MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb2f11cf6a69920db299f01b3f971aacd7277f0d37884deff05cba52e59b2998. 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: 6


Intelligence 6 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb2f11cf6a69920db299f01b3f971aacd7277f0d37884deff05cba52e59b2998
SHA3-384 hash: 45dae282baf8f8da078ab6b28fbc671e3f7e4c7b5a00104258641a53d01167b71beb44592321f091043fa8d036d5ccd7
SHA1 hash: f2cd6aba0a0a8afe200d32a0924f303b2c7bfead
MD5 hash: aa24403edf99c8d47caf552a2db37ac9
humanhash: summer-thirteen-november-minnesota
File name:purchase order.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:721'920 bytes
First seen:2020-07-30 07:39:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:cGZIdyZm8omOEAFy/2uCo+QglVOSzDbVsoh3dgSbInmixJMvB1l:cGGYVb8FjuCRKEDJ/h2SbGmWJ
Threatray 5'327 similar samples on MalwareBazaar
TLSH 2CE4C044BB90D50FC66B8F76C6D45800EAB8E4DA4A1BE38B74C173FF18CE36AA901575
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: fromm-pack.com
Sending IP: 103.99.1.145
From: pgundawar@fromm-pack.com
Subject: NEW PO FROM ALANTECH CO.,LTD QTTY (PO#7A68D20) 
Attachment: PURCHASE LIST.zip (contains "purchase order.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35380/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/403324
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253895 Sample: purchase order.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 38 g.msn.com 2->38 40 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->40 48 Malicious sample detected (through community Yara rule) 2->48 50 Yara detected AntiVM_3 2->50 52 Yara detected FormBook 2->52 54 5 other signatures 2->54 11 purchase order.exe 1 2->11         started        signatures3 process4 file5 36 C:\Users\user\...\purchase order.exe.log, ASCII 11->36 dropped 62 Injects a PE file into a foreign processes 11->62 15 purchase order.exe 11->15         started        18 purchase order.exe 11->18         started        20 purchase order.exe 11->20         started        22 purchase order.exe 11->22         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 Queues an APC in another process (thread injection) 15->70 24 explorer.exe 15->24 injected process9 dnsIp10 42 www.minnesotaauto.loan 24->42 44 www.j9d9.com 24->44 46 www.butiku01.com 24->46 27 explorer.exe 24->27         started        30 autoconv.exe 24->30         started        process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 27->56 58 Maps a DLL or memory area into another process 27->58 60 Tries to detect virtualization through RDTSC time measurements 27->60 32 cmd.exe 1 27->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb2f11cf6a69920db299f01b3f971aacd7277f0d37884deff05cba52e59b2998/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 07:40:10 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xmxrdt3kngja3muz6ant7fy2vtlso7yng6ee337qls5ffzm3fgma._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0c6ef50f134bbd723eddc99d8f9fc78b37e7e2590ec907ce4209075677add6d9
FormBook
1f6cc75fd60ebf9094d1e446292692518dae884f795b5db70b879e0fb942074b
FormBook
59b3d10d21cabf7b65afd5c425a6c0be1778646a1e5e1411875e8c52e38410b8
FormBook
703ff50ce5c0478d29687466ee83df7f4d7f302343039cba3bab46405e07433b
FormBook
8b6a946bbba908d8087fa23d3eb420ade3d88ea8c36023a97e6b9129c6453988
FormBook
9bbebb59b74b06b6d1db59d4d33f0baa4a6d44ec18b51b4ec11b9ae210e8bff8
FormBook
b6e89905d6d6238171dd9b2fe24dada39d4ca0f9e7634229e5c43b5f3b563dc5
FormBook
b92daf26444f20dda1b9473af9b4016f67fc4e87761b1429021aceba77e3dd5a
FormBook
dcdd457e51bde64c24cf118ac54c8489efbc4bc55b5f1afc4facdfe673d3543e
FormBook
e2ff7c5e749d36ebfcc2a9d5af487369e454ef301a859eb8fc11ebe15ea73e34
FormBook
+ 5'317 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200730-ycc3akgntn/
Behaviour
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/bb2f11cf6a69920db299f01b3f971aacd7277f0d37884deff05cba52e59b2998

File information

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

Malspam

FormBook

zip a972d323d14d91995ee3f4c5f2e264d0a34558ba1c9464de22aae7e21686e56a

FormBook

Executable exe bb2f11cf6a69920db299f01b3f971aacd7277f0d37884deff05cba52e59b2998

(this sample)

  
Dropped by
MD5 b9fc2e50aab0e8636a1df79150d6705a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a972d323d14d91995ee3f4c5f2e264d0a34558ba1c9464de22aae7e21686e56a
Cape
Cape
https://www.capesandbox.com/analysis/35380/

Comments