MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 888c74512d59e6f5890bff6424e73d72245a3df2bb6d2bd3a8b31d55e541d1ae. 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: 888c74512d59e6f5890bff6424e73d72245a3df2bb6d2bd3a8b31d55e541d1ae
SHA3-384 hash: 822b2b1d2f30fe0b55ec5d9350da130f079ce3685d931ea9c2464fa80ba6df05f48a949cea11597553608a66f9a56086
SHA1 hash: a8bb2d5917e61c566308cb68d80066a5e23450b9
MD5 hash: b3353fe84b5e8de4e5e2e0e64b7cf625
humanhash: fish-muppet-november-mexico
File name:888c74512d59e6f5890bff6424e73d72245a3df2bb6d2bd3a8b31d55e541d1ae
Download: download sample
File size:1'228'144 bytes
First seen:2024-08-13 14:01:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash be41bf7b8cc010b614bd36bbca606973 (195 x LummaStealer, 126 x DanaBot, 63 x Vidar)
ssdeep 24576:OXQ/+F85Qob+2EJjJiE1LZ5q223tIsofTKh1yVRZ7PuwRG:KkupVxJcuZ23tIso+onNRG
Threatray 83 similar samples on MalwareBazaar
TLSH T1C24523FAB6549C76EAF40D3118A60D51C8A3AF7F1958F90B87C2B9881F30717997432B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 8e2b333333332b8e
Reporter suspicious_link
Tags:exe signed

Code Signing Certificate

Organisation:SUN ASTERISK VIETNAM COMPANY LIMITED
Issuer:GlobalSign GCC R45 EV CodeSigning CA 2020
Algorithm:sha256WithRSAEncryption
Valid from:2024-07-16T03:03:46Z
Valid to:2025-07-17T03:03:46Z
Serial number: 61dd7d41a4b70c5f31d6adc1
Thumbprint Algorithm:SHA256
Thumbprint: 9a933d6c8288f597e84954e6001c00e8a125e7e2b685042c8c113385c68033fd
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
killamjr
Fake MS Teams Installer

Intelligence


File Origin
# of uploads :
1
# of downloads :
400
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
888c74512d59e6f5890bff6424e73d72245a3df2bb6d2bd3a8b31d55e541d1ae.exe
Verdict:
Malicious activity
Analysis date:
2024-08-13 14:11:17 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Generic Network Static Stealth Trojan Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a process with a hidden window
Moving a file to the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Running batch commands
Creating a file
Creating a process from a recently created file
Creating a window
DNS request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed 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:
51 / 100
Signature
Drops PE files with a suspicious file extension
Found direct / indirect Syscall (likely to bypass EDR)
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Sigma detected: Search for Antivirus process
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1492240 Sample: Fj8bSgJTob.exe Startdate: 13/08/2024 Architecture: WINDOWS Score: 51 33 dotnetisnotforchildren.com 2->33 35 GWnedjqdKILRPXOoh.GWnedjqdKILRPXOoh 2->35 37 198.187.3.20.in-addr.arpa 2->37 47 Sigma detected: Search for Antivirus process 2->47 10 Fj8bSgJTob.exe 23 2->10         started        signatures3 process4 signatures5 49 Found stalling execution ending in API Sleep call 10->49 13 cmd.exe 2 10->13         started        process6 file7 31 C:\Users\user\AppData\Local\Temp\...\Dive.pif, PE32+ 13->31 dropped 51 Drops PE files with a suspicious file extension 13->51 17 Dive.pif 13->17         started        20 cmd.exe 2 13->20         started        22 conhost.exe 13->22         started        24 7 other processes 13->24 signatures8 process9 signatures10 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Injects a PE file into a foreign processes 17->43 45 Found direct / indirect Syscall (likely to bypass EDR) 17->45 26 Dive.pif 13 17->26         started        process11 dnsIp12 39 dotnetisnotforchildren.com 193.43.104.208, 443, 49681, 49683 IT-STCOMIT Italy 26->39 29 conhost.exe 26->29         started        process13
Threat name:
Win32.Trojan.Runner
Status:
Malicious
First seen:
2024-08-12 20:51:18 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates processes with tasklist
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
888c74512d59e6f5890bff6424e73d72245a3df2bb6d2bd3a8b31d55e541d1ae
MD5 hash:
b3353fe84b5e8de4e5e2e0e64b7cf625
SHA1 hash:
a8bb2d5917e61c566308cb68d80066a5e23450b9
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

Executable exe 888c74512d59e6f5890bff6424e73d72245a3df2bb6d2bd3a8b31d55e541d1ae

(this sample)

  
Dropping
privateloader
  
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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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