MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2c689776ac0293d25b03d0c864f9c5a5314d06da7a126682350939196eb16e6. 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 1 File information Comments

SHA256 hash: a2c689776ac0293d25b03d0c864f9c5a5314d06da7a126682350939196eb16e6
SHA3-384 hash: 260357d55ecd78847fc448ab57e20c0d07a927c662d5cf26f6e82b6a79d7912f30081deab179641dd2223efad6b6c584
SHA1 hash: e1ceded6a92bce78bcbd474d0db6bd5b3baab72a
MD5 hash: 7615f70fca84827a050c45dd607c6bab
humanhash: ceiling-papa-potato-yankee
File name:Paymentadvise.exe
Download: download sample
Signature Formbook
File size:869'376 bytes
First seen:2020-10-09 15:42:09 UTC
Last seen:2020-10-09 17:16:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:aMWEw1QkjuqCIeqG09/r4TyxDW8ZQQ6xuAP:aMFDqCIee/r4TQDW8ZQQEuAP
Threatray 2'497 similar samples on MalwareBazaar
TLSH 7205F014B51064FFCC1EC9BAE97B0C689E2131B787275107206F2B984EDD626DF790EA
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
PE file has nameless sections
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 295899 Sample: Paymentadvise.exe Startdate: 09/10/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 8 other signatures 2->42 10 Paymentadvise.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Paymentadvise.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 56 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->56 14 Paymentadvise.exe 10->14         started        signatures5 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 30 www.microscopiacelular.com 217.160.0.74, 49751, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->30 32 soho-innovations.com 34.102.136.180, 49749, 80 GOOGLEUS United States 17->32 34 www.soho-innovations.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 explorer.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-09 13:46:12 UTC
AV detection:
22 of 29 (75.86%)
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.208ky.com/nl8/
Unpacked files
SH256 hash:
a2c689776ac0293d25b03d0c864f9c5a5314d06da7a126682350939196eb16e6
MD5 hash:
7615f70fca84827a050c45dd607c6bab
SHA1 hash:
e1ceded6a92bce78bcbd474d0db6bd5b3baab72a
SH256 hash:
4e486046cf914ab5b9426636c310b0566d3587183e708608f621f2da479b48e2
MD5 hash:
7c32016e430b9292887883220f105466
SHA1 hash:
6e47c640f678a83574c48b52419c2b8e7e7da950
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information


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

Comments