MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 60f31cb36be01c55029cfd0df0ec485dfbaeed434bc1dbbbdde091e767f7fdf3. 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: 60f31cb36be01c55029cfd0df0ec485dfbaeed434bc1dbbbdde091e767f7fdf3
SHA3-384 hash: 8f3ef656e0c38e913cfb3fa248c2318e411aefbe4bae90d42f8544fb936d64d9234c702f8168ce9a1adc1e12f8933fe5
SHA1 hash: 78c1e4cb4c1db7e0afae1208624bd4481caec227
MD5 hash: 12a9e34b14b28cf01714296c4a9be3d9
humanhash: zebra-island-bakerloo-stream
File name:z16BOLETOBANCÁRIO.exe
Download: download sample
Signature Formbook
File size:574'976 bytes
First seen:2023-11-30 11:42:01 UTC
Last seen:2023-11-30 13:25:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:PqfLYYZXTy+LQyzALnrzi0qV9ZBdnhEId6WNIYeB1UdE67o5mx6BuV+I4:GXTpQX/BqVVBF9NIYDeKXV+I
TLSH T1EDC423566682563BF5221BF63C96691813F079124498FBBC46E3A5DB08373B4FB62333
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 186c6c6c98e866d2 (10 x AgentTesla, 8 x Formbook, 1 x SnakeKeylogger)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
334
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
z16BOLETOBANCÁRIO.exe
Verdict:
Malicious activity
Analysis date:
2023-11-30 11:44:27 UTC
Tags:
formbook xloader stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Using the Windows Management Instrumentation requests
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
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: 1350497 Sample: z16BOLETOBANC#U00c1RIO.exe Startdate: 30/11/2023 Architecture: WINDOWS Score: 100 51 www.8x101n.xyz 2->51 53 www.whatsapp1.autos 2->53 55 13 other IPs or domains 2->55 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Found malware configuration 2->75 79 11 other signatures 2->79 11 z16BOLETOBANC#U00c1RIO.exe 7 2->11         started        15 WFCvSwe.exe 5 2->15         started        signatures3 77 Performs DNS queries to domains with low reputation 51->77 process4 file5 47 C:\Users\user\AppData\Roaming\WFCvSwe.exe, PE32 11->47 dropped 49 C:\Users\user\AppData\Local\...\tmp132B.tmp, XML 11->49 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 11->87 89 Writes to foreign memory regions 11->89 91 Adds a directory exclusion to Windows Defender 11->91 93 Injects a PE file into a foreign processes 11->93 17 RegSvcs.exe 11->17         started        20 powershell.exe 22 11->20         started        22 schtasks.exe 1 11->22         started        95 Antivirus detection for dropped file 15->95 97 Multi AV Scanner detection for dropped file 15->97 99 Machine Learning detection for dropped file 15->99 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 2 other signatures 17->69 28 explorer.exe 7 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 57 sciencemediainstitute.com 103.247.11.116, 49744, 80 RUMAHWEB-AS-IDRumahwebIndonesiaCVID Indonesia 28->57 59 www.stadtliche-arbeit.info 80.67.16.8, 49746, 80 GD-EMEA-DC-CGN1DE Germany 28->59 61 5 other IPs or domains 28->61 101 System process connects to network (likely due to code injection or exploit) 28->101 38 cmmon32.exe 28->38         started        41 rundll32.exe 28->41         started        signatures11 process12 signatures13 81 Modifies the context of a thread in another process (thread injection) 38->81 83 Maps a DLL or memory area into another process 38->83 85 Tries to detect virtualization through RDTSC time measurements 38->85 43 cmd.exe 38->43         started        process14 process15 45 conhost.exe 43->45         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-30 10:33:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gy14 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
75accc0c2926e373c395dafe8324b0dbd256bb398ae8a765abbab18f2729c09a
MD5 hash:
f4aa278c181d6a5da571b7fa14025898
SHA1 hash:
523666ffb8bed7d116377446724536c553629dae
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
Parent samples :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 hash:
51674486612e300fde800d8b11e5c3a4d3d2d164d903dcd64bcc42226b05c81a
MD5 hash:
ef1f42e650562f4ee6a1fecec8181997
SHA1 hash:
f36f5bae4eb74636233ea23fbaa6b97085140bfa
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
957f7c21e30a539c45a0647d51d85d5d4eea5a57aa27b4a40f6e68be85bce765
MD5 hash:
ab0bf60a779dfd94d726b47eb40de135
SHA1 hash:
42b40eab9995fb2dc9cd600ebf73fddc45725f63
SH256 hash:
60f31cb36be01c55029cfd0df0ec485dfbaeed434bc1dbbbdde091e767f7fdf3
MD5 hash:
12a9e34b14b28cf01714296c4a9be3d9
SHA1 hash:
78c1e4cb4c1db7e0afae1208624bd4481caec227
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 60f31cb36be01c55029cfd0df0ec485dfbaeed434bc1dbbbdde091e767f7fdf3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments