MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4
SHA3-384 hash: b20bc36097f2424383ace288bb258fa2ec8176623108e990a5885ccf759e103253cef49c5dfa435e67876e48fcf6834e
SHA1 hash: baf9c557f397be3b58a9a8f56b8ff224ac231fec
MD5 hash: 5bda122840962b4fa884a5259064ed74
humanhash: burger-colorado-pluto-happy
File name:8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:1'515'008 bytes
First seen:2022-01-06 03:25:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0dd7f7b0b47baf346b320c7d92fd28e7 (1 x CobaltStrike)
ssdeep 24576:a+we/qGL+FOo4f2wwTZCHBzGRpB1Y1skccsAelzTMwP6JS6rgZqNqLRFY49s73xz:aDqSOTfXwTZCHBzGRpjwskLQz4HQygA/
Threatray 1'832 similar samples on MalwareBazaar
TLSH T11B657C104C4C15A8FD1A12FB721FE56ED4BB6A2F4AEA4CCECCCD7695569048EC01B36B
File icon (PE):PE icon
dhash icon 6369ec9430604e48 (1 x CobaltStrike)
Reporter JAMESWT_WT
Tags:cgbchnia CobaltStrike exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
583
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4
Verdict:
Malicious activity
Analysis date:
2022-01-06 03:31:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ce4c46b9-91eb-4d29-a440-2247766ad5a6

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/217490/
Detection(s):
Win.Malware.Fugrafa-7654372-0
Create hunting rule

Win.Trojan.CobaltStrike-7899872-1
Create hunting rule

Win.Countermeasure.LoaderWinGeneric-9804845-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
DNS request
Sending a custom TCP request
Modifying a system executable file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
83%
Tags:
anti-debug cobalt obfuscated packed swrort
Link:
https://www.filescan.io/uploads/61d6614e135d97804c0e6f18/reports/0874c855-095e-4102-8cc0-beba8b7df48d/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/0df3b8c3-15cb-40a8-9447-660c815db699
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/916128
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: CobaltStrike Named Pipe
System process connects to network (likely due to code injection or exploit)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 548606 Sample: ea9EYpYmwV Startdate: 06/01/2022 Architecture: WINDOWS Score: 100 35 www.ctfwiki.workers.dev 2->35 37 qianx1n.xyz 2->37 39 prda.aadg.msidentity.com 2->39 47 Found malware configuration 2->47 49 Antivirus detection for dropped file 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 7 other signatures 2->53 9 ea9EYpYmwV.exe 4 5 2->9         started        signatures3 process4 file5 33 C:\ProgramData\test.dll, PE32 9->33 dropped 12 rundll32.exe 6 9->12         started        16 AcroRd32.exe 15 32 9->16         started        18 cmd.exe 9->18         started        process6 dnsIp7 43 qianx1n.xyz 172.67.205.209, 443, 49761, 49762 CLOUDFLARENETUS United States 12->43 45 www.ctfwiki.workers.dev 172.67.207.150, 443, 49760, 49783 CLOUDFLARENETUS United States 12->45 55 System process connects to network (likely due to code injection or exploit) 12->55 57 Performs DNS queries to domains with low reputation 12->57 20 RdrCEF.exe 59 16->20         started        23 AcroRd32.exe 13 6 16->23         started        signatures8 process9 dnsIp10 41 192.168.2.1 unknown unknown 20->41 25 RdrCEF.exe 20->25         started        27 RdrCEF.exe 20->27         started        29 RdrCEF.exe 20->29         started        31 RdrCEF.exe 20->31         started        process11
Detection:
cobaltstrike
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4/
Threat name:
Win32.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2022-01-01 13:09:00 UTC
File Type:
PE (Exe)
Extracted files:
163
AV detection:
34 of 43 (79.07%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
2561379ad92527aabb67d7649589e2a3719db5e57f2b451baf57f57258def793
CobaltStrike
2f72550c99a297558235caa97d025054f70a276283998d9686c282612ebdbea0
CobaltStrike
34d38e1cf8761561180c63079d63c277b92959359278be8d020391524dece203
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389f2000a22e839ddafb28d9cf522b0b71e303e0ae89e5fc2cd5b53ae9256848
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3dfb4e7ca12b7176a0cf12edce288b26a970339e6529a0b2dad7114bba0e16c3
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70eae6d411554b0587f9bc3e7e7cc753e81b8086310dc5fa8181c44632fe1ada
CobaltStrike
96c441a2676616cbc2869de5adf4215bdad4603d970f956cc3de927301599257
CobaltStrike
b97b606aef81420a441aba88b42c44aa8e102390434be5714d33bb07645912d2
CobaltStrike
c786e4de11e64be8d4118cf8ba6b210e3396e3bb579f3afd4bf528c35bab4a6b
CobaltStrike
cb18432353e218676537e6fca6ab87c1ec57e356933eb8b6a4e012d1d6aaba63
CobaltStrike
+ 1'822 additional samples on MalwareBazaar
Result
Malware family:
metasploit
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike family:metasploit botnet:305419896 backdoor link pdf persistence suricata trojan upx
Link:
https://tria.ge/reports/220106-dy7r8sbcem/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
HTTP links in PDF interactive object
Adds Run key to start application
Loads dropped DLL
Blocklisted process makes network request
Cobaltstrike
MetaSploit
suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response
Malware Config
C2 Extraction:
http://www.ctfwiki.workers.dev:443/_static/jquery-3.3.1.min.js
http://qianx1n.xyz:443/jquery.min.js
Unpacked files
SH256 hash:
bbbdca83ea5c8e57d9756a81265080b8847e26f92337ade0cd313cdb0d843c9c
MD5 hash:
767ea5221d62abc538fe78d39b3310f6
SHA1 hash:
357ee34f533d5264137924c9cda705c336e755b8
Link:
https://www.unpac.me/results/9b138048-5be1-4017-b9a2-651149724423/
SH256 hash:
adbe93b81c9de625aeac99d49f340aa1df4e79d29c157358ea462c55d4628115
MD5 hash:
29771153283e369cb2c6aed2925b33a1
SHA1 hash:
a600dc14d2de83e9d4652b57cdcd52424d88c3fb
Link:
https://www.unpac.me/results/9b138048-5be1-4017-b9a2-651149724423/
SH256 hash:
8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4
MD5 hash:
5bda122840962b4fa884a5259064ed74
SHA1 hash:
baf9c557f397be3b58a9a8f56b8ff224ac231fec
Link:
https://www.unpac.me/results/9b138048-5be1-4017-b9a2-651149724423/
Malware family:
Cobalt Strike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8307b7961483/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.60
Link:
https://yomi.yoroi.company/submissions/8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4

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:Cobaltbaltstrike_strike_Payload_XORed
Create hunting rule
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
Rule name:ta505_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel

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/217490/

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