MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ca258662fae313fda4a04e18f233da990e7fbac5139713c583db16625b401e0. 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: 7


Intelligence 7 IOCs 2 YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ca258662fae313fda4a04e18f233da990e7fbac5139713c583db16625b401e0
SHA3-384 hash: 4f03815ff31f661e60fe5845c7abdae7a08a2a6ffd6ab98350c70de9b3a0605725695761dfed80d80cc7405ef2dcef94
SHA1 hash: 438b3869c7c64312fb16c95c795152565b0752cd
MD5 hash: f52fb25c0c2ea7af29c25570f12ca40c
humanhash: hotel-fourteen-angel-seven
File name:f52fb25c0c2ea7af29c25570f12ca40c.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:703'488 bytes
First seen:2021-04-18 07:05:16 UTC
Last seen:2021-04-18 07:44:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 192738ec1a66db321b02680b2ef64e0c (2 x FickerStealer, 1 x DanaBot, 1 x CryptBot)
ssdeep 12288:5v5gLeyGxBK0xyue+NUo/G1On50lH/S8ILOmvc56hjTGvbNo:B5gLeyGxM0xdVNUoT5kf0yYcmKho
Threatray 148 similar samples on MalwareBazaar
TLSH 19E412203381C0B3D4835AB2D129C7B64DBA74B559237ECBBBD95BB91F617D0623270A
Reporter abuse_ch
Tags:CryptBot exe


Avatar
abuse_ch
CryptBot C2:
http://auffji62.top/index.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://auffji62.top/index.php https://threatfox.abuse.ch/ioc/8854/
http://marsav06.top/index.php https://threatfox.abuse.ch/ioc/8857/

