MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fdd7c91700e8ae665b85b921c9008a728d8a022c669f348c32865b674341333. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9fdd7c91700e8ae665b85b921c9008a728d8a022c669f348c32865b674341333
SHA3-384 hash: bd36ddbedb2f31f4030cca7f20b8cde2d2ff730dd0181833af9c4e0ffe738dbb1fd2cd73f537662eda7368d835f7c9c3
SHA1 hash: 4e6a8cfa9423c5abd4d756adce93944965a20d35
MD5 hash: 0b9fe0b29db5cab7a0fc3899361ebdaa
humanhash: rugby-earth-iowa-hamper
File name:Confirm!!!..exe
Download: download sample
Signature Formbook
Create hunting rule
File size:855'040 bytes
First seen:2021-01-08 08:25:57 UTC
Last seen:2021-01-08 09:50:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:obvNHVJMm98JyQA6rBCmF2sFeRmC5pjv4T81W1MEVAyQBvr:clHgm9886rhUCeYA2g1W1MCXo
Threatray 3'349 similar samples on MalwareBazaar
TLSH 8D05CF0DA3625383F0282775CA6C2E0642B06C7C76D2D7F8FDA5751BA9E17A6187313B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail.phuminhco.com.vn
Sending IP: 103.28.36.162
From: Hue Nguyen <sale@phumyhotel.vn>
Reply-To: Hue Nguyen <peter.lee.tmc@gmail.com>
Subject: Re Bookings for 2
Attachment: Confirm..rar (contains "Confirm!!!..exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Confirm!!!..exe
Verdict:
Malicious activity
Analysis date:
2021-01-08 08:29:28 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/01f9b80a-3c0c-4696-9a57-61344e15f439

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/110942/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.cc.30794.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/576517
Signature
Found malware configuration
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: 337310 Sample: Confirm!!!..exe Startdate: 08/01/2021 Architecture: WINDOWS Score: 100 34 www.giftkerala.com 2->34 36 g.msn.com 2->36 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 6 other signatures 2->54 11 Confirm!!!..exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\Confirm!!!..exe.log, ASCII 11->32 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 15 Confirm!!!..exe 11->15         started        18 Confirm!!!..exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 38 mimozakebap.com 78.142.208.9, 49745, 80 VERIDYENVeridyenBilisimTeknolojileriSanayiveTicaretLi Turkey 20->38 40 www.retargetingmachines.info 88.214.207.96, 49757, 80 NATCOWEBUS United Kingdom 20->40 42 7 other IPs or domains 20->42 56 System process connects to network (likely due to code injection or exploit) 20->56 24 systray.exe 12 20->24         started        signatures11 process12 dnsIp13 44 www.deuxus.com 24->44 46 deuxus.com 24->46 58 Modifies the context of a thread in another process (thread injection) 24->58 60 Maps a DLL or memory area into another process 24->60 62 Tries to detect virtualization through RDTSC time measurements 24->62 28 cmd.exe 1 24->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9fdd7c91700e8ae665b85b921c9008a728d8a022c669f348c32865b674341333/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-01-08 04:35:23 UTC
AV detection:
4 of 46 (8.70%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t7oxzelqb2fomznylojbzeaiu4unribcyzu7gsgdfbs3m5bucmzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
24a234c5f80a54172dd68022bc17dfaadb008e6c90dbac03991064860f20ea82
Formbook
616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3
Formbook
85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58
Formbook
9711d6e85cd32b79392aa64305e32e400365cf1bd359649e499fe92896baf732
Formbook
a2d9b5d16fcae146b34d3ed40bb6444d4b4bb497ed63e8f4d720af4d24cb5450
Formbook
b1b8f6dcd1c8d12e5a79a8d16dd62d0900d552ba435178b691f4497d338cc704
Formbook
d168997744867bbce4da90506b2182f4d015899bcddfd3924f234e739b9e7866
Formbook
e04abb62c7cb7d06e79c802d579572230a52e029b205115c87c31fdb8073930a
Formbook
e367a50fe019accad32ff683df2a06a9178ab2f9b7e2265b80089976c7f5d5dc
Formbook
f4674817122efc3526346a4de3f374c778b48d19f0d84bb13dd4199b0868357c
Formbook
+ 3'339 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/210108-6t6wzt6jb6/
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
Deletes itself
Blocklisted process makes network request
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.deuxus.com/t052/
Unpacked files
SH256 hash:
9fdd7c91700e8ae665b85b921c9008a728d8a022c669f348c32865b674341333
MD5 hash:
0b9fe0b29db5cab7a0fc3899361ebdaa
SHA1 hash:
4e6a8cfa9423c5abd4d756adce93944965a20d35
Link:
https://www.unpac.me/results/09c23720-381c-4861-9379-e3656fbf04bc/
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/09c23720-381c-4861-9379-e3656fbf04bc/
SH256 hash:
91e8c09093ebf9f5195660efac0d66f0b2943c2f9f4e7cfa25e58aa33db5dc45
MD5 hash:
547497b66e4b71fef65dd3a7bf846a17
SHA1 hash:
7d4b161a93881860cd7f65cda3d51517ead54101
Link:
https://www.unpac.me/results/09c23720-381c-4861-9379-e3656fbf04bc/
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/09c23720-381c-4861-9379-e3656fbf04bc/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9fdd7c91700e8ae665b85b921c9008a728d8a022c669f348c32865b674341333

File information

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

Malspam

Formbook

rar 09b45d1e31ed98cde4491a36347bf0f3c6947b3a91849bc944e976541aec9e92

Formbook

Executable exe 9fdd7c91700e8ae665b85b921c9008a728d8a022c669f348c32865b674341333

(this sample)

  
Dropped by
MD5 5167139c22b7c57b57a432fb8296d3ab
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 09b45d1e31ed98cde4491a36347bf0f3c6947b3a91849bc944e976541aec9e92
Cape
Cape
https://www.capesandbox.com/analysis/110942/

Comments