MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21a27023f4316ff356a2ff7d5c8ef5431d65217da4496820d8865666fe8cd11e. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21a27023f4316ff356a2ff7d5c8ef5431d65217da4496820d8865666fe8cd11e
SHA3-384 hash: 3fe70dd0db27322f9198b67e741e084defc0735f3c5d6ea4ea93400ff3fd7256aff2892ad9129eef638b578d3378b488
SHA1 hash: 7ea1041d0287adcfe5189fcc6f84cb449220647c
MD5 hash: ff0a0fb60f802d18b357b8b3506909de
humanhash: michigan-batman-maine-stairway
File name:ff0a0fb60f802d18b357b8b3506909de.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:600'576 bytes
First seen:2021-07-28 18:02:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fdf275278b640b60b73411e8ed566cf (2 x CryptBot, 2 x RaccoonStealer, 1 x Loki)
ssdeep 12288:2XoxQ9UJJrIU9/wL6Zzil5DtDELVsLffMjiOc5ogA5bssQ:2uQ98TJFuZsVsLkmVodJss
Threatray 387 similar samples on MalwareBazaar
TLSH T15FD40120B6D1C034F1F352F54ABA9368B93E7A721B3491CB62D566EA46747E8DC30387
dhash icon ead8a89cc6e68ea0 (25 x RaccoonStealer, 8 x DanaBot, 8 x RedLineStealer)
Reporter abuse_ch
Tags:CryptBot exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ff0a0fb60f802d18b357b8b3506909de.exe
Verdict:
Malicious activity
Analysis date:
2021-07-28 18:36:40 UTC
Tags:
stealer trojan
Link:
https://app.any.run/tasks/a5b04a2a-2358-4627-9fa7-f5a93759e3da

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/174765/
Detection(s):
Win.Malware.Generic-9881904-0
Create hunting rule

