MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9960236e7b8167ec9b3ebc5426392923b89f58763b83c914bd34bfd93ad8aaab. 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: 9960236e7b8167ec9b3ebc5426392923b89f58763b83c914bd34bfd93ad8aaab
SHA3-384 hash: c71587a9457e55678d91913ef8d273089f05b6d14b9409b4ba89bb3acf1c54529ccc564d59513ff13bb5ddd11ed42bed
SHA1 hash: 9914f3823ac23b0fc0989651e94c71c729a04825
MD5 hash: f474a217c3aef6a4bc1294999edb5dec
humanhash: sierra-hamper-juliet-aspen
File name:zelIxbPSWok3YNl.exe
Download: download sample
Signature Formbook
File size:727'552 bytes
First seen:2024-09-06 12:23:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:9mlKWNu9Qetd4HIPM5b+RBKrv1tKT50H0SU9CT+zOs3BArx3/fs7z1v:9WpMsb5bYmve5b9CT+6mBArN/E7
Threatray 1'545 similar samples on MalwareBazaar
TLSH T19CF4021CDAAAAE16CB6803FD802315541333C95AA602FB6FEFE534B60F53BD8C585583
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
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 threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
395
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
zelIxbPSWok3YNl.exe
Verdict:
Malicious activity
Analysis date:
2024-09-06 12:27:25 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Network Stealth Kryptik
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed vbnet
Result
Verdict:
UNKNOWN
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
.NET source code contains very large array initializations
AI detected suspicious sample
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)
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
Tries to resolve many domain names, but no domain seems valid
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1505580 Sample: zelIxbPSWok3YNl.exe Startdate: 06/09/2024 Architecture: WINDOWS Score: 100 31 www.uyamiclearnow.online 2->31 33 www.ujairahtenniscountry.club 2->33 35 11 other IPs or domains 2->35 39 Suricata IDS alerts for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 11 zelIxbPSWok3YNl.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\zelIxbPSWok3YNl.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Switches to a custom stack to bypass stack traces 11->59 15 zelIxbPSWok3YNl.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 18 explorer.exe 60 1 15->18 injected process9 dnsIp10 37 77980.bodis.com 199.59.243.226, 49742, 80 BODIS-NJUS United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 mstsc.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 55 Switches to a custom stack to bypass stack traces 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.Spynoon
Status:
Malicious
First seen:
2024-09-06 12:24:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
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 behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1dc1abde31a003d565669fd309ca0f9c3ae65afc7ce4e055687980c14a16b295
MD5 hash:
775a0d70a5da5fc1523ff75a80a24f6f
SHA1 hash:
ddbc37e1c03ec09d11b4de6957a639b782ee2925
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
150c6e7de31574a3dc8c09d743987ec2c43c9bd0e6aecbf91042722359e3adc0
MD5 hash:
48815524d9fe314ab98f8df0b182908f
SHA1 hash:
a0e4dded97841cded11dce2a1b84670be882f22c
SH256 hash:
9960236e7b8167ec9b3ebc5426392923b89f58763b83c914bd34bfd93ad8aaab
MD5 hash:
f474a217c3aef6a4bc1294999edb5dec
SHA1 hash:
9914f3823ac23b0fc0989651e94c71c729a04825
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

File information


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

Malspam

Formbook

Executable exe 9960236e7b8167ec9b3ebc5426392923b89f58763b83c914bd34bfd93ad8aaab

(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