MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b78abf1efa2b5cc5cb333314287095a4f424de025216b302a097945d73fbab77. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b78abf1efa2b5cc5cb333314287095a4f424de025216b302a097945d73fbab77
SHA3-384 hash: a551a80d3caf7f7864be8e41c9e24eb09e5f5a87118b5d2856d167f1fdd35b2283fc4ed74cf439680f3dd39486eadaea
SHA1 hash: a02612be7d673353d5fd5c7a21d77f23c06f5ee8
MD5 hash: c103d62e9429f9cc9da9e3453bb5b7e9
humanhash: steak-queen-wolfram-oxygen
File name:c103d62e9429f9cc9da9e3453bb5b7e9.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:47'578 bytes
First seen:2020-08-03 13:19:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash af3cd92a0c6a63017d1429ecf5f7184f (1 x CobaltStrike)
ssdeep 768:TZgSkQax7REbqA71z/79Dqc+D9XWm6/pctFnpA:TZxkQa1ubqA9BDqc+5Gmwu3pA
Threatray 166 similar samples on MalwareBazaar
TLSH A42318A97D248CE6E9A2133D94FBD3BA177CF18185231BA37B21F73417237A52894146
Reporter abuse_ch
Tags:CobaltStrike exe


Avatar
abuse_ch
CobaltStrike C2:
182.92.202.24:443

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/37852/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.34264924.24901.12525.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Sending a UDP request
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/407973
Signature
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Malicious sample detected (through community Yara rule)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b78abf1efa2b5cc5cb333314287095a4f424de025216b302a097945d73fbab77/
Threat name:
Win32.Trojan.Rozena
Create hunting rule
Status:
Malicious
First seen:
2020-07-31 09:27:30 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6fl6hx2fnomlsztgmkcq4evut2cjxqckillgavas6kf2473vn3q._file
Verdict:
malicious
Similar samples:
2f72550c99a297558235caa97d025054f70a276283998d9686c282612ebdbea0
CobaltStrike
389f2000a22e839ddafb28d9cf522b0b71e303e0ae89e5fc2cd5b53ae9256848
CobaltStrike
4d71f1eab01045de9ae76ea248be7746bad70c12ad977eeb6e8f8e46bbce6395
CobaltStrike
4d8232c8973ec2c528be5f380b9f027a7221023e2b2e774403a8839385b2e197
CobaltStrike
514de96ef99941a0c9712622848b687b402b0635a4bb45cf1cee0002fe8cdfcd
CobaltStrike
8668a50a557e2b402d105cd44953bcb7f2a854b34ed6fa89daabe706f809ce32
CobaltStrike
8bb24503e3418b4e1879c450818a21da05f7f3a54da7939b3f1733b45c9bb029
CobaltStrike
a68210378135bd42e9a1a8e854fb0cab06f58ffcab9a8583f0654fe9807c5555
CobaltStrike
e05f6dab54210a041235191663afd7f296c4733e42d9f09b971a9861bf317df8
CobaltStrike
ed324d9ae6fff04a11e230c45999de1deac96cae2dce42dfb1661413fb00c8d8
CobaltStrike
+ 156 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200803-3kfrx4yc2x/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Zbot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b78abf1efa2b5cc5cb333314287095a4f424de025216b302a097945d73fbab77

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:CobaltStrike_Sleep_Decoder_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CobaltStrike_Unmodifed_Beacon
Create hunting rule
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:ReflectiveLoader
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip
Reference:http://www.clearskysec.com/tulip

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/37852/

Comments