MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78. 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


Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78
SHA3-384 hash: bb4a131602b9ca6a71c1734fd6123f020e1a4b74ca2d2f423e08124f8f772b3b40393664837d596f142d4068d1d3bd1e
SHA1 hash: 8dda215e8ef87faa118ec55d731cc6646d2ce199
MD5 hash: 399d8f4627b46bdc03008be842817676
humanhash: wolfram-delaware-leopard-ceiling
File name:cbot.exe
Download: download sample
File size:61'440 bytes
First seen:2025-12-20 10:15:26 UTC
Last seen:2025-12-20 12:50:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9bdb07b6fd83cfd0e54205b38bedfd9d
ssdeep 768:7cGovCAeG58oao/JVTM5y0VQu0hseQzRxUMUla8vX6puvf1bs9PDV0gOiATWhea:IGoyzo9onqrqcvlP6EvfaZ0gkTu
TLSH T127531B1BB35364ECC62AD57486EFAB33B671F8634630AF3F02E4E6702E11E601E5A515
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 11607c1211dd50a49b37882ec1dfc5d187bfff9080892cd5c6fd93c0d80877c7
File size (compressed) :31'232 bytes
File size (de-compressed) :61'440 bytes
Format:win64/pe
Packed file: 11607c1211dd50a49b37882ec1dfc5d187bfff9080892cd5c6fd93c0d80877c7

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
cbot.exe
Verdict:
Suspicious activity
Analysis date:
2025-12-20 10:18:33 UTC
Tags:
auto-startup
Link:
https://app.any.run/tasks/f5b02e0d-503d-42ed-a16f-309f12cb1fe6

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/45566/
Detection(s):
Win.Malware.Malwarex-10058597-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6946777156a871e6bb7f1585
Tags:
backdoor autorun botnet remo
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug crypto packed
Link:
https://www.filescan.io/uploads/6946777084afa5547b5aff79/reports/b457b421-ffee-4c52-b614-7c2bbff5e41e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-20T07:22:00Z UTC
Last seen:
2025-12-21T02:00:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win64.Generic PDM:Trojan.Win32.Generic Trojan.Win32.Reconyc.sb RemoteAdmin.LiteManager.TCP.C&C
Link:
https://opentip.kaspersky.com/91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/69bbc3ab-cc3f-4173-9f5b-ec07ff98b526
Result
Threat name:
DDOS Bot
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1836663
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Drops PE files to the startup folder
Found evasive API chain (may stop execution after checking mutex)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Yara detected DDOS Bot
Behaviour
Behavior Graph:
Download SVG
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/399d8f4627b46bdc03008be842817676
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78/
Verdict:
Malicious
Threat:
Trojan.Win32.Reconyc
Link:
https://tip.neiki.dev/file/91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78
Threat name:
Win64.Trojan.Sonbokli
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 10:16:17 UTC
File Type:
PE+ (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg4j3ookth3vaju6cos44cpncwoigex27fmhqvww7awhaaeavz4a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/251223-nv1jvswlay/
Behaviour
Drops startup file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a027fff5-6ab8-4d9b-9a4d-ef26e1e130b0
Unpacked files
SH256 hash:
91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78
MD5 hash:
399d8f4627b46bdc03008be842817676
SHA1 hash:
8dda215e8ef87faa118ec55d731cc6646d2ce199
Link:
https://www.unpac.me/results/f5b60143-9ee6-49b8-8b93-befce583e49a/
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/91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Web download

Executable exe 11607c1211dd50a49b37882ec1dfc5d187bfff9080892cd5c6fd93c0d80877c7

Executable exe 91b89db9ca99f750269e13a5ce09ed159c8312faf9587856d6f82c700080ae78

(this sample)

  
Dropped by
SHA256 11607c1211dd50a49b37882ec1dfc5d187bfff9080892cd5c6fd93c0d80877c7
  
URLhaus
https://urlhaus.abuse.ch/url/3737810/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 dbae439a80cd9eb811fe4d4939f2e89f
Cape
Cape
https://www.capesandbox.com/analysis/45566/

Comments