MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8c90ed9b9acf1f82a0823c676420ac365d06b8399a91cb23a5ef535a49c2f7f. 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


STRRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e8c90ed9b9acf1f82a0823c676420ac365d06b8399a91cb23a5ef535a49c2f7f
SHA3-384 hash: 04397c8c6809543757c78bf1783711b309dca0dc219248438155982653770a2c388c83031664ff08abd2b12b9e03c973
SHA1 hash: 3ce9d89c6af5059f455de63a7cf13e6bad4733a0
MD5 hash: 2ffafb44b3efdc58f229ffbce7b12796
humanhash: vegan-edward-seventeen-social
File name:file
Download: download sample
Signature STRRAT
Create hunting rule
File size:65'759'210 bytes
First seen:2024-10-13 11:27:49 UTC
Last seen:2024-10-13 11:29:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b1c5b1beabd90d9fdabd1df0779ea832 (11 x CoinMiner, 10 x QuasarRAT, 8 x AsyncRAT)
ssdeep 1572864:u8OZCu66ERkqhn7gcc2qV3TdRdmJRHAUmi24Wrt0:mZCu90UFTdwRHjT2Xt0
TLSH T1F2E73343F22E04F1C01DD479D8961A1AF67EBF041B509E7B2345EA0A5F7E3A49E39362
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon eccccc9cc4d8e8f4 (2 x SnakeKeylogger, 1 x GuLoader, 1 x BazaLoader)
Reporter Bitsight
Tags:exe STRRAT


Avatar
Bitsight
url: http://103.130.147.211/Files/setup2.exe

Intelligence

File Origin
# of uploads :
17
# of downloads :
418
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-13 11:30:24 UTC
Tags:
pastebin loader arch-scr lumma stealer
Link:
https://app.any.run/tasks/e6551ea5-44f1-42a3-a6a7-ddfff7a49d1a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=670baec9707bcd8537fb4779
Tags:
Ransomware Exploit Blic
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint installer lolbin microsoft_visual_cc overlay packed setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/670baec550547d8c996bbdfc/reports/dd82e3a1-4b81-4720-ab10-0971a661d67f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/e8c90ed9b9acf1f82a0823c676420ac365d06b8399a91cb23a5ef535a49c2f7f
Result
Verdict:
UNKNOWN
Result
Threat name:
STRRAT
Create hunting rule
Detection:
suspicious
Classification:
troj.evad
Score:
28 / 100
Link:
https://www.joesandbox.com/analysis/1532499
Signature
Connects to a pastebin service (likely for C&C)
Found API chain indicative of debugger detection
Yara detected STRRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1532499 Sample: file.exe Startdate: 13/10/2024 Architecture: WINDOWS Score: 28 51 pastebin.com 2->51 53 www.pdffiller.com 2->53 55 2 other IPs or domains 2->55 61 Yara detected STRRAT 2->61 9 file.exe 9 2->9         started        signatures3 63 Connects to a pastebin service (likely for C&C) 51->63 process4 file5 35 C:\Users\user\AppData\Local\...\pdfFiller.exe, PE32 9->35 dropped 37 C:\Users\user\AppData\...\Install(4).exe, PE32 9->37 dropped 12 Install(4).exe 249 9->12         started        15 pdfFiller.exe 2 9->15         started        process6 file7 39 C:\Users\user\AppData\Roaming\...\zip.dll, PE32 12->39 dropped 41 C:\Users\user\AppData\...\wsdetect.dll, PE32 12->41 dropped 43 C:\Users\user\AppData\...\w2k_lsa_auth.dll, PE32 12->43 dropped 47 90 other files (none is malicious) 12->47 dropped 17 javaw.exe 23 12->17         started        45 C:\Users\user\AppData\Local\...\pdfFiller.tmp, PE32 15->45 dropped 21 pdfFiller.tmp 42 46 15->21         started        process8 dnsIp9 49 pastebin.com 104.20.4.235, 443, 49743 CLOUDFLARENETUS United States 17->49 59 Found API chain indicative of debugger detection 17->59 27 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 21->27 dropped 29 C:\...\unins000.exe (copy), PE32 21->29 dropped 31 C:\...\pdfFiller.exe (copy), PE32 21->31 dropped 33 60 other files (none is malicious) 21->33 dropped 24 pdfFiller.exe 15 9 21->24         started        file10 signatures11 process12 dnsIp13 57 d22ae2h56hzn7.cloudfront.net 18.239.50.16, 443, 49737 AMAZON-02US United States 24->57
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e8c90ed9b9acf1f82a0823c676420ac365d06b8399a91cb23a5ef535a49c2f7f
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5deq5wnzvty7qkqiepdhmqqkyns5a24dtgurzmr2l32tlje4f57q._file
Result
Malware family:
meshagent
Create hunting rule
Score:
  10/10
Tags:
family:meshagent backdoor discovery execution persistence rat trojan
Link:
https://tria.ge/reports/241013-nkz6catfqa/
Behaviour
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Sets service image path in registry
Detects MeshAgent payload
MeshAgent
Malware Config
Dropper Extraction:
http://46.8.227.16/uploads/meshagent32-mesh.png
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/64a35126-f58c-4856-ad2a-14fd860a509d
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/e8c90ed9b9acf1f82a0823c676420ac365d06b8399a91cb23a5ef535a49c2f7f

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:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Web download

STRRAT

Executable exe e8c90ed9b9acf1f82a0823c676420ac365d06b8399a91cb23a5ef535a49c2f7f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3232951/

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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments