MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41ac704c7b71aa0419cb1344ba49806667f9f72ce0e4750f8353279a3f2e33ad. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 41ac704c7b71aa0419cb1344ba49806667f9f72ce0e4750f8353279a3f2e33ad
SHA3-384 hash: ad7669c08a634b7b939159254a2314027352ad21d865a906bebc677d71335713296efbbedf62d16dc05092c01dd39638
SHA1 hash: a3b7a53df4e9c4125ab6c03c8d1e50204cf0ff9f
MD5 hash: 1ff326b327dfb16c932fe4d904f4ccf7
humanhash: lake-mockingbird-eight-twelve
File name:Debit note Jan-Jul 2024.exe
Download: download sample
File size:758'272 bytes
First seen:2024-08-26 12:13:04 UTC
Last seen:2024-08-26 14:45:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (60 x Formbook, 23 x AgentTesla, 20 x RemcosRAT)
ssdeep 12288:5sHzOUNUSB/o5LsI1uwajJ5yvv1l27rzUEX5ENgcGCXfkUg9vfopCHm3If3/8xLE:giUmSB/o5d1ubcvMX5UgcXyfop0v8xLE
TLSH T1A9F42331A6C1EC52D21223F4843E8DA946627530DBD57FEB8354F6EF5832292899337E
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter cocaman
Tags:exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
361
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Debit note Jan-Jul 2024.exe
Verdict:
Suspicious activity
Analysis date:
2024-08-26 12:13:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Shellcodecrypter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
autoit lolbin microsoft_visual_cc packed 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:
expl.evad
Score:
92 / 100
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1499003 Sample: Debit note Jan-Jul 2024.exe Startdate: 26/08/2024 Architecture: WINDOWS Score: 92 68 Multi AV Scanner detection for submitted file 2->68 70 Sigma detected: Drops script at startup location 2->70 72 Binary is likely a compiled AutoIt script file 2->72 74 4 other signatures 2->74 14 Debit note Jan-Jul 2024.exe 6 2->14         started        18 wscript.exe 1 2->18         started        process3 file4 66 C:\Users\user\AppData\Local\...\name.exe, PE32 14->66 dropped 98 Binary is likely a compiled AutoIt script file 14->98 20 name.exe 3 14->20         started        100 Windows Scripting host queries suspicious COM object (likely to drop second stage) 18->100 24 name.exe 2 18->24         started        signatures5 process6 file7 64 C:\Users\user\AppData\Roaming\...\name.vbs, data 20->64 dropped 80 Multi AV Scanner detection for dropped file 20->80 82 Binary is likely a compiled AutoIt script file 20->82 84 Drops VBS files to the startup folder 20->84 86 Found API chain indicative of sandbox detection 20->86 26 name.exe 2 20->26         started        29 name.exe 2 24->29         started        signatures8 process9 signatures10 92 Binary is likely a compiled AutoIt script file 26->92 31 name.exe 2 26->31         started        34 name.exe 2 29->34         started        process11 signatures12 102 Binary is likely a compiled AutoIt script file 31->102 36 name.exe 2 31->36         started        39 name.exe 2 34->39         started        process13 signatures14 78 Binary is likely a compiled AutoIt script file 36->78 41 name.exe 2 36->41         started        44 name.exe 39->44         started        process15 signatures16 90 Binary is likely a compiled AutoIt script file 41->90 46 name.exe 2 41->46         started        49 name.exe 44->49         started        process17 signatures18 96 Binary is likely a compiled AutoIt script file 46->96 51 name.exe 2 46->51         started        54 name.exe 49->54         started        process19 signatures20 76 Binary is likely a compiled AutoIt script file 51->76 56 name.exe 2 51->56         started        59 name.exe 54->59         started        process21 signatures22 88 Binary is likely a compiled AutoIt script file 56->88 61 name.exe 2 56->61         started        process23 signatures24 94 Binary is likely a compiled AutoIt script file 61->94
Threat name:
Win32.Trojan.Strictor
Status:
Malicious
First seen:
2024-08-25 23:18:12 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Drops startup file
Executes dropped EXE
Loads dropped DLL
UPX packed file
Unpacked files
SH256 hash:
b56ca9d855c924787ee2fc975458503b38c2cdc2990386bc1aba61372ba4a5f0
MD5 hash:
70b61828deeb6bc00745fe9f4d283437
SHA1 hash:
f2fb66e2c0311841603dbf3220a11ea4b84a8ea1
SH256 hash:
9e19653473bdb87cc4cdc799f8fccb7ed550be84f65bf8df375f2d5441a571ea
MD5 hash:
87d0974b1fc5af987a4c732aae0cd6f7
SHA1 hash:
ef02628db9d6c190e8a16a9dc6bcf0a2b70db1dd
Detections:
AutoIT_Compiled
SH256 hash:
41ac704c7b71aa0419cb1344ba49806667f9f72ce0e4750f8353279a3f2e33ad
MD5 hash:
1ff326b327dfb16c932fe4d904f4ccf7
SHA1 hash:
a3b7a53df4e9c4125ab6c03c8d1e50204cf0ff9f
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_detect_tls_callbacks
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 41ac704c7b71aa0419cb1344ba49806667f9f72ce0e4750f8353279a3f2e33ad

(this sample)

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

Comments