MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a71bafff6bc2410fe174747fa49e15c5560151f2b39f586070d02695fde4c27. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 7a71bafff6bc2410fe174747fa49e15c5560151f2b39f586070d02695fde4c27
SHA3-384 hash: bc9470c78a398c819fd4bd25c6675edecc3f91929999756343ab9b17cb63acaff5f833d370306eb7f3a40cfc13c799ba
SHA1 hash: 5522abc6e81d704b24925ed24834c743fac8b9dd
MD5 hash: eb69c109e7240610b081100197b8d5e9
humanhash: december-uniform-hot-minnesota
File name:HPScan Payment 20.10.20.scr
Download: download sample
Signature Formbook
File size:496'640 bytes
First seen:2020-10-20 08:12:22 UTC
Last seen:2020-10-25 20:08:04 UTC
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:xwhdDvoyQzaUeeMPbv9pOTQ9A1GKZHNYPzodsF58LX:xAdD/TFxpOT4A1GUKzod
Threatray 2'547 similar samples on MalwareBazaar
TLSH 01B4DF8090955722F6B95BF521385924B7B11CC96FF2EE185EE032DB36F6B834A94C0F
Reporter abuse_ch
Tags:FormBook scr


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: rdns0.pesaaf.xyz
Sending IP: 138.68.238.17
From: MayBank2u <contact1@maybank.com>
Reply-To: commercial.rlavel@gmail.com
Subject: MayBank Corporate Internet Banking!
Attachment: HPScan Payment 20.10.20.scr.img (contains "HPScan Payment 20.10.20.scr")

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
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
Binary contains a suspicious time stamp
Executable has a suspicious name (potential lure to open the executable)
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)
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 300788 Sample: HPScan Payment 20.10.20.scr Startdate: 20/10/2020 Architecture: WINDOWS Score: 100 33 www.gmigroups.com 2->33 35 cdn.onenote.net 2->35 37 2 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 8 other signatures 2->51 11 HPScan Payment 20.10.20.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\...\HPScan Payment 20.10.20.exe.log, ASCII 11->31 dropped 61 Injects a PE file into a foreign processes 11->61 15 HPScan Payment 20.10.20.exe 11->15         started        18 HPScan Payment 20.10.20.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 39 www.kamenjoy.com 103.141.96.18, 49755, 80 VECTANTARTERIANetworksCorporationJP Japan 20->39 41 www.lowlife.one 77.111.240.191, 49754, 80 ONECOMDK Denmark 20->41 43 16 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 explorer.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Status:
Malicious
First seen:
2020-10-20 07:15:22 UTC
AV detection:
25 of 29 (86.21%)
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.gmigroups.com/dn87/
Unpacked files
SH256 hash:
7a71bafff6bc2410fe174747fa49e15c5560151f2b39f586070d02695fde4c27
MD5 hash:
eb69c109e7240610b081100197b8d5e9
SHA1 hash:
5522abc6e81d704b24925ed24834c743fac8b9dd
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
3e20e13ca3ab4727d2645658dba5e9986cdd5f89b8d4f1d3cd868f69b04d2787
MD5 hash:
9d8854f100029b8c2f1e989f8c3fb6a5
SHA1 hash:
7ff41be7b5b40633212fcbf73404b403027028ef
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Malspam

Formbook

Executable exe 7a71bafff6bc2410fe174747fa49e15c5560151f2b39f586070d02695fde4c27

(this sample)

  
Delivery method
Distributed via e-mail attachment

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