MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1cc2912bf692be2fbe5255231a1e44e1b1b833b944d45e3937b3191a00fb570. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1cc2912bf692be2fbe5255231a1e44e1b1b833b944d45e3937b3191a00fb570
SHA3-384 hash: 9c4461546e69871b4c35c444bd001f5c86a077957701951acda249a85058718f756e7f25c3f09c202bc9f9205578d9ab
SHA1 hash: 1ae5c35fbbfa589b80fcd091200e1d99a4cc2ba4
MD5 hash: 6a028ed7d904b79b3cb9407b8d388f56
humanhash: cold-georgia-sink-carpet
File name:LisectAVT_2403002C_54.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:288'264 bytes
First seen:2024-07-25 01:48:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 17b461a082950fc6332228572138b80c (121 x CobaltStrike, 2 x Cobalt Strike)
ssdeep 6144:GCV/OrER8kIeFFkmu+CpdomJ1a8ut4vHFN5:HtGJ1a8ut4PL
TLSH T183548C1AB34F8C81C095B8317326EC5D036F792625A5F9983A3BC12AEDE27E4F45463D
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter Anonymous
Tags:CobaltStrike exe


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
Origin country :
CN CN
Vendor Threat Intelligence
Detection(s):
Win.Trojan.CobaltStrike-9044898-1
Create hunting rule

Win.Trojan.CobaltStrike-7899871-1
Create hunting rule

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

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cobalt config-extracted mingw overlay packed
Link:
https://www.filescan.io/uploads/66a1af202d20df2572998b2b/reports/d78ada05-fd33-4532-b736-618993d5c64a/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.
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1481324
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1cc2912bf692be2fbe5255231a1e44e1b1b833b944d45e3937b3191a00fb570
Detection:
cobaltstrike
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c1cc2912bf692be2fbe5255231a1e44e1b1b833b944d45e3937b3191a00fb570/
Threat name:
Win64.Backdoor.Cobeacon
Create hunting rule
Status:
Malicious
First seen:
2024-07-25 01:49:11 UTC
File Type:
PE+ (Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhgcsev7nev6f67fevjddipejynrxaz3srguly4tpmyzdiapwvya._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:0 botnet:1359593325 backdoor trojan
Link:
https://tria.ge/reports/240725-b8tl9a1dlp/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://10.211.55.8:23462/g.pixel
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/279dd202-5969-409e-8550-662ac9f07c7e
Unpacked files
SH256 hash:
c1cc2912bf692be2fbe5255231a1e44e1b1b833b944d45e3937b3191a00fb570
MD5 hash:
6a028ed7d904b79b3cb9407b8d388f56
SHA1 hash:
1ae5c35fbbfa589b80fcd091200e1d99a4cc2ba4
Detections:
HKTL_Imphashes_Aug22_1
Create hunting rule
CobaltStrike_Resources_Artifact64_v3_14_to_v4_x
Create hunting rule
hacktool_windows_cobaltstrike_beacon
Create hunting rule
CobaltStrike_Resources_Artifact64_v3_14_to_v4_x
Create hunting rule
Link:
https://www.unpac.me/results/f29f8740-a845-4e51-b359-54ac7c5ba117/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1cc2912bf69/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CobaltStrike_Resources_Artifact64_v3_14_to_v4_x
Create hunting rule
Author:gssincla@google.com
Description:Cobalt Strike's resources/artifact64{.exe,.dll,svc.exe,svcbig.exe,big.exe,big.dll,.x64.dll,big.x64.dll} and resource/artifactuac(alt)64.exe signature for versions v3.14 through v4.x
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
Rule name:CobaltStrike__Resources_Artifact64_v3_14_to_v4_x
Create hunting rule
Author:gssincla@google.com
Rule name:HKTL_Imphashes_Aug22_1
Create hunting rule
Author:Florian Roth
Description:Detects different hacktools based on their imphash
Reference:Internal Research
Rule name:Windows_Trojan_CobaltStrike_7f8da98a
Create hunting rule
Author:Elastic Security
Rule name:win_cobaltstrike_pipe_strings_nov_2023
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects default strings related to cobalt strike named pipes

File information

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

Malspam

CobaltStrike

Executable exe c1cc2912bf692be2fbe5255231a1e44e1b1b833b944d45e3937b3191a00fb570

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments