MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b03a217d1c8260e2c106c76eaf77cba1fe519b51cbed55c37c03ac6d1bd03a3. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 2b03a217d1c8260e2c106c76eaf77cba1fe519b51cbed55c37c03ac6d1bd03a3
SHA3-384 hash: 5ac8b01f64269efb86889232a10315da5f11708275cd3ecbd2fd0c81eb5033074855b4d95e63ab7f6ef6348fb33ca0b1
SHA1 hash: e6b0f1a242c0a2b276dc8eaa2bd5514870a85344
MD5 hash: 44cd4f026c02b17fefea40d5ffd0a9f1
humanhash: paris-yellow-louisiana-sink
File name:Ordem de Compra pdf xxxn7eH.exe
Download: download sample
Signature Formbook
File size:1'034'240 bytes
First seen:2022-09-15 06:23:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:MdOrE4QV7uikFgydfWJOTdlRDqn9IiQx+I6DUHNGcYXEeHfuz:jQlubgkfYOTzRs9I9hbNaX9HO
Threatray 14'653 similar samples on MalwareBazaar
TLSH T17C25D11866B7CD0BC9999530D8D1F2701BB85DC4866FC74B09D83DB7F63B398A8922B1
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 70d4b2a84cd4ec78 (4 x Formbook, 2 x AsyncRAT, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Ordem de Compra pdf xxxn7eH.exe
Verdict:
Malicious activity
Analysis date:
2022-09-14 14:30:28 UTC
Tags:
formbook

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 custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
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: 703243 Sample: Ordem de Compra pdf xxxn7eH.exe Startdate: 15/09/2022 Architecture: WINDOWS Score: 100 46 www.internetindihome.com 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 12 other signatures 2->54 11 Ordem de Compra pdf xxxn7eH.exe 7 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\LkRGpjUCije.exe, PE32 11->38 dropped 40 C:\Users\...\LkRGpjUCije.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmpEBF9.tmp, XML 11->42 dropped 44 C:\...\Ordem de Compra pdf xxxn7eH.exe.log, ASCII 11->44 dropped 58 Adds a directory exclusion to Windows Defender 11->58 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        20 powershell.exe 19 11->20         started        22 2 other processes 11->22 signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 Queues an APC in another process (thread injection) 15->66 24 explorer.exe 15->24 injected 68 Tries to detect virtualization through RDTSC time measurements 18->68 27 conhost.exe 20->27         started        29 conhost.exe 22->29         started        process9 signatures10 56 Uses netstat to query active network connections and open ports 24->56 31 NETSTAT.EXE 24->31         started        process11 signatures12 70 Modifies the context of a thread in another process (thread injection) 31->70 72 Maps a DLL or memory area into another process 31->72 74 Tries to detect virtualization through RDTSC time measurements 31->74 34 cmd.exe 1 31->34         started        process13 process14 36 conhost.exe 34->36         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-14 14:07:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m21d rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5069ea245b7de91e744c92af7373820786ba145b3b6f0a22fd855bf421abd595
MD5 hash:
38f0ff2ced4b2d3a7064ff095ed037d1
SHA1 hash:
b62523cac33c3351efc6d27468e767f2267ad38d
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
a30b9617b9c52d135b93b34ef03e72357e8d8e3e45a80df13bceec1b20f6ba5a
MD5 hash:
73ae5f76b3ba21f64c9c4b74d0725f39
SHA1 hash:
1926b5523db19c6e36bc6f2ee1b9ddc6d63d2a3e
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
2b03a217d1c8260e2c106c76eaf77cba1fe519b51cbed55c37c03ac6d1bd03a3
MD5 hash:
44cd4f026c02b17fefea40d5ffd0a9f1
SHA1 hash:
e6b0f1a242c0a2b276dc8eaa2bd5514870a85344
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments