MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d98998e1d6649dba775358afffb1771be64bef20f490b5a97fca770f68bf6f2a. 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
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SHA256 hash: d98998e1d6649dba775358afffb1771be64bef20f490b5a97fca770f68bf6f2a
SHA3-384 hash: ec8d6cfa3814a852d59c08fafc752a8d3c27525de451f653af1f20ba456543c46ae2fa1271cd69d103016464378c5eab
SHA1 hash: 2f49c70492785e3aeb7e6ff174fa86977d44def9
MD5 hash: eed4b5009af44f6714fedd14a013c77c
humanhash: romeo-washington-bravo-hotel
File name:Purchase Order -263.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'272'320 bytes
First seen:2021-01-12 07:22:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:atb20pkaCqT5TBWgNQ7aQzyQVQ0bNeFbL6A:HVg5tQ7al5
TLSH 1445D05363DE82E1CB2162B3B9157742AF7B683506A0B46B2FD91D3CED21172421FA73
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: [23.92.220.212]
Sending IP: 23.92.220.212
From: David R.E. Hale <sales@smart-sourcing.com>
Subject: Purchase Order -263 SMART SOURCING INC
Attachment: Purchase Order -263.zip (contains "Purchase Order -263.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order -263.exe
Verdict:
Malicious activity
Analysis date:
2021-01-12 08:34:51 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/72151f57-f0b0-495d-8db3-6c1fdf78e482

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111422/
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
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SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Sending a UDP request
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Connecting to a non-recommended domain
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/578763
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 338430 Sample: Purchase Order -263.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 35 www.wfttl.com 2->35 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 5 other signatures 2->47 11 Purchase Order -263.exe 2->11         started        signatures3 process4 signatures5 55 Writes to foreign memory regions 11->55 57 Maps a DLL or memory area into another process 11->57 14 dllhost.exe 11->14         started        process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 2 other signatures 14->65 17 explorer.exe 14->17 injected process8 dnsIp9 29 americaflys.com 162.144.235.96, 49763, 49783, 80 UNIFIEDLAYER-AS-1US United States 17->29 31 www.findmafia.com 91.195.240.94, 49779, 80 SEDO-ASDE Germany 17->31 33 19 other IPs or domains 17->33 39 System process connects to network (likely due to code injection or exploit) 17->39 21 cmd.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.wfttl.com 21->37 49 Modifies the context of a thread in another process (thread injection) 21->49 51 Maps a DLL or memory area into another process 21->51 53 Tries to detect virtualization through RDTSC time measurements 21->53 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d98998e1d6649dba775358afffb1771be64bef20f490b5a97fca770f68bf6f2a/
Threat name:
Win32.Trojan.Fuerboos
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 07:23:22 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3gezryowmso3u52tlcx77mlxdptex3za6sillkl7zj3q62f7n4va._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210112-jwa17y7chn/
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 UnmapMainImage
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.clivehamiltonstone.com/n925/
Unpacked files
SH256 hash:
d98998e1d6649dba775358afffb1771be64bef20f490b5a97fca770f68bf6f2a
MD5 hash:
eed4b5009af44f6714fedd14a013c77c
SHA1 hash:
2f49c70492785e3aeb7e6ff174fa86977d44def9
Link:
https://www.unpac.me/results/5f8bc87b-e733-4bdb-855d-f5a0ca746b9d/
SH256 hash:
46ecb8030e0d0e873f54642de381bff85e8d7089095be34a53d10d74da36d427
MD5 hash:
dfa04f38d94ba0c0bcc45ab838b54344
SHA1 hash:
c99edae5610760bd53c600a2077c9be39e555dcf
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5f8bc87b-e733-4bdb-855d-f5a0ca746b9d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d98998e1d6649dba775358afffb1771be64bef20f490b5a97fca770f68bf6f2a

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).

File information

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

Malspam

Formbook

zip 0343e5c9552a7434e38469ba6a912fb409a65cf6707d14cf19b0b5ea04670fdb

Formbook

Executable exe d98998e1d6649dba775358afffb1771be64bef20f490b5a97fca770f68bf6f2a

(this sample)

  
Dropped by
MD5 8c6b9180dda0f40064e03b5032b5168a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0343e5c9552a7434e38469ba6a912fb409a65cf6707d14cf19b0b5ea04670fdb
Cape
Cape
https://www.capesandbox.com/analysis/111422/

Comments