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f52fb25c0c2ea7af29c25570f12ca40c.exe
Verdict:
Malicious activity
Analysis date:
2021-04-18 07:09:12 UTC
Tags:
stealer
Link:
https://app.any.run/tasks/456308d5-60b2-4c67-9b70-b595afa0281d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CryptBot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/137504/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36727109.26009.21216.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file
Delayed reading of the file
Reading critical registry keys
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP POST request
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:
Cryptbot Glupteba
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/684562
Signature
Antivirus detection for URL or domain
Contains functionality to register a low level keyboard hook
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
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
Obfuscated command line found
Submitted sample is a known malware sample
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Cryptbot
Yara detected Glupteba
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 391230 Sample: UaP06r6EIs.exe Startdate: 18/04/2021 Architecture: WINDOWS Score: 100 75 iplogger.org 2->75 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus detection for URL or domain 2->93 95 Multi AV Scanner detection for dropped file 2->95 97 11 other signatures 2->97 12 UaP06r6EIs.exe 50 2->12         started        17 SmartClock.exe 2->17         started        19 SmartClock.exe 2->19         started        signatures3 process4 dnsIp5 83 auffji62.top 34.106.56.30, 49760, 80 GOOGLEUS United States 12->83 85 awuasb09.top 35.230.174.9, 49765, 49766, 80 GOOGLEUS United States 12->85 87 marsav06.top 35.230.85.144, 49764, 80 GOOGLEUS United States 12->87 69 C:\Users\user\AppData\Local\Temp\Largus.exe, PE32 12->69 dropped 71 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 12->71 dropped 115 Detected unpacking (changes PE section rights) 12->115 117 Detected unpacking (overwrites its own PE header) 12->117 119 Tries to harvest and steal browser information (history, passwords, etc) 12->119 21 Largus.exe 19 12->21         started        25 cmd.exe 1 12->25         started        file6 signatures7 process8 file9 61 C:\Users\user\AppData\Local\Temp\...\vpn.exe, PE32 21->61 dropped 63 C:\Users\user\AppData\Local\Temp\...\4.exe, PE32 21->63 dropped 65 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 21->65 dropped 99 Multi AV Scanner detection for dropped file 21->99 101 Machine Learning detection for dropped file 21->101 27 vpn.exe 7 21->27         started        29 4.exe 4 21->29         started        103 Submitted sample is a known malware sample 25->103 105 Obfuscated command line found 25->105 107 Uses ping.exe to sleep 25->107 109 Uses ping.exe to check the status of other devices and networks 25->109 32 conhost.exe 25->32         started        34 timeout.exe 1 25->34         started        signatures10 process11 file12 36 cmd.exe 1 27->36         started        38 makecab.exe 1 27->38         started        73 C:\Users\user\AppData\...\SmartClock.exe, PE32 29->73 dropped 40 SmartClock.exe 29->40         started        process13 process14 42 cmd.exe 3 36->42         started        45 conhost.exe 36->45         started        47 conhost.exe 38->47         started        signatures15 111 Obfuscated command line found 42->111 113 Uses ping.exe to sleep 42->113 49 Capace.exe.com 42->49         started        52 PING.EXE 42->52         started        55 findstr.exe 1 42->55         started        process16 dnsIp17 89 May check the online IP address of the machine 49->89 58 Capace.exe.com 49->58         started        77 127.0.0.1 unknown unknown 52->77 67 C:\Users\user\AppData\...\Capace.exe.com, Targa 55->67 dropped file18 signatures19 process20 dnsIp21 79 yXdVVTfFBQaFjIFOfWY.yXdVVTfFBQaFjIFOfWY 58->79 81 ip-api.com 208.95.112.1, 49770, 80 TUT-ASUS United States 58->81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ca258662fae313fda4a04e18f233da990e7fbac5139713c583db16625b401e0/
Gathering data
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsrfqzrpvyyt7wskatqy6iz5vgiop65mke4xcpcyhwywmjnuahqa._file
Verdict:
suspicious
Similar samples:
0bdb7a98c650426ff70b666a8a1f28b421a6135e729a70baf87a5c126fbd788a
CryptBot
12f0a80b6374b38a3997a7ef4528f26ccbca664b26e48533e7d1f36c78da76f4
CryptBot
2549a77da6044da546c72b7ac45f4335aac97e953424a9913d6a2e7477869e33
CryptBot
26e294b557033c04b7a9039b6e2ef1ec35f8c3ec1a06be3d7b73ddd3ff10395c
CryptBot
4b6f69b3ade95902351f28e2862234569b3ddd1166b1e936441b530524a32c33
CryptBot
a2d3a21b0f2d7e34ea7498d45676f0e9879e734910c55fd38d1b815bccbe2fda
CryptBot
ac2c2e2b67deca31d1f61ff956ef8b676fa733da9c682f26fbda28b46c6e6f63
CryptBot
c3fd41da298b657f36085d828012a94c9979400b753c028eb26d0a6fb50b05bb
CryptBot
c76d25be072f587dec61a182dbb0c485e1e8c66bccd1a613bb548c64172fa3cb
CryptBot
ec7db23abe0578993c032c1c962db58d72bc1cdcb8401d33e60e92f784defb75
CryptBot
+ 138 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/210418-eweczh46e6/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
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_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_CryptBot
Create hunting rule
Author:ditekSHen
Description:CryptBot/Fugrafa stealer payload
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:with_sqlite
Create hunting rule
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information

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

Web download

CryptBot

Executable exe 4ca258662fae313fda4a04e18f233da990e7fbac5139713c583db16625b401e0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1127420/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/137504/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-18 08:36:06 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0012.001] Anti-Static Analysis::Argument Obfuscation
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0049] File System Micro-objective::Get File Attributes
4) [C0051] File System Micro-objective::Read File
5) [C0052] File System Micro-objective::Writes File
6) [C0007] Memory Micro-objective::Allocate Memory
7) [C0033] Operating System Micro-objective::Console
8) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
9) [C0040] Process Micro-objective::Allocate Thread Local Storage
10) [C0041] Process Micro-objective::Set Thread Local Storage Value
11) [C0018] Process Micro-objective::Terminate Process