MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 337ba1bd5050c38f5e07f494d4dc0125276b0e0dea09667d86e7d763249c8f30. 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: 12
| SHA256 hash: | 337ba1bd5050c38f5e07f494d4dc0125276b0e0dea09667d86e7d763249c8f30 |
|---|---|
| SHA3-384 hash: | 07add504b539048b90e057c5d422d45446db68e07b95d006a7514998c511a8e2cdcc092bfb9fc2bd74de2a1083a8cd10 |
| SHA1 hash: | b5cc57a9bae2fba9d52a2f11a4f623c6a3f3f045 |
| MD5 hash: | 6078cbe4668c8893c80c6feb497b43ea |
| humanhash: | blue-beryllium-quiet-spring |
| File name: | b247b3f4.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 2'514'944 bytes |
| First seen: | 2023-07-05 08:01:17 UTC |
| Last seen: | 2023-07-05 08:39:27 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 8389a06a9956a476e94286bdab2ed4a4 (1 x CobaltStrike) |
| ssdeep | 49152:iRy8Fji0FXP4Op3BsiBAi/z95pQJuGXq0I7stSgh8PbcLCJr6FbSLWHHOXl:123BsCL4HOXl |
| Threatray | 352 similar samples on MalwareBazaar |
| TLSH | T187C56FAEADAC1872F920797BC797E958E133DC02B62249441553B723AF3F6178632F05 |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| File icon (PE): |  |
| dhash icon | 60e584e6c0b49cc8 (2 x CobaltStrike) |
| Reporter |  obfusor |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
356
Origin country :
HKVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b247b3f4.exe
Verdict:
No threats detected
Analysis date:
2023-07-05 08:02:22 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Verdict:
No Threat
Threat level:
10/10
Confidence:
100%
Tags:
crypto greyware
Verdict:
Malicious
Labled as:
Lazy.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:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.Lazy
Status:
Malicious
First seen:
2023-07-05 08:02:06 UTC
File Type:
PE+ (Exe)
Extracted files:
14
AV detection:
5 of 38 (13.16%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 342 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:100000 backdoor trojan
Behaviour
Modifies system certificate store
Program crash
Cobaltstrike
Malware Config
C2 Extraction:
http://114.132.190.7:80/introduction/edr
Unpacked files
SH256 hash:
337ba1bd5050c38f5e07f494d4dc0125276b0e0dea09667d86e7d763249c8f30
MD5 hash:
6078cbe4668c8893c80c6feb497b43ea
SHA1 hash:
b5cc57a9bae2fba9d52a2f11a4f623c6a3f3f045
Malware family:
CobaltStrike
Verdict:
Malicious
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: | Cobaltbaltstrike_Beacon_x64 |
|---|---|
| Author: | Avast Threat Intel Team |
| Description: | Detects CobaltStrike payloads |
| Reference: | https://github.com/avast/ioc |
| 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_MVF_x64_o_v4_3_v4_4_v4_5_and_v4_6 |
|---|---|
| Author: | gssincla@google.com |
| Description: | Cobalt Strike's sleeve/BeaconLoader.MVF.x64.o (MapViewOfFile) 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_MVF_x64_o_v4_3_v4_4_v4_5_and_v4_6 |
|---|---|
| Author: | gssincla@google.com |
| 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: | malware_CobaltStrike_v3v4 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect CobaltStrike Beacon in memory |
| Reference: | https://blogs.jpcert.or.jp/en/2018/08/volatility-plugin-for-detecting-cobalt-strike-beacon.html |
| 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.
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