MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f1f45b03b4f7909d0bbd7aa98895a0fcd314db228a7a233512c857ad86e7e86. 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: 9f1f45b03b4f7909d0bbd7aa98895a0fcd314db228a7a233512c857ad86e7e86
SHA3-384 hash: 9d6e3f0ec795347a85ae49fcf6eea31cee1dc9374b736b219e29b2e4c450d869398e144fa838fa583ca88563fa6245cd
SHA1 hash: 9ffee6f1dea12f3f376ee0fad57872519dbcc371
MD5 hash: 9c9d983c3a231a12ebeb70db5142924d
humanhash: kilo-gee-butter-social
File name:PO8433L.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:861'696 bytes
First seen:2020-12-02 12:41:12 UTC
Last seen:2020-12-02 15:02:28 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:wZTlQmW5Aab1IzhIGuFuyMv3nlykBQYSrr3jNeV+N4a2qPVGNbTuMuKBD7hpvA9J:wZ4yzGVF3sVyOQfS+9ST0sDdyJ
Threatray 3'078 similar samples on MalwareBazaar
TLSH 84058E3DAF596A24F47A573EC9E02051E6AEAF83A707D87D28F121CD0763FC684D051A
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106389/
Detection(s):
SecuriteInfo.com.Generic.mg.9c9d983c3a231a12.4926.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Launching cmd.exe command interpreter
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/553543
Signature
.NET source code references suspicious native API functions
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 325870 Sample: PO8433L.exe Startdate: 02/12/2020 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Yara detected AntiVM_3 2->39 41 Yara detected FormBook 2->41 43 3 other signatures 2->43 10 PO8433L.exe 3 2->10         started        process3 signatures4 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->51 53 Tries to detect virtualization through RDTSC time measurements 10->53 13 PO8433L.exe 10->13         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.ak-sicherheitssysteme.net 217.160.0.84, 49708, 80 ONEANDONE-ASBrauerstrasse48DE Germany 16->29 31 www.kikegbwebdesign.com 88.198.22.168, 49698, 80 HETZNER-ASDE Germany 16->31 33 4 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 wlanext.exe 16->20         started        23 autoconv.exe 16->23         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 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f1f45b03b4f7909d0bbd7aa98895a0fcd314db228a7a233512c857ad86e7e86/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-02 12:42:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t4pulmb3j54qtuf326vjrck2b7gtctnsfct2em2rfscxvwdop2da._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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009d9a0f6fafa91b750271413fef5771a4ce5855a59c0e6c16c85eb7de08e52b
Formbook
23cb1d198cca93539a5bdbf18ce44ae3692be0ae968b5fe55e3794ec481aa1cf
Formbook
2693356eb785b39160f0dd89c916020ab5ae032faaa931b30c393e93da2740e4
Formbook
277cbccaab65669d5d245b53cc8dec596db650f30daf23c62b8a54cf93867b8d
Formbook
5a3d7c1f20cc8960e4066054686bd39621451dec8daa2edc19f9525f79d1c9a9
Formbook
60263179eccb843c5aa38040ebd2483b29a3923a94987f006561488e5d0f1d96
Formbook
6c38cd22154fec33d60c57f97e3a4d09d481f30422c2d0b1a6a65ea65639dd69
Formbook
a88db831c2dbd27895d7d042a3e4e604bd82caad37d51fccc76dfb81d884ffba
Formbook
dde122ac5a5a8eb786e335b3278dc5aae9cd3635c889fc4eb641a7a69123954d
Formbook
e84b45b4e30dbdd8025a76075af204369ea5b1c638b7c15ec7998600936ce181
Formbook
+ 3'068 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/201202-a88p9v9jh6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.firedoom.com/sbmh/
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/6006ae34-8fa6-4866-9af0-8e4fa2edb67f/
SH256 hash:
9f1f45b03b4f7909d0bbd7aa98895a0fcd314db228a7a233512c857ad86e7e86
MD5 hash:
9c9d983c3a231a12ebeb70db5142924d
SHA1 hash:
9ffee6f1dea12f3f376ee0fad57872519dbcc371
Link:
https://www.unpac.me/results/6006ae34-8fa6-4866-9af0-8e4fa2edb67f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9f1f45b03b4f7909d0bbd7aa98895a0fcd314db228a7a233512c857ad86e7e86

File information

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

Malspam

Formbook

z b0e8e6ee9d0da1b6636bdabad7f9852c3385511956c6eedc1866232f380dc4a0

Formbook

Executable exe 9f1f45b03b4f7909d0bbd7aa98895a0fcd314db228a7a233512c857ad86e7e86

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 b0e8e6ee9d0da1b6636bdabad7f9852c3385511956c6eedc1866232f380dc4a0
Cape
Cape
https://www.capesandbox.com/analysis/106389/

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