MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db1a111df60b02e8045e9ddd1a0134346f59c66148e2e00ed93ae8033eac5a9a. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash: db1a111df60b02e8045e9ddd1a0134346f59c66148e2e00ed93ae8033eac5a9a
SHA3-384 hash: 59d752afc654a6734d1c348413b6fd3acd9fed6cbe5ecc4b532f5f7bbd2d22a5ff029aee635ae1b3dfbabf8cc8c8957b
SHA1 hash: 91c9f496d910c53901dbe5937c14197bf019ebc8
MD5 hash: 5a8815f495c8e4d6e631ba76b17e992a
humanhash: ten-alabama-stream-harry
File name:5a8815f495c8e4d6e631ba76b17e992a
Download: download sample
Signature Formbook
File size:248'745 bytes
First seen:2022-03-23 10:25:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGimsrOBjDbHD70pF2Ij9c7xslxNoeD+LQoaiH3:X+jb7+2Ije7+lxieaLQorH3
TLSH T1D5341249B6D06FFBD5E299301B7B7FA8EBFDCB8A41A00A030768DF6B1D215094C054DA
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 595091 Sample: KEv5xD8H8n Startdate: 23/03/2022 Architecture: WINDOWS Score: 100 36 www.ipvkxjge.online 2->36 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 5 other signatures 2->54 12 KEv5xD8H8n.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\ececq.exe, PE32 12->32 dropped 34 C:\Users\user\AppData\...\krj4ltd2s55dny, DOS 12->34 dropped 15 ececq.exe 12->15         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 15->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 70 Injects a PE file into a foreign processes 15->70 18 ececq.exe 15->18         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 18->40 42 Maps a DLL or memory area into another process 18->42 44 Sample uses process hollowing technique 18->44 46 Queues an APC in another process (thread injection) 18->46 21 explorer.exe 18->21 injected process10 dnsIp11 38 www.raptorwin.com 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 25 help.exe 21->25         started        signatures12 process13 signatures14 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-03-23 08:47:26 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sh30 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
9d0d74273f228665e7cf10f7b0cf58d3a82b53ff27e3b7aa04dedb4b3ab37477
MD5 hash:
6f00a4e068dd131be7a1d146d10f80e0
SHA1 hash:
96f7fe4305c1c0d4cbfacf7ef856a3f704323319
SH256 hash:
db1a111df60b02e8045e9ddd1a0134346f59c66148e2e00ed93ae8033eac5a9a
MD5 hash:
5a8815f495c8e4d6e631ba76b17e992a
SHA1 hash:
91c9f496d910c53901dbe5937c14197bf019ebc8
Malware family:
FormBook
Verdict:
Malicious
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe db1a111df60b02e8045e9ddd1a0134346f59c66148e2e00ed93ae8033eac5a9a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-03-23 10:25:25 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/maxon.exe