MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 eb99203676d28f1339f2b606162d1cf7c9a1ab43b6025eeb45012493d2e76327. 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: 15
| SHA256 hash: | eb99203676d28f1339f2b606162d1cf7c9a1ab43b6025eeb45012493d2e76327 |
|---|---|
| SHA3-384 hash: | 32d6e40ed00022e47a5bdcb230a853a22a275048f9ed3530aaa327db7ac9de7e6b9d5a0462f6cef2bc72e2f66fe85516 |
| SHA1 hash: | 657c16d838372654ad5e1608944cc8e85df5c2e2 |
| MD5 hash: | ada5fef01b62ddcf1bb086c29240390b |
| humanhash: | helium-papa-maine-mango |
| File name: | ada5fef01b62ddcf1bb086c29240390b |
| Download: | download sample |
| Signature | Cobalt Strike |
| File size: | 588'711 bytes |
| First seen: | 2024-11-06 08:15:22 UTC |
| Last seen: | 2024-11-26 08:02:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | c134b21a85d0daef8e8cd4b614c08db4 (2 x Cobalt Strike, 1 x CobaltStrike) |
| ssdeep | 12288:dzdl4xjdD9n5BSxmE+sl9j6X7Xg0+oYmKzFcVGvXvHknzb6BKkpM:dzdl4xdDd5BSxd+sl9j8M0+oYmKVvfE7 |
| Threatray | 415 similar samples on MalwareBazaar |
| TLSH | T157C44D45B541FCF5DC868B7844E2132263B6F0809729EB2F6E10FF34092AE94E9B7756 |
| 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 |  zbetcheckin |
| Tags: | 64 Cobalt Strike exe |
Intelligence
File Origin
# of uploads :
3
# of downloads :
400
Origin country :
FRVendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
eb99203676d28f1339f2b606162d1cf7c9a1ab43b6025eeb45012493d2e76327
Verdict:
Malicious activity
Analysis date:
2024-11-03 17:47:14 UTC
Tags:
cobaltstrike
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
cobaltstrike cobalt emotet
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Connection attempt
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug nim overlay zusy
Verdict:
Malicious
Labled as:
Zusy.Generic
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.
Verdict:
Suspicious
Result
Threat name:
CobaltStrike, Metasploit
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Notepad Making Network Connection
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected CobaltStrike
Yara detected Metasploit Payload
Behaviour
Behavior Graph:
Score:
97%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Trojan.CobaltStrike
Status:
Malicious
First seen:
2024-11-03 14:51:34 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
26 of 38 (68.42%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
metasploit
nimplant
Similar samples:
+ 405 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Suspicious use of WriteProcessMemory
Cobaltstrike
Cobaltstrike family
Malware Config
C2 Extraction:
http://152.67.212.187:443/accelerate/irc/Z0LCY5JYZL5
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
eb99203676d28f1339f2b606162d1cf7c9a1ab43b6025eeb45012493d2e76327
MD5 hash:
ada5fef01b62ddcf1bb086c29240390b
SHA1 hash:
657c16d838372654ad5e1608944cc8e85df5c2e2
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: | Check_OutputDebugStringA_iat |
|---|
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::OpenProcess KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA |
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