MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3742959e6d9f9cd1dafa7f205f248a9f51a7567c0a7a52e4bf0464b02062de73. 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

SHA256 hash: 3742959e6d9f9cd1dafa7f205f248a9f51a7567c0a7a52e4bf0464b02062de73
SHA3-384 hash: bd14bf1896d1323398749bd3179cfdaf5b3399c17a24f86a59fea6a3cc428aea2eba2231b3c444f4b7bf970ccc8d0f2d
SHA1 hash: eb9e3aee603d216caa5218e462e7df3db39b5ad5
MD5 hash: b9ae7cbbc3ef64c200156142cc8d6556
humanhash: september-bakerloo-bravo-magnesium
File name:PO_210317.exe
Download: download sample
Signature Formbook
File size:716'800 bytes
First seen:2021-03-17 01:54:04 UTC
Last seen:2021-03-17 03:35:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:AqCr1nFO1ca/q++J/buY8dKTLNDho73DoJ+1tACu0iq8cATSDmk0nL20pxxhtZ/1:cnFO1/qNS4TLN83Eoov
Threatray 4'194 similar samples on MalwareBazaar
TLSH 20E48CAD726076DFC827C972CEA81C64EAA1746B431BC273A05311DD9A4D99BDF340F2
Reporter Anonymous
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_210317.exe
Verdict:
Malicious activity
Analysis date:
2021-03-17 01:43:37 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Scheduled temp file as task from temp location
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 369768 Sample: PO_210317.exe Startdate: 17/03/2021 Architecture: WINDOWS Score: 100 41 www.cleopatrasormus.com 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 57 12 other signatures 2->57 11 PO_210317.exe 7 2->11         started        signatures3 55 System process connects to network (likely due to code injection or exploit) 41->55 process4 file5 33 C:\Users\user\AppData\Roaming\npHZzD.exe, PE32 11->33 dropped 35 C:\Users\user\...\npHZzD.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmpB22D.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\PO_210317.exe.log, ASCII 11->39 dropped 67 Detected unpacking (changes PE section rights) 11->67 69 Detected unpacking (overwrites its own PE header) 11->69 71 Uses schtasks.exe or at.exe to add and modify task schedules 11->71 73 2 other signatures 11->73 15 PO_210317.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 Queues an APC in another process (thread injection) 15->81 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 pro-oversea.site.cdncenter.cn 154.85.59.169, 49738, 80 BAIDUBeijingBaiduNetcomScienceandTechnologyCoLtd Seychelles 20->43 45 www.juduojiapinpdd.com 20->45 47 3 other IPs or domains 20->47 59 System process connects to network (likely due to code injection or exploit) 20->59 26 msiexec.exe 20->26         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2021-03-16 22:57:16 UTC
AV detection:
7 of 47 (14.89%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.avonvalleycollege.com/kbc/
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
SH256 hash:
3742959e6d9f9cd1dafa7f205f248a9f51a7567c0a7a52e4bf0464b02062de73
MD5 hash:
b9ae7cbbc3ef64c200156142cc8d6556
SHA1 hash:
eb9e3aee603d216caa5218e462e7df3db39b5ad5
Please note that we are no longer able to provide a coverage score for Virus Total.

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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Comments