MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7538c1641168a73906c017c7e840834aa498335c83f4c344b7375272f02ad15. 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: 8


Intelligence 8 IOCs 2 YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7538c1641168a73906c017c7e840834aa498335c83f4c344b7375272f02ad15
SHA3-384 hash: a556dd6f29c0c4d3f9e24778b44a8fe5f76454dd2a6ba694616a0b5ed9d6975e8382fadfa90dad05ab8cf81bf703fa0a
SHA1 hash: 2a7caeb14462e8fd72c6e84d0fcbb8331cb7665e
MD5 hash: 7e9d57f98e3b8378f3bf8e5beee0d1fa
humanhash: mockingbird-five-ten-zulu
File name:7e9d57f98e3b8378f3bf8e5beee0d1fa.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:769'536 bytes
First seen:2021-05-23 11:00:40 UTC
Last seen:2021-05-23 12:02:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 504bef34255b8691aaec7482375c58bb (1 x CryptBot, 1 x TeamBot, 1 x FickerStealer)
ssdeep 12288:jCyAt//sfXQjcu0XufpulvO3y1ATh9P2HyutzL7VG5qmEXI2kKrPU29DpAOy5OXx:GyQ2XQFZAlvR1ATzP2HzzFG5qmE42nPj
Threatray 144 similar samples on MalwareBazaar
TLSH D8F4E020F6A0C035E1BF56B06ABD82B9A43A7DE1DB6440FF12C63AE946345E59D3074F
Reporter abuse_ch
Tags:CryptBot exe


Avatar
abuse_ch
CryptBot C2:
http://soglvu72.top/index.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://soglvu72.top/index.php https://threatfox.abuse.ch/ioc/57587/
http://moreru07.top/index.php https://threatfox.abuse.ch/ioc/57588/

