MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 de095ea31816e724d6ec46f703b096e893efec5bcba9d018c52820e22d4fbd45. 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: 7
| SHA256 hash: | de095ea31816e724d6ec46f703b096e893efec5bcba9d018c52820e22d4fbd45 |
|---|---|
| SHA3-384 hash: | e4eb642832363b663506ec0d41e15e96f05841078f34ea2d4ddc6f2d0d1203c64d7c17e91b413beca692c4831e3afdf1 |
| SHA1 hash: | 9e6d617f2d430296aa0f4698789d1a79ace8353f |
| MD5 hash: | 7cf38df0a6ebd29eaf69fd6c7ae2b3da |
| humanhash: | uniform-fish-idaho-quebec |
| File name: | de095ea31816e724d6ec46f703b096e893efec5bcba9d018c52820e22d4fbd45 |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 595'944 bytes |
| First seen: | 2021-07-09 06:58:16 UTC |
| Last seen: | 2021-07-09 08:05:51 UTC |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | 3f71435eaa86c905440bb60ff5bc50a8 (1 x CobaltStrike) |
| ssdeep | 6144:CI+AGFlFJJ5aX+WR609e2EVdwI28/4Irrr2COCQJb1jdbso:vGFlDKOWR6weHVdwFI3uJb1jtso |
| Threatray | 1'703 similar samples on MalwareBazaar |
| TLSH | T1A1C48D757A29B3DCE17C37FB51C83A14685ABCBB7421884ADB422AF4DDEA3C47C85112 |
| Reporter |  JAMESWT_WT |
| Tags: | CobaltStrike dll FORMICA Solution a.s. signed |
Code Signing Certificate
| Organisation: | FORMICA Solution a.s. |
|---|---|
| Issuer: | Certum Extended Validation Code Signing CA SHA2 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2021-02-05T14:11:43Z |
| Valid to: | 2022-02-05T14:11:43Z |
| Serial number: | 3cdbd09436b29cb127fcfb1823ee9a9a |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 4fea4d5c94fb46d3b8cbd54c1b6757cbbfce9986b329b78ef9baa6832dda50cf |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
528
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
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.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Detection:
cobaltstrike
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2021-07-03 19:19:38 UTC
File Type:
PE (Dll)
AV detection:
24 of 46 (52.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 1'693 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
6c1172996814223f9db03665fad597c3d1cb5f1457f0c35e128160584f9c52c5
MD5 hash:
5c7d6f8e90ce1c438d8ee33bc5873239
SHA1 hash:
2cdc37e25ee291c6f5614f7782ae2e63ac8f6540
SH256 hash:
de095ea31816e724d6ec46f703b096e893efec5bcba9d018c52820e22d4fbd45
MD5 hash:
7cf38df0a6ebd29eaf69fd6c7ae2b3da
SHA1 hash:
9e6d617f2d430296aa0f4698789d1a79ace8353f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | enzo |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_Unmodifed_Beacon |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects unmodified CobaltStrike beacon DLL |
| Rule name: | crime_win32_csbeacon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Cobalt Strike loader |
| Reference: | https://twitter.com/VK_Intel/status/1239632822358474753 |
| Rule name: | CS_beacon |
|---|---|
| Author: | Etienne Maynier tek@randhome.io |
| Rule name: | HKTL_CobaltStrike_Beacon_4_2_Decrypt |
|---|---|
| Author: | Elastic |
| Description: | Identifies deobfuscation routine used in Cobalt Strike Beacon DLL version 4.2 |
| Reference: | https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures |
| 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_Meterpreter_inMemory |
|---|---|
| Author: | netbiosX, Florian Roth |
| Description: | Detects Meterpreter in-memory |
| Reference: | https://www.reddit.com/r/purpleteamsec/comments/hjux11/meterpreter_memory_indicators_detection_tooling/ |
| 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: | INDICATOR_SUSPICIOUS_ReflectiveLoader |
|---|---|
| Author: | ditekSHen |
| Description: | detects Reflective DLL injection artifacts |
| Rule name: | ReflectiveLoader |
|---|---|
| Author: | Florian Roth |
| Description: | Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended |
| Reference: | Internal Research |
| Rule name: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | SUSP_XORed_URL_in_EXE |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | WiltedTulip_ReflectiveLoader |
|---|---|
| Author: | Florian Roth |
| Description: | Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip |
| Reference: | http://www.clearskysec.com/tulip |
| Rule name: | win_cobalt_strike_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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