MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b094227f57d593b13ab25031cb8992537e76826ccc2db324fb37bf7e6e06c10f. 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: 13
| SHA256 hash: | b094227f57d593b13ab25031cb8992537e76826ccc2db324fb37bf7e6e06c10f |
|---|---|
| SHA3-384 hash: | fa2aa5ad132b6be83335c0ba59d62e3575bad03f582245742a77dbbcf5fa03d90a9bcc417d6f227c0cfeb5ff5308d61c |
| SHA1 hash: | 586b844dd828b9355de9f75c95f649fac3330d40 |
| MD5 hash: | 71d89f58c24e4c2640f4c7c51ca9ecc0 |
| humanhash: | tango-jig-mockingbird-papa |
| File name: | goodday-nosystem.docx .bin |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 389'120 bytes |
| First seen: | 2022-07-20 14:37:36 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fa711ed1ae88fafb67476aa74a16c67b (1 x CobaltStrike) |
| ssdeep | 6144:pMAGHjtKcyAmby3mFrpV/L8lR11yZhI3NnK4lKeTMSxP6nXYS:SZjtC24Lo11yZ2U4l51UX |
| Threatray | 674 similar samples on MalwareBazaar |
| TLSH | T19884CF82EFB6EF74CB20057FC340B6395F2E1E9141B1BD8A709DB5662EB9D14A0442DB |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10523/12/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4505/5/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| File icon (PE): |  |
| dhash icon | 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer) |
| Reporter |  Lan73722735 |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
769
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Launching a process
DNS request
Sending a custom TCP request
Searching for synchronization primitives
Sending an HTTP GET request
Searching for the window
Creating a window
Creating a file
Сreating synchronization primitives
Result
Malware family:
n/a
Score:
6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
CobaltStrike, ReflectiveLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Detection:
cobaltstrike
Threat name:
Win32.Backdoor.CobaltStrikeBeacon
Status:
Malicious
First seen:
2022-07-19 11:59:10 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
17 of 26 (65.38%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 664 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Cobaltstrike
Unpacked files
SH256 hash:
23d55feff2b115a232aa696efcb1a9f2840f285725696e4799d4264111436f4c
MD5 hash:
8f5af8297712520d83191fdee1a46072
SHA1 hash:
d5be0170ddf812becafb4e35417af64befeef963
Detections:
win_cobalt_strike_auto
SH256 hash:
b094227f57d593b13ab25031cb8992537e76826ccc2db324fb37bf7e6e06c10f
MD5 hash:
71d89f58c24e4c2640f4c7c51ca9ecc0
SHA1 hash:
586b844dd828b9355de9f75c95f649fac3330d40
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: | CobaltStrikeBeacon |
|---|---|
| Author: | ditekshen, enzo & Elastic |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_ReflectiveLoader_RID3297 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects reflective loader (Cobalt Strike) |
| Reference: | http://www.clearskysec.com/tulip |
| 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: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_peb_parsing |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| 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: | 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: | Detects win.cobalt_strike. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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