MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ba8dc8c46b2589bf035f4d4ab04e1e87b2abd8ace34166c28e64cba4919c270. 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: 9ba8dc8c46b2589bf035f4d4ab04e1e87b2abd8ace34166c28e64cba4919c270
SHA3-384 hash: 3b8791deb00788f06177079b61b2d1f8c8fea46a04c51ad21755d68e8dae869b73cfb6d738ef4332654dec375044ab75
SHA1 hash: 2ec338a4ab7ad22cbc949cec921a13239c8613d7
MD5 hash: ae56de65bb4b3ccd2abec97c9b3adc91
humanhash: glucose-fifteen-undress-ten
File name:December Po034333.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:953'856 bytes
First seen:2020-12-04 06:40:47 UTC
Last seen:2020-12-04 09:14:11 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:VHLmSf6cq1XVAhaPeAQEJtdncu2TtszqsdtHc7GrZKfrVS3I4/2K75Y1D:VHXw1FIqJQ+tdnc/sd9cS0f0X/2Kg
Threatray 3'045 similar samples on MalwareBazaar
TLSH B5157B05B108BA10E0FD5F3BC9A55622D3BE8C05D687E51DBCE139DDDAB37E6880B606
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106710/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.12324.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Launching cmd.exe command interpreter
Result
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/555390
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 326793 Sample: December Po034333.exe Startdate: 04/12/2020 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected AntiVM_3 2->42 44 7 other signatures 2->44 10 December Po034333.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\December Po034333.exe.log, ASCII 10->30 dropped 54 Injects a PE file into a foreign processes 10->54 14 December Po034333.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.tannhienonline.com 45.117.169.19, 49762, 80 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 17->32 34 bikingeswatini.com 34.102.136.180, 49758, 80 GOOGLEUS United States 17->34 36 6 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 netsh.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9ba8dc8c46b2589bf035f4d4ab04e1e87b2abd8ace34166c28e64cba4919c270/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-04 06:41:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tounzdcgwjmjx4bv6tkkwbhb5b5svpmkzy2bm3bi4zglusizyjya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
215b1bcebe9fb50bc7b3aaa67325559c5a8997f2101709fcb3459bf344274f56
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Formbook
5a3d7c1f20cc8960e4066054686bd39621451dec8daa2edc19f9525f79d1c9a9
Formbook
60263179eccb843c5aa38040ebd2483b29a3923a94987f006561488e5d0f1d96
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824d9e9082e27b16c7bff8e0c02321c69abde54bcbc160a17f68ad4eba21170f
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a88db831c2dbd27895d7d042a3e4e604bd82caad37d51fccc76dfb81d884ffba
Formbook
e84b45b4e30dbdd8025a76075af204369ea5b1c638b7c15ec7998600936ce181
Formbook
+ 3'035 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/201204-4gzvks1qf2/
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
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:
9ba8dc8c46b2589bf035f4d4ab04e1e87b2abd8ace34166c28e64cba4919c270
MD5 hash:
ae56de65bb4b3ccd2abec97c9b3adc91
SHA1 hash:
2ec338a4ab7ad22cbc949cec921a13239c8613d7
Link:
https://www.unpac.me/results/367402f8-05d0-4974-8144-5e85130f8369/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/367402f8-05d0-4974-8144-5e85130f8369/
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/9ba8dc8c46b2589bf035f4d4ab04e1e87b2abd8ace34166c28e64cba4919c270

File information

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

Malspam

Formbook

z fcf424f709c40876665da0422399e13357a9c94c2d57230c854e14a23020ec61

Formbook

Executable exe 9ba8dc8c46b2589bf035f4d4ab04e1e87b2abd8ace34166c28e64cba4919c270

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 fcf424f709c40876665da0422399e13357a9c94c2d57230c854e14a23020ec61
Cape
Cape
https://www.capesandbox.com/analysis/106710/

Comments