MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8503a1f5cb8754ce4f765b9c02cf1e2d92463cf9a7603d65812cbc2a83a6d8ec. 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



RaspberryRobin


Vendor detections: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 8503a1f5cb8754ce4f765b9c02cf1e2d92463cf9a7603d65812cbc2a83a6d8ec
SHA3-384 hash: 11acaa3549bf2c166ad174fffe6625211971d521e718a01c37363f0ba746fc6b37a4bcb1438af96fab7c94024bb6b59b
SHA1 hash: 6bbf75d373d02903457b64cde00dfe28236d81c6
MD5 hash: 9afa42b10a388290fd7c9cec01f2ecf4
humanhash: alpha-ack-missouri-colorado
File name:file
Download: download sample
Signature RaspberryRobin
File size:2'871'296 bytes
First seen:2024-07-07 08:17:11 UTC
Last seen:2024-07-07 09:27:25 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash c56d19bc9955d23d9f0d7719c4d3a6ad (1 x RaspberryRobin)
ssdeep 49152:PefXXwtIIReQZ3zUb3evpt8w+7inh5hHplgXD3mSev11Z:2fXXKllk3PTQ5hJlgCT
TLSH T1DDD501F49499E4D1FC2A447E6B62B5E55ABBF24003269173A520CCB37916FD60A3C33B
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d4aae6e2e2a6a6e4 (7 x RaspberryRobin)
Reporter Bitsight
Tags:dll RaspberryRobin


Avatar
Bitsight
url: http://fellzobr.com/download/random.dll

Intelligence


File Origin
# of uploads :
2
# of downloads :
338
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
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.
Malware family:
Raspberry Robin
Verdict:
Malicious
Result
Threat name:
Dridex Dropper
Detection:
malicious
Classification:
evad.bank
Score:
72 / 100
Signature
Dridex dropper found
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1468662 Sample: file.dll Startdate: 07/07/2024 Architecture: WINDOWS Score: 72 19 u8c.mom 2->19 25 Multi AV Scanner detection for submitted file 2->25 27 Dridex dropper found 2->27 29 Machine Learning detection for sample 2->29 8 loaddll32.exe 1 2->8         started        signatures3 process4 signatures5 31 Tries to detect sandboxes / dynamic malware analysis system (file name check) 8->31 11 cmd.exe 1 8->11         started        13 conhost.exe 8->13         started        process6 process7 15 rundll32.exe 1 12 11->15         started        dnsIp8 21 u8c.mom 104.21.31.132, 443, 49774 CLOUDFLARENETUS United States 15->21 23 System process connects to network (likely due to code injection or exploit) 15->23 signatures9
Threat name:
Win32.Trojan.Zenpak
Status:
Malicious
First seen:
2024-07-07 08:18:06 UTC
File Type:
PE (Dll)
Extracted files:
16
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
8503a1f5cb8754ce4f765b9c02cf1e2d92463cf9a7603d65812cbc2a83a6d8ec
MD5 hash:
9afa42b10a388290fd7c9cec01f2ecf4
SHA1 hash:
6bbf75d373d02903457b64cde00dfe28236d81c6
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:Check_OutputDebugStringA_iat
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:packer_raspberryrobin
Author:Nikos 'n0t' Totosis
Description:Raspberry Robin Packer (Experimental)

File information


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

Web download

RaspberryRobin

DLL dll 8503a1f5cb8754ce4f765b9c02cf1e2d92463cf9a7603d65812cbc2a83a6d8ec

(this sample)

  
Dropped by
Amadey
  
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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::InitializeAcl
MULTIMEDIA_APICan Play MultimediaWINMM.dll::waveInMessage
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AssignProcessToJobObject
WIN_BASE_IO_APICan Create FilesVERSION.dll::GetFileVersionInfoW

Comments