MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a408401b6dd73b19e6655d6e2c68e78d5ac56dfa8cb105b7fa653b02590a949d. 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
Formbook
Vendor detections: 12
| SHA256 hash: | a408401b6dd73b19e6655d6e2c68e78d5ac56dfa8cb105b7fa653b02590a949d |
|---|---|
| SHA3-384 hash: | aa3518b3d2cdd7f74308e855692670019501dfd3adc8dc4adcd8a4bfc77ef322a374222d82f877269399f6fefdc2113a |
| SHA1 hash: | 4a484702c518903ed351d23cf2aded6efb677d7c |
| MD5 hash: | 0831be87ba259aeeab3021ae393ff305 |
| humanhash: | kansas-north-may-yankee |
| File name: | 0831be87ba259aeeab3021ae393ff305 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'641'224 bytes |
| First seen: | 2024-11-07 04:46:24 UTC |
| Last seen: | 2024-11-07 07:35:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | df6d1c20dc810ef2c588ac6ad8bcec75 (1 x Formbook) |
| ssdeep | 49152:3bdYAm4zKbdYAm4zSs5XbdYAm4zabdYAm4zgmNlU+5f2QYD:LdrAdrZrdrwdrdlU6O9 |
| TLSH | T13175BE83764C5BFEC8524731B23A84A01364BEAF5260134732DEFB2E5DF659E182E1D6 |
| TrID | 28.5% (.EXE) Win64 Executable (generic) (10522/11/4) 17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 13.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 12.2% (.EXE) Win32 Executable (generic) (4504/4/1) 5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | ecec889ce6d8e8f0 (40 x Formbook, 21 x AgentTesla, 12 x SnakeKeylogger) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
441
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0831be87ba259aeeab3021ae393ff305
Verdict:
No threats detected
Analysis date:
2024-11-07 04:49:49 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
obfuscated shellcode remo
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Searching for the window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm crypto hacktool microsoft_visual_basic packed zusy
Verdict:
Malicious
Labled as:
Zusy.Generic
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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found direct / indirect Syscall (likely to bypass EDR)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Yara detected Generic Dropper
Behaviour
Behavior Graph:
Score:
95%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Multiverze
Status:
Malicious
First seen:
2024-10-31 12:37:00 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4caf70ebce438ece6c0069914b0eaedec523772d46aa4bd3dae29e1e96fe9f13
MD5 hash:
0409ff5f3f0eeff782d28dd7fa11f0dd
SHA1 hash:
ca58afec1584f108e093897fb90c4526c9d8cd11
Detections:
win_formbook_g0
win_formbook_w0
Windows_Trojan_Formbook
SH256 hash:
d5f83d7590607065deaab7780885454dd7268b33ac607487f59242c881dc239f
MD5 hash:
e0c8325d03a4668e655fc2aae18c306e
SHA1 hash:
e392a8004f049de8d38607648055dc99bc0648f6
SH256 hash:
a408401b6dd73b19e6655d6e2c68e78d5ac56dfa8cb105b7fa653b02590a949d
MD5 hash:
0831be87ba259aeeab3021ae393ff305
SHA1 hash:
4a484702c518903ed351d23cf2aded6efb677d7c
Verdict:
Malicious
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: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | SEH__vba |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| VB_API | Legacy Visual Basic API used | MSVBVM60.DLL::__vbaSetSystemError MSVBVM60.DLL::__vbaObjSetAddref MSVBVM60.DLL::EVENT_SINK_AddRef |
Comments
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