MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067
SHA3-384 hash: 70473a804d8d5acea66104327b001c0d325f9e975b78321a0ad769ce6bb480b9acb0c2880f6f8c6e5e67052e80374d26
SHA1 hash: fb9386cc654c66257c150e2f3fad96cb6f6f62ab
MD5 hash: a7d906e300e394d87092e5915aae4218
humanhash: alanine-neptune-nitrogen-avocado
File name:SecuriteInfo.com.Trojan.Win32.Save.a.2343.27176
Download: download sample
Signature Formbook
Create hunting rule
File size:1'066'496 bytes
First seen:2021-08-10 07:45:56 UTC
Last seen:2021-08-11 12:39:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:HlKZPp9AR95yifpU0ZBq2EEUZdvdwsJwYiBkXMGl:aPpKRyCBqvEsvdwsJwYi7G
Threatray 7'631 similar samples on MalwareBazaar
TLSH T18635E046224042D3F837BB72745FD6510665EFDFE7B0E99F3A823E291EB73418912A12
dhash icon 03230b09493733e6 (1 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Win32.Save.a.2343.27176
Verdict:
Malicious activity
Analysis date:
2021-08-10 07:49:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7bf22266-e1c0-48c3-8d04-b4aa669f94b3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/177841/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.2343.27176.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d6450724-6612-4366-858e-e7afc48a316f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829979
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-10 06:45:00 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jq6fs3ysau2wmnnj74fndilz7ddtttm6iataqxqjdvn5buaxgbtq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
Formbook
1d500cd661df7071f1ff76b19067cef40b5a0ab4b4a9ac26425dcdbac6eb7e7e
Formbook
6b0af32dca1211680c0879e37e91f18fcb57f1e93dd54df4e0ed098efca7825e
Formbook
9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f
Formbook
ada5044d0bbf03ca1dabe6feedc1b265179b4a2623de9d6f8e2bde31f7f03d5a
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
d0b2bc00645de803a4e9df303539995ee8f781631684b04fe67ee7e01bcf9c21
Formbook
d4c16c1a6aff7397ae843c9be4450185d6d6ebe8e5fbc544a5b355fb41b2a49d
Formbook
e2ab98687c215cc7f4e84d11bdcc6a83d797944132901cbbd6b1c23a47efba08
Formbook
+ 7'621 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bkbk rat spyware stealer trojan
Link:
https://tria.ge/reports/210810-gsby2qtswa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.aozhengaodi.com/bkbk/
Unpacked files
SH256 hash:
89bd26b3006094a6a975bb829971ca25912f56d46a89a17ebfeb4376d893b297
MD5 hash:
a805040f871ff81beb0a3874b72f6049
SHA1 hash:
2d5a9586fb7e6019883325921bdda92c7e50fe12
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/51b554dc-499e-4454-89a1-541e693e31b1/
Parent samples :
0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f
4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067
5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953
SH256 hash:
f9c0d920282ade44bd5154948cd601101a6486652eb982339794848fd87af0b5
MD5 hash:
0e69c430d94bb8552dcd7152032c487b
SHA1 hash:
6d5bc6c2b34bdd08c322ae06027f3660a4d28bd1
Link:
https://www.unpac.me/results/51b554dc-499e-4454-89a1-541e693e31b1/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/51b554dc-499e-4454-89a1-541e693e31b1/
SH256 hash:
4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067
MD5 hash:
a7d906e300e394d87092e5915aae4218
SHA1 hash:
fb9386cc654c66257c150e2f3fad96cb6f6f62ab
Link:
https://www.unpac.me/results/51b554dc-499e-4454-89a1-541e693e31b1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067

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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/177841/

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