MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4656e43fe5addfaa6f568353d432f7ccfea23b8c64e0e10641716822e3a199fa. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 4656e43fe5addfaa6f568353d432f7ccfea23b8c64e0e10641716822e3a199fa
SHA3-384 hash: 45923df7423a64a600af250c6a6b1743c2c0cbb9bd7216ee03f41d8f875fe07fa10c0d1a983bc75adb271522901ce7a2
SHA1 hash: acf1bb9cfe06151ec5f8486b1108c5c51406a443
MD5 hash: 26836b42cca9688cfdc7c1806ec039f0
humanhash: winner-don-mexico-hawaii
File name:Updated Price List.exe
Download: download sample
Signature Formbook
File size:803'328 bytes
First seen:2025-04-14 04:57:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:1xlaVwv6CxoSgDh/+c6H7mH5/e1aWHzHU:RuSEw8x+HA
Threatray 159 similar samples on MalwareBazaar
TLSH T1D205020023A8D816C1E61B781932D27C06B7AD9DA636D7834ECDBCDF7B6BB4616013D6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 88c0e8ba62f49a97 (11 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
523
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Updated Price List.exe
Verdict:
No threats detected
Analysis date:
2025-04-14 05:00:12 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious 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
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1664349 Sample: Updated Price List.exe Startdate: 14/04/2025 Architecture: WINDOWS Score: 100 30 www.tieniu09.xyz 2->30 32 www.globedesign.xyz 2->32 34 8 other IPs or domains 2->34 44 Suricata IDS alerts for network traffic 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 52 4 other signatures 2->52 10 Updated Price List.exe 3 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 file5 28 C:\Users\user\...\Updated Price List.exe.log, ASCII 10->28 dropped 13 Updated Price List.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 y6UWxFw0X2c9ZynO3xtL.exe 13->16 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 16->42 19 auditpol.exe 13 16->19         started        process10 signatures11 54 Tries to steal Mail credentials (via file / registry access) 19->54 56 Tries to harvest and steal browser information (history, passwords, etc) 19->56 58 Modifies the context of a thread in another process (thread injection) 19->58 60 3 other signatures 19->60 22 y6UWxFw0X2c9ZynO3xtL.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 36 amazonas.uol.com.br 200.147.35.224, 49694, 80 UniversoOnlineSABR Brazil 22->36 38 webredir.vip.gandi.net 217.70.184.50, 49704, 49705, 49706 GANDI-ASDomainnameregistrar-httpwwwgandinetFR France 22->38 40 4 other IPs or domains 22->40 62 Found direct / indirect Syscall (likely to bypass EDR) 22->62 signatures14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-04-14 03:22:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4656e43fe5addfaa6f568353d432f7ccfea23b8c64e0e10641716822e3a199fa
MD5 hash:
26836b42cca9688cfdc7c1806ec039f0
SHA1 hash:
acf1bb9cfe06151ec5f8486b1108c5c51406a443
SH256 hash:
d0e6284b2d9707437c20b13a448deaf7bc067352e43115168eb08f87cf1fea20
MD5 hash:
894a72ad610696a1eea3ae7b37bae74e
SHA1 hash:
0fd0e7190f8b788fe6a74a0bdcd7abca428b57a1
SH256 hash:
15c131da671fbe3060d79f7dd2ff7e2a54c364786cabcaa1fff93fc9bb7d32da
MD5 hash:
c2e96ea2ddf817acaf15193da742cceb
SHA1 hash:
504f48e65e98fed70826a300cda8d295405d3920
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
5b5790e5e11e0aa5b2fa54b9010932a716b33bcbcfed62504084cecb1be34ca5
MD5 hash:
d294b21eb0d0b60b71534a2097ea35cc
SHA1 hash:
fd5c416a1c6c5937bc66f3faea9a0d033a39df09
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 4656e43fe5addfaa6f568353d432f7ccfea23b8c64e0e10641716822e3a199fa

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments