MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42468be1102807825f890daa9a0c53c0662e5dc12041a50a58119b416bba8527. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 42468be1102807825f890daa9a0c53c0662e5dc12041a50a58119b416bba8527
SHA3-384 hash: b4986d94cad9e2adc7e4a1a075396410c5689d0eecc26e00aa511376bb3bcc140007202e0248735cd3dd0483b220575c
SHA1 hash: e0be5690680a521f0bcb6ce042375aed138bcfba
MD5 hash: da5bc0b5f31ad437462f0a559d616f6f
humanhash: stairway-lactose-bravo-timing
File name:42468be1102807825f890daa9a0c53c0662e5dc12041a50a58119b416bba8527
Download: download sample
Signature Formbook
File size:630'784 bytes
First seen:2024-11-07 14:17:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:4oBKYvI8nwxReY99IiX1uL2jWGDSAlBXPT18I5zJILfoKR+Ew/l7bVJ:JOmwz99IiXALgfHXPT1882oB7BJ
Threatray 268 similar samples on MalwareBazaar
TLSH T161D4126C5A4AE507CA9017354EF2F2B9197C1EEDE901E2138FDCAFEBB936D058C04252
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
42468be1102807825f890daa9a0c53c0662e5dc12041a50a58119b416bba8527
Verdict:
No threats detected
Analysis date:
2024-11-07 15:03:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed packed packer_detected
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Machine Learning detection for sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551187 Sample: eqs1injgtK.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 37 www.ookmouse.fun 2->37 39 www.inematography-course-72246.bond 2->39 41 5 other IPs or domains 2->41 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 11 eqs1injgtK.exe 3 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\eqs1injgtK.exe.log, ASCII 11->35 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Switches to a custom stack to bypass stack traces 11->57 15 eqs1injgtK.exe 11->15         started        18 eqs1injgtK.exe 11->18         started        20 eqs1injgtK.exe 11->20         started        22 2 other processes 11->22 signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 2 other signatures 15->71 24 explorer.exe 71 1 15->24 injected process9 dnsIp10 43 g71532f.cdn.0000cdgnfz.com 154.23.243.75, 49786, 80 COGENT-174US United States 24->43 53 System process connects to network (likely due to code injection or exploit) 24->53 28 msiexec.exe 24->28         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 28->59 61 Maps a DLL or memory area into another process 28->61 63 Switches to a custom stack to bypass stack traces 28->63 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2024-09-02 16:43:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d16h discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
00c889072b241adcf808e9103a31bf4eccb1f287937ceda7ab561444ebf514d9
MD5 hash:
95325207ea54c48e2c0220535942688c
SHA1 hash:
f36a0082191264d06eaea460885bffd50454b444
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
8f3e8fb00b864b774ba1ff591b4d2f29d04cf4fea45e179f39309b984a92093c
MD5 hash:
d0223abc16917fd6ab9a529f597cc431
SHA1 hash:
6de268dcad66b83e126c39b7cb8aaec020d64dcb
SH256 hash:
42468be1102807825f890daa9a0c53c0662e5dc12041a50a58119b416bba8527
MD5 hash:
da5bc0b5f31ad437462f0a559d616f6f
SHA1 hash:
e0be5690680a521f0bcb6ce042375aed138bcfba
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:pe_imphash
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

Formbook

Executable exe 42468be1102807825f890daa9a0c53c0662e5dc12041a50a58119b416bba8527

(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