MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8ac3f3a5bd3ba1cb8490cf1c69c364a39feac66ee084cf218f3dd11e9be3ac92. 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
| SHA256 hash: | 8ac3f3a5bd3ba1cb8490cf1c69c364a39feac66ee084cf218f3dd11e9be3ac92 |
|---|---|
| SHA3-384 hash: | 6733e9fd324699a18bed6911196dffce7ea915c23e90a122ee1ed3af32da71aba0836fd4daca983556b873f334de1276 |
| SHA1 hash: | 744a3590531665487bf22bc7df7b45663a30790f |
| MD5 hash: | 7d6748d103f78d1a8ddab5646c5cb1a3 |
| humanhash: | whiskey-oxygen-grey-eight |
| File name: | CEAP澳門特別行政區公共行政改革政策研究報告.exe |
| Download: | download sample |
| Signature | Cobalt Strike |
| File size: | 604'672 bytes |
| First seen: | 2024-12-05 04:28:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | dc9212f457632d496b253cd0ecc2dd4d (1 x Cobalt Strike) |
| ssdeep | 12288:LkSJ9QlQees48K16BqxLARYHBKbkHZchG3tggAWvg0w7K4OwThyy:wDmqIMGH+kj3CgA50wNthyy |
| Threatray | 28 similar samples on MalwareBazaar |
| TLSH | T1D6D423A7B387501AD5D0DE75E42BE4F958193C3D280C9EEA30C92D37A2D1A58CA850BF |
| TrID | 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.6% (.ICL) Windows Icons Library (generic) (2059/9) 15.4% (.EXE) OS/2 Executable (generic) (2029/13) 15.2% (.EXE) Generic Win/DOS Executable (2002/3) 15.2% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| dhash icon | ead2b2aaaab2aa92 (1 x Cobalt Strike) |
| Reporter |  zhuzhu0009 |
| Tags: | backdoor Cobalt Strike exe Generic xor-url |
Intelligence
File Origin
# of uploads :
1
# of downloads :
602
Origin country :
JPVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
澳門綜合能力評估開考題目練習App的投訴與反饋.zip
Verdict:
Suspicious activity
Analysis date:
2024-12-04 06:55:20 UTC
Tags:
arch-exec
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
Result
Verdict:
Clean
Maliciousness:
Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Labled as:
Win64/ShellcodeRunner.AID trojan
Verdict:
Suspicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2024-12-04 09:44:29 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
20 of 38 (52.63%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 18 additional samples on MalwareBazaar
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8ac3f3a5bd3ba1cb8490cf1c69c364a39feac66ee084cf218f3dd11e9be3ac92
MD5 hash:
7d6748d103f78d1a8ddab5646c5cb1a3
SHA1 hash:
744a3590531665487bf22bc7df7b45663a30790f
Malware family:
CobaltStrike
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.56
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: | pe_detect_tls_callbacks |
|---|
| Rule name: | RansomPyShield_Antiransomware |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP) |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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 (GUARD_CF) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| SS_API | Uses SS API | secur32.dll::DecryptMessage |
| WIN_BASE_API | Uses Win Base API | KERNEL32.DLL::LoadLibraryA |
| WIN_CRYPT_API | Uses Windows Crypt API | crypt32.dll::CertOpenStore |
| WIN_SOCK_API | Uses Network to send and receive data | ws2_32.dll::bind |
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