MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d104548b154ac28142944b839993b9f0c8ad45d42a3e72d888aa8ba0e22562fd. 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: d104548b154ac28142944b839993b9f0c8ad45d42a3e72d888aa8ba0e22562fd
SHA3-384 hash: 04c6e7d572d8c9007626d47f5846a0601b1fbb3aad8a626d60aa19da24cd843c7ccdc4e88728422549883583cccbc15d
SHA1 hash: 48fe1138bb8323fa29f5b9d7b8e02a97dc0c9afa
MD5 hash: 4e904adeaaeac677885bbe4c6be06a3a
humanhash: black-high-florida-fruit
File name:KRD2020000000002 PDF.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:752'640 bytes
First seen:2020-07-29 10:32:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Tc/q31ibAH6F3KOXQrd9ORFZUzYXwkh3w9izh4sA7YprDKqIch7K1a:TcEAzFQWRFpXP+9QhAcDfOa
Threatray 5'133 similar samples on MalwareBazaar
TLSH DFF4BEA053418A5FD8780A34F0B9150092FCC353A59DDA8E2FE120EE59C579BFFA36D6
Reporter abuse_ch
Tags:exe FormBook geo TUR


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: www.inviva.com.tr
Sending IP: 185.135.222.66
From: arif@ozanadolu.com
Subject: 28.07.2020 tarihli, 872 TRY tutarlı, KRD2020000000002 numaralı faturanız
Attachment: KRD2020000000002 PDF.zip (contains "KRD2020000000002 PDF.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34756/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/402261
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Benign windows process drops PE files
Detected FormBook malware
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 dnsIp2 2 Behavior Graph ID: 253481 Sample: KRD2020000000002 PDF.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 51 www.apxlegal.com 2->51 53 apxlegal.com 2->53 55 2 other IPs or domains 2->55 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Yara detected AntiVM_3 2->67 69 8 other signatures 2->69 11 KRD2020000000002 PDF.exe 3 2->11         started        signatures3 process4 signatures5 91 Injects a PE file into a foreign processes 11->91 14 KRD2020000000002 PDF.exe 11->14         started        17 KRD2020000000002 PDF.exe 11->17         started        process6 signatures7 93 Modifies the context of a thread in another process (thread injection) 14->93 95 Maps a DLL or memory area into another process 14->95 97 Sample uses process hollowing technique 14->97 99 Queues an APC in another process (thread injection) 14->99 19 explorer.exe 3 6 14->19 injected process8 dnsIp9 57 onstatic-fr.setupdns.net 81.88.57.68, 49753, 49754, 49755 REGISTER-ASIT Italy 19->57 59 www.cuagonhuaviettin.com 167.71.214.205, 49751, 80 DIGITALOCEAN-ASNUS United States 19->59 61 www.netw.site 19->61 45 C:\Users\user\...\g4y4anopwp4xcpe0.exe, PE32 19->45 dropped 77 System process connects to network (likely due to code injection or exploit) 19->77 79 Benign windows process drops PE files 19->79 24 svchost.exe 19->24         started        28 g4y4anopwp4xcpe0.exe 19->28         started        30 g4y4anopwp4xcpe0.exe 19->30         started        32 3 other processes 19->32 file10 signatures11 process12 file13 47 C:\Users\user\AppData\...\536logrv.ini, data 24->47 dropped 49 C:\Users\user\AppData\...\536logri.ini, data 24->49 dropped 81 Detected FormBook malware 24->81 83 Tries to steal Mail credentials (via file access) 24->83 85 Tries to harvest and steal browser information (history, passwords, etc) 24->85 89 2 other signatures 24->89 34 cmd.exe 24->34         started        36 g4y4anopwp4xcpe0.exe 28->36         started        39 g4y4anopwp4xcpe0.exe 28->39         started        41 g4y4anopwp4xcpe0.exe 30->41         started        87 Tries to detect virtualization through RDTSC time measurements 32->87 signatures14 process15 signatures16 43 conhost.exe 34->43         started        71 Modifies the context of a thread in another process (thread injection) 41->71 73 Maps a DLL or memory area into another process 41->73 75 Sample uses process hollowing technique 41->75 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d104548b154ac28142944b839993b9f0c8ad45d42a3e72d888aa8ba0e22562fd/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 21:41:23 UTC
AV detection:
26 of 46 (56.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2ecfjcyvjlbicquujobzte5z6dek2roufi7hfweivkf2byrfml6q._file
Verdict:
malicious
Similar samples:
06078629129c4bc1abb214bbbe1bfadca65b618ac9f6f93fc3b22d0a37740f5b
FormBook
3305e88d2594770eced662a94933358d2d1d57534aebb9c6b7876e50de58a8a1
FormBook
38d4e4ea5e9b15b4d221cc6627a7b088a54964dfe95b49173a45bc5f9177a249
FormBook
548f6937985adb04cce6bda4127f3d2af247feada21eda348d1d6a0e8dd7d2c7
FormBook
7369dcfec21741f712f75662e29752b6a55fcacd1fbf76b9948d40b82e89b9a0
FormBook
902151e059b55427744a6947563251045a98a471b9a84ace8b286763e788c258
FormBook
a6009a6b0724811f3bb71fc6f0c6b3b1aad71448948175949c7eb8af82034e91
FormBook
b1d72f54b46528f1dd2265231ea91a8dcc2a4461dc897e1f7bd8d5e915f189f2
FormBook
c53c864741e005d5b04ca3349e81597e61b8ee3ecd7a03cddd2d15d955cbb04a
FormBook
d4c2c7795496056ece8e0de136ae63b316508f15bfa28582ceafbb190abfd790
FormBook
+ 5'123 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200729-vsvxl8htqn/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Maps connected drives based on registry
Adds Run key to start application
Checks BIOS information in registry
Deletes itself
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

FormBook

zip 68ac6f0ad7bce72b24cd1ed92e0ddeace4268c51281bfe030c4b8c3f38af6ec7

FormBook

Executable exe d104548b154ac28142944b839993b9f0c8ad45d42a3e72d888aa8ba0e22562fd

(this sample)

  
Dropped by
MD5 50adff2b73c2d25ac4a3a40086f8cc18
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34756/
  
Dropped by
SHA256 68ac6f0ad7bce72b24cd1ed92e0ddeace4268c51281bfe030c4b8c3f38af6ec7

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