MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa88fc6977bf02c959ffa6865b99eeee8c1735001f824d1bbcc4ff01d93fbb74. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa88fc6977bf02c959ffa6865b99eeee8c1735001f824d1bbcc4ff01d93fbb74
SHA3-384 hash: 74052dc2c7e7711d2e8cc6c11f49627de1e763d9ce05cdc5766ba06a9bdd1cf40190e01816f531925103ed4f5da255ba
SHA1 hash: 7390a80bfde663b45a608c3944f1e6ae8070e69b
MD5 hash: b9a2e675a53a3ae63cceec333d1551e2
humanhash: purple-fillet-ink-pip
File name:b9a2e675a53a3ae63cceec333d1551e2
Download: download sample
Signature CryptBot
Create hunting rule
File size:332'288 bytes
First seen:2021-09-18 07:07:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1ca1cd97ba33954504f179b7bc23e0ba (5 x RaccoonStealer, 1 x CryptBot)
ssdeep 6144:ujACjWxKeCETD5ocYDaOlJKcJNve+KhFwKnMFSrCx0YuvHzx3xMd9p:W9eCETRYDaQ1TWXhF5OSrPvNS
Threatray 5'376 similar samples on MalwareBazaar
TLSH T10A64BF20B6A0C034F0BB12F85AB993B9A83D7E715B7451CB62D616FE16386E4DC31397
dhash icon aad8ac9cc6e68ee0 (12 x RedLineStealer, 6 x RaccoonStealer, 3 x Smoke Loader)
Reporter zbetcheckin
Tags:32 CryptBot exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b9a2e675a53a3ae63cceec333d1551e2
Verdict:
Malicious activity
Analysis date:
2021-09-18 07:09:36 UTC
Tags:
stealer trojan loader
Link:
https://app.any.run/tasks/80f9be6e-832c-489d-bf3c-bd6383127d48

