MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a566d5f1d8c962fba2c10102275118dba15251f6790d88839b3a60bfd533fcb0. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: a566d5f1d8c962fba2c10102275118dba15251f6790d88839b3a60bfd533fcb0
SHA3-384 hash: 1aa78ebf6d7e467703c64442b2f970959de76f588f333f765f82fc8e5179a7b22a36df086c9b4697b7f6f109d29df59b
SHA1 hash: 55fb3efc6d0949f42740505aff8f0e22b7ad5b6c
MD5 hash: 525961d4c5c9b810b51cd875f7ba031b
humanhash: kansas-stream-comet-steak
File name:RT9865430000.exe
Download: download sample
File size:696'320 bytes
First seen:2024-07-01 05:59:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:YYV6MorX7qzuC3QHO9FQVHPF51jgcmITjox6hKYFXtcbJUH4eLpFRQZevJftc:3BXu9HGaVHjoYZtcbiTLpFke4
Threatray 65 similar samples on MalwareBazaar
TLSH T148E422844AE49D76C0941776C43BAD109D6174BACEE43B58C2E9F22BF8723A3DC4752E
TrID 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
12.1% (.EXE) Win64 Executable (generic) (10523/12/4)
7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter lowmal3
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
397
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
AutoIt lolbin microsoft_visual_cc packed packed shell32 upx
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:
60 / 100
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1465043 Sample: RT9865430000.exe Startdate: 01/07/2024 Architecture: WINDOWS Score: 60 48 Multi AV Scanner detection for submitted file 2->48 50 Binary is likely a compiled AutoIt script file 2->50 52 Machine Learning detection for sample 2->52 54 AI detected suspicious sample 2->54 14 RT9865430000.exe 4 2->14         started        process3 signatures4 70 Binary is likely a compiled AutoIt script file 14->70 17 RT9865430000.exe 2 14->17         started        process5 signatures6 46 Binary is likely a compiled AutoIt script file 17->46 20 RT9865430000.exe 2 17->20         started        process7 signatures8 58 Binary is likely a compiled AutoIt script file 20->58 23 RT9865430000.exe 2 20->23         started        process9 signatures10 62 Binary is likely a compiled AutoIt script file 23->62 26 RT9865430000.exe 2 23->26         started        process11 signatures12 66 Binary is likely a compiled AutoIt script file 26->66 29 RT9865430000.exe 2 26->29         started        process13 signatures14 68 Binary is likely a compiled AutoIt script file 29->68 32 RT9865430000.exe 2 29->32         started        process15 signatures16 44 Binary is likely a compiled AutoIt script file 32->44 35 RT9865430000.exe 2 32->35         started        process17 signatures18 56 Binary is likely a compiled AutoIt script file 35->56 38 RT9865430000.exe 2 35->38         started        process19 signatures20 60 Binary is likely a compiled AutoIt script file 38->60 41 RT9865430000.exe 2 38->41         started        process21 signatures22 64 Binary is likely a compiled AutoIt script file 41->64
Threat name:
Win32.Trojan.Strab
Status:
Malicious
First seen:
2024-06-28 16:24:42 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
upx
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
AutoIT Executable
UPX packed file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
7de9d50c5f6d54430bee2227e2fcd43dea95ca330cc62d020f8949e292ceca17
MD5 hash:
4fd4a8eca14ff15074e60f569ebe26f9
SHA1 hash:
1f38b46c0171bdbff9378f3c043aa578761ce20b
SH256 hash:
003b468f895bbe8cd3a12176aeca5b63196ec337b7543d54712d3f1636073408
MD5 hash:
7040d062abee7c1429872b0c30e70fa9
SHA1 hash:
e5921e5b11934fa095d15018451ca3063ccf7fdd
Detections:
AutoIT_Compiled
SH256 hash:
a566d5f1d8c962fba2c10102275118dba15251f6790d88839b3a60bfd533fcb0
MD5 hash:
525961d4c5c9b810b51cd875f7ba031b
SHA1 hash:
55fb3efc6d0949f42740505aff8f0e22b7ad5b6c
Detections:
SUSP_Imphash_Mar23_3
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:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

File information


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

Malspam

Executable exe a566d5f1d8c962fba2c10102275118dba15251f6790d88839b3a60bfd533fcb0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments