MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 42b27bb90f896b2a330438916038292955c7311791ef6ccf42177f78584a04d2. 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: 11
| SHA256 hash: | 42b27bb90f896b2a330438916038292955c7311791ef6ccf42177f78584a04d2 |
|---|---|
| SHA3-384 hash: | 9a5e7706d5b84ecc132f2b783e6907c05e1857f02475bfd86f3e71b4897606d25a985d48883acb6326a734a93dac96c8 |
| SHA1 hash: | e159d84d6697b11092a745ba031d4dc1be000e80 |
| MD5 hash: | 6caff15248881101526b8977f3facdbf |
| humanhash: | william-single-jersey-music |
| File name: | DHL shipment arriva.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 23'960 bytes |
| First seen: | 2024-01-24 10:09:36 UTC |
| Last seen: | 2024-01-24 11:32:05 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 384:xuBq0csxekW8SepCRgJWAX3bAlP6Hx4QZb7fupj30RoOEW+lacGoGCJEF8ZpHsNp:PkF3bLHh0ERoOb6EFiRCp |
| Threatray | 8 similar samples on MalwareBazaar |
| TLSH | T1D1B26D4507B8AB02C9F907B459B254301F71B39F25A4D63E2CE9D0DA29333A44F52B9F |
| TrID | 30.2% (.EXE) Win64 Executable (generic) (10523/12/4) 18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 14.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 12.9% (.EXE) Win32 Executable (generic) (4505/5/1) 5.9% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  abuse_ch |
| Tags: | DHL exe FormBook signed |
Code Signing Certificate
| Organisation: | Microsoft Cooperation 2023 |
|---|---|
| Issuer: | Microsoft Cooperation 2023 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-01-23T05:13:46Z |
| Valid to: | 2025-01-23T05:13:46Z |
| Serial number: | f3a0bb877aa5359f286f8f9f8e076124 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | f64f58a66133e4db12433f40f5a50f723197419209030940ec47e53c3b0e5de0 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
327
Origin country :
NLVendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
masquerade overlay packed
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.
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
93%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2024-01-23 11:22:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
16 of 38 (42.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
42b27bb90f896b2a330438916038292955c7311791ef6ccf42177f78584a04d2
MD5 hash:
6caff15248881101526b8977f3facdbf
SHA1 hash:
e159d84d6697b11092a745ba031d4dc1be000e80
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| 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.
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