MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39872cee88d7cf4d0f0cc42d09348b6fea960a62861fab210bf257c4e6bc3a36. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39872cee88d7cf4d0f0cc42d09348b6fea960a62861fab210bf257c4e6bc3a36
SHA3-384 hash: b36e989069305846b81364860c3edf25bcb37fdc746822489bddc00c9aa4eedf45376b3068e2cfedb2b3876f61065cb6
SHA1 hash: 5596b820a3ce13c56473185ad4f67079c4ac3f8d
MD5 hash: a25a89b6290bd06ba2bd66ef1ff7b4d1
humanhash: october-diet-april-eighteen
File name:Details for bookings.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'023'488 bytes
First seen:2021-01-19 07:54:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ZgheKHcrkOoOCo42Y1e0LwzrzbI6PNhjme96NDfTm6vQz7vK:Uu+PgYUGwznbtPb7kB7mRbK
Threatray 3'559 similar samples on MalwareBazaar
TLSH B6258C1913841B4FF0795734A168191683F1BC39F3A6EBDDBDD471AB0DA2BC28A67207
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: fm02.smd.vnn.vn
Sending IP: 14.225.227.8
From: Mrs Jegede Esian <dos@mondialhotel.com.vn>
Reply-To: Mrs Jegede Esian <asqhopeland8@gmail.com>
Subject: ASQ BOOKINGS
Attachment: Details for bookings.rar (contains "Details for bookings.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Details for bookings.exe
Verdict:
Malicious activity
Analysis date:
2021-01-19 08:06:49 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c238430d-2a3e-49f5-a69d-8400ecb02dc1

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/112825/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/584622
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Found malware configuration
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 341346 Sample: Details for bookings.exe Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 32 www.englishfordoctors.online 2->32 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 9 other signatures 2->52 11 Details for bookings.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\...\Details for bookings.exe.log, ASCII 11->30 dropped 64 Injects a PE file into a foreign processes 11->64 15 Details for bookings.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 34 www.bowvacare.com 91.195.240.94, 49740, 80 SEDO-ASDE Germany 18->34 36 workoutandlawn.com 34.102.136.180, 49756, 49759, 80 GOOGLEUS United States 18->36 38 7 other IPs or domains 18->38 54 System process connects to network (likely due to code injection or exploit) 18->54 22 rundll32.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.deuxus.com 22->40 42 deuxus.com 22->42 44 192.168.2.1 unknown unknown 22->44 56 System process connects to network (likely due to code injection or exploit) 22->56 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 62 Tries to detect virtualization through RDTSC time measurements 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/39872cee88d7cf4d0f0cc42d09348b6fea960a62861fab210bf257c4e6bc3a36/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-19 04:52:59 UTC
AV detection:
4 of 46 (8.70%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgdsz3ui27hu2dymyqwqsneln7vjmctcqyp2wiil6jl4jzv4hi3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
005051028cd70b06d41a9703a87b07dfd779d03395073edf6d43aaa10a719040
Formbook
24a234c5f80a54172dd68022bc17dfaadb008e6c90dbac03991064860f20ea82
Formbook
3dcb1921c04d6f8e9974127b4ed2d691021dae212fd4b2e9d82e3d83e7537733
Formbook
616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3
Formbook
67710323c3dd7ba7cc04081512bdb304b4d7edd72975f2891c1f5893fdb75a8a
Formbook
85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58
Formbook
9711d6e85cd32b79392aa64305e32e400365cf1bd359649e499fe92896baf732
Formbook
9fdd7c91700e8ae665b85b921c9008a728d8a022c669f348c32865b674341333
Formbook
e04abb62c7cb7d06e79c802d579572230a52e029b205115c87c31fdb8073930a
Formbook
f4674817122efc3526346a4de3f374c778b48d19f0d84bb13dd4199b0868357c
Formbook
+ 3'549 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210119-e6ax4ynl42/
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.deuxus.com/t052/
Unpacked files
SH256 hash:
9231183674f234096d474027446c1803138f7b55d2e5fd616bd0f1cb12fecd37
MD5 hash:
1e95cc35de4a82e464f91fa77495d826
SHA1 hash:
9d48a0c66137f0e0575b80cff77a21d813acdb35
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/243ed65d-194a-4500-b08f-5ac23d4aa82a/
Parent samples :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 hash:
ddbc8915e903c3380c437b9a5af4187b94addc436f1d8c1176cd735fc636b342
MD5 hash:
319396238cc15da7d0f2a23da26ca035
SHA1 hash:
4e1a5b88f8f2f4ddb099fbf12d87b924a1e2a09d
Link:
https://www.unpac.me/results/243ed65d-194a-4500-b08f-5ac23d4aa82a/
SH256 hash:
52d35fabfc97d3e903b5d9eb253e8f84d1dfee2967fa9dde6d6ca37cc61951c5
MD5 hash:
b5a7f2596efe4c5fc5f5d2c733d49259
SHA1 hash:
c121578124375dc293e4daf12fac22442a8131b6
Link:
https://www.unpac.me/results/243ed65d-194a-4500-b08f-5ac23d4aa82a/
SH256 hash:
39872cee88d7cf4d0f0cc42d09348b6fea960a62861fab210bf257c4e6bc3a36
MD5 hash:
a25a89b6290bd06ba2bd66ef1ff7b4d1
SHA1 hash:
5596b820a3ce13c56473185ad4f67079c4ac3f8d
Link:
https://www.unpac.me/results/243ed65d-194a-4500-b08f-5ac23d4aa82a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/39872cee88d7cf4d0f0cc42d09348b6fea960a62861fab210bf257c4e6bc3a36

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

File information

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

Malspam

Formbook

rar 80700503ced1ed3dcb5629bc1381e217454dc1037fce186a98b3fc0c9d978906

Formbook

Executable exe 39872cee88d7cf4d0f0cc42d09348b6fea960a62861fab210bf257c4e6bc3a36

(this sample)

  
Dropped by
MD5 fe6688ebfdb04b41a5416ad2f31042fe
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112825/
  
Dropped by
SHA256 80700503ced1ed3dcb5629bc1381e217454dc1037fce186a98b3fc0c9d978906

Comments