MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df2ad4f06e072787902fb0160a7d2dc0d2db3c033ce66ae0f44ab5284e392d15. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: df2ad4f06e072787902fb0160a7d2dc0d2db3c033ce66ae0f44ab5284e392d15
SHA3-384 hash: cfae012aed5804510b5d831e79003652f23d105291273c8d7979e1a71ded7bdf096360b29e24d1d4a1ec0ce224f7516c
SHA1 hash: f6d2543e4c65c02998dddc4968b087a5e6929a82
MD5 hash: 529a7a244fb26b7cbfa53477a85064f1
humanhash: blue-march-iowa-juliet
File name:INVOICE.exe
Download: download sample
Signature FormBook
File size:502'272 bytes
First seen:2020-08-06 06:24:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:rfDTuMjD8JwSTkTCIq/UZSOGHgzToHUKE3:rPa/Z/UfEHUT
Threatray 5'171 similar samples on MalwareBazaar
TLSH 33B48C2052300ADBD3FC4178890D724455F28E6A1A5AF6E5FDBB34D6B6F27B04B2D84B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: alnassar.com.sa
Sending IP: 162.244.93.110
From: Kim <admin@jinhaokuangji.cn>
Reply-To: admin@jinhaokuangji.cn
Subject: 请随函附上我们的订单号BCM20072020
Attachment: INVOICE.zip (contains "INVOICE.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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 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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 258364 Sample: INVOICE.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 36 www.teleclara.com 2->36 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM_3 2->42 44 Yara detected FormBook 2->44 46 4 other signatures 2->46 9 INVOICE.exe 3 2->9         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 9->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 9->56 58 Injects a PE file into a foreign processes 9->58 13 INVOICE.exe 9->13         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 13->60 62 Maps a DLL or memory area into another process 13->62 64 Queues an APC in another process (thread injection) 13->64 16 explorer.exe 13->16 injected process9 dnsIp10 30 nohy-su-sexy.com 81.2.194.128, 49738, 49739, 49740 INTERNET-CZKtis238403KtisCZ Czech Republic 16->30 32 www.teleclara.com 16->32 34 4 other IPs or domains 16->34 38 System process connects to network (likely due to code injection or exploit) 16->38 20 cscript.exe 17 16->20         started        signatures11 process12 file13 24 C:\Users\user\AppData\...\-P9logrv.ini, data 20->24 dropped 26 C:\Users\user\AppData\...\-P9logri.ini, data 20->26 dropped 48 Detected FormBook malware 20->48 50 Tries to steal Mail credentials (via file access) 20->50 52 Tries to harvest and steal browser information (history, passwords, etc) 20->52 54 3 other signatures 20->54 signatures14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-06 01:02:41 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook Payload
Formbook
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

Executable exe df2ad4f06e072787902fb0160a7d2dc0d2db3c033ce66ae0f44ab5284e392d15

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments