MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013
SHA3-384 hash: 340c99db6112d2f9f4e62e925a506b95314e55627076b9dfb8cb9d74a620bbe5fa1ec2dbfe063dd62784791d65005961
SHA1 hash: 9fab6f08101185e29fd99aae6e1a61a66edf510a
MD5 hash: 07a51b58f3d4c1a34eafb6850e053aa1
humanhash: pasta-nineteen-low-jersey
File name:Payment swift copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:962'560 bytes
First seen:2021-01-11 08:52:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:OY+3RDo8tBfemqz0BNYrtPiQFiSRcOGJPCydXZDCyC0azZeY4VAh2GFhAQ3734:UtNAiOcOOD6yArM
TLSH 03257C52ABD593D0D3AC12FD2C01B26916E1DB25B3D8DF28EC55F0B66A7251800FF1AE
Reporter abuse_ch
Tags:exe FormBook HSBC


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: server.biompun.tk
Sending IP: 185.104.112.228
From: HSBC Advising Service <advising1_services@mail.hsbcnet.hsbc.com>
Reply-To: HSBC Advising Service <no-reply@mail.hsbcnet.hsbc.com>
Subject: Notification of Fund Transfer via HSBC Bank
Attachment: Payment swift copy.zip (contains "Payment swift copy.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment swift copy.exe
Verdict:
Malicious activity
Analysis date:
2021-01-11 04:37:40 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/3e4e0c68-5e9e-4d9b-b098-38e1fa8dc2a0

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/111244/
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/577738
Signature
Binary contains a suspicious time stamp
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 signatures2 2 Behavior Graph ID: 337923 Sample: Payment swift copy.exe Startdate: 11/01/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 10 Payment swift copy.exe 3 2->10         started        process3 file4 27 C:\Users\user\...\Payment swift copy.exe.log, ASCII 10->27 dropped 13 Payment swift copy.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.iric-canada.net 162.255.119.136, 49775, 80 NAMECHEAP-NETUS United States 16->29 31 www.yx-vinylglove.com 168.62.205.59, 49771, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 16->31 33 3 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 control.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rt6pgyaw3ez3fxxe5tvj6lieczce7wtgqnc4bt4cqrputfrm2ajq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210111-41y6pj2822/
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.deejayatl.com/khm/
Unpacked files
SH256 hash:
8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013
MD5 hash:
07a51b58f3d4c1a34eafb6850e053aa1
SHA1 hash:
9fab6f08101185e29fd99aae6e1a61a66edf510a
Link:
https://www.unpac.me/results/c7cda1c2-1635-442e-9e21-9f66bbf09c15/
SH256 hash:
904932cc79d5a18a7a815926f28ca6d6867e008e746f9c38a2925c9cd729ecdb
MD5 hash:
c1cfccf9061eea97bbae33de232a54ad
SHA1 hash:
50653130d2e8e885b3edb33a23c91d47d597bb6b
Link:
https://www.unpac.me/results/c7cda1c2-1635-442e-9e21-9f66bbf09c15/
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/c7cda1c2-1635-442e-9e21-9f66bbf09c15/
SH256 hash:
f533a5acc7c7d8b70dd68b3ece43c4f17a382cacfa646b627ab36b74b84ff102
MD5 hash:
9e2444c3d89655df259c56b2480e5d5b
SHA1 hash:
43c70f7fcad855e2754f08d5e72ed4200bac807e
Link:
https://www.unpac.me/results/c7cda1c2-1635-442e-9e21-9f66bbf09c15/
SH256 hash:
d074d81c4f3f8ba7ba0b7e2f5c95d0c7943d201df80c97825891cf6590155104
MD5 hash:
57adcb2330050f5528e283536a66f645
SHA1 hash:
5b9e9961e5d491bc436e9e5a5906212486c1e5c1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c7cda1c2-1635-442e-9e21-9f66bbf09c15/
Parent samples :
73b51938efd53695a02c86e7bf50fac91203e43b5808758b2a698ef10475d264
bf38c42157ab2038be6ae374799cb8cd2c55baaa45ab0f4a5f8a06eb0c41a833
8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013
94ff08030a3e4421baf3ad3489d4d757dd4e8aab659aa8a06f99d2d81526d17e
f8efa3021228dad9812ac764085f791117265d9859bfb5ed21e07f04f1cb0b5f
Please 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/8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013

File information

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

Malspam

Formbook

zip 11e76c8d99d00f5899b833f4bdb6d61b1eb4cce920a27e67252813185134c61d

Formbook

Executable exe 8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013

(this sample)

  
Dropped by
MD5 4c977cf1f78b8973142ff110d53f7279
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/111244/
  
Dropped by
SHA256 11e76c8d99d00f5899b833f4bdb6d61b1eb4cce920a27e67252813185134c61d

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