MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af2810e059a92dc105b3f161c9d24f0b0fdb7308605a8ccc7fd040afc8afc0e3. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: af2810e059a92dc105b3f161c9d24f0b0fdb7308605a8ccc7fd040afc8afc0e3
SHA3-384 hash: 9290a307210a9719edf7bfe054c850e90bec702b1ac144d1899aca547ba8d49869053459d49944b464fcded056ff9810
SHA1 hash: 9433eddaab6796f989d88e8318358358efb576f4
MD5 hash: 2815e2f8a5efe5ec22d1c3ca4c7059ae
humanhash: johnny-lima-stream-alpha
File name:TEKNJGKF.exe
Download: download sample
File size:3'726'258 bytes
First seen:2024-07-24 14:25:55 UTC
Last seen:2024-07-24 15:28:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 657e40fb09b2c5e277b865a7cf2b8089 (6 x AsyncRAT, 4 x Arechclient2, 3 x DanaBot)
ssdeep 49152:yNiyOYZbs50G1RQGSlXDbs/shEesFaZOgEYmLSKDnVQfQtJvDyKcH4+Bz4bknN4V:yVOXFKxDbjh6QYAcVdtwKi4+LtBoq4
TLSH T10D061231A562303BE6F429B3F950D1303D7DE6182B5C99AEC6C09C1C39A85D6AEF7346
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b2e1b496a6cada72 (13 x LummaStealer, 12 x AsyncRAT, 8 x Rhadamanthys)
Reporter rmceoin
Tags:exe FakeUpdate


Avatar
rmceoin
www.lboausa.org/win/jj.js
->
bestdoctornearme.com/splitter.ai/index.php
->
bestdoctornearme.com/splitter.ai/index2.php
(renders fake update)

Intelligence


File Origin
# of uploads :
2
# of downloads :
325
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
Encryption Execution Network Static Trojan Rugmi
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a window
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CAB crypto epmicrosoft_visual_cc expand fingerprint installer keylogger lolbin microsoft_visual_cc overlay packed packed runonce shell32
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:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Maps a DLL or memory area into another process
Switches to a custom stack to bypass stack traces
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1480243 Sample: TEKNJGKF.exe Startdate: 24/07/2024 Architecture: WINDOWS Score: 56 46 18.31.95.13.in-addr.arpa 2->46 52 AI detected suspicious sample 2->52 11 TEKNJGKF.exe 8 2->11         started        signatures3 process4 file5 36 C:\Windows\Temp\...\TEKNJGKF.exe, PE32 11->36 dropped 14 TEKNJGKF.exe 20 11->14         started        process6 file7 38 C:\Windows\Temp\...\ScreenShot.exe, PE32 14->38 dropped 40 C:\Windows\Temp\...\vclx120.bpl, PE32 14->40 dropped 42 C:\Windows\Temp\...\vcl120.bpl, PE32 14->42 dropped 44 5 other files (none is malicious) 14->44 dropped 17 ScreenShot.exe 10 14->17         started        process8 file9 28 C:\Users\user\AppData\...\ScreenShot.exe, PE32 17->28 dropped 30 C:\Users\user\AppData\Roaming\...\vclx120.bpl, PE32 17->30 dropped 32 C:\Users\user\AppData\Roaming\...\vcl120.bpl, PE32 17->32 dropped 34 4 other files (none is malicious) 17->34 dropped 48 Switches to a custom stack to bypass stack traces 17->48 50 Found direct / indirect Syscall (likely to bypass EDR) 17->50 21 ScreenShot.exe 1 17->21         started        signatures10 process11 signatures12 54 Maps a DLL or memory area into another process 21->54 56 Switches to a custom stack to bypass stack traces 21->56 58 Found direct / indirect Syscall (likely to bypass EDR) 21->58 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Rugmi
Status:
Malicious
First seen:
2024-07-24 14:26:07 UTC
File Type:
PE (Exe)
Extracted files:
245
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
SH256 hash:
65aaa1a17693c032412e38918a92f71e73d25f612cb47490b207d38f634fd3ea
MD5 hash:
a9bdaf01bdc1b8dbe7c49b45e1472fd6
SHA1 hash:
e82c4d416b422e25b0f90e21c7777e62e9e20b84
SH256 hash:
1b70abd22f6824269bdd148ff35efa6058117cd28cbca32f99a3419cb4e6cf17
MD5 hash:
8b073cb24999ee941a6e4dc746040e6b
SHA1 hash:
b6df0331c55831a98108b8f326cb95f8930bcde0
SH256 hash:
7a4f23c3c4e6a2d5d6deb810df67371d6c3903a0ac000fe0ec2fc978725dfcad
MD5 hash:
de23423081879663a892b91a19397083
SHA1 hash:
a940e17595b75439acc093b735d6893277a16329
SH256 hash:
8a35e367787d97777d32aa58998d47f9d1615e12ecd56df78ba60b72c6684603
MD5 hash:
c4e50fcb9e371e4361617e0d17bbdb8e
SHA1 hash:
a066793d07755446681bcdc67e4fc3f22c941913
SH256 hash:
b60b26ff98a1f7b2aedd10a440abb4226efc1f9b96424be070e7230a8d6ff590
MD5 hash:
4c0cd94e4b5d0268d8cb6f9e53273497
SHA1 hash:
8df2c2951d7bd821cffad5a79eb633589c9f1e62
SH256 hash:
d54e820f5d919199dc1fc15daa038ffefe909a17d5068b2a79b166a97bc97e92
MD5 hash:
b1c3d53aee789024733afdc5842818c1
SHA1 hash:
61fcb82bbdd7f02ed560dbeec2abdce8843ebad0
SH256 hash:
3ead8e1eb0a2bc48f9872858516778d5f83d1dad2f8d6511e10a72e1e792af13
MD5 hash:
17b2b79e42173cf8531aa423d2e5a2ae
SHA1 hash:
27f6b0b3a92282788908bd1be111224958e9ed60
SH256 hash:
bfed8c8441ae189eb56956662b18755a64a458898dd528d2277f95d27c0f68aa
MD5 hash:
3ef92a0ceae229d420600d3ad2f16dca
SHA1 hash:
c3c8976028232a053628776fdcc839cc8646f743
SH256 hash:
af2810e059a92dc105b3f161c9d24f0b0fdb7308605a8ccc7fd040afc8afc0e3
MD5 hash:
2815e2f8a5efe5ec22d1c3ca4c7059ae
SHA1 hash:
9433eddaab6796f989d88e8318358358efb576f4
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:DebuggerCheck__API
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.

Web download

Executable exe af2810e059a92dc105b3f161c9d24f0b0fdb7308605a8ccc7fd040afc8afc0e3

(this sample)

  
Delivery method
Distributed via web download

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::ConvertStringSecurityDescriptorToSecurityDescriptorW
ADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::SetEntriesInAclW
ADVAPI32.dll::SetEntriesInAclA
ADVAPI32.dll::SetNamedSecurityInfoW
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::IsWellKnownSid
ADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetSecurityDescriptorGroup
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::SetProcessShutdownParameters
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt FilesADVAPI32.dll::DecryptFileW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextW
ADVAPI32.dll::CryptCreateHash
ADVAPI32.dll::CryptGetHashParam
ADVAPI32.dll::CryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigW
ADVAPI32.dll::ControlService
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
ADVAPI32.dll::QueryServiceStatus
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

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