Win.Malware.Generic-9881959-0
Create hunting rule

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.
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6231bd9c-b948-4a27-96b5-15268f25db03
Result
Threat name:
Clipboard Hijacker Cryptbot Glupteba
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/823395
Signature
Delayed program exit found
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 submitted file
Obfuscated command line found
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Submitted sample is a known malware sample
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Clipboard Hijacker
Yara detected Cryptbot
Yara detected Glupteba
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 455814 Sample: G9hSGNAq4D.exe Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 101 Malicious sample detected (through community Yara rule) 2->101 103 Multi AV Scanner detection for submitted file 2->103 105 Detected unpacking (overwrites its own PE header) 2->105 107 9 other signatures 2->107 12 G9hSGNAq4D.exe 48 2->12         started        17 SmartClock.exe 2->17         started        19 rundll32.exe 2->19         started        21 SmartClock.exe 2->21         started        process3 dnsIp4 89 winxob04.top 45.131.46.175, 49768, 49769, 80 NTC-ASRU Russian Federation 12->89 91 ewayab32.top 93.99.104.183, 49766, 80 LIBERTYGLOBALLibertyGlobalformerlyUPCBroadbandHolding Czech Republic 12->91 93 morxeg03.top 135.125.191.12, 49767, 80 AVAYAUS United States 12->93 79 C:\Users\user\AppData\Local\Temp\Filett.exe, PE32 12->79 dropped 81 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 12->81 dropped 119 Detected unpacking (overwrites its own PE header) 12->119 121 Tries to harvest and steal browser information (history, passwords, etc) 12->121 23 Filett.exe 25 12->23         started        27 cmd.exe 1 12->27         started        file5 signatures6 process7 file8 69 C:\Users\user\AppData\Local\Temp\...\vpn.exe, PE32 23->69 dropped 71 C:\Users\user\AppData\Local\Temp\...\4.exe, PE32 23->71 dropped 73 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 23->73 dropped 75 3 other files (none is malicious) 23->75 dropped 111 Machine Learning detection for dropped file 23->111 29 vpn.exe 1 6 23->29         started        31 4.exe 4 23->31         started        113 Submitted sample is a known malware sample 27->113 115 Obfuscated command line found 27->115 34 conhost.exe 27->34         started        36 timeout.exe 1 27->36         started        signatures9 process10 file11 38 cmd.exe 1 29->38         started        40 cmd.exe 1 29->40         started        83 C:\Users\user\AppData\...\SmartClock.exe, PE32 31->83 dropped 42 SmartClock.exe 31->42         started        process12 process13 44 cmd.exe 3 38->44         started        47 conhost.exe 38->47         started        49 conhost.exe 40->49         started        signatures14 117 Obfuscated command line found 44->117 51 Veda.exe.com 44->51         started        54 findstr.exe 1 44->54         started        57 choice.exe 1 44->57         started        process15 file16 109 May check the online IP address of the machine 51->109 59 Veda.exe.com 3 19 51->59         started        67 C:\Users\user\AppData\Local\...\Veda.exe.com, Targa 54->67 dropped signatures17 process18 dnsIp19 85 ip-api.com 208.95.112.1, 49777, 80 TUT-ASUS United States 59->85 87 nULmPlSLTBiT.nULmPlSLTBiT 59->87 77 C:\Users\user\AppData\...\bvwhiiiimp.vbs, ASCII 59->77 dropped 63 wscript.exe 59->63         started        file20 process21 dnsIp22 95 iplogger.org 88.99.66.31, 443, 49778 HETZNER-ASDE Germany 63->95 97 System process connects to network (likely due to code injection or exploit) 63->97 99 May check the online IP address of the machine 63->99 signatures23
Gathering data
Threat name:
Win32.Trojan.Caynamer
Create hunting rule
Status:
Malicious
First seen:
2021-07-28 07:29:43 UTC
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=egrhai7ugfx7gvvc756vzdxvimowkil5urewqigyqzlgn7um2epa._file
Verdict:
malicious
Similar samples:
17cb52ffccb7fb8d9480f921392f29d520ec9a7c963a7ff8791328ba7638d22f
CryptBot
1a1473655a8c5bd91dd85a303d458cae759a73b50dbc635a0f3da25dfbd17297
CryptBot
2afd735ca5d2ad8a8478c4832e4827b150e30d5f0b7c1dc174ce934017ee1d76
CryptBot
32e6aeda569edacaf5dea7f815c7e22e32ba8b7992bb787b68149cf0b06d273c
CryptBot
463a368c85c49254ec2a84f7a042c3ec68353b7e0280ba464701ca13a7391c5b
CryptBot
5ae264a5e12c7eb4d1ff850aba54812c279b9a6eaceb66635db25adaf05b9c09
CryptBot
7c3ec59724f79c69f7bb889f8dac9e89a45ad3629a25c954c26905b5b953e3f5
CryptBot
8f3d3f32d4bda55c2fbac65a2c8f944e5837b1e74b0d45082a5fddca888223b4
CryptBot
d2b955fca821c2d34342ca8bc610bda82a15676a0b44f5de15c78ee6b7de7e6b
CryptBot
fe0921df62f37332cab9e56fbbfe050e204e196e55eb323657c1f0469a6ff27b
CryptBot
+ 377 additional samples on MalwareBazaar
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery persistence spyware stealer suricata
Link:
https://tria.ge/reports/210728-8q585ys7v2/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Deletes itself
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
CryptBot
CryptBot Payload
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware Config
C2 Extraction:
ewayab32.top
morxeg03.top
Unpacked files
SH256 hash:
cb7b8e5cb94dc052742e8f86a65d404b3c77ac184362d598b72765815ab4fabf
MD5 hash:
5c027f2a83c724ca9cbbb035f68dc903
SHA1 hash:
dbf4df0e356f2e313be6f6f0e06e57c8b8d4c81b
Detections:
win_cryptbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/8acd10cd-28f1-4d3b-8ec6-b4284860a77b/
Parent samples :
21a27023f4316ff356a2ff7d5c8ef5431d65217da4496820d8865666fe8cd11e
1572ca8f4bf2788214713ed2f8f3f7da579a76fd335a7ce898dde275ef4f9739
48ab70d33532409f5394c271fe0fba6234b15b36584234d5b595b9791972bec1
SH256 hash:
21a27023f4316ff356a2ff7d5c8ef5431d65217da4496820d8865666fe8cd11e
MD5 hash:
ff0a0fb60f802d18b357b8b3506909de
SHA1 hash:
7ea1041d0287adcfe5189fcc6f84cb449220647c
Link:
https://www.unpac.me/results/8acd10cd-28f1-4d3b-8ec6-b4284860a77b/
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/21a27023f4316ff356a2ff7d5c8ef5431d65217da4496820d8865666fe8cd11e

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:win_cryptbot_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cryptbot.

File information

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

Web download

CryptBot

Executable exe 21a27023f4316ff356a2ff7d5c8ef5431d65217da4496820d8865666fe8cd11e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1485388/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/174765/

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