MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9b98c2b8e313967028e6ba8760d9a23f6b93036b5f85631494e870a90af779. 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


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: bf9b98c2b8e313967028e6ba8760d9a23f6b93036b5f85631494e870a90af779
SHA3-384 hash: 11a0c9764ed3b75e5e8dd77444d3480408f1bab3a0c3a7f10a9c5fa71be6933bd946d517ad3d16a59f98de53a0d1d6ee
SHA1 hash: 423ab0ee043e3991e7bfcca3f2d37c4ab5bb52e2
MD5 hash: 3e1266fcc80915667f1cee47ec26ecf7
humanhash: nuts-neptune-black-double
File name:FlashUpdateChecker.bin
Download: download sample
Signature CobaltStrike
File size:4'608 bytes
First seen:2020-11-04 12:44:02 UTC
Last seen:2020-11-04 15:26:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 48:6Jx32eGSW9cz7/MM3Fy69umdcqCtDWlRc5YFypfbNtm:k2dSz7w6Yk5zATzNt
Threatray 631 similar samples on MalwareBazaar
TLSH 9A91C60293E84B3BE8728B73ADB35B415278BA21C9579F6F3980575B5E0B3C04923F60
Reporter JAMESWT_WT
Tags:CobaltStrike RunFlashMht

Intelligence


File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending an HTTP GET request
Sending a custom TCP request
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
68 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Binary contains a suspicious time stamp
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Skeeyah
Status:
Malicious
First seen:
2020-10-29 18:52:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://www.ugliquarie.com:443/owa/
Unpacked files
SH256 hash:
bf9b98c2b8e313967028e6ba8760d9a23f6b93036b5f85631494e870a90af779
MD5 hash:
3e1266fcc80915667f1cee47ec26ecf7
SHA1 hash:
423ab0ee043e3991e7bfcca3f2d37c4ab5bb52e2
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments