MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6657aeabd5ded830361aad9112749d785fc0fbe46121daeb7acb23cd841274ed. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 6657aeabd5ded830361aad9112749d785fc0fbe46121daeb7acb23cd841274ed
SHA3-384 hash: 4d052f67b9d2eb78bb8d5310a578bec9c0cedbcd94c0d1aca87bfaf6989d42daedd64307e325687b0b63ca3fa6bb876e
SHA1 hash: 180167e875280b9ddce80e715a50bbd18912b651
MD5 hash: 652744fb67a7cca34697aed9469b73d3
humanhash: sweet-moon-washington-friend
File name:New PO#700-20-HDO410444RF217,pdf.exe
Download: download sample
Signature Formbook
File size:398'432 bytes
First seen:2021-04-06 08:15:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9c523d8653da5455667e3f82274f2f88 (6 x Formbook, 2 x SnakeKeylogger, 1 x AZORult)
ssdeep 6144:gbO3stvLGtELbMUTKZbQTK3bnifMVG2WbAmqJ84m90+4q:bSityjK91z2MVQbAH+420Xq
Threatray 4'541 similar samples on MalwareBazaar
TLSH 21846D823184DCDAE44329F258AFD57061787D9E8164CA0E3743BF2BA5E7342349B79E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: cloudhost-75426.au-south-1.nxcli.net
Sending IP: 103.224.90.79
From: Zhangjian J. Anthony <sales@yuenchang.com.tw>
Subject: Re: Khẩn cấp !!! New PO#700-20
Attachment: New PO700-20-HDO410444RF217,pdf.iso (contains "New PO#700-20-HDO410444RF217,pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New PO#700-20-HDO410444RF217,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-06 08:24:53 UTC
Tags:
installer trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Sending a UDP request
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 382616 Sample: New PO#700-20-HDO410444RF21... Startdate: 06/04/2021 Architecture: WINDOWS Score: 100 31 www.kdietz.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 New PO#700-20-HDO410444RF217,pdf.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\uh04ce.dll, PE32 11->29 dropped 55 Maps a DLL or memory area into another process 11->55 15 New PO#700-20-HDO410444RF217,pdf.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.gooaoo.com 154.91.52.154, 49750, 80 VPSQUANUS Seychelles 18->33 35 nanasbackyard.com 192.185.122.118, 49760, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 14 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-04-06 08:16:10 UTC
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.thetriggerfinger.net/evh4/
Unpacked files
SH256 hash:
345e957d808efae77f4b460f5623240aa8f5b1e5992182124872026024c63394
MD5 hash:
50af49cf84310acf735f12ea4e69c5e2
SHA1 hash:
395945d823f202d3e7cf66f6f1ced2637982dea6
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
3faff36beb908d856e9a418a9cee47e61539ce5f244dba3968f517bccce7d8ae
MD5 hash:
feea4f4373eb9858ed7fc17c9903d49b
SHA1 hash:
3bad2c283c0ab44069efc8ca3cc5a5bcdd2cdba0
SH256 hash:
6657aeabd5ded830361aad9112749d785fc0fbe46121daeb7acb23cd841274ed
MD5 hash:
652744fb67a7cca34697aed9469b73d3
SHA1 hash:
180167e875280b9ddce80e715a50bbd18912b651
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 6657aeabd5ded830361aad9112749d785fc0fbe46121daeb7acb23cd841274ed

(this sample)

  
Delivery method
Distributed via e-mail attachment

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