MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 497f6f7e21dd3e9622c7cd9f96bb5359284cd21c24ea3faa99520397b911a08e. 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: 15
| SHA256 hash: | 497f6f7e21dd3e9622c7cd9f96bb5359284cd21c24ea3faa99520397b911a08e |
|---|---|
| SHA3-384 hash: | fc937a816c189472322507ba49eb729cc17b65ff0c55ebce78e74d83e887f02bb600ce9351ec75b87c328e46abded350 |
| SHA1 hash: | 1ee1cba71e5230d7bcc9f2657348fab36bbdef6b |
| MD5 hash: | 9e8cc07413790be2f36e60baa55598df |
| humanhash: | kitten-mockingbird-washington-tango |
| File name: | 9e8cc07413790be2f36e60baa55598df.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 5'032'090 bytes |
| First seen: | 2023-07-07 15:13:17 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 221787fa92c2a5924102eb599da69c9f (1 x TrickBot, 1 x CobaltStrike) |
| ssdeep | 49152:Bl6tUmoUF2WVYOKq6Wub1IKi8rzgQjnOjigxMDmSCbH/zwo:Bl6XoU1m/9rfn6UmSCbfzz |
| Threatray | 15 similar samples on MalwareBazaar |
| TLSH | T1CE364A02FBD098A6D85593368EA657E07775FC589F22A3C31A44F2BD2E76BD04E78304 |
| gimphash | f553f6acc630e52e53139f61b47ab8a60070b44b4c14a460bd691cafcec6bbfc |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10523/12/4) 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) |
| File icon (PE): |  |
| dhash icon | 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT) |
| Reporter |  obfusor |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
346
Origin country :
HKVendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
9e8cc07413790be2f36e60baa55598df.exe
Verdict:
Malicious activity
Analysis date:
2023-07-07 15:14:25 UTC
Tags:
cobaltstrike
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Detection(s):
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% directory
Launching cmd.exe command interpreter
Creating a process with a hidden window
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Creating a window
Result
Malware family:
n/a
Score:
10/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
AntidebugCommonApi
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug cobalt golang overlay packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
Metasploit Framework
Verdict:
Malicious
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
Status:
Suspicious
First seen:
2023-07-07 14:42:24 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
18 of 37 (48.65%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 5 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:100000 backdoor trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Checks computer location settings
Cobaltstrike
Malware Config
C2 Extraction:
http://120.79.167.191:443/api/v1/server/user/info
Unpacked files
SH256 hash:
497f6f7e21dd3e9622c7cd9f96bb5359284cd21c24ea3faa99520397b911a08e
MD5 hash:
9e8cc07413790be2f36e60baa55598df
SHA1 hash:
1ee1cba71e5230d7bcc9f2657348fab36bbdef6b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | ditekshen, enzo & Elastic |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_C2_Encoded_XOR_Config_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike C2 encoded profile configuration |
| Rule name: | CobaltStrike_MZ_Launcher |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike MZ header ReflectiveLoader launcher |
| Rule name: | CobaltStrike_Sleeve_BeaconLoader_VA_x64_o_v4_3_v4_4_v4_5_and_v4_6 |
|---|---|
| Author: | gssincla@google.com |
| Description: | Cobalt Strike's sleeve/BeaconLoader.VA.x64.o (VirtualAlloc) Versions 4.3 through at least 4.6 |
| Reference: | https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse |
| Rule name: | CobaltStrike__Sleeve_BeaconLoader_VA_x64_o_v4_3_v4_4_v4_5_and_v4_6 |
|---|---|
| Author: | gssincla@google.com |
| Rule name: | command_and_control |
|---|---|
| Author: | CD_R0M_ |
| Description: | This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group |
| Rule name: | GoBinTest |
|---|
| Rule name: | golang |
|---|
| Rule name: | Golangmalware |
|---|---|
| Author: | Dhanunjaya |
| Description: | Malware in Golang |
| Rule name: | golang_binary_string |
|---|---|
| Description: | Golang strings present |
| Rule name: | golang_duffcopy_amd64 |
|---|
| Rule name: | HiveRansomware |
|---|---|
| Author: | Dhanunjaya |
| Description: | Yara Rule To Detect Hive V4 Ransomware |
| Rule name: | HKTL_CobaltStrike_Beacon_Strings |
|---|---|
| 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_Win_CobaltStrike |
|---|---|
| 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: | identity_golang |
|---|---|
| Author: | Eric Yocam |
| Description: | find Golang malware |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key. |
| Reference: | https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force() |
| Rule name: | SUSP_XORed_Mozilla_RID2DB4 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | Windows_Trojan_CobaltStrike_1787eef5 |
|---|---|
| Author: | Elastic Security |
| Description: | CS shellcode variants |
| Rule name: | Windows_Trojan_CobaltStrike_f0b627fc |
|---|---|
| Author: | Elastic Security |
| Description: | Rule for beacon reflective loader |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.