MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adfaf60f2ef07cd0b6f3fdd429fb94e76376ebf41b0b615d2664449e6adb358e. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: adfaf60f2ef07cd0b6f3fdd429fb94e76376ebf41b0b615d2664449e6adb358e
SHA3-384 hash: 9577cdd852ab9e54c3a4f896d1b317ad3243b48c52a59b2f4e07a4432d9fcb81614d558349289cb31753b919ce076c1f
SHA1 hash: b189e5a67a084e2686a3be90732e0ba35af1ea24
MD5 hash: 0dff64bf22a5a246ca153f66977113b4
humanhash: tennis-sodium-chicken-montana
File name:PO#1805531.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:324'608 bytes
First seen:2020-10-21 09:52:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bf5f5c9b23cdadd6c5a4c9eba6533af2 (4 x Formbook)
ssdeep 6144:kroPmldic+MjP8JMTfCEIcPmwNbfTTR5qh88nR/e3b4L9:kroPSdic+akKflj8nR2rW
Threatray 2'594 similar samples on MalwareBazaar
TLSH CD64D01426CCD9F2D04B1C750600F97059B8A5F63B6FAC9BBBC61FAF8A35AC05365B06
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: rdns0.hyterm.xyz
Sending IP: 134.209.44.46
From: Trim Systems Ltd<office@teleaurd.xyz>
Reply-To: <medpartstopcon.sg@gmail.com>
Subject: RE: RE: RE: Order Confirmation
Attachment: PO1805531.7z (contains "PO#1805531.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73953/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
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/505579
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 301838 Sample: PO#1805531.exe Startdate: 21/10/2020 Architecture: WINDOWS Score: 100 31 www.cosswizz.com 2->31 33 www.citestaccnt1598622257.com 2->33 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 3 other signatures 2->49 11 PO#1805531.exe 1 2->11         started        signatures3 process4 signatures5 59 Maps a DLL or memory area into another process 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 14 PO#1805531.exe 11->14         started        17 conhost.exe 11->17         started        process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Sample uses process hollowing technique 14->67 69 Queues an APC in another process (thread injection) 14->69 19 explorer.exe 14->19 injected process8 dnsIp9 35 www.katakansetsu.com 153.126.199.188, 49715, 80 SAKURA-ASAKURAInternetIncJP Japan 19->35 37 www.11382.xyz 23.101.8.193, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->37 39 4 other IPs or domains 19->39 51 System process connects to network (likely due to code injection or exploit) 19->51 23 systray.exe 12 19->23         started        signatures10 process11 dnsIp12 41 www.11382.xyz 23->41 53 Modifies the context of a thread in another process (thread injection) 23->53 55 Maps a DLL or memory area into another process 23->55 57 Tries to detect virtualization through RDTSC time measurements 23->57 27 cmd.exe 1 23->27         started        signatures13 process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/adfaf60f2ef07cd0b6f3fdd429fb94e76376ebf41b0b615d2664449e6adb358e/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-10-21 03:27:15 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vx5pmdzo6b6nbnxt7xkct64u45rxn27udmfwcxjgmrcj42w3gwha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
0040dd5bbff90801dacfa809df431ebbf40ea1008eebe95fbeb718433bfe71cc
Formbook
15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76
Formbook
72696d78e02a5f32462855866fee3ddba93f53a0a1bb84c58c98e84d623f3abd
Formbook
79fe9749c4a7e8297e056cc4f0fbed7130900cd9aa2be3a1339acde4a11ca171
Formbook
89c0e9f07b4245f97dccad1b925e19ad1a436b61c5fce2f2f12bc05c0042dcbe
Formbook
a0c73c5e7d039898c297b3e6d1c48bc7c32eae93a24b731a0c21717925dba028
Formbook
a76869f6ece56a889175cb2cebdb60e4a24025184ebeb7fa9c6210668eb023fe
Formbook
c5eddcaa83e4167df259033ee45a3624c5a700877aac6bc54dd46d1a3a1aacbd
Formbook
e85ece3cee51156974c3fb8f0e2c707dae2b51b0d2db9e5fb10531d2fdd76ca6
Formbook
f2cb02b3c504a4db0b43f79aef0d63398d9b984ee84d07acd690a448b63b5636
Formbook
+ 2'584 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201021-97kxjpavfj/
Unpacked files
SH256 hash:
c199d8a3ebeb73fa8fe38d9877c0bef18353ce4636c4e522d6b29235e1623b9f
MD5 hash:
2deab67c54eae83cd3a743873769b2a3
SHA1 hash:
df0f42b626c423e08f531353f6cc614ae62cc639
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/36a24288-f9ec-4b08-b2dd-c538a606e625/
Parent samples :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 hash:
adfaf60f2ef07cd0b6f3fdd429fb94e76376ebf41b0b615d2664449e6adb358e
MD5 hash:
0dff64bf22a5a246ca153f66977113b4
SHA1 hash:
b189e5a67a084e2686a3be90732e0ba35af1ea24
Link:
https://www.unpac.me/results/36a24288-f9ec-4b08-b2dd-c538a606e625/
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
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
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

zip fc0603f4ab99c7b85cd887283ceb40a18d477eb1e67c5848c8ab2435b09ea3c9

Formbook

Executable exe adfaf60f2ef07cd0b6f3fdd429fb94e76376ebf41b0b615d2664449e6adb358e

(this sample)

  
Dropped by
MD5 87386bfea23a1685c2b4ae59d476b742
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73953/
  
Dropped by
SHA256 fc0603f4ab99c7b85cd887283ceb40a18d477eb1e67c5848c8ab2435b09ea3c9

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