MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0624773c83872ae005bd3c7d6d134c83b91fedf960cc8a2c8c889a3c5503164. 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

CobaltStrike

Vendor detections: 9

Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash:	d0624773c83872ae005bd3c7d6d134c83b91fedf960cc8a2c8c889a3c5503164
SHA3-384 hash:	ead4af408baa2db0386e8d0a1712c54e430967a034733799fbca16b0906a9e87df352878ce564dd97df60b2c64e52b10
SHA1 hash:	861fe096f0614393e25525432840d01c46a8f76d
MD5 hash:	ec1140a43a104f3e1482599273968490
humanhash:	oxygen-purple-lithium-vegan
File name:	SecuriteInfo.com.Trojan.Siggen19.3578.27120.27939
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	7'259'424 bytes
First seen:	2024-03-04 03:29:12 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	a0722f4d4407b49f848f72fd4df721d0 (7 x CobaltStrike, 6 x SimpleHelp)
ssdeep	196608:QlebGcN/2zfjsegfhjXJ9S6sQVyIVACj6m5b9bvMKjWW+5:QlQGpzfjSZZI63V/VGm5biyP+5
TLSH	T1F0762324A6D18E79DF175AFDA04E88EBA95FCDA313C9003327F195D2CA642D0941FE1E
TrID	52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 17.7% (.EXE) Win64 Executable (generic) (10523/12/4) 8.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.5% (.EXE) Win32 Executable (generic) (4504/4/1) 3.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	70fcb0b0b0b0f87c (108 x SimpleHelp, 10 x CobaltStrike)
Reporter	SecuriteInfoCom
Tags:	Cobalt Strike exe signed

Code Signing Certificate

Organisation:	SimpleHelp Ltd
Issuer:	Sectigo RSA Code Signing CA
Algorithm:	sha256WithRSAEncryption
Valid from:	2021-03-01T00:00:00Z
Valid to:	2024-02-29T23:59:59Z
Serial number:	4bc2e5bbf245c046a66d2b46976d5411
Intelligence:	5 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	5680ca7a6616f2a2a33a20f5205383b224b09f4369f2b80736bd505fa9708ec9
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

487

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.Siggen19.3578.27120.27939.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %AppData% subdirectories

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Creating a process from a recently created file

Creating a file in the %temp% subdirectories

Moving a file to the %AppData% subdirectory

Creating a file

Сreating synchronization primitives

Searching for synchronization primitives

Replacing files

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

fingerprint lolbin overlay packed redcap remote shell32

Link:

https://www.filescan.io/uploads/65e5403df4f4cdd404ea95e6/reports/a64a843e-0ba6-4eb9-aaca-d6c2138aa378/overview

Verdict:

Malicious

Labled as:

Trojan.Extgen

Link:

https://www.hybrid-analysis.com/sample/d0624773c83872ae005bd3c7d6d134c83b91fedf960cc8a2c8c889a3c5503164

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/c10453a9-6ca9-4eac-8991-db40c18a2715

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

45 / 100

Link:

https://www.joesandbox.com/analysis/1402309

Signature

Found stalling execution ending in API Sleep call

Java source code contains very large array initializations

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

69%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/d0624773c83872ae005bd3c7d6d134c83b91fedf960cc8a2c8c889a3c5503164

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d0624773c83872ae005bd3c7d6d134c83b91fedf960cc8a2c8c889a3c5503164/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2023-06-20 02:27:01 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

11 of 38 (28.95%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2breo46ihbzk4ac32pd5nujuza5zd7w7sygmriwizce2hrkqgfsa._file

Verdict:

suspicious

Label(s):

cobaltstrike

Result

Malware family:

n/a

Score:

4/10

Tags:

n/a

Link:

https://tria.ge/reports/240304-d2gp8agf7x/

Behaviour

Modifies system certificate store

Suspicious use of WriteProcessMemory

Executes dropped EXE

Loads dropped DLL

Unpacked files

SH256 hash:

d0624773c83872ae005bd3c7d6d134c83b91fedf960cc8a2c8c889a3c5503164

MD5 hash:

ec1140a43a104f3e1482599273968490

SHA1 hash:

861fe096f0614393e25525432840d01c46a8f76d

Link:

https://www.unpac.me/results/db85b86d-39e9-4cc5-8f6d-7ef9256c27fd/

Please note that we are no longer able to provide a coverage score for Virus Total.

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	Sectigo_Code_Signed Create hunting rule
Description:	Detects code signed by the Sectigo RSA Code Signing CA
Reference:	https://bazaar.abuse.ch/export/csv/cscb/

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_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::ConvertStringSidToSidA ADVAPI32.dll::EqualSid ADVAPI32.dll::GetExplicitEntriesFromAclA ADVAPI32.dll::GetNamedSecurityInfoA ADVAPI32.dll::SetEntriesInAclA ADVAPI32.dll::SetNamedSecurityInfoA
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::timeGetTime
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA WININET.dll::InternetCloseHandle WINHTTP.dll::WinHttpCloseHandle KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::DeleteFileA KERNEL32.dll::MoveFileExA KERNEL32.dll::MoveFileA KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::GetUserNameA
WIN_HTTP_API	Uses HTTP services	WINHTTP.dll::WinHttpGetIEProxyConfigForCurrentUser WINHTTP.dll::WinHttpGetProxyForUrl WINHTTP.dll::WinHttpOpen
WIN_USER_API	Performs GUI Actions	USER32.dll::PeekMessageA USER32.dll::CreateWindowExA

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