MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb. 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


Cobalt Strike


Vendor detections: 12


Intelligence 12 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb
SHA3-384 hash: eb1c1159c7fcc42c440589e51fd9f13e6bb6e111eda0e0addbdec7bc45a2232326303e7e72ea12dcf9f0aa947a8f243c
SHA1 hash: bb82789e5b134079629723eff8a6b4111232bf7b
MD5 hash: cd36a6027378ebc6bf31e2f5d5a35ed7
humanhash: maryland-fillet-emma-eighteen
File name:Procexp.exe
Download: download sample
Signature Cobalt Strike
Create hunting rule
File size:2'964'296 bytes
First seen:2026-03-27 09:46:22 UTC
Last seen:2026-03-27 10:27:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 994b14da736c8f6cdcca49337922ee88 (1 x Cobalt Strike)
ssdeep 49152:D8BBAjoUsWMAHOaUQTYH62mm9IfZ769gbr2c3r4Ca0:DRRR6m6m6Kbrv3rDf
Threatray 3 similar samples on MalwareBazaar
TLSH T12FD5AE4393EC41E9E0769774896A4212EFB2BC291F74A6DF0344F60E1F33AD25A76712
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon 1671786831336767 (2 x CobaltStrike, 1 x RedLineStealer, 1 x RemcosRAT)
Reporter SquiblydooBlog
Tags:Cobalt Strike exe signed

Code Signing Certificate

Organisation:TERYAKİ GRUP REKLAM ORGANİZASYON VE PRODÜKSİYON TİC LTD ŞTI
Issuer:Sectigo Public Code Signing CA EV R36
Algorithm:sha256WithRSAEncryption
Valid from:2026-02-12T00:00:00Z
Valid to:2027-02-12T23:59:59Z
Serial number: 500d712788cec6d67e88b9469d9e8284
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: a38e9423fb05a90a1f3e07a3482a006b186dddd613c98dfa671a8c6f0f58dcde
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
177
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
https://protocolo.sorocaba.sp.gov.br/protocolo
Verdict:
Malicious activity
Analysis date:
2026-03-02 17:24:25 UTC
Tags:
loader arch-exec arch-doc
Link:
https://app.any.run/tasks/3df41ccc-6803-4c3f-b161-9248fceaa360

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/59501/
Detection(s):
SecuriteInfo.com.FileRepMalware.41697212.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69c65228390b996474142e0c
Tags:
genkryptik dropper cobalt virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Adding an access-denied ACE
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Labled as:
Win64/GenKryptik_AGeneric.ACF trojan
Link:
https://www.hybrid-analysis.com/sample/a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-03-17T10:04:00Z UTC
Last seen:
2026-03-28T08:09:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Cobalt.sb PDM:Exploit.Win32.Generic Trojan.Win64.Cobalt.cms
Link:
https://opentip.kaspersky.com/a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/63cdcb03-212e-4608-8095-d2b2b4d09cc6
Score:
33%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb/
Verdict:
Malicious
Threat:
Family.COBALTSTRIKE
Link:
https://tip.neiki.dev/file/a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb
Threat name:
Win64.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-03-17 15:43:28 UTC
File Type:
PE+ (Exe)
Extracted files:
245
AV detection:
12 of 36 (33.33%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwoluaa7ecj2urdvqkj4n36kq4iqgopdy2h6exnetkmg7femc35q._file
Verdict:
malicious
Label(s):
shellterloader
Create hunting rule
cobaltstrike
Create hunting rule
Similar samples:
a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb
Cobalt Strike
error
Cobalt Strike
f8219f79a7f0af8eda4338a026b6331717778de14813a3a3ff921b42a636bdd0
Cobalt Strike
Result
Malware family:
n/a
Score:
  8/10
Tags:
revoked_codesign
Link:
https://tria.ge/reports/260327-lsbfvadw3n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of NtSetInformationThreadHideFromDebugger
Unpacked files
SH256 hash:
a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb
MD5 hash:
cd36a6027378ebc6bf31e2f5d5a35ed7
SHA1 hash:
bb82789e5b134079629723eff8a6b4111232bf7b
Link:
https://www.unpac.me/results/0bf54edb-8aed-4a50-bb98-5c14b759d39d/
SH256 hash:
222b0eb4843524e1d1282f28eb087062041dc54803105f0a9ade434baccb6f59
MD5 hash:
57f9e2c9aa0b7b7df3c85043f46b4afd
SHA1 hash:
82cdcced81d9cc83e9bf0c62abe5bab62fbd9f3d
Link:
https://www.unpac.me/results/0bf54edb-8aed-4a50-bb98-5c14b759d39d/
Malware family:
Shellter
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a59cba001f20/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.59
Link:
https://yomi.yoroi.company/submissions/a59cba001f2093aa44758293c6efca87110339e3c68fe25da49a986f948c16fb

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:CobaltStrikeBeacon
Create hunting rule
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_all_IPv6_variants
Create hunting rule
Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HKTL_CobaltStrike_Beacon_Strings
Create hunting rule
Author:Elastic
Description:Identifies strings used in Cobalt Strike Beacon DLL
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
Rule name:HKTL_CobaltStrike_SleepMask_Jul22
Create hunting rule
Author:CodeX
Description:Detects static bytes in Cobalt Strike 4.5 sleep mask function that are not obfuscated
Reference:https://codex-7.gitbook.io/codexs-terminal-window/blue-team/detecting-cobalt-strike/sleep-mask-kit-iocs
Rule name:HKTL_Win_CobaltStrike
Create hunting rule
Author:threatintel@volexity.com
Description:The CobaltStrike malware family.
Reference:https://www.volexity.com/blog/2021/05/27/suspected-apt29-operation-launches-election-fraud-themed-phishing-campaigns/
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:MALW_cobaltrike
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Rule to detect CobaltStrike beacon
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.cobalt_strike
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:TH_APT_EquationGroup_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Equation Group (G0020) APT malware detection - covers EquationDrug, GrayFish, DoubleFantasy, TripleFantasy, Fanny, GROK, nls_933w HDD firmware module, and Shadow Brokers tooling
Reference:https://cyfare.net/
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:virustotal
Create hunting rule
Author:Tracel
Rule name:Windows_Trojan_CobaltStrike_3dc22d14
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_CobaltStrike_663fc95d
Create hunting rule
Author:Elastic Security
Description:Identifies CobaltStrike via unidentified function code
Rule name:win_cobalt_strike_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.

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/59501/

Comments