MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a4933b2681d0ac28689c0a33e1b2ab5edccee89b014ae222465ccc29e2b293e. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a4933b2681d0ac28689c0a33e1b2ab5edccee89b014ae222465ccc29e2b293e
SHA3-384 hash: de534ecaea68e0c7fc70deaa8e47591ae2be96a4510beeace140067941a1c81822d418dc60f1ead17088579f7cf098fe
SHA1 hash: e2ecae6560461b9ad2dac432ee7d153f51deb54a
MD5 hash: 743b6c86b51320e5b72fff371a2ab08f
humanhash: avocado-summer-jupiter-victor
File name:LisectAVT_2403002B_32.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:3'285'516 bytes
First seen:2024-07-25 01:14:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f2f006e2ecf7172ad368f8289dc96c1 (40 x LummaStealer, 21 x SalatStealer, 17 x CobaltStrike)
ssdeep 49152:lrDMi63rcQN9CFWKFRSWt7o0QJskXXUflHVhK3jMW:ZYZblM
TLSH T1F7E5D01BBCE514BAD4BF633688AA91A57A30BC850F3263D72A54B3BC1F76BD11934704
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 :
1
# of downloads :
245
Origin country :
CN CN
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
golang monero overlay packed
Link:
https://www.filescan.io/uploads/66a1a71c5568402317156165/reports/a299d2cc-6975-4a86-a55f-3078d9acd7c7/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/0dff04a7-283b-4e76-abc7-2dd264dceb34
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1481801
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7a4933b2681d0ac28689c0a33e1b2ab5edccee89b014ae222465ccc29e2b293e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a4933b2681d0ac28689c0a33e1b2ab5edccee89b014ae222465ccc29e2b293e/
Threat name:
Win64.Backdoor.Cobeacon
Create hunting rule
Status:
Suspicious
First seen:
2024-07-25 01:15:09 UTC
File Type:
PE+ (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pjethmtidufmfbujycrt4gzkwxw4z3ujwakk4iremxgmfhrlfe7a._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240725-blrt5ssbpf/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/75754755-fed4-46f6-a9fb-1fa4697134cf
Unpacked files
SH256 hash:
7a4933b2681d0ac28689c0a33e1b2ab5edccee89b014ae222465ccc29e2b293e
MD5 hash:
743b6c86b51320e5b72fff371a2ab08f
SHA1 hash:
e2ecae6560461b9ad2dac432ee7d153f51deb54a
Link:
https://www.unpac.me/results/35091ddb-3e92-4699-b6e5-74d2eb46661d/
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: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: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 7a4933b2681d0ac28689c0a33e1b2ab5edccee89b014ae222465ccc29e2b293e

(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