MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 776b4fb58d76105a60bccfbc09abad82330b8ee5138b93b826deaa7689030bbf. 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


Threat unknown


Vendor detections: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 776b4fb58d76105a60bccfbc09abad82330b8ee5138b93b826deaa7689030bbf
SHA3-384 hash: 6480f368296eea1b3a0c5832363d3f753e58767f47906e83fe89d16931b5cfee44dcbebf05c80a7ee7eceb8ff234722a
SHA1 hash: 4d0776045e9b18a59dc4c39de4035852d25db785
MD5 hash: 29fa05b128d3f21ba3b7ba84f71fa024
humanhash: grey-carpet-timing-bravo
File name:overlapEngine.dll
Download: download sample
File size:355'840 bytes
First seen:2025-03-21 19:03:43 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 3bd8114edffd87b4a2b5cd9082653a0f
ssdeep 6144:9qXLo8kCK0/Vt20vgta62pMdsXdqqXZNDNxT1awbk85Ku5Av:9qXLvTt2x2pM6XdqqXZpN95X6v
TLSH T1DA749D11F582C032D69E1670B93CEF7A5A6DED704FA0A9C7A7C40D7A8E315C25B31E1A
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter JAMESWT_WT
Tags:8-218-50-207 dll

Intelligence

File Origin
# of uploads :
1
# of downloads :
482
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ddb836115e7b48b48f7eb1
Tags:
shellcode virus
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/67ddb838f097b07d45e89804/reports/11b23634-89ae-4a07-b689-05788d1bd358/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/776b4fb58d76105a60bccfbc09abad82330b8ee5138b93b826deaa7689030bbf
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d14333b7-06f6-44f9-9093-66a0ba250c3b
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1645477
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Compiles code for process injection (via .Net compiler)
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates / moves files in alternative data streams (ADS)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found stalling execution ending in API Sleep call
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Powershell is started from unusual location (likely to bypass HIPS)
Reads the Security eventlog
Reads the System eventlog
Renames powershell.exe to bypass HIPS
Sigma detected: Dot net compiler compiles file from suspicious location
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1645477 Sample: overlapEngine.dll Startdate: 21/03/2025 Architecture: WINDOWS Score: 100 108 update.myrnicrosoft.com 2->108 124 Antivirus detection for URL or domain 2->124 126 Multi AV Scanner detection for submitted file 2->126 128 Joe Sandbox ML detected suspicious sample 2->128 130 Sigma detected: Dot net compiler compiles file from suspicious location 2->130 12 loaddll32.exe 1 2->12         started        signatures3 process4 process5 14 rundll32.exe 12->14         started        18 cmd.exe 1 12->18         started        20 rundll32.exe 1 12->20         started        23 conhost.exe 12->23         started        dnsIp6 106 :af539f7e-4a7f-447...444ede8375ee (copy), DOS 14->106 dropped 154 System process connects to network (likely due to code injection or exploit) 14->154 156 Creates / moves files in alternative data streams (ADS) 14->156 158 Deletes itself after installation 14->158 25 cmd.exe 14->25         started        27 rundll32.exe 2 18->27         started        110 8.218.50.207, 49720, 49721, 49722 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 20->110 160 Renames powershell.exe to bypass HIPS 20->160 31 cmd.exe 20->31         started        file7 signatures8 process9 file10 33 .tmp 41 25->33         started        37 conhost.exe 25->37         started        90 C:\ProgramData\desktop.ini, DOS 27->90 dropped 92 C:\ProgramData\.tmp, PE32+ 27->92 dropped 94 C:\ProgramData\ps.txt, ASCII 27->94 dropped 132 Creates / moves files in alternative data streams (ADS) 27->132 134 Renames powershell.exe to bypass HIPS 27->134 39 cmd.exe 1 27->39         started        41 .tmp 43 31->41         started        43 conhost.exe 31->43         started        signatures11 process12 file13 82 C:\Users\user\AppData\...\1opwkt5q.cmdline, Unicode 33->82 dropped 84 C:\Users\user\AppData\Local\...\1opwkt5q.0.cs, Unicode 33->84 dropped 114 Injects code into the Windows Explorer (explorer.exe) 33->114 116 Writes to foreign memory regions 33->116 118 Powershell is started from unusual location (likely to bypass HIPS) 33->118 45 explorer.exe 33->45 injected 49 csc.exe 33->49         started        51 csc.exe 33->51         started        53 .tmp 41 39->53         started        55 conhost.exe 39->55         started        120 Reads the Security eventlog 41->120 122 Reads the System eventlog 41->122 57 csc.exe 41->57         started        59 csc.exe 41->59         started        signatures14 process15 file16 96 C:\Windows\Tasks\windowsupdate.dat, DOS 45->96 dropped 136 Contains functionality to inject threads in other processes 45->136 138 Contains functionality to inject code into remote processes 45->138 140 Allocates memory in foreign processes 45->140 142 Creates a thread in another existing process (thread injection) 45->142 61 winver.exe 45->61         started        98 C:\Users\user\AppData\Local\...\1opwkt5q.dll, PE32 49->98 dropped 65 cvtres.exe 49->65         started        100 C:\Users\user\AppData\Local\...\gix4mxwi.dll, PE32 51->100 dropped 67 cvtres.exe 51->67         started        144 Injects code into the Windows Explorer (explorer.exe) 53->144 146 Writes to foreign memory regions 53->146 148 Powershell is started from unusual location (likely to bypass HIPS) 53->148 150 3 other signatures 53->150 69 csc.exe 53->69         started        72 csc.exe 53->72         started        102 C:\Users\user\AppData\Local\...\3nurcup2.dll, PE32 57->102 dropped 74 cvtres.exe 57->74         started        104 C:\Users\user\AppData\Local\...\5av4nqgr.dll, PE32 59->104 dropped 76 cvtres.exe 59->76         started        signatures17 process18 dnsIp19 112 update.myrnicrosoft.com 8.218.124.102, 443, 49729, 49730 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 61->112 152 Found stalling execution ending in API Sleep call 61->152 86 C:\Users\user\AppData\Local\...\irh1gjit.dll, PE32 69->86 dropped 78 cvtres.exe 69->78         started        88 C:\Users\user\AppData\Local\...\14ns4pfn.dll, PE32 72->88 dropped 80 cvtres.exe 72->80         started        file20 signatures21 process22
Score:
14%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/776b4fb58d76105a60bccfbc09abad82330b8ee5138b93b826deaa7689030bbf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/776b4fb58d76105a60bccfbc09abad82330b8ee5138b93b826deaa7689030bbf/
Threat name:
Win32.Exploit.Generic
Create hunting rule
Status:
Malicious
First seen:
2025-03-21 08:58:48 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5vu7nmnoyifuyf4z66atk5nqizqxdxfcofzhobg32vhncidbo7q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/250321-xqyddaznw2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops desktop.ini file(s)
Deletes itself
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Unpacked files
SH256 hash:
776b4fb58d76105a60bccfbc09abad82330b8ee5138b93b826deaa7689030bbf
MD5 hash:
29fa05b128d3f21ba3b7ba84f71fa024
SHA1 hash:
4d0776045e9b18a59dc4c39de4035852d25db785
Link:
https://www.unpac.me/results/12f85d31-b9ee-40ba-9469-7637a2486dd3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/776b4fb58d76/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/776b4fb58d76105a60bccfbc09abad82330b8ee5138b93b826deaa7689030bbf

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateFileW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::freeaddrinfo
WS2_32.dll::getaddrinfo
WS2_32.dll::getnameinfo
WS2_32.dll::WSASocketW

Comments