MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae
SHA3-384 hash: 672e88be7718f1703ecd59cfb5981b76d0a729b346160207f4da7f5b6259a230a149b9f853c894eeeb332ded1ead068a
SHA1 hash: d651853b3a483b4338405f0347ec1c8ddee27f43
MD5 hash: 823e170624508c0f8ae864ee2cdc7e8f
humanhash: august-july-neptune-angel
File name:08-14.exe
Download: download sample
Signature Formbook
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File size:1'113'088 bytes
First seen:2021-08-14 15:24:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:JIn7d2iNND81lhaIAjbJOm4gutFgaawmNa4wpWHx75uMLG+tsQEOgu5:K1P81ra/3JOmTGlhmNa4y+tU
Threatray 5'723 similar samples on MalwareBazaar
TLSH T19835C43D19B92637D0BAC765CBE18817B1909CAF3211FD98A8D663660363F5275C323E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
08-14.exe
Verdict:
Malicious activity
Analysis date:
2021-08-14 15:25:51 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/38451dad-433c-4309-86be-515464756160

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/179259/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59996.UNOFFICIAL
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SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fac50b36-de0d-42f2-bae9-90b574b69ba2
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832939
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 465368 Sample: 08-14.exe Startdate: 14/08/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 9 other signatures 2->52 10 08-14.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\...\yRLRgdltZo.exe, PE32 10->32 dropped 34 C:\Users\...\yRLRgdltZo.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmpAB0E.tmp, XML 10->36 dropped 38 C:\Users\user\AppData\Local\...\08-14.exe.log, ASCII 10->38 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 10->62 64 Tries to detect virtualization through RDTSC time measurements 10->64 66 Injects a PE file into a foreign processes 10->66 14 08-14.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 40 www.fishingboatpub.com 202.14.6.113, 49761, 80 HENGTONG-IDC-LLCUS Hong Kong 19->40 42 www.nocodehost.com 19->42 44 3 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 chkdsk.exe 19->25         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 60 Tries to detect virtualization through RDTSC time measurements 25->60 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-08-14 08:18:35 UTC
AV detection:
21 of 46 (45.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tbfnjdnyjxgl6tmxr5ilbswsydzowsrfntc7hndq7lht4qisqoxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
320dab87aef07c03720923504dd0506f7d3e67de57b0067ebf0694966982db89
Formbook
4cc3c108df5e861d0fb0dcc7f4bcf8c7d717636204f5e0d242a316ce9475bf4a
Formbook
5fe669ecbc820aa52d3fb572b96b7c1cadad169da50cf1a67d4268cd917b041e
Formbook
71cb97b67ebcc50a0bef217b3ca9591cfa49f6b8c8d11ee9952c2cde0b7b6a51
Formbook
ac569d0ffa88503800f67906ffba34f7824578a486bc5b5a6538ab25126c4875
Formbook
b663fea76aadbf574e5bb9f704ad689ec10f0d720b0b9641e70b27494fe4cc17
Formbook
bd746ec7cac902a0b12f829efa801316f11b5ab6df024ff0f75c178134daad99
Formbook
+ 5'713 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o4ms rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210814-s1s223n6x2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.nocodehost.com/o4ms/
Unpacked files
SH256 hash:
a799e5cbb604026846696856753a847dae483ae9d512f6c8c237967f910c5f2e
MD5 hash:
3da83dc1e5a7cecade931cfed7b221f6
SHA1 hash:
ff629cc925732876e11d490c66d9f34420fb335f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c5591ef2-7bc3-43b7-848b-b3218a6e8e29/
Parent samples :
bd746ec7cac902a0b12f829efa801316f11b5ab6df024ff0f75c178134daad99
984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae
4f8799e5441c553ebbda342b6b06356a70dc432e5ac0434f4158146520b57ab7
d9cc0ba64d20a3a60f1580c74ff1269f5b545a0abf23362cbc678b12057a6cf3
091230bdb21752192badda687f5def8c29d988ddab761901ed5c6594062c1e9d
ec427d5a521cdc4f2690ac7ffa883c982c4e3008991127998b0cfdf32f240f30
SH256 hash:
248fdbd3b48a2337a95973d93415a2606f7b57c32cc2da156b069c32c2eaaa9b
MD5 hash:
ecd318e7cd5991b6b956c41daf46ab31
SHA1 hash:
e89519e5099751732919886a0ff830d9cc0d5fb2
Link:
https://www.unpac.me/results/c5591ef2-7bc3-43b7-848b-b3218a6e8e29/
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
Link:
https://www.unpac.me/results/c5591ef2-7bc3-43b7-848b-b3218a6e8e29/
SH256 hash:
984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae
MD5 hash:
823e170624508c0f8ae864ee2cdc7e8f
SHA1 hash:
d651853b3a483b4338405f0347ec1c8ddee27f43
Link:
https://www.unpac.me/results/c5591ef2-7bc3-43b7-848b-b3218a6e8e29/
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/984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/179259/

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