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7e9d57f98e3b8378f3bf8e5beee0d1fa.exe
Verdict:
Malicious activity
Analysis date:
2021-05-23 11:09:54 UTC
Tags:
stealer trojan loader
Link:
https://app.any.run/tasks/b1645623-7df5-40e1-814c-b0e12546a29d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Mal.GandCrypt-B.12035.31814.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
DNS request
Sending an HTTP POST request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Stealing user critical data
Result
Verdict:
UNKNOWN
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/789525
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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 malware configuration
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 421921 Sample: TD2tvt4tqC.exe Startdate: 23/05/2021 Architecture: WINDOWS Score: 100 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 Multi AV Scanner detection for submitted file 2->88 90 9 other signatures 2->90 12 TD2tvt4tqC.exe 48 2->12         started        17 SmartClock.exe 2->17         started        19 SmartClock.exe 2->19         started        process3 dnsIp4 78 soglvu72.top 34.73.205.209, 49730, 80 GOOGLEUS United States 12->78 80 moreru07.top 35.229.92.135, 49731, 80 GOOGLEUS United States 12->80 82 doumbw10.top 35.230.23.35, 49732, 49733, 80 GOOGLEUS United States 12->82 70 C:\Users\user\AppData\Local\Temp\vMMjok.exe, PE32 12->70 dropped 106 Detected unpacking (changes PE section rights) 12->106 108 Detected unpacking (overwrites its own PE header) 12->108 110 Tries to harvest and steal browser information (history, passwords, etc) 12->110 21 cmd.exe 1 12->21         started        24 cmd.exe 1 12->24         started        file5 signatures6 process7 signatures8 92 Submitted sample is a known malware sample 21->92 94 Obfuscated command line found 21->94 96 Uses ping.exe to sleep 21->96 98 Uses ping.exe to check the status of other devices and networks 21->98 26 vMMjok.exe 25 21->26         started        30 conhost.exe 21->30         started        32 conhost.exe 24->32         started        34 timeout.exe 1 24->34         started        process9 file10 62 C:\Users\user\AppData\Local\Temp\...\vpn.exe, PE32 26->62 dropped 64 C:\Users\user\AppData\Local\Temp\...\4.exe, PE32 26->64 dropped 66 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 26->66 dropped 68 3 other files (none is malicious) 26->68 dropped 100 Antivirus detection for dropped file 26->100 36 vpn.exe 7 26->36         started        38 4.exe 4 26->38         started        signatures11 process12 file13 41 cmd.exe 1 36->41         started        60 C:\Users\user\AppData\...\SmartClock.exe, PE32 38->60 dropped 43 SmartClock.exe 38->43         started        process14 process15 45 cmd.exe 3 41->45         started        48 conhost.exe 41->48         started        signatures16 102 Obfuscated command line found 45->102 104 Uses ping.exe to sleep 45->104 50 PING.EXE 1 45->50         started        53 Finita.exe.com 45->53         started        55 findstr.exe 1 45->55         started        process17 dnsIp18 72 127.0.0.1 unknown unknown 50->72 57 Finita.exe.com 53->57         started        process19 dnsIp20 74 192.168.2.1 unknown unknown 57->74 76 NYcZHXcaDtMcduAOJZ.NYcZHXcaDtMcduAOJZ 57->76
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7538c1641168a73906c017c7e840834aa498335c83f4c344b7375272f02ad15/
Threat name:
Win32.Trojan.Caynamer
Create hunting rule
Status:
Malicious
First seen:
2021-05-23 11:01:13 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=65jyyfsbc2fhhedmaf6h5baigsvetazvza7uynclon2solycvukq._file
Verdict:
suspicious
Similar samples:
497c07b12b4e7f9082b872ef2aac2e9619f1dbc82c94993724cd246dd54b38c4
CryptBot
65cb803d8339bc32863bd557a882cf2016ad7945b18f344aeb94860ca8f6b235
CryptBot
79a2018e882db101500e8f932582227c1b4ba49b8f85bb303b77a749d9647ad4
CryptBot
8a9ed010aa3db217f81dfa4d928863eef5cac1165dab6c03258948b8ef019435
CryptBot
8cec146d7a7b594cf7748b35c63ea1fed2c994ef2cdbb5731f1b15d9c9fa1ee3
CryptBot
acf5a0702538d69871c917a13a45effbcc2dd9161578b270a6b56f8447062dbf
CryptBot
ae9aabd03661ced937c594cf83df2303a5991e3c2382474111e69322e6f22f32
CryptBot
e9da1da3a4fb2050b9b17f5dbb1dd5f334f22637fc8186052d152cc631839f9b
CryptBot
fa83c0bb710987cdf1c5ed15400d938bc818d20c34af9e96e8cd99fc2ac3a172
CryptBot
fc2a8472021c1f37e7ba14fd51259d37d10bd030ecd33134ebf42d3279ab860a
CryptBot
+ 134 additional samples on MalwareBazaar
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery spyware stealer
Link:
https://tria.ge/reports/210523-zbsztab95x/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
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
Downloads MZ/PE file
Executes dropped EXE
CryptBot
CryptBot Payload
Suspicious use of NtCreateProcessExOtherParentProcess
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f7538c1641168a73906c017c7e840834aa498335c83f4c344b7375272f02ad15

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 f7538c1641168a73906c017c7e840834aa498335c83f4c344b7375272f02ad15

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1270750/
  
Delivery method
Distributed via web download

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-23 12:09:08 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) [C0047] File System Micro-objective::Delete File
4) [C0049] File System Micro-objective::Get File Attributes
5) [C0051] File System Micro-objective::Read File
6) [C0052] File System Micro-objective::Writes File
7) [C0033] Operating System Micro-objective::Console
8) [C0040] Process Micro-objective::Allocate Thread Local Storage
9) [C0043] Process Micro-objective::Check Mutex
10) [C0041] Process Micro-objective::Set Thread Local Storage Value
11) [C0018] Process Micro-objective::Terminate Process
12) [C0039] Process Micro-objective::Terminate Thread