MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8356f3fd326f41fcfbbc17c9fa1a81abe75aae2831b364bf6f6a100a2bebc5c2. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8356f3fd326f41fcfbbc17c9fa1a81abe75aae2831b364bf6f6a100a2bebc5c2
SHA3-384 hash: bff096506f6c16ddb35e52951e108bf4ff6aef3a44a1026c602664189e31995aaf447cf6c28c3f39e1f758823e7a8679
SHA1 hash: e1165a222fd6dce51e9953eddd38147e9c662061
MD5 hash: 860c7383a5873f43a5b7217b23c0c8aa
humanhash: eight-georgia-illinois-table
File name:9r1t4s.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:2'983'936 bytes
First seen:2023-06-15 08:52:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f0ea7b7844bbc5bfa9bb32efdcea957c (58 x Sliver, 17 x CobaltStrike, 12 x AsyncRAT)
ssdeep 49152:obuNo/sX3VWu0rb/TQvO90d7HjmAFd4A64nsfJ9U+rUSgsaxVdAKWD1:J3Vr
Threatray 867 similar samples on MalwareBazaar
TLSH T160D59D56785024B1D0AE8232E9BD6D9123BA7C554F22E7C72662B3F81F737D49E3130A
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 70e8c8ccccccc0c8 (2 x CobaltStrike)
Reporter obfusor
Tags:Cobalt Strike exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
301
Origin country :
HK HK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9r1t4s.exe
Verdict:
Suspicious activity
Analysis date:
2023-06-15 08:52:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/272139b9-be36-4f28-bafb-1eb4b40d6354

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/399087/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.6297.12048.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Running batch commands
Launching a process
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90838/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
golang greyware
Link:
https://www.filescan.io/uploads/648ad16f40b26d42ee55ab70/reports/da97f2f1-27c8-4186-bf82-c49aec93ec03/overview
Verdict:
Malicious
Labled as:
WinGo/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/8356f3fd326f41fcfbbc17c9fa1a81abe75aae2831b364bf6f6a100a2bebc5c2
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.
Malware family:
BazarLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1cf7b37-9146-4298-84dc-a3df886ca7a3
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1255173
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 888193 Sample: 9r1t4s.exe Startdate: 15/06/2023 Architecture: WINDOWS Score: 80 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 2 other signatures 2->70 8 9r1t4s.exe 2 2->8         started        12 chrome.exe 1 2->12         started        process3 dnsIp4 46 C:\Users\Public\Music\AntiVirus.spl, PE32+ 8->46 dropped 72 Potentially malicious time measurement code found 8->72 15 forfiles.exe 1 8->15         started        17 cmd.exe 3 2 8->17         started        19 expand.exe 2 8->19         started        22 cmd.exe 1 8->22         started        60 192.168.2.1 unknown unknown 12->60 62 239.255.255.250 unknown Reserved 12->62 24 chrome.exe 12->24         started        file5 signatures6 process7 dnsIp8 27 antivirus.exe 6 15->27         started        30 conhost.exe 15->30         started        32 AcroRd32.exe 15 37 17->32         started        34 conhost.exe 17->34         started        44 C:\Users\Public\Music\antivirus.exe, PE32+ 19->44 dropped 36 conhost.exe 19->36         started        38 conhost.exe 22->38         started        48 minorshort.weixin.qq.com 43.154.254.90, 49697, 80 LILLY-ASUS Japan 24->48 50 clients.l.google.com 172.217.168.14, 443, 49696 GOOGLEUS United States 24->50 52 4 other IPs or domains 24->52 file9 process10 dnsIp11 54 service-i39dqbj7-1309348799.bj.apigw.tencentcs.com 27->54 56 service-fd3z3txp-1256276711.bj.apigw.tencentcs.com 27->56 58 3 other IPs or domains 27->58 40 WerFault.exe 17 7 27->40         started        42 RdrCEF.exe 60 32->42         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8356f3fd326f41fcfbbc17c9fa1a81abe75aae2831b364bf6f6a100a2bebc5c2/
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2023-06-15 08:53:07 UTC
File Type:
PE+ (Exe)
Extracted files:
15
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qnlph7jsn5a7z654c7e7ugubvptvvlriggzwjp3pniiauk7lyxba._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
1b11ae98b85bb0645abe36adcd852e6e84b51c6b5c811729f3c19f14f32d4e4f
CobaltStrike
844f891f338bcde305546fb85d97ac01bfd2c4db663ce779e6048307af5085f5
CobaltStrike
89cb65bfaf8e7cb59a35bca859df284488f1f2264a4845c3bfcf4f82b3c3fcdd
CobaltStrike
8f280957b0f67aaa85e635f8ea7023598498a0ffbe6f8d53d7dd032ca27b632c
CobaltStrike
95654525c7022015e1177ff2e8eba84837f6808b6568bccd87af3e55a3c1f481
CobaltStrike
9a22c8cc9928574868022d5b47738b8fc85027d0cec46dd2f91f885d19ad2f18
CobaltStrike
a95f3ca79acd4178d465fc84f47532a29087f5b40c59b51af8f0454c9719a03d
CobaltStrike
b84a174586bc65c5324fa8bf3affd6ddd68fc2889f3dc872ac6071b96b088e9b
CobaltStrike
+ 857 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230615-ktap9sfd4t/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
8356f3fd326f41fcfbbc17c9fa1a81abe75aae2831b364bf6f6a100a2bebc5c2
MD5 hash:
860c7383a5873f43a5b7217b23c0c8aa
SHA1 hash:
e1165a222fd6dce51e9953eddd38147e9c662061
Link:
https://www.unpac.me/results/5a027f74-a23e-422a-8915-95ccd9ee364d/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8356f3fd326f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8356f3fd326f41fcfbbc17c9fa1a81abe75aae2831b364bf6f6a100a2bebc5c2

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware

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/399087/

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