MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2d8df96514495cb6b3fe66a6d61e70b8b6e92426910db93f7ae521be4fd2762. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2d8df96514495cb6b3fe66a6d61e70b8b6e92426910db93f7ae521be4fd2762
SHA3-384 hash: 2a9b54abb94ac633069724ee351399d853ab51a9cc7f8cfe64dce8ba9aa58c48316af72a924f0a8d894e258bb86d57f2
SHA1 hash: bdf01a361d4f2dab29daa3791b773a127e1d3344
MD5 hash: 3cf4d429039e6e547dc025a339f34f4d
humanhash: item-east-alpha-four
File name:AUG110820_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:788'992 bytes
First seen:2020-08-11 14:06:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:GaVclX0FhxLf1qD/DgxPOvAdqgqnNUVFvBqFn:W0FhxjsXGPOodqxCVF
Threatray 4'986 similar samples on MalwareBazaar
TLSH 6FF4BE457285AE49D02953788722C6B517F2AC1AAB24DA897FC33FEF3E727728705143
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: pcp1.mywebsitebox.com
Sending IP: 116.202.86.111
From: info <info@onlinemall.com.pk>
Reply-To: info <sm@centrimax.co>
Subject: FW:
Attachment: AUG110820_pdf.z (contains "AUG110820_pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/43487/
Detection(s):
SecuriteInfo.com.Fareit-FYE3CF4D429039E.11278.UNOFFICIAL
Create hunting rule

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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/419213
Signature
.NET source code contains potential unpacker
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)
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: 261979 Sample: AUG110820_pdf.exe Startdate: 11/08/2020 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Yara detected AntiVM_3 2->45 47 6 other signatures 2->47 10 AUG110820_pdf.exe 3 2->10         started        process3 file4 31 C:\Users\user\...\AUG110820_pdf.exe.log, Unknown 10->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 10->59 61 Injects a PE file into a foreign processes 10->61 14 AUG110820_pdf.exe 10->14         started        17 AUG110820_pdf.exe 10->17         started        signatures5 process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Sample uses process hollowing technique 14->67 69 Queues an APC in another process (thread injection) 14->69 19 explorer.exe 1 14->19 injected process8 dnsIp9 33 www.top-bonus-casino.info 185.120.77.68, 80 GOHOST-KZHostingProviderlocatedatAsiaKazakhstan-Ded Kazakhstan 19->33 35 10076.searchmagnified.com 209.99.64.76, 49738, 49739, 80 CONFLUENCE-NETWORK-INCVG United States 19->35 37 8 other IPs or domains 19->37 49 System process connects to network (likely due to code injection or exploit) 19->49 23 svchost.exe 1 12 19->23         started        signatures10 process11 dnsIp12 39 www.top-bonus-casino.info 23->39 51 System process connects to network (likely due to code injection or exploit) 23->51 53 Tries to steal Mail credentials (via file access) 23->53 55 Tries to harvest and steal browser information (history, passwords, etc) 23->55 57 3 other signatures 23->57 27 cmd.exe 1 23->27         started        signatures13 process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b2d8df96514495cb6b3fe66a6d61e70b8b6e92426910db93f7ae521be4fd2762/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 14:08:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wlmn7fsrisk4w2z74zvg2yphbofw5escneinxe7xvzjbxzh5e5ra._file
Verdict:
malicious
Label(s):
trickbot
Create hunting rule
Similar samples:
0f73e9d58b85ae9061722f0720ab2f76f9884042b9ac260e5c102564d4572004
Formbook
370293d95666a952ba140489c797e3c7d82a92cb400e360f7743075aee04ca10
Formbook
375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46
Formbook
3d7664dcebcb7d20b25a6890a6697a2a293239ea13f00695722d1dce023c8cb6
Formbook
510b24a8ddcc1a99925f07d8ec0b56489930147a95810b787291b3396bd54a7c
Formbook
878d3d77023a927c7dc6aaab23b90cd1203bcd1bacdeedf997692a4c60d24129
Formbook
9963cb9f95312d222c99fac596b5bf02d81ace63ebde79c37e2312d3e2ecd32f
Formbook
b32579e01c28fc0a157f14ce8c679d02fcd1f5c03f8eef56ba6a77a627786d84
Formbook
d4224f6f5b734de53a5a7e5f5675b05f9a808deb058e64d00859146f8255594c
Formbook
d9ba192982200a73ca54ce3c9f10c43a185e0d99864eee685bc7ba70c311110a
Formbook
+ 4'976 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence trojan spyware stealer family:formbook evasion
Link:
https://tria.ge/reports/200811-z7qlll4lfa/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mage-cart.info/qsb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b2d8df96514495cb6b3fe66a6d61e70b8b6e92426910db93f7ae521be4fd2762

File information

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

Malspam

Formbook

z 651de969b23b9ccefa429649a4eb97410e39055ef44ae7cbf6960eeb8cf63072

Formbook

Executable exe b2d8df96514495cb6b3fe66a6d61e70b8b6e92426910db93f7ae521be4fd2762

(this sample)

  
Dropped by
MD5 1af7842f50ab91aaa90e4590ca16f4d8
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/43487/
  
Dropped by
SHA256 651de969b23b9ccefa429649a4eb97410e39055ef44ae7cbf6960eeb8cf63072

Comments