MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments

SHA256 hash: 0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758
SHA3-384 hash: 36233dd86e66ca678fa264033b9b1b00478f8bd97bbefa29fd22d3a90d35023484e807bf0b63313111c2405e72289c17
SHA1 hash: 3e32249a1109d2ed4dbb18fcf07c89f1f48b136b
MD5 hash: 90a694e0439016ad06acf7f18fd459dc
humanhash: six-enemy-eleven-floor
File name:z19novaordemdecomprapdf.exe
Download: download sample
Signature Formbook
File size:593'920 bytes
First seen:2024-10-07 13:00:04 UTC
Last seen:2024-10-07 13:00:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Rkf0j2LkrPMx6TSEr4DONu9t+5zStgeXw6RubjMCO1wC:Rkl2q6TJ4DnuzSaTbjMCm
Threatray 2'454 similar samples on MalwareBazaar
TLSH T10AC42310830D8A6ADE1F1FB05881A3110E7E57336E9BDBD81DAF105F9D2AB4C4B817D6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
361
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
z19novaordemdecomprapdf.exe
Verdict:
Malicious activity
Analysis date:
2024-10-07 13:03:36 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Powershell Exploit Spawn Msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1528064 Sample: z19novaordemdecomprapdf.exe Startdate: 07/10/2024 Architecture: WINDOWS Score: 100 57 www.haad.xyz 2->57 59 www.rrivalgetaways.info 2->59 61 10 other IPs or domains 2->61 77 Suricata IDS alerts for network traffic 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 85 9 other signatures 2->85 11 z19novaordemdecomprapdf.exe 7 2->11         started        15 BrQcjBBjY.exe 5 2->15         started        signatures3 83 Performs DNS queries to domains with low reputation 57->83 process4 file5 49 C:\Users\user\AppData\Roaming\BrQcjBBjY.exe, PE32 11->49 dropped 51 C:\Users\...\BrQcjBBjY.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\Temp\tmp1E8.tmp, XML 11->53 dropped 55 C:\Users\...\z19novaordemdecomprapdf.exe.log, ASCII 11->55 dropped 95 Uses schtasks.exe or at.exe to add and modify task schedules 11->95 97 Writes to foreign memory regions 11->97 99 Allocates memory in foreign processes 11->99 101 Adds a directory exclusion to Windows Defender 11->101 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        103 Multi AV Scanner detection for dropped file 15->103 105 Machine Learning detection for dropped file 15->105 107 Injects a PE file into a foreign processes 15->107 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 75 2 other signatures 17->75 28 explorer.exe 53 1 17->28 injected 71 Loading BitLocker PowerShell Module 20->71 32 WmiPrvSE.exe 20->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        73 Found direct / indirect Syscall (likely to bypass EDR) 24->73 38 conhost.exe 26->38         started        process9 dnsIp10 63 www.haad.xyz 13.248.252.114, 58344, 80 AMAZON-02US United States 28->63 109 System process connects to network (likely due to code injection or exploit) 28->109 111 Uses netsh to modify the Windows network and firewall settings 28->111 40 netsh.exe 28->40         started        43 svchost.exe 28->43         started        signatures11 process12 signatures13 87 Modifies the context of a thread in another process (thread injection) 40->87 89 Maps a DLL or memory area into another process 40->89 91 Tries to detect virtualization through RDTSC time measurements 40->91 93 Switches to a custom stack to bypass stack traces 40->93 45 cmd.exe 1 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Threat name:
ByteCode-MSIL.Trojan.PureCrypter
Status:
Malicious
First seen:
2024-10-07 13:01:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gy15 discovery execution rat spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Unpacked files
SH256 hash:
68cd13f79e17d39ecd2700b3873bdd760ecc0fe37e0b454a4d824939bf9819de
MD5 hash:
5e36a02780dac916f5bfca9c4a173d28
SHA1 hash:
ad6ea07430085c135d481024dee21d9787dc33e0
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
SH256 hash:
0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758
MD5 hash:
90a694e0439016ad06acf7f18fd459dc
SHA1 hash:
3e32249a1109d2ed4dbb18fcf07c89f1f48b136b
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758

(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