MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33c553e2789dc0ec2c092586db6dea65d0d6a7a8c844ab4790774d88e8de7aa6. 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


Stealc


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33c553e2789dc0ec2c092586db6dea65d0d6a7a8c844ab4790774d88e8de7aa6
SHA3-384 hash: 879473dda371af54219160ac5caabb2276042e6fa42457889b4b1a4b2fcad5e6707b80e88fed15cd888cddc881e15029
SHA1 hash: 4490107b98ec058cbb42e98d0d007d7b64892a8c
MD5 hash: 201802b1ea2bbc4be70e9089f613c3a3
humanhash: missouri-salami-jersey-six
File name:YAWLMOAW.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:7'374'701 bytes
First seen:2024-08-18 06:57:44 UTC
Last seen:2024-08-18 07:27:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f052f84efefe84f64ac7fab273eb8464 (9 x LummaStealer, 2 x Stealc, 2 x RemcosRAT)
ssdeep 196608:ExBRp2j11RYixZwuJ2dg36wVtSx0USapM7fxBQ:Ifgbj3RVtBu
TLSH T16176D0137690803EE5AA02714C5FAF6481A97D739A318157F6D0FF1D2DF0982B627B2B
TrID 69.0% (.AX) DirectShow filter (201555/2/20)
19.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 5b3931b29cd1631d (9 x LummaStealer, 3 x RemcosRAT, 2 x RedLineStealer)
Reporter JAMESWT_WT
Tags:185-196-9-135 exe Stealc www-bvmbc-org

Intelligence

File Origin
# of uploads :
2
# of downloads :
371
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
YAWLMOAW.exe
Verdict:
No threats detected
Analysis date:
2024-08-18 07:00:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a60e96e2-70eb-41eb-97cd-1ea4091b0666

