MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb057cfb03afa92cd042a3a39914b3e79179f2e2000030d23cc3b69255a5664e. 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

SHA256 hash: eb057cfb03afa92cd042a3a39914b3e79179f2e2000030d23cc3b69255a5664e
SHA3-384 hash: 5bdb86b17cda2e702d850e741c5d0b500c43bf014c0b114948ceb630a2bc33ac710feaa583b704162df1e8b048ab7285
SHA1 hash: b52087b7f58e9ddd0b2246275f488c4d13f35dd7
MD5 hash: ab9093d9d3fe3befb0a9ccc084488615
humanhash: equal-football-bravo-alaska
File name:Quotation.exe
Download: download sample
Signature Formbook
File size:596'992 bytes
First seen:2020-10-26 12:54:47 UTC
Last seen:2020-10-26 15:21:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:aLZKADHluUh9CE2z6fKjIAfgVKTJc6so2i6Z4Rcfjg/IJ:mDH99hM8kLoi6g0fJ
Threatray 2'774 similar samples on MalwareBazaar
TLSH E3C4E021738C9746E17D87B84021C030A7F1BC86DB22DA197EE47A9F25F2E848F65B17
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: wooleunglee.com.hk
Sending IP: 156.96.60.139
From: sales@wooleunglee.com.hk
Subject: Re:Bulk Product Inquiries
Attachment: IMG. Video Clips Of Sample Products.img (contains "Quotation.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the Windows subdirectories
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
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
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 304991 Sample: Quotation.exe Startdate: 26/10/2020 Architecture: WINDOWS Score: 100 34 www.alexcavaliere.com 2->34 36 alexcavaliere.com 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Yara detected AntiVM_3 2->44 46 6 other signatures 2->46 11 Quotation.exe 4 2->11         started        signatures3 process4 signatures5 54 Tries to detect virtualization through RDTSC time measurements 11->54 56 Injects a PE file into a foreign processes 11->56 14 Quotation.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 28 wilvangroup-rdc.com 185.98.131.234, 49737, 80 RMI-FITECHFR France 17->28 30 alexcavaliere.com 34.102.136.180, 49750, 49754, 80 GOOGLEUS United States 17->30 32 5 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-26 01:42:36 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
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

Executable exe eb057cfb03afa92cd042a3a39914b3e79179f2e2000030d23cc3b69255a5664e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments