MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f4394572b606f03890726b8ab03753c450d539bc0c3ef57310a32ec17d869159. 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: 10
| SHA256 hash: | f4394572b606f03890726b8ab03753c450d539bc0c3ef57310a32ec17d869159 |
|---|---|
| SHA3-384 hash: | 06594ac4e602658e06afb8477d4b4d72d626ebb763455f081b1649ac37f7419eba0fb08670acc8ca2bbb94676a2c5a7b |
| SHA1 hash: | 8e77c5057da1ce7da562e612204e5ac1d7593410 |
| MD5 hash: | e7bbc16183e0e1b7ae8a9a4f7317e5cd |
| humanhash: | mango-beer-purple-kansas |
| File name: | Purchase Order No_15..exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 17'816 bytes |
| First seen: | 2024-01-17 07:37:53 UTC |
| Last seen: | 2024-01-17 09:18:22 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 384:L7P3pzoeYpv0KYvlqKYvlWmVGoGCJEF8ZpHoCB:fPYpv0KY9qKY9LtEFiR1 |
| TLSH | T1CE826C846BE81203F9EB1F31CAF791E3EFB9B2131562AA1F2DF480552E4634010553BB |
| TrID | 28.5% (.EXE) Win64 Executable (generic) (10523/12/4) 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) (4505/5/1) 5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook signed |
Code Signing Certificate
| Organisation: | Microsoft Cooperation 2023 |
|---|---|
| Issuer: | Microsoft Cooperation 2023 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-01-15T15:13:27Z |
| Valid to: | 2025-01-15T15:13:27Z |
| Serial number: | 18dfd4613d5ebe445a42236cb2808ba0 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 8520844b78c1f1412ddf11e45395e0ceee8772caddf04902faad6f6c71a2f5e1 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
336
Origin country :
DEVendor Threat Intelligence
Detection:
n/a
Detection(s):
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
masquerade overlay packed
Verdict:
Malicious
Labled as:
Trojan.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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-01-15 17:46:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
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:
f4394572b606f03890726b8ab03753c450d539bc0c3ef57310a32ec17d869159
MD5 hash:
e7bbc16183e0e1b7ae8a9a4f7317e5cd
SHA1 hash:
8e77c5057da1ce7da562e612204e5ac1d7593410
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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.
Malspam
Delivery method
Distributed via e-mail attachment
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