MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46
SHA3-384 hash: 4161238d01de511096acc5abab54c76618f3e153bd4f4f2fe704ce00eb344e98206e002825240c459f8d36dd02567ccf
SHA1 hash: 043572364485e650ceb50a77eceabcf71651fa39
MD5 hash: 33c92c674c456c714ecd4457d86e76dc
humanhash: carpet-monkey-india-mobile
File name:doc201408.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:538'624 bytes
First seen:2020-08-14 10:02:19 UTC
Last seen:2020-08-14 11:01:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:qv/rYxLf6MsxC9SIuXX67yIp1ncLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL:4Yxj6MKC9067bp1ncLLLLLLLLLLLLLLr
Threatray 2'240 similar samples on MalwareBazaar
TLSH D8B49D712799FB61E03DA7B95260101003F3AE55D336EF2EBEE132A90D76BD043A7616
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: pcp1.mywebsitebox.com
Sending IP: 116.202.86.111
From: logistics <info@onlinemall.com.pk>
Reply-To: logistics <sm@centrimax.co>
Subject: Fw: reg. shipping docs
Attachment: INV,BL,PL,CO_pdf.7z (contains "doc201408.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45769/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.16391.5294.UNOFFICIAL
Create hunting rule

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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/429325
Signature
.NET source code contains potential unpacker
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)
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 267142 Sample: doc201408.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 33 yobuy.biz 2->33 35 www.yobuy.biz 2->35 37 6 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected AntiVM_3 2->49 51 4 other signatures 2->51 11 doc201408.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\doc201408.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 doc201408.exe 11->15         started        18 doc201408.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 1 15->20 injected process9 dnsIp10 39 www.mage-cart.info 63.250.45.175, 49758, 49759, 80 NAMECHEAP-NETUS United States 20->39 41 delta-restorationservices.com 34.102.136.180, 49752, 49765, 49766 GOOGLEUS United States 20->41 43 10 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 explorer.exe 1 12 20->24         started        signatures11 process12 signatures13 55 Tries to steal Mail credentials (via file access) 24->55 57 Tries to harvest and steal browser information (history, passwords, etc) 24->57 59 Modifies the context of a thread in another process (thread injection) 24->59 61 2 other signatures 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 10:04:07 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5kcnkfba63n77cio342uvdyftxf65t5xj2752caqreq32zztnda._file
Verdict:
malicious
Label(s):
trickbot
Create hunting rule
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1b114b7614a73e7b1b75355a4904a7314a91c39ec385a246a67624dfc11b7b8e
Formbook
370293d95666a952ba140489c797e3c7d82a92cb400e360f7743075aee04ca10
Formbook
3d7664dcebcb7d20b25a6890a6697a2a293239ea13f00695722d1dce023c8cb6
Formbook
510b24a8ddcc1a99925f07d8ec0b56489930147a95810b787291b3396bd54a7c
Formbook
878d3d77023a927c7dc6aaab23b90cd1203bcd1bacdeedf997692a4c60d24129
Formbook
9963cb9f95312d222c99fac596b5bf02d81ace63ebde79c37e2312d3e2ecd32f
Formbook
9d9739b817d35a815e89c74d8e04d1571e5591de09ca6e8d7a634b140db45605
Formbook
b2d8df96514495cb6b3fe66a6d61e70b8b6e92426910db93f7ae521be4fd2762
Formbook
d4224f6f5b734de53a5a7e5f5675b05f9a808deb058e64d00859146f8255594c
Formbook
d9ba192982200a73ca54ce3c9f10c43a185e0d99864eee685bc7ba70c311110a
Formbook
+ 2'230 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200814-9w1sd7b21j/
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.mage-cart.info/qsb/
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/375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46

File information

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

Malspam

Formbook

7z 65300c56004e080d393910c1e8b8970e1c9fe18beb4418edc0dfc47b465a1878

Formbook

Executable exe 375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46

(this sample)

  
Dropped by
MD5 0b90d325232ef2141745723dae880f19
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45769/
  
Dropped by
SHA256 65300c56004e080d393910c1e8b8970e1c9fe18beb4418edc0dfc47b465a1878

Comments