MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3a55a5e05993d9369c5c407f00e05e235b39c45aba71fa25c6618827e767fa66. 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: 13
| SHA256 hash: | 3a55a5e05993d9369c5c407f00e05e235b39c45aba71fa25c6618827e767fa66 |
|---|---|
| SHA3-384 hash: | d66570a8ab89760db13bb83fbdb8ac77b8b7bdb7cf92a7a434722e59189d4a648328d089dd886ad519ae46567eedd93c |
| SHA1 hash: | 6371d301a9e1f1ed8aaf5dfedbd78b5ab9d9f875 |
| MD5 hash: | 7525ab848775a801b83b312c794d9167 |
| humanhash: | avocado-illinois-uranus-berlin |
| File name: | PO-2024-8111-DL-B1.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 723'456 bytes |
| First seen: | 2024-11-14 07:03:39 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ef471c0edf1877cd5a881a6a8bf647b9 (74 x Formbook, 33 x Loki, 29 x Loda) |
| ssdeep | 12288:oOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiFRO0/8qrxlG+wvMxMi05:oq5TfcdHj4fmbmXxlGpkxMN5 |
| TLSH | T1CDF423A194D84CB2D6B13B31817A8F401E16B931DE597B8E1B99F76E34363872481F3E |
| TrID | 33.9% (.EXE) UPX compressed Win32 Executable (27066/9/6) 33.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 13.1% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.6% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
422
Origin country :
NLVendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Tags:
injects autoit virus gates
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm autoit compiled-script microsoft_visual_cc packed packed packed packer_detected phishing upx
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Machine Learning detection for sample
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
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2024-11-13 23:59:49 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
30 of 38 (78.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
5/10
Tags:
discovery upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Verdict:
Malicious
Tags:
Win.Malware.Nymeria-9830267-0
YARA:
n/a
Unpacked files
SH256 hash:
78bf62e829003a9c412400a62fac49cd85079e4dc4729da4cacc71bce423f7d8
MD5 hash:
e2223c1269dd0f37b35bfb5d1aa4fdcb
SHA1 hash:
9f3299366d68e60fba4fdf63a2214703e3643363
SH256 hash:
a584a02164374d00166a586751205d4419d805a17b8a03cbb260b6bed709b4e2
MD5 hash:
6b9b68eecf3b4e6e38112f1e737698ce
SHA1 hash:
c99fa9250ca7f0410c939e0243779c34e61365c3
SH256 hash:
f3efd2631c3a01bc292405133a60eeb87011b22c5735892508c96a2afa8c28f2
MD5 hash:
59912095d4c86f8d809bc634ce905551
SHA1 hash:
eef5d117a3fc0f81c03ef9dfd8c4256c3763a282
Detections:
AutoIT_Compiled
SH256 hash:
3a55a5e05993d9369c5c407f00e05e235b39c45aba71fa25c6618827e767fa66
MD5 hash:
7525ab848775a801b83b312c794d9167
SHA1 hash:
6371d301a9e1f1ed8aaf5dfedbd78b5ab9d9f875
Verdict:
Malicious
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: | 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.
No further information available
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 (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::timeGetTime |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AddAce |
| WIN_BASE_API | Uses Win Base API | KERNEL32.DLL::LoadLibraryA |
| WIN_NETWORK_API | Supports Windows Networking | MPR.dll::WNetUseConnectionW |
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