MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc74f7e82eb33a14ffdea343a8975d8a81be151ffcb753cb3f3be10242c8a252. 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 1 File information Comments
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SHA256 hash: cc74f7e82eb33a14ffdea343a8975d8a81be151ffcb753cb3f3be10242c8a252
SHA3-384 hash: 703c01f74f7f5bbc6f861536f5f863448f1424aa210c183d7814f713bfe9cbbbabc0732c1079c680d48764bea428021a
SHA1 hash: 63ee039a478e23a505bc889cc74e7693ebe51891
MD5 hash: 9abf8579ed3b6e5d3d43b408509a53db
humanhash: berlin-cold-undress-nitrogen
File name:9857.tmp.dll
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:299'520 bytes
First seen:2021-03-29 20:25:48 UTC
Last seen:2021-03-29 20:58:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ddb095d2ce52d8eb057df35ac1fd603b (1 x CobaltStrike, 1 x Quakbot)
ssdeep 6144:lV9H07z+CLXF0AYlHsGSD5E4Ck2oh66/px:lzHqtLyAtG0Ck2ozv
TLSH 2C547C59B2A510B8E677813CC8575A06E7F2B8160371D6FF03A0466A6F773E06A3FB50
Reporter malware_traffic
Tags:Cobalt Strike CobaltStrike dll


Avatar
malware_traffic
Run method: rundll32.exe [filename],lowslow

Intelligence

File Origin
# of uploads :
2
# of downloads :
541
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9857.tmp.dll
Verdict:
Malicious activity
Analysis date:
2021-03-29 20:24:36 UTC
Tags:
trojan cobaltstrike
Link:
https://app.any.run/tasks/820bbcb2-6924-44fe-92c0-fa6fd752b2b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Bulz.405556.19142.5884.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP 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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/fa59bc9b-72d5-42af-8caa-8b2223dcb421
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/657617
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 377740 Sample: 9857.tmp.dll Startdate: 29/03/2021 Architecture: WINDOWS Score: 92 21 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->21 23 Found malware configuration 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 3 other signatures 2->27 7 loaddll64.exe 1 2->7         started        process3 process4 9 rundll32.exe 12 7->9         started        13 cmd.exe 1 7->13         started        15 rundll32.exe 7->15         started        dnsIp5 19 217.12.218.46, 49700, 49701, 49703 ITLDC-NLUA Ukraine 9->19 29 System process connects to network (likely due to code injection or exploit) 9->29 17 rundll32.exe 13->17         started        signatures6 process7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc74f7e82eb33a14ffdea343a8975d8a81be151ffcb753cb3f3be10242c8a252/
Threat name:
Win64.Trojan.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-03-29 20:26:06 UTC
AV detection:
5 of 47 (10.64%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Link:
https://tria.ge/reports/210329-kks9a62has/
Behaviour
Blocklisted process makes network request
Cobaltstrike
Malware Config
C2 Extraction:
http://217.12.218.46:80/preload
Unpacked files
SH256 hash:
cc74f7e82eb33a14ffdea343a8975d8a81be151ffcb753cb3f3be10242c8a252
MD5 hash:
9abf8579ed3b6e5d3d43b408509a53db
SHA1 hash:
63ee039a478e23a505bc889cc74e7693ebe51891
Link:
https://www.unpac.me/results/4a4a2430-0d0d-4f60-9afd-6786fb1faf48/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cc74f7e82eb33a14ffdea343a8975d8a81be151ffcb753cb3f3be10242c8a252

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:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information

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

Comments