MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4c1611cb53460b6e745cc05101f83a834d66d78462fff9b190cff9727784700. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4c1611cb53460b6e745cc05101f83a834d66d78462fff9b190cff9727784700
SHA3-384 hash: d8fa4fae0aad36b980eb66f0aab7dd20d230d30f2bc69eff96946f37b1a4fd355672f64440e706c34c1a3a453070c21d
SHA1 hash: a1ff752ec748ca0dae13b861b8bbc3da61fc7c8c
MD5 hash: af12a5b1fb40fb31e4f8979b0a4cb42c
humanhash: freddie-freddie-wyoming-ink
File name:af12a5b1fb40fb31e4f8979b0a4cb42c.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:776'192 bytes
First seen:2021-07-27 15:47:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fbe702755e2fb4e20a84826fa92fd750 (2 x CryptBot, 1 x DanaBot, 1 x CobaltStrike)
ssdeep 12288:H2IovgjeluRYwmJewARd/aBscxvzSbTw3IYlCsETpouGeOZ6fhVTcQjTW:AgjelJfAyscM/gCsETpoveOuhVTNP
Threatray 433 similar samples on MalwareBazaar
TLSH T160F4F1207AA0C039F2F712F44575A3BDA53ABEB19B3450CF12E52AEA56346E5EC31347
dhash icon ead8ac9cc6e68ee0 (118 x RaccoonStealer, 102 x RedLineStealer, 46 x Smoke Loader)
Reporter abuse_ch
Tags:CryptBot exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
af12a5b1fb40fb31e4f8979b0a4cb42c.exe
Verdict:
Malicious activity
Analysis date:
2021-07-27 16:16:57 UTC
Tags:
trojan
Link:
https://app.any.run/tasks/1fa1997c-b267-4464-bf41-2a5f86066ea9

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/174435/
Detection(s):
Win.Packed.Generic-9881681-0
Create hunting rule

Win.Packed.Generic-9881693-0
Create hunting rule

Win.Packed.Mokes-9881739-0
Create hunting rule

Win.Packed.Mokes-9881749-0
Create hunting rule

Win.Packed.Mokes-9881758-0
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
Running batch commands
Creating a process with a hidden window
Launching a process
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.
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6d4bc627-2ab8-4d98-bd49-7f951246393f
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/822492
Signature
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
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: 454906 Sample: a0iZfZOnAi.exe Startdate: 27/07/2021 Architecture: WINDOWS Score: 100 70 Malicious sample detected (through community Yara rule) 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 11 other signatures 2->76 9 a0iZfZOnAi.exe 48 2->9         started        14 SmartClock.exe 2->14         started        16 SmartClock.exe 2->16         started        process3 dnsIp4 64 winezo01.top 194.87.99.16, 49748, 49749, 80 MTW-ASRU Russian Federation 9->64 66 ewaisg12.top 93.99.104.183, 49742, 80 LIBERTYGLOBALLibertyGlobalformerlyUPCBroadbandHolding Czech Republic 9->66 68 morvay01.top 195.58.39.239, 49746, 80 FLEX-ASRU Russian Federation 9->68 56 C:\Users\user\AppData\Local\...\ejdmbpuT.exe, PE32 9->56 dropped 88 Detected unpacking (overwrites its own PE header) 9->88 90 Tries to harvest and steal browser information (history, passwords, etc) 9->90 18 cmd.exe 1 9->18         started        20 cmd.exe 1 9->20         started        file5 signatures6 process7 process8 22 ejdmbpuT.exe 25 18->22         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 timeout.exe 1 20->30         started        file9 48 C:\Users\user\AppData\Local\Temp\...\vpn.exe, PE32 22->48 dropped 50 C:\Users\user\AppData\Local\Temp\...\4.exe, PE32 22->50 dropped 52 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 22->52 dropped 54 3 other files (none is malicious) 22->54 dropped 78 Antivirus detection for dropped file 22->78 80 Multi AV Scanner detection for dropped file 22->80 82 Machine Learning detection for dropped file 22->82 32 vpn.exe 3 19 22->32         started        36 4.exe 4 22->36         started        signatures10 process11 dnsIp12 58 ip-api.com 208.95.112.1, 49753, 80 TUT-ASUS United States 32->58 60 192.168.2.1 unknown unknown 32->60 44 C:\Users\user\AppData\Local\...\ywgmyis.vbs, ASCII 32->44 dropped 38 wscript.exe 12 32->38         started        46 C:\Users\user\AppData\...\SmartClock.exe, PE32 36->46 dropped 42 SmartClock.exe 36->42         started        file13 process14 dnsIp15 62 iplogger.org 88.99.66.31, 443, 49754 HETZNER-ASDE Germany 38->62 84 System process connects to network (likely due to code injection or exploit) 38->84 86 May check the online IP address of the machine 38->86 signatures16
Gathering data
Threat name:
Win32.Trojan.Caynamer
Create hunting rule
Status:
Malicious
First seen:
2021-07-27 01:54:00 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=utawchfvgrqlnz2fzqcrah4dva2nm3lyiyx77gyzbt7zoj3yi4aa._file
Verdict:
malicious
Similar samples:
2afd735ca5d2ad8a8478c4832e4827b150e30d5f0b7c1dc174ce934017ee1d76
CryptBot
7304be70f4e18d91047e2ee07944ac60dd018f35cc4321634b160e0ca39c28d4
CryptBot
8cec146d7a7b594cf7748b35c63ea1fed2c994ef2cdbb5731f1b15d9c9fa1ee3
CryptBot
a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3
CryptBot
e9da1da3a4fb2050b9b17f5dbb1dd5f334f22637fc8186052d152cc631839f9b
CryptBot
fa83c0bb710987cdf1c5ed15400d938bc818d20c34af9e96e8cd99fc2ac3a172
CryptBot
fc2a8472021c1f37e7ba14fd51259d37d10bd030ecd33134ebf42d3279ab860a
CryptBot
fe0921df62f37332cab9e56fbbfe050e204e196e55eb323657c1f0469a6ff27b
CryptBot
+ 423 additional samples on MalwareBazaar
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery spyware stealer suricata
Link:
https://tria.ge/reports/210727-aqhq4h59ya/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies registry class
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
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
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:
ewaisg12.top
morvay01.top
Unpacked files
SH256 hash:
b97c3a59baa07f8ac2f1f7195f87b2128e86aca0b7c6db3a31255af8ae748e0f
MD5 hash:
f85bd10cc00ef501728af0f3273d19c7
SHA1 hash:
96f4834dc057f5d68a391a4a7ab7e2c38beb19f6
Link:
https://www.unpac.me/results/cc37a983-1378-4e83-ac24-d73ec75ce53c/
SH256 hash:
a4c1611cb53460b6e745cc05101f83a834d66d78462fff9b190cff9727784700
MD5 hash:
af12a5b1fb40fb31e4f8979b0a4cb42c
SHA1 hash:
a1ff752ec748ca0dae13b861b8bbc3da61fc7c8c
Link:
https://www.unpac.me/results/cc37a983-1378-4e83-ac24-d73ec75ce53c/
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/a4c1611cb53460b6e745cc05101f83a834d66d78462fff9b190cff9727784700

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

File information

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

Web download

CryptBot

Executable exe a4c1611cb53460b6e745cc05101f83a834d66d78462fff9b190cff9727784700

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1480172/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/174435/

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