MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8b731e64d082fe12c422b241324bf8d15c1322f0a6b51f3eb247eab4b95d57f. 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
| SHA256 hash: | a8b731e64d082fe12c422b241324bf8d15c1322f0a6b51f3eb247eab4b95d57f |
|---|---|
| SHA3-384 hash: | 20fba2ac20f38ff32e686a167fdef6a94cf4d6762a0bd3bdc3dff99e3ca277438ace406ee76373f21ecde64ef724f6af |
| SHA1 hash: | da55f69e3fb26eb9cdf765de372166805b72333f |
| MD5 hash: | 0fa6d48b265cd7fa6ac66900ddb61081 |
| humanhash: | fifteen-indigo-artist-jupiter |
| File name: | Kopia płatności_Santander_TF1903218545300000564290004.exe |
| Download: | download sample |
| File size: | 988'160 bytes |
| First seen: | 2024-12-13 08:40:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:iVpKSNljGcO+9LGrF5arjeKKKc399K4U1DWn2rSlMbMK:mKSNljGQaB5IeKKKcNnU1VM |
| TLSH | T165251980F7B48967D95E2732E0A337149AF0DAA523CFB642D6B399281C937D45E04EC7 |
| TrID | 43.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 34.3% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 6.2% (.EXE) Win64 Executable (generic) (10522/11/4) 3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.0% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | 0d4d090767596971 |
| Reporter |  abuse_ch |
| Tags: | de-pumped exe Santander |
Intelligence
File Origin
# of uploads :
1
# of downloads :
89
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
83f370b8-9545-4b94-9518-3cb01d7c9cd3
Verdict:
Malicious activity
Analysis date:
2024-12-13 08:24:56 UTC
Tags:
purecrypter netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.3%
Tags:
micro
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
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:
OpenCvSharp
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
88 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Exploit.Generic
Status:
Malicious
First seen:
2024-12-13 08:24:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a8b731e64d082fe12c422b241324bf8d15c1322f0a6b51f3eb247eab4b95d57f
MD5 hash:
0fa6d48b265cd7fa6ac66900ddb61081
SHA1 hash:
da55f69e3fb26eb9cdf765de372166805b72333f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | RansomPyShield_Antiransomware |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP) |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
exe a8b731e64d082fe12c422b241324bf8d15c1322f0a6b51f3eb247eab4b95d57f
(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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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