MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 928c710fc7eaa23a9b84ab77dc39377dc4a0782e3482d8bbda505f955b37d2f8. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 928c710fc7eaa23a9b84ab77dc39377dc4a0782e3482d8bbda505f955b37d2f8
SHA3-384 hash: 53f55bb62f8cb4fd04bdea04dd4b6b4ceb02d3615888818de551a0e33bc34e1a32a7cb775a52b07f81b98709fc02b3b2
SHA1 hash: c4ae1fb228a823ca1ae416e78fc817c66445b8dc
MD5 hash: 2a6da285d3fe9f86598cd708cc9aadbd
humanhash: stream-juliet-uniform-apart
File name:4700011885 spirit airline spares purchase order-romaero.pdf.exe
Download: download sample
Signature Formbook
File size:689'664 bytes
First seen:2020-12-05 15:23:51 UTC
Last seen:2020-12-05 16:42:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:E31h7nTM6fKGhOWqE3DoM/nFpG0ZA3jeOCZ9n02Qy3eyorh4jS9XH3z/:yh3BbOWnDoM/FYl3jedZJ02QymoS9XX
Threatray 3'156 similar samples on MalwareBazaar
TLSH 6BE4F1322265BFA9DABE1FF8652026840FB624379571E39CADC111DE25E7F408E44E73
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: spiritaero.com
Sending IP: 156.96.62.84
From: Nick Dryburgh <nick.dryburgh@spiritaero.com>
Reply-To: Nick Dryburgh <r3.crcoeurocontrol.ints@gmail.com>
Subject: ROMAERO - SPIRIT AIRLINE SPARES PURCHASE ORDER - 4700011885
Attachment: 4700011885 spirit airline spares purchase order-romaero.pdf.rar (contains "4700011885 spirit airline spares purchase order-romaero.pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
368
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Suspicious Double Extension
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 327241 Sample: 4700011885 spirit airline s... Startdate: 05/12/2020 Architecture: WINDOWS Score: 100 31 www.crowdcork.com 2->31 33 www.areralind.com 2->33 41 Malicious sample detected (through community Yara rule) 2->41 43 Yara detected AntiVM_3 2->43 45 Yara detected FormBook 2->45 47 6 other signatures 2->47 11 4700011885 spirit airline spares purchase order-romaero.pdf.exe 3 2->11         started        signatures3 process4 file5 29 4700011885 spirit ...romaero.pdf.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 4700011885 spirit airline spares purchase order-romaero.pdf.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.bestifystore.com 158.177.208.8, 49741, 80 SOFTLAYERUS United States 18->35 37 www.powerschoolnocca.com 45.33.23.183, 49730, 80 LINODE-APLinodeLLCUS United States 18->37 39 8 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 control.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2020-12-05 15:24:07 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
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.evana-rohanihijab.com/iic6/
Unpacked files
SH256 hash:
48f52d4c5925d5717f3b1daccd2da4a26acb99da54c9f09a84eafe7f2ad6302c
MD5 hash:
7958ef3a9f8e848f3a058d658bc70fb0
SHA1 hash:
126a6d36bc964d68e9d280288c8beb482429939c
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
SH256 hash:
d3932b66f24a5c68ab031a48a259749133e2cc426b1ff774ba176de2ecac2f94
MD5 hash:
48c6f3b34b4fad3589c8cba5e3ccc569
SHA1 hash:
e0ef19475d98c19be74c47b09b2e2a30fc033f6f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
928c710fc7eaa23a9b84ab77dc39377dc4a0782e3482d8bbda505f955b37d2f8
MD5 hash:
2a6da285d3fe9f86598cd708cc9aadbd
SHA1 hash:
c4ae1fb228a823ca1ae416e78fc817c66445b8dc
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 928c710fc7eaa23a9b84ab77dc39377dc4a0782e3482d8bbda505f955b37d2f8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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