MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b92daf26444f20dda1b9473af9b4016f67fc4e87761b1429021aceba77e3dd5a. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b92daf26444f20dda1b9473af9b4016f67fc4e87761b1429021aceba77e3dd5a
SHA3-384 hash: 093fd1c72df9773c669d2f6f4fd762c76896d28592e19a91bc8cff40f87a66c66eb0949199d39d21ad7de62343ef8c07
SHA1 hash: 22cd8b5de95b184dfa1d49f80a981cd8367cfab8
MD5 hash: a609941d3573f765b9e5ce5f21bec964
humanhash: venus-fish-alanine-magazine
File name:purchase order.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:801'792 bytes
First seen:2020-08-04 06:39:08 UTC
Last seen:2020-08-04 08:20:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:vHcPgYxmOE+2Do4pPeRH89fnkBU76qGYOeqGPQZXx6KITdkDV:UIYxPeVZld2U79ulb6KEdMV
Threatray 5'311 similar samples on MalwareBazaar
TLSH 2005AEC6E5408E50DC294A3B8C3389924B33AC6FEF425606349CF6556BF319A6E75F83
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: murata.com
Sending IP: 103.99.1.145
From: peisan.lee@murata.com
Subject: Release Of Payment
Attachment: payment.zip (contains "purchase order.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38193/
Detection(s):
SecuriteInfo.com.Trojan.Siggen10.56.3495.30730.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408658
Signature
Benign windows process drops PE files
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256565 Sample: purchase order.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Yara detected AntiVM_3 2->58 60 8 other signatures 2->60 10 purchase order.exe 1 2->10         started        process3 file4 46 C:\Users\user\...\purchase order.exe.log, ASCII 10->46 dropped 13 purchase order.exe 10->13         started        process5 signatures6 78 Modifies the context of a thread in another process (thread injection) 13->78 80 Maps a DLL or memory area into another process 13->80 82 Sample uses process hollowing technique 13->82 84 Queues an APC in another process (thread injection) 13->84 16 explorer.exe 4 6 13->16 injected process7 dnsIp8 48 www.giftcardcodegenerator.com 104.247.81.131, 49746, 49747, 49748 TEAMINTERNET-CA-ASCA Canada 16->48 50 www.intensivprogramme.com 89.31.143.1, 49745, 80 QSC-AG-IPXDE Germany 16->50 52 2 other IPs or domains 16->52 40 C:\Users\user\AppData\...\win5jtp9tu.exe, PE32 16->40 dropped 62 System process connects to network (likely due to code injection or exploit) 16->62 64 Benign windows process drops PE files 16->64 21 svchost.exe 1 17 16->21         started        25 win5jtp9tu.exe 16->25         started        27 win5jtp9tu.exe 1 16->27         started        29 2 other processes 16->29 file9 signatures10 process11 file12 42 C:\Users\user\AppData\...\164logrv.ini, data 21->42 dropped 44 C:\Users\user\AppData\...\164logri.ini, data 21->44 dropped 66 Detected FormBook malware 21->66 68 Tries to steal Mail credentials (via file access) 21->68 70 Tries to harvest and steal browser information (history, passwords, etc) 21->70 76 2 other signatures 21->76 31 cmd.exe 1 21->31         started        72 Injects a PE file into a foreign processes 25->72 34 win5jtp9tu.exe 25->34         started        36 win5jtp9tu.exe 27->36         started        74 Tries to detect virtualization through RDTSC time measurements 29->74 signatures13 process14 signatures15 86 Tries to detect virtualization through RDTSC time measurements 31->86 38 conhost.exe 31->38         started        88 Modifies the context of a thread in another process (thread injection) 36->88 90 Maps a DLL or memory area into another process 36->90 92 Sample uses process hollowing technique 36->92 process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b92daf26444f20dda1b9473af9b4016f67fc4e87761b1429021aceba77e3dd5a/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 18:49:52 UTC
AV detection:
34 of 48 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xew26jsej4qn3inzi45ptnabn5t7ytuhoynrikicdlhlu57d3vna._file
Verdict:
malicious
Similar samples:
0c6ef50f134bbd723eddc99d8f9fc78b37e7e2590ec907ce4209075677add6d9
FormBook
1f6cc75fd60ebf9094d1e446292692518dae884f795b5db70b879e0fb942074b
FormBook
59b3d10d21cabf7b65afd5c425a6c0be1778646a1e5e1411875e8c52e38410b8
FormBook
703ff50ce5c0478d29687466ee83df7f4d7f302343039cba3bab46405e07433b
FormBook
8b6a946bbba908d8087fa23d3eb420ade3d88ea8c36023a97e6b9129c6453988
FormBook
9bbebb59b74b06b6d1db59d4d33f0baa4a6d44ec18b51b4ec11b9ae210e8bff8
FormBook
b6e89905d6d6238171dd9b2fe24dada39d4ca0f9e7634229e5c43b5f3b563dc5
FormBook
bb2f11cf6a69920db299f01b3f971aacd7277f0d37884deff05cba52e59b2998
FormBook
dcdd457e51bde64c24cf118ac54c8489efbc4bc55b5f1afc4facdfe673d3543e
FormBook
e2ff7c5e749d36ebfcc2a9d5af487369e454ef301a859eb8fc11ebe15ea73e34
FormBook
+ 5'301 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200804-y341pfpcy6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b92daf26444f20dda1b9473af9b4016f67fc4e87761b1429021aceba77e3dd5a

File information

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

Malspam

FormBook

zip 7daa64f8d89deee1ae3390dbdf89df275fba3336d6b33a9fe38903d1045fd3ce

FormBook

Executable exe b92daf26444f20dda1b9473af9b4016f67fc4e87761b1429021aceba77e3dd5a

(this sample)

  
Dropped by
MD5 81976c8ce995417db739acd064e97207
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 7daa64f8d89deee1ae3390dbdf89df275fba3336d6b33a9fe38903d1045fd3ce
Cape
Cape
https://www.capesandbox.com/analysis/38193/

Comments