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.PossibleThreat.29582.28193.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c19b7daa5b40be0aa05d3b
Tags:
Encryption Execution Generic Infostealer Network Static Stealth Trojan Heur
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer fingerprint lolbin microsoft_visual_cc overlay packed remote shell32
Link:
https://www.filescan.io/uploads/66c19b7b3930e113b90cfd5a/reports/36110912-642d-40ea-a6ac-1fe62ceef75c/overview
Verdict:
Malicious
Labled as:
Generik.FOEYSGW trojan
Link:
https://www.hybrid-analysis.com/sample/33c553e2789dc0ec2c092586db6dea65d0d6a7a8c844ab4790774d88e8de7aa6
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/dd16640f-1918-4cdf-94cb-342bf4e69909
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1494369
Signature
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1494369 Sample: YAWLMOAW.exe Startdate: 18/08/2024 Architecture: WINDOWS Score: 100 66 Multi AV Scanner detection for dropped file 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected Powershell download and execute 2->70 72 3 other signatures 2->72 10 YAWLMOAW.exe 29 2->10         started        process3 file4 42 C:\Users\user\AppData\Local\...\YAWLMOAW.exe, PE32 10->42 dropped 44 C:\Users\user\AppData\Local\...\setup.exe, PE32 10->44 dropped 46 C:\Users\user\AppData\...\YAWLMOAW.exe (copy), PE32 10->46 dropped 48 C:\Users\user\AppData\Local\...\ISSetup.dll, PE32 10->48 dropped 13 YAWLMOAW.exe 54 10->13         started        process5 file6 50 C:\Users\user\AppData\Local\...\ISSetup.dll, PE32 13->50 dropped 52 C:\Users\user\...\scr_previw.exe (copy), PE32 13->52 dropped 54 C:\Users\user\AppData\Local\...\scr5086.tmp, PE32 13->54 dropped 56 12 other malicious files 13->56 dropped 16 scr_previw.exe 5 13->16         started        20 ISBEW64.exe 13->20         started        22 ISBEW64.exe 13->22         started        24 5 other processes 13->24 process7 file8 38 C:\Users\user\AppData\...\scr_previw.exe, PE32 16->38 dropped 40 C:\Users\user\AppData\...\d3dx9_43.dll, PE32 16->40 dropped 60 Switches to a custom stack to bypass stack traces 16->60 62 Found direct / indirect Syscall (likely to bypass EDR) 16->62 26 scr_previw.exe 1 16->26         started        signatures9 process10 signatures11 74 Maps a DLL or memory area into another process 26->74 76 Switches to a custom stack to bypass stack traces 26->76 78 Found direct / indirect Syscall (likely to bypass EDR) 26->78 29 cmd.exe 2 26->29         started        process12 file13 58 C:\Users\user\AppData\Local\Temp\ivcaxrpbn, PE32 29->58 dropped 80 Injects code into the Windows Explorer (explorer.exe) 29->80 82 Writes to foreign memory regions 29->82 84 Found hidden mapped module (file has been removed from disk) 29->84 86 Switches to a custom stack to bypass stack traces 29->86 33 explorer.exe 29->33         started        36 conhost.exe 29->36         started        signatures14 process15 signatures16 64 Switches to a custom stack to bypass stack traces 33->64
Score:
4%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/33c553e2789dc0ec2c092586db6dea65d0d6a7a8c844ab4790774d88e8de7aa6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33c553e2789dc0ec2c092586db6dea65d0d6a7a8c844ab4790774d88e8de7aa6/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-08-17 03:27:35 UTC
File Type:
PE (Exe)
Extracted files:
314
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gpcvhytytxaoylajewdnw3pkmxinnj5izbckwr4qo5gyr2g6pkta._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:us credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240818-hrg1fs1gpd/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Stealc
Malware Config
C2 Extraction:
http://185.196.9.135
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a14263f0-5286-4038-99d2-0405e60a3ac2
Unpacked files
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
Link:
https://www.unpac.me/results/3de4567b-8505-466e-a888-dc40a469ecf7/
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
Link:
https://www.unpac.me/results/3de4567b-8505-466e-a888-dc40a469ecf7/
SH256 hash:
a01709a3c9d5eaacc6ca6ca47ef2e4e4e00d883289621c5bfff96620bfd93d8c
MD5 hash:
a89bf69cd0836e08a79d5c216ae776ed
SHA1 hash:
7d7ff6143a729726f200b2201c4a0e7358d2274b
Link:
https://www.unpac.me/results/3de4567b-8505-466e-a888-dc40a469ecf7/
SH256 hash:
e2fc5587afe5711c5d3b598658a0e162ec849974735b81edb8ef9af4701ec26f
MD5 hash:
6e5e862850a0fb7657302d0d837b002c
SHA1 hash:
e61532e3da56fccf5c98a5bffc3d51b96185c959
Link:
https://www.unpac.me/results/3de4567b-8505-466e-a888-dc40a469ecf7/
SH256 hash:
ee6198bd176cbd9192ce0dd472e668dfbf5d5d7314f85645d38627f7d84e2e48
MD5 hash:
fa995e0ce9ef0299204ba8e1600a630d
SHA1 hash:
d627e5035227a44a3785845539ba005da3f43820
Link:
https://www.unpac.me/results/3de4567b-8505-466e-a888-dc40a469ecf7/
SH256 hash:
33c553e2789dc0ec2c092586db6dea65d0d6a7a8c844ab4790774d88e8de7aa6
MD5 hash:
201802b1ea2bbc4be70e9089f613c3a3
SHA1 hash:
4490107b98ec058cbb42e98d0d007d7b64892a8c
Link:
https://www.unpac.me/results/3de4567b-8505-466e-a888-dc40a469ecf7/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/33c553e2789d/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/33c553e2789dc0ec2c092586db6dea65d0d6a7a8c844ab4790774d88e8de7aa6

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::SetEntriesInAclW
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdipDeleteGraphics
gdiplus.dll::GdipAlloc
gdiplus.dll::GdipCreateFromHDC
RPC_APICan Execute Remote ProceduresRPCRT4.dll::RpcStringFreeW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetSecurityDescriptorGroup
ADVAPI32.dll::SetSecurityDescriptorOwner
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegOpenKeyW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::FindWindowExW
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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