MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9daf88d6bf23e8a364ae873b6fd8e6f51cdb8d5ee57ba502a564e71f1bc00c10. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9daf88d6bf23e8a364ae873b6fd8e6f51cdb8d5ee57ba502a564e71f1bc00c10
SHA3-384 hash: f610c9a36ad97dcc2e20b0909377ba92e7ca8bd68fb3c2010842dbeb9e7707b318de22cb44e35e3903e52b03b9757f8d
SHA1 hash: 118060f3ce88ccf0b7d9d1777b5e93948d4b15fd
MD5 hash: 90189f8dffe3cbfbb1dc181647b2219b
humanhash: robin-spring-crazy-zebra
File name:90189f8dffe3cbfbb1dc181647b2219b
Download: download sample
Signature CryptBot
Create hunting rule
File size:2'458'992 bytes
First seen:2023-03-29 17:22:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:SdyOaWSMdZo5NYyyVo6cc0WwZ/ct3mW2ny/v/LtGZsYjot0hq+BMGzHOMJWv+pA+:SdyO++HiqAMe/i/09y/6j
TLSH T17FB58DF26193FDCAD72F1D9480042940EC00296797ACD65CFDCA26BB93E9614EF6C9B1
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e4dc9898dcd871b2 (1 x ParallaxRAT, 1 x XFilesStealer, 1 x RemcosRAT)
Reporter abuse_ch
Tags:90189f8dffe3cbfbb1dc181647b2219b CryptBot exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
90189f8dffe3cbfbb1dc181647b2219b
Verdict:
Malicious activity
Analysis date:
2023-03-29 17:26:16 UTC
Tags:
cryptbot opendir
Link:
https://app.any.run/tasks/9b68ca35-fb50-474e-9773-2a8c2c46ffd4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/378510/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Creating a window
Creating a file in the %temp% directory
DNS request
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Searching for analyzing tools
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed
Link:
https://www.filescan.io/uploads/642473f80dc8b8a71cf77f2b/reports/57af3e31-da31-41ca-a73d-856716923966/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/9daf88d6bf23e8a364ae873b6fd8e6f51cdb8d5ee57ba502a564e71f1bc00c10
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5d3eb517-afa3-46a4-a787-6950ba41c6bc
Result
Threat name:
Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1204537
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to change the desktop window for a process (likely to hide graphical interactions)
Found C&C like URL pattern
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Yara detected Cryptbot
Yara detected CryptbotV2
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 837449 Sample: rK3YBmWZcC.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 9 other signatures 2->53 9 rK3YBmWZcC.exe 3 2->9         started        process3 file4 39 C:\Users\user\AppData\...\rK3YBmWZcC.exe.log, ASCII 9->39 dropped 67 Self deletion via cmd or bat file 9->67 69 Contains functionality to change the desktop window for a process (likely to hide graphical interactions) 9->69 71 Injects a PE file into a foreign processes 9->71 13 rK3YBmWZcC.exe 78 9->13         started        18 rK3YBmWZcC.exe 9->18         started        signatures5 process6 dnsIp7 43 ivyhur32.top 47.90.163.198, 49699, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 13->43 45 womheq04.top 185.246.220.246, 49700, 80 LVLT-10753US Germany 13->45 41 C:\Users\user\AppData\Roaming\...\favism.exe, PE32 13->41 dropped 73 Self deletion via cmd or bat file 13->73 20 cmd.exe 1 13->20         started        22 cmd.exe 1 13->22         started        file8 signatures9 process10 process11 24 favism.exe 7 20->24         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        file12 37 C:\Users\user\AppData\...\DpEditor.exe, PE32 24->37 dropped 61 Query firmware table information (likely to detect VMs) 24->61 63 Hides threads from debuggers 24->63 65 Tries to detect sandboxes / dynamic malware analysis system (registry check) 24->65 34 DpEditor.exe 24->34         started        signatures13 process14 signatures15 55 Query firmware table information (likely to detect VMs) 34->55 57 Hides threads from debuggers 34->57 59 Tries to detect sandboxes / dynamic malware analysis system (registry check) 34->59
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9daf88d6bf23e8a364ae873b6fd8e6f51cdb8d5ee57ba502a564e71f1bc00c10/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 17:23:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=twxyrvv7epukgzfoq45w7whg6uonxdk64v52kavfmttr6g6abqia._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer themida trojan
Link:
https://tria.ge/reports/230329-vx5d6ahc26/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Malware Config
C2 Extraction:
http://ivyhur32.top/gate.php
Unpacked files
SH256 hash:
58aaf8d19b6a68e9c711f1d0ebe8cf9a719b0cf1cd641f0f799ec1ac96abd717
MD5 hash:
668dcad8a0c614748c55800fdcd0de38
SHA1 hash:
dc260b63d9ad5eefc1df689a0ed1878eff7e62ad
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/466c23f7-c7dc-463e-89e0-eb531340d1ba/
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
Link:
https://www.unpac.me/results/466c23f7-c7dc-463e-89e0-eb531340d1ba/
SH256 hash:
ecb427922025ec0749a2761d10474ae1b48769815bb9f2ccb5db0915c5a2b22f
MD5 hash:
0d1441cad65fe704bd087eacee79aa66
SHA1 hash:
c496240876fa01b821f2a399fefd068632e713a7
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/466c23f7-c7dc-463e-89e0-eb531340d1ba/
SH256 hash:
59b70def6986bd34006a901f1e0e122fd8370c8275c03cbee9106217ef84a7f4
MD5 hash:
e0158c7a6355dfa2d81d9b20ebc49ca8
SHA1 hash:
114b73847a2dfde0993c47c137e827ddeff912c2
Link:
https://www.unpac.me/results/466c23f7-c7dc-463e-89e0-eb531340d1ba/
SH256 hash:
9daf88d6bf23e8a364ae873b6fd8e6f51cdb8d5ee57ba502a564e71f1bc00c10
MD5 hash:
90189f8dffe3cbfbb1dc181647b2219b
SHA1 hash:
118060f3ce88ccf0b7d9d1777b5e93948d4b15fd
Link:
https://www.unpac.me/results/466c23f7-c7dc-463e-89e0-eb531340d1ba/
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/9daf88d6bf23e8a364ae873b6fd8e6f51cdb8d5ee57ba502a564e71f1bc00c10

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. 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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/378510/

Comments