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/188908/
Detection(s):
SecuriteInfo.com.Ransom.Stop.Z5.26427.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Launching the default Windows debugger (dwwin.exe)
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dea91d8d-6e07-48cf-b903-325637a232f8
Result
Threat name:
Cryptbot Glupteba
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853157
Signature
Antivirus detection for dropped file
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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 delete
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 detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Cryptbot
Yara detected Glupteba
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 485588 Sample: 9PMVm49Fp8 Startdate: 18/09/2021 Architecture: WINDOWS Score: 100 66 Antivirus detection for dropped file 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected Glupteba 2->70 72 7 other signatures 2->72 8 9PMVm49Fp8.exe 48 2->8         started        13 IntelRapid.exe 2->13         started        15 IntelRapid.exe 2->15         started        process3 dnsIp4 60 duotul62.top 45.144.64.35, 49744, 80 SUPERSERVERSDATACENTERRU Russian Federation 8->60 62 cazars09.top 95.181.178.224, 49770, 49771, 80 NEOHOST-ASUA Russian Federation 8->62 64 moraub06.top 5.101.44.203, 49769, 80 LLHOSTM247EU Russian Federation 8->64 52 C:\Users\user\AppData\Local\Temp\File.exe, PE32 8->52 dropped 54 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 8->54 dropped 98 Detected unpacking (overwrites its own PE header) 8->98 100 Self deletion via cmd delete 8->100 102 Tries to harvest and steal browser information (history, passwords, etc) 8->102 17 File.exe 25 8->17         started        21 cmd.exe 1 8->21         started        104 Query firmware table information (likely to detect VMs) 13->104 106 Hides threads from debuggers 13->106 108 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->108 file5 signatures6 process7 file8 40 C:\Users\user\AppData\Local\...\vidduivp.exe, PE32 17->40 dropped 42 C:\Users\user\AppData\Local\...\feared.exe, PE32+ 17->42 dropped 44 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 17->44 dropped 46 3 other files (none is malicious) 17->46 dropped 74 Antivirus detection for dropped file 17->74 23 vidduivp.exe 3 18 17->23         started        28 feared.exe 4 17->28         started        30 conhost.exe 21->30         started        32 timeout.exe 1 21->32         started        signatures9 process10 dnsIp11 58 ip-api.com 208.95.112.1, 49780, 80 TUT-ASUS United States 23->58 48 C:\Users\user\AppData\...\vauuisyrniml.vbs, ASCII 23->48 dropped 86 Antivirus detection for dropped file 23->86 88 Query firmware table information (likely to detect VMs) 23->88 90 May check the online IP address of the machine 23->90 96 2 other signatures 23->96 34 wscript.exe 12 23->34         started        50 C:\Users\user\AppData\...\IntelRapid.exe, PE32+ 28->50 dropped 92 Hides threads from debuggers 28->92 94 Tries to detect sandboxes / dynamic malware analysis system (registry check) 28->94 38 IntelRapid.exe 28->38         started        file12 signatures13 process14 dnsIp15 56 iplogger.org 88.99.66.31, 443, 49782 HETZNER-ASDE Germany 34->56 76 System process connects to network (likely due to code injection or exploit) 34->76 78 May check the online IP address of the machine 34->78 80 Query firmware table information (likely to detect VMs) 38->80 82 Hides threads from debuggers 38->82 84 Tries to detect sandboxes / dynamic malware analysis system (registry check) 38->84 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa88fc6977bf02c959ffa6865b99eeee8c1735001f824d1bbcc4ff01d93fbb74/
Threat name:
Win32.Ransomware.LockbitCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-09-18 07:08:08 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vkepy2lxx4bmswp7u2dfxgpo52gboniad6be2g54yt7qdwj7xn2a._file
Verdict:
malicious
Similar samples:
6a0d05477e23fc1152067fc51d50a044bccf0e0a0654dbae1864df792400e935
CryptBot
74da2e5d659f93e151c0c79b2a09691299689ac406c7c5d04d7cfeac79ee7a13
CryptBot
81f9e755ba26058922c5fdb70ead4d6d36c65e95d3bc59a44112c0dd1f928b0e
CryptBot
88b21d6bda07db2097615a88062328006f0c10d199d4fc5e50483d6fd6abe622
CryptBot
9c183327a52687e89969b39d6e099f239161ce9876af0f8da666eb5e55c238c3
CryptBot
a1226fa2480bd40c0490b5ce5e1407f663a27cbbb77187d70dc8557d78d46c5c
CryptBot
c1a8d0767c3eee51e264da05003007415326296636a74e143056e7e2fea7dc51
CryptBot
c8b1c11bf16a1052dffb6942d955c31cdad7f0b154e1f855882d4d95359efa54
CryptBot
e13fb6156b386d9cea3a46c3835a97636ad0eeddda3b354f86f19915721638fc
CryptBot
f83b0cd39202e7040eae66dac5444eff5f9d878e3bb778613f1525aba2e3c5de
CryptBot
+ 5'366 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/210918-hx9mnahah2/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
ede6f3702c323e5eff2b33e02470db080033df7a39e9893a32923e7e2d38ce09
MD5 hash:
a77c6502e4a5791d0d3270b21cb44fa3
SHA1 hash:
54db7954ddc40ed5c9967c111006405e292f7174
Link:
https://www.unpac.me/results/d0a14e83-2438-4ff1-8879-13c9dbcf385c/
SH256 hash:
aa88fc6977bf02c959ffa6865b99eeee8c1735001f824d1bbcc4ff01d93fbb74
MD5 hash:
b9a2e675a53a3ae63cceec333d1551e2
SHA1 hash:
7390a80bfde663b45a608c3944f1e6ae8070e69b
Link:
https://www.unpac.me/results/d0a14e83-2438-4ff1-8879-13c9dbcf385c/
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/aa88fc6977bf02c959ffa6865b99eeee8c1735001f824d1bbcc4ff01d93fbb74

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: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 aa88fc6977bf02c959ffa6865b99eeee8c1735001f824d1bbcc4ff01d93fbb74

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1629696/
Cape
Cape
https://www.capesandbox.com/analysis/188908/

Comments


Avatar
zbet commented on 2021-09-18 07:07:24 UTC

url : hxxp://cazota08.top/download.php?file=file.exe