MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf1043d00d87887f92a59e86296d1b7acaf37ccb33e9d2ce1f3c40d669de8ed5. 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: cf1043d00d87887f92a59e86296d1b7acaf37ccb33e9d2ce1f3c40d669de8ed5
SHA3-384 hash: f5ba43038daef8cd590c5657c54b33ef4bc5956d34d006dcbc2537d5e1a24082a6f2cb53bc9864c1904f5c17788d2c5e
SHA1 hash: 4abbf87ad7fa3e369d8ae26ced71a6f4ea3c7476
MD5 hash: c00e0917372861f279731776738ce2f3
humanhash: delaware-artist-fix-happy
File name:4913.dll
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:1'286'112 bytes
First seen:2021-08-04 17:27:15 UTC
Last seen:2021-09-01 07:49:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2869cb885758b15d003acb119f131468 (6 x BazaLoader, 3 x CobaltStrike, 1 x IcedID)
ssdeep 12288:FPddKVO4kguV+5j5HJl05TKD58s6WwbWZS+QhLQXoiah6dCaBSPZC1XZIa0c:Jddbr0HJll58cKhcoh6IyXONc
Threatray 1'127 similar samples on MalwareBazaar
TLSH T108555B49B8D348FAC13AE130499696A276327C7807363BD71E49656ADEB1BD03F3D324
Reporter malware_traffic
Tags:BazaLoader BazarLoader CobaltStrike dll exe HasCred ApS


Avatar
malware_traffic
Cobalt Strike seen as follow-up to BazarLoader infection.
Run method: rundll32.exe [filename],DllRegisterServer

Intelligence

File Origin
# of uploads :
2
# of downloads :
581
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4913.dll
Verdict:
No threats detected
Analysis date:
2021-08-04 17:21:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4d5a6259-f905-44ad-9681-52d11294b62f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176415/
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3be23016-ddf4-4ed3-b733-e38431b0a3ab
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/827082
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
System process connects to network (likely due to code injection or exploit)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
cobaltstrike
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf1043d00d87887f92a59e86296d1b7acaf37ccb33e9d2ce1f3c40d669de8ed5/
Threat name:
Win64.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 17:28:05 UTC
AV detection:
5 of 46 (10.87%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
1a0fe47068a27b22f4bf644c888b61f185a904b231632c6877e1be599e08a107
CobaltStrike
2bfe11c06ffe157399432080f6de6190e1062c99b4a55ec31974b5a37ee8dd3c
CobaltStrike
6880a560c6cc3dd49bdc94a90dcc8dc69e55a6d842e76bb0dff0038bad6a762f
CobaltStrike
954944ef6cdd1474ed35f27b790a7914156672cc7a1afbcc3214ccc1855ff12e
CobaltStrike
cbcc9da9ec3bb25c5d91da1eb4d45f5ffc9a31cf38c9be9f7423be20499c8b17
CobaltStrike
cf0a85f491146002a26b01c8aff864a39a18a70c7b5c579e96deda212bfeec58
CobaltStrike
d1d0c9d1ee7b800d491c9fb3fc94b93e5c59d903a4debb092846c46481077ae0
CobaltStrike
d3ec1a84996a4443b146bfeeaded02eafe663af47b858adc650465f808498eb4
CobaltStrike
+ 1'117 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:0 backdoor suricata trojan
Link:
https://tria.ge/reports/210804-f6w9sje2zj/
Behaviour
Cobaltstrike
suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response
Malware Config
C2 Extraction:
http://d3uexwarxkd1ug.cloudfront.net:443/jquery-3.3.1.min.js
Unpacked files
SH256 hash:
cf1043d00d87887f92a59e86296d1b7acaf37ccb33e9d2ce1f3c40d669de8ed5
MD5 hash:
c00e0917372861f279731776738ce2f3
SHA1 hash:
4abbf87ad7fa3e369d8ae26ced71a6f4ea3c7476
Link:
https://www.unpac.me/results/fc4cbfe9-67c8-4e23-ba23-425a344731be/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/cf1043d00d87887f92a59e86296d1b7acaf37ccb33e9d2ce1f3c40d669de8ed5

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:GoBinTest
Create hunting rule
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang
Create hunting rule

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/176415/

Comments