MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7da1749d927d6d2f4f8175bb1cef8c4a92793b107d24d661d83bd55c57e83df8. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7da1749d927d6d2f4f8175bb1cef8c4a92793b107d24d661d83bd55c57e83df8
SHA3-384 hash: daadb181933cce9d3f9f3d990d0e8cb905d0831855f8367cfc32f251225c48e5a3322f06f11050e272b6120487b94cd0
SHA1 hash: 536122860a91d9834d84a5b0c386703ac963a7b3
MD5 hash: 30ddab85b532cb1aa1173be9c672d61e
humanhash: neptune-double-cup-bacon
File name:Due Invoices.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:260'608 bytes
First seen:2020-07-30 07:24:56 UTC
Last seen:2020-07-30 15:36:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:eN46Q/iM9FQy2pDxrwoktARGLs7YCEC3CIyO208B2nxRQpOnnAbCMgPNUlHIN5Gn:fBf2p1woSxLs7YC0D6QpOnnApI8gqX
Threatray 4'514 similar samples on MalwareBazaar
TLSH 3544E0AE6F5D0279E2EB3B3A9356123987729D871A2BF6E8044C7CCE541D781C011BDE
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: rajatengineering.com
Sending IP: 95.211.253.194
From: Sales<sales@rajatengineering.com>
Subject: RE: OverDue Invoices
Attachment: Due Invoices.zip (contains "Due Invoices.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Agenttesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/35350/
Detection(s):
SecuriteInfo.com.Fareit-FVK30DDAB85B532.30442.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun with Startup directory
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/403268
Signature
Detected FormBook malware
Drops PE files to the startup folder
Drops PE files to the user root directory
Executable has a suspicious name (potential lure to open the executable)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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
Sigma detected: Suspicious Svchost Process
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 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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253862 Sample: Due Invoices.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 72 www.sophlos.com 2->72 96 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->96 98 Malicious sample detected (through community Yara rule) 2->98 100 Yara detected FormBook 2->100 102 8 other signatures 2->102 12 Due Invoices.exe 4 2->12         started        signatures3 process4 file5 66 C:\Users\user\s.exe, PE32 12->66 dropped 68 C:\Users\user\AppData\...\HJdyTuap.exe, PE32 12->68 dropped 70 C:\Users\user\s.exe:Zone.Identifier, ASCII 12->70 dropped 124 Maps a DLL or memory area into another process 12->124 126 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->126 16 Due Invoices.exe 12->16         started        19 RegAsm.exe 12->19         started        signatures6 process7 signatures8 80 Maps a DLL or memory area into another process 16->80 21 Due Invoices.exe 16->21         started        24 RegAsm.exe 16->24         started        82 Modifies the context of a thread in another process (thread injection) 19->82 84 Sample uses process hollowing technique 19->84 86 Tries to detect virtualization through RDTSC time measurements 19->86 88 Queues an APC in another process (thread injection) 19->88 26 explorer.exe 1 19->26 injected process9 dnsIp10 104 Maps a DLL or memory area into another process 21->104 29 Due Invoices.exe 1 21->29         started        32 RegAsm.exe 21->32         started        106 Modifies the context of a thread in another process (thread injection) 24->106 108 Sample uses process hollowing technique 24->108 74 hindinovel.com 34.102.136.180, 49706, 80 GOOGLEUS United States 26->74 76 www.izboca.info 26->76 78 3 other IPs or domains 26->78 110 System process connects to network (likely due to code injection or exploit) 26->110 34 WWAHost.exe 1 17 26->34         started        37 chkdsk.exe 26->37         started        39 svchost.exe 26->39         started        41 5 other processes 26->41 signatures11 process12 file13 128 Maps a DLL or memory area into another process 29->128 43 Due Invoices.exe 29->43         started        46 RegAsm.exe 29->46         started        130 Modifies the context of a thread in another process (thread injection) 32->130 132 Sample uses process hollowing technique 32->132 62 C:\Users\user\AppData\...\024logrv.ini, data 34->62 dropped 64 C:\Users\user\AppData\...\024logri.ini, data 34->64 dropped 134 Detected FormBook malware 34->134 136 Tries to steal Mail credentials (via file access) 34->136 138 Tries to harvest and steal browser information (history, passwords, etc) 34->138 48 cmd.exe 1 34->48         started        140 Tries to detect virtualization through RDTSC time measurements 37->140 signatures14 process15 signatures16 118 Maps a DLL or memory area into another process 43->118 50 Due Invoices.exe 43->50         started        53 RegAsm.exe 43->53         started        120 Modifies the context of a thread in another process (thread injection) 46->120 122 Sample uses process hollowing technique 46->122 55 conhost.exe 48->55         started        process17 signatures18 90 Maps a DLL or memory area into another process 50->90 57 RegAsm.exe 50->57         started        60 Due Invoices.exe 50->60         started        92 Modifies the context of a thread in another process (thread injection) 53->92 94 Sample uses process hollowing technique 53->94 process19 signatures20 112 Modifies the context of a thread in another process (thread injection) 57->112 114 Maps a DLL or memory area into another process 57->114 116 Sample uses process hollowing technique 57->116
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7da1749d927d6d2f4f8175bb1cef8c4a92793b107d24d661d83bd55c57e83df8/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 07:26:12 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pwqxjhmspvws6t4bow5rz34mjkjhsoyqpusnmyoyhpkvyv7ihx4a._file
Verdict:
malicious
Similar samples:
387119236c9bd4c60215cab8efae3cdd16a0fe9906d83016b2dc8ee425fad40d
FormBook
590fde182a154cd89b15d88546d60351b9fecb51e04fbbf4affd8d49a618bd23
FormBook
714e525a436fc97ce8b8e31b63c79e8f13cc0577c80f613f825cafdf7fddeb1f
FormBook
8d8f0c6fdcd021f11d41e3da7521ec78e5460def24bd61f7eb15879788fafcc2
FormBook
9b861daa0a7b4276df89a7ec49d2dd3388366ad60a3058df70525313799a0d05
FormBook
a9e4a57e85cb473702863d801a78af3c4e224ac70be4f29a99ae9f2433c0c48d
FormBook
c79a75bdb7f50439434aef1de18f5eaa857b9c0affd00f8e40ef85348df6cf57
FormBook
d0604fe76ff35e2311825f1822171208bd472c764dfbdbf45e20fad47f6a4472
FormBook
d524551cdd54b82c03f7121e7ff86cd4b2f79a524d886be9adb3f281793865f9
FormBook
fe3306e3cb623199393790e95304cf4d0a24ce092ed2c5c82b48658e987fa56c
FormBook
+ 4'504 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/200730-eba4dz5t2n/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Enumerates system info in registry
Gathers network information
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Enumerates system info in registry
Gathers network information
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Drops startup file
Drops startup file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7da1749d927d6d2f4f8175bb1cef8c4a92793b107d24d661d83bd55c57e83df8

File information

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

Malspam

FormBook

zip 52717e48ebda1e0ea85563b6e019b290311f01c261a2319cd9956f154cd3dd85

FormBook

Executable exe 7da1749d927d6d2f4f8175bb1cef8c4a92793b107d24d661d83bd55c57e83df8

(this sample)

  
Dropped by
MD5 0c39e74c72606e64766c4d2f3874f4ce
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 52717e48ebda1e0ea85563b6e019b290311f01c261a2319cd9956f154cd3dd85
Cape
Cape
https://www.capesandbox.com/analysis/35350/

Comments