASDE Germany 8->55 57 2 other IPs or domains 8->57 27 C:\Users\user\AppData\...\58603425861.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\...\30163561687.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\file[1].exe, PE32 8->31 dropped 33 6 other files (3 malicious) 8->33 dropped 71 Detected unpacking (changes PE section rights) 8->71 73 Detected unpacking (overwrites its own PE header) 8->73 75 May check the online IP address of the machine 8->75 13 cmd.exe 1 8->13         started        15 WerFault.exe 9 8->15         started        18 WerFault.exe 9 8->18         started        20 5 other processes 8->20 file6 signatures7 process8 file9 22 58603425861.exe 13->22         started        25 conhost.exe 13->25         started        35 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 15->35 dropped 37 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->37 dropped 39 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->39 dropped 41 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->41 dropped 43 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->43 dropped 45 2 other malicious files 20->45 dropped process10 signatures11 67 Machine Learning detection for dropped file 22->67 69 Sample uses process hollowing technique 22->69
Threat name:
Win32.Ransomware.Sodinokibi
Status:
Malicious
First seen:
2021-05-09 04:03:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
fickerstealer
Score:
  10/10
Tags:
family:cryptbot family:fickerstealer discovery infostealer spyware stealer
Behaviour
Checks processor information in registry
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
CryptBot
CryptBot Payload
Suspicious use of NtCreateProcessExOtherParentProcess
fickerstealer
Malware Config
C2 Extraction:
truzen.space:80
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:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information


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

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-11 15:03:54 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0003.002] Communication Micro-objective::Connect Pipe::Interprocess Communication
1) [C0003.001] Communication Micro-objective::Create Pipe::Interprocess Communication
2) [C0003.003] Communication Micro-objective::Read Pipe::Interprocess Communication
3) [C0003.004] Communication Micro-objective::Write Pipe::Interprocess Communication
4) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
5) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0052] File System Micro-objective::Writes File
10) [C0007] Memory Micro-objective::Allocate Memory
11) [C0033] Operating System Micro-objective::Console
12) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
13) [C0040] Process Micro-objective::Allocate Thread Local Storage
14) [C0043] Process Micro-objective::Check Mutex
15) [C0042] Process Micro-objective::Create Mutex
16) [C0041] Process Micro-objective::Set Thread Local Storage Value
17) [C0018] Process Micro-objective::Terminate Process
18) [C0039] Process Micro-objective::Terminate Thread