MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9. 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: 16

Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash:	a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9
SHA3-384 hash:	08065401fe27c15b083bea70e00a840ac437db3cc9afe95d3223ad38e8a599fef8c07152aba3fbeb3ce580f865e50e1a
SHA1 hash:	dc3d6df34a95d0c935c299b9b07b878d9869f9fa
MD5 hash:	e1cc4deb1b03ef37bcd4ba11a1dbf725
humanhash:	montana-mountain-bravo-purple
File name:	a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9
Download:	download sample
Signature	Cobalt Strike Create hunting rule
File size:	10'211'840 bytes
First seen:	2024-08-13 11:03:24 UTC
Last seen:	2024-08-13 11:39:27 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	914f48205872e2a197aaae4775f619b3 (2 x CobaltStrike, 1 x Cobalt Strike)
ssdeep	12288:Ksf7THARCXfI+oAGBoD/HpXlXKKhemvYQqLWRc0qpb0qD0xc9nQiQ:/jv6UHpXl6pmvYJLYq2qDF5
TLSH	T1D8A6A686F243E95BE3D4E8348829DA72126637BE87F345BDBC6C71C9F62A1533410E16
TrID	52.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 15.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.6% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	00f0e4c8d8c8e4e0 (2 x CobaltStrike, 1 x AgentTesla, 1 x SnakeKeylogger)
Reporter	JAMESWT_WT
Tags:	Cobalt Strike exe

Intelligence

File Origin

# of uploads :

# of downloads :

508

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9

Verdict:

Suspicious activity

Analysis date:

2024-08-13 11:08:18 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/d2724f9c-b764-4c17-8080-c765cfed0a67

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.Evo-gen.31382.628.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66bb3da5aa5b40be0aa02676

Tags:

Encryption Infostealer Static Stealth Swrort

Result

Verdict:

Clean

Maliciousness:

Behaviour

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm epmicrosoft_visual_cc fingerprint lolbin microsoft_visual_cc msiexec overlay rat rundll32 setupapi shell32 swrort update

Link:

https://www.filescan.io/uploads/66bb3da9d07f13198dd272a1/reports/3476f2de-05b4-4c3e-b146-6d39d4875981/overview

Verdict:

Malicious

Labled as:

Generik.BPNCBNW trojan

Link:

https://www.hybrid-analysis.com/sample/a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9

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:

Cobalt Strike

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9edb00b0-9156-42cd-ac37-5764892d113e

Result

Threat name:

CobaltStrike, Metasploit

Detection:

malicious

Classification:

troj

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1492115

Signature

AI detected suspicious sample

C2 URLs / IPs found in malware configuration

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected CobaltStrike

Yara detected Metasploit Payload

Behaviour

Behavior Graph:

Download SVG

Score:

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9

Detection:

cobaltstrike

Link:

https://mwdb.cert.pl/sample/a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9/

Threat name:

Win32.Backdoor.Cobeacon

Status:

Malicious

First seen:

2024-08-09 19:03:26 UTC

File Type:

PE (Exe)

Extracted files:

112

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=uh5sc6xohk6pxulsa72kq7zseffef7edhykhimy26iqplzgndg4q._file

Verdict:

malicious

Label(s):

cobaltstrike

Result

Malware family:

metasploit

Score:

10/10

Tags:

family:cobaltstrike family:metasploit backdoor discovery trojan

Link:

https://tria.ge/reports/240813-m59pvazcqh/

Behaviour

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

Cobaltstrike

MetaSploit

Malware Config

C2 Extraction:

http://api.corextech.com:443/samlss/experts.png

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/48938b7b-2460-4155-b436-d3eac3905cce

Unpacked files

SH256 hash:

a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9

MD5 hash:

e1cc4deb1b03ef37bcd4ba11a1dbf725

SHA1 hash:

dc3d6df34a95d0c935c299b9b07b878d9869f9fa

Link:

https://www.unpac.me/results/ba711a3c-6214-4f6a-9e44-2e5f9839ae0a/

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a1fb217aee3a/report/overview.html

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/a1fb217aee3abcfbd17207f4a87f32214a42fc833e1474331af220f5e4cd19b9

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:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

File information

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

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::ConvertSidToStringSidW ADVAPI32.dll::ConvertStringSidToSidW ADVAPI32.dll::EqualSid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_API	Interfaces with Graphics	gdiplus.dll::GdiplusStartup gdiplus.dll::GdiplusShutdown gdiplus.dll::GdipAlloc
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAccessAllowedAceEx ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetTokenInformation
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteW SHELL32.dll::ShellExecuteExW
URL_MONIKERS_API	Can Download & Execute components	urlmon.dll::ObtainUserAgentString urlmon.dll::UrlMkSetSessionOption
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDriveTypeW KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileA KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileA KERNEL32.dll::DeleteFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::LookupAccountNameW ADVAPI32.dll::LookupAccountSidW ADVAPI32.dll::LookupPrivilegeValueW KERNEL32.dll::QueryDosDeviceW
WIN_CRYPT_API	Uses Windows Crypt API	CRYPT32.dll::CertVerifyCertificateChainPolicy
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryInfoKeyW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegQueryValueExA
WIN_SVC_API	Can Manipulate Windows Services	ADVAPI32.dll::ControlService ADVAPI32.dll::CreateServiceW ADVAPI32.dll::EnumDependentServicesW ADVAPI32.dll::OpenSCManagerW ADVAPI32.dll::OpenServiceW ADVAPI32.dll::QueryServiceConfigW
WIN_TRUST_API	Uses Windows Trust API	WINTRUST.dll::WinVerifyTrust WINTRUST.dll::WTHelperProvDataFromStateData
WIN_USER_API	Performs GUI Actions	USER32.dll::FindWindowW USER32.dll::FindWindowExW USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

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