MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc
SHA3-384 hash: 29925874a903a1041e25e5f0a5ef26a101674a9af1498dadb6dc9c09c3c92ceb885c5e49e646ada541f028de91fc1daf
SHA1 hash: 4bb3d31b1f49abd55f23c996be157cabb39771b9
MD5 hash: 1d7fa8815a5b11435b9aa0a851cfeeb2
humanhash: mockingbird-seventeen-river-single
File name:83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:1'757'872 bytes
First seen:2021-10-22 07:48:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c7269d59926fa4252270f407e4dab043 (45 x Hive, 23 x ServHelper, 22 x CobaltStrike)
ssdeep 49152:7yF+N5Mrb/T7vO90dL3BmAFd4A64nsfJGeIg9H5g+/HSxb1C:WFWKpg5HH
Threatray 54 similar samples on MalwareBazaar
TLSH T15E854B57BC9150F9C0EAC2348B66C6917A317899073323DB2F50AAB61F72BD45F783A4
Reporter JAMESWT_WT
Tags:CobaltStrike exe Rozena WinGo

Intelligence

File Origin
# of uploads :
1
# of downloads :
547
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/199276/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.16427.3172.11563.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Creating a window
Connection attempt
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
monero overlay packed
Link:
https://www.filescan.io/uploads/61726cf5a9d585e6d5340cd3/reports/007bdf15-04c8-4758-a2c5-a001936e9547/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/afe5b096-102a-424b-ba6b-1f50a9e18e17
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/875168
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc/
Threat name:
Win64.Trojan.WinGoRozena
Create hunting rule
Status:
Malicious
First seen:
2021-09-10 00:09:15 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
1fa0a0793d64b74a911d14a6f36ba3046d5d4137a5a5a6207f94de46d0e31a5e
CobaltStrike
4754626f12467f7a14731030afe57b3ffe6bac1c1a8d2d93a027f0cec5be08e7
CobaltStrike
487424f7ad546f72d0240922d1c6d9800bfcb95d3582eeecbbae0051208b6f89
CobaltStrike
8232f63ec9d5569b492e04eba453162076fd79ab634dca162faa664a1a75d3ad
CobaltStrike
8a5fd251454e696125125f48b93d4d865729e68cc27abc988339e086cbecca51
CobaltStrike
934c39dceb4e82940e3fa6773fda7fe02c902345ac66cf9ecab9f6a64997c1e1
CobaltStrike
a132c7776fdd1d661a7ca045a8296bfb51d2c4d9fc722fa39612e06dad9a92a9
CobaltStrike
a388bd4824c6bff328249a86aafc9e7dcd036e148c99b76aa1e5146f635abb90
CobaltStrike
b1748860c98662d253da719fe4d172a69affc97d8f56f38885e373221c93ca14
CobaltStrike
fd34a4448804a7805889f781c059be0320c9cfc62ee15350efdae10b6dda669a
CobaltStrike
+ 44 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Link:
https://tria.ge/reports/211022-jnpfsscbej/
Behaviour
Suspicious use of WriteProcessMemory
Cobaltstrike
Malware Config
C2 Extraction:
http://192.168.50.210:80/Rdu2
Unpacked files
SH256 hash:
83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc
MD5 hash:
1d7fa8815a5b11435b9aa0a851cfeeb2
SHA1 hash:
4bb3d31b1f49abd55f23c996be157cabb39771b9
Link:
https://www.unpac.me/results/76a079a3-fb1b-4c25-8046-ae5f52c396ab/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/83f06213409a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc

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/199276/

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