MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 890a6d5db1a4d100cd3872a878a4f6e80e993efd3c5e36a9452a0434171e9201. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 890a6d5db1a4d100cd3872a878a4f6e80e993efd3c5e36a9452a0434171e9201
SHA3-384 hash: 29e84ec58fbf9c6c28fc9b698f9eb1fefce8c6e77d027140db8aadeda1fcb8f567933e456e63789ee3753bafe0a5051b
SHA1 hash: b21401c0000a07aa165096f56e2d76dac248c002
MD5 hash: 7fff99a6a0540cbb427a3cd0cf75bfd3
humanhash: lemon-victor-oven-sierra
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:804'352 bytes
First seen:2020-10-28 08:27:58 UTC
Last seen:Never
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:yQE9ztfVQ+K9yaMECSUhq239+RKc8xxX4WtsM7M8sxYnnc1fNxI/CR0crx9bfi/Q:yDWp9yjECS72t9xxFcrEQ
TLSH 9C052A9C365072DED86BC279DAA81C2CEA907C77831B4247A017719E993D987EF142F3
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: zhongnengcq.cn
Sending IP: 156.96.60.139
From: sales@zhongnengcq.cn
Subject: Complied end of year Order and our current specific price list
Attachment: Products Sample and Spec. Requirements With Detailed Drawings.rar (contains "Quotation.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80361/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514754
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 306497 Sample: Quotation.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AntiVM_3 2->39 41 6 other signatures 2->41 10 Quotation.exe 3 2->10         started        process3 signatures4 49 Tries to detect virtualization through RDTSC time measurements 10->49 51 Injects a PE file into a foreign processes 10->51 13 Quotation.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 27 www.chrals.online 162.0.231.18, 49753, 80 NAMECHEAP-NETUS Canada 16->27 29 www.kxaez.club 34.120.201.31, 49754, 80 GOOGLEUS United States 16->29 31 www.amersdisk.info 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 raserver.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/890a6d5db1a4d100cd3872a878a4f6e80e993efd3c5e36a9452a0434171e9201/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 01:46:48 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=refg2xnrutiqbtjyokuhrjhw5ahjspx5hrpdnkkfficdify6siaq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201028-rssq2lsjdx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.obluedotpanowdshop.com/pe3/
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

rar edb122a4fb7c65f88ca6fbc8324901a3635837257e50cb1f7f515d61f4a5d8c4

Formbook

Executable exe 890a6d5db1a4d100cd3872a878a4f6e80e993efd3c5e36a9452a0434171e9201

(this sample)

  
Dropped by
MD5 def50c0b35f0704e06f79467003d7939
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/80361/
  
Dropped by
SHA256 edb122a4fb7c65f88ca6fbc8324901a3635837257e50cb1f7f515d61f4a5d8c4

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