MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5007dc70fdff0e6a544f49c91da3ce378772cb397cdbb0bb3af33f4acb714add. 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: 5007dc70fdff0e6a544f49c91da3ce378772cb397cdbb0bb3af33f4acb714add
SHA3-384 hash: a2129d8428d9bb570bdf7005adb1c309ebea2d8adef71385c7e171dd5e8106ae57310434b33956b652769a0dfdb32ed3
SHA1 hash: 68f0383a67441534f031248323a1a805bbd723bc
MD5 hash: 1a3ae8b6306b1d6a1fc713c0c95669ef
humanhash: nitrogen-tennis-papa-monkey
File name:Email PO#.exe
Download: download sample
Signature Formbook
File size:701'952 bytes
First seen:2020-10-15 10:34:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:oNpHhFtlc1qlpgcPWcs3jDZnDZjXg6+22SfaLpgR7kE/0+Jh3u9+s8S6:8/te1qkVcs3hDZ7g8xW
Threatray 2'456 similar samples on MalwareBazaar
TLSH 4DE4CFAC3650B1EFC45BCD728AA42C60AA207477530BD307A45726ADDA0EADBCF155F3
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: citech-bd.com
Sending IP: 103.141.138.124
From: FKN GROUP <fkn@citech-bd.com>
Subject: PO# 48762020
Attachment: Email PO.r03 (contains "Email PO#.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
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
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 netstat to query active network connections and open ports
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 298500 Sample: Email PO#.exe Startdate: 15/10/2020 Architecture: WINDOWS Score: 100 36 www.cleanoralbr.com 2->36 38 shops.myshopify.com 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 8 other signatures 2->48 11 Email PO#.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...mail PO#.exe.log, ASCII 11->28 dropped 14 RegSvcs.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 668ruby.com 103.207.71.33, 80 READYSERVER-SGREADYSERVERPTELTDSG Hong Kong 17->30 32 www.rantinandravin.com 104.232.97.41, 49769, 80 HENGTONG-IDC-LLCUS United States 17->32 34 2 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-14 13:04:43 UTC
AV detection:
23 of 29 (79.31%)
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.premium-vitality.com/nko/
Unpacked files
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
5007dc70fdff0e6a544f49c91da3ce378772cb397cdbb0bb3af33f4acb714add
MD5 hash:
1a3ae8b6306b1d6a1fc713c0c95669ef
SHA1 hash:
68f0383a67441534f031248323a1a805bbd723bc
SH256 hash:
efa2221a989c0388bb4fd20543f8ba0d92aa9a7786b988c9da4da47819501f30
MD5 hash:
048aad59de75e97d48047928346b5c16
SHA1 hash:
2c9ff6ba17c388a7f2ff938744b739928414efe8
SH256 hash:
3c4765237ed706eff6aaa441f39d7c2ab84dd8f2358a065aebec02a5de019f8e
MD5 hash:
e10f6aab60b19fb1a199a0bb4c73e2f0
SHA1 hash:
75fbf3cb112bcd54f06c5be6d25f50fa61e34ca1
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 5007dc70fdff0e6a544f49c91da3ce378772cb397cdbb0bb3af33f4acb714add

(this sample)

  
Delivery method
Distributed via e-mail attachment

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