MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fbfdbce59dcbe7cd8b3073d6e3445abbfaddf205b5973600f3ff6f666501b77. 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: 10


Intelligence 10 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9fbfdbce59dcbe7cd8b3073d6e3445abbfaddf205b5973600f3ff6f666501b77
SHA3-384 hash: d41a0af6733a477f03ef7855d9ed2655d21a3c577fb0f88aa7532a5ae66756679fda9a7f9f34908c1fb70f99b4d323bd
SHA1 hash: ef945dd936f5c864713d417c7222a7529d87f977
MD5 hash: 42c9819a008ecb01019dadaafca6fe7d
humanhash: king-uncle-yankee-jig
File name:LisectAVT_2403002B_254.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:3'606'025 bytes
First seen:2024-07-25 01:09:16 UTC
Last seen:2024-07-25 01:41:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f2f006e2ecf7172ad368f8289dc96c1 (40 x LummaStealer, 21 x SalatStealer, 17 x CobaltStrike)
ssdeep 49152:QDYQ9lb8jaQN9CFWKFRSWt7o0QJsE4vxHqAphO9:QUQjN+
Threatray 204 similar samples on MalwareBazaar
TLSH T199F5C047BCA514BAC0BEA6378D7AA1967B30BC440F2163C77A94B2BC2F76BD05935704
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter Anonymous
Tags:CobaltStrike exe


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
2
# of downloads :
239
Origin country :
CN CN
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.72039055.24181.15382.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
golang monero overlay packed
Link:
https://www.filescan.io/uploads/66a1a5f03ba51bb345a37322/reports/93aa5bdf-5432-41d6-ac02-020683ac4331/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/ca0b36f1-d520-4383-af9e-0d9f695994f6
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1481893
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9fbfdbce59dcbe7cd8b3073d6e3445abbfaddf205b5973600f3ff6f666501b77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9fbfdbce59dcbe7cd8b3073d6e3445abbfaddf205b5973600f3ff6f666501b77/
Threat name:
Win64.Backdoor.Cobeacon
Create hunting rule
Status:
Suspicious
First seen:
2024-07-25 01:10:07 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t675xtsz3s7hzwfta46w4ncfvo723xzalnmxgyaph73pmzsqdn3q._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
152379224a15b42053e050e607602658011184e9de949845accad6dd4b5dffe5
CobaltStrike
1adf373ea91b8dc6f6f0c5cc570eba14ef720c394b8be4b3e9360d4f96bf48e6
CobaltStrike
2d4791c66db346075cc3811dedc19b66cdda13d8deb7ef3c5aa44843e8e61597
CobaltStrike
3d27f5ef39dec06f86331e298842bad015f9f0ee0c608e408c7d9b0daef210f6
CobaltStrike
9fbfdbce59dcbe7cd8b3073d6e3445abbfaddf205b5973600f3ff6f666501b77
CobaltStrike
b807498de818218975fe8836a4ba511c994e8bd37427a19b93dea3d8b643548a
CobaltStrike
+ 194 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/240725-bjerss1hqf/
Behaviour
Adds Run key to start application
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cf5b54b6-60db-4ce0-96c3-60f6a7387d40
Unpacked files
SH256 hash:
9fbfdbce59dcbe7cd8b3073d6e3445abbfaddf205b5973600f3ff6f666501b77
MD5 hash:
42c9819a008ecb01019dadaafca6fe7d
SHA1 hash:
ef945dd936f5c864713d417c7222a7529d87f977
Link:
https://www.unpac.me/results/11acb8dc-a2b1-4185-a010-7355727f3c20/
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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Malspam

CobaltStrike

Executable exe 9fbfdbce59dcbe7cd8b3073d6e3445abbfaddf205b5973600f3ff6f666501b77

(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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetSystemDirectoryA

Comments