MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a49278e32de8c758012e44c3519591a7997b261e453827ff7b11158786563430. 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 4 File information Comments

SHA256 hash: a49278e32de8c758012e44c3519591a7997b261e453827ff7b11158786563430
SHA3-384 hash: 405c876d749fb1cf0d3f5fa44c13e34d0af5481563654841b8bdf63f2afb118e912db924088068b2beb9efc2c3c45172
SHA1 hash: f7288112dc0a70b38d109bda6440c0e3abb9b8be
MD5 hash: 270c6f09cf20137c694d939284f9ba7b
humanhash: winter-harry-magazine-connecticut
File name:009547789723_pdf.exe
Download: download sample
Signature Formbook
File size:712'704 bytes
First seen:2021-09-02 14:07:24 UTC
Last seen:Never
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:geZhEGGjK/rdNIo4aOyT68kD7GvIx8mu3KJ6:gyGGzuryGbvGgx8mWc6
Threatray 9'014 similar samples on MalwareBazaar
TLSH T106E41B3E18FE2327D176C7E5CBE58827B6D098AF3233A96457D747264316A4634C322E
dhash icon c49a18b4949c64d4 (6 x AgentTesla, 2 x Formbook, 1 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
009547789723_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-02 13:20:33 UTC
Tags:
trojan formbook stealer

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
Sending a custom TCP 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
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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
Self deletion via cmd delete
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: 476515 Sample: 009547789723_pdf.exe Startdate: 02/09/2021 Architecture: WINDOWS Score: 100 39 www.wecare4therich.com 2->39 41 wecare4therich.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 55 10 other signatures 2->55 11 009547789723_pdf.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\XqTvBmQZW.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmp45DE.tmp, XML 11->35 dropped 37 C:\Users\user\...\009547789723_pdf.exe.log, ASCII 11->37 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 11->67 69 Tries to detect virtualization through RDTSC time measurements 11->69 71 Injects a PE file into a foreign processes 11->71 15 009547789723_pdf.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 www.coffeeandsupplycompany.com 91.195.240.87, 49725, 80 SEDO-ASDE Germany 20->43 45 www.parkplatinum.com 156.252.77.184, 49724, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 20->45 47 9 other IPs or domains 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 26 WWAHost.exe 20->26         started        signatures11 process12 signatures13 59 Self deletion via cmd delete 26->59 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.Spyware.Noon
Status:
Malicious
First seen:
2021-09-02 09:13:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 28 (67.86%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:zrmt loader rat suricata
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.xcwwjzsb.com/zrmt/
Unpacked files
SH256 hash:
c0c031a1e398d6e72926313b3279c743f32c9674f89c4af79ed66b1a829a4895
MD5 hash:
604ce4ce93647b97e116df65d4696450
SHA1 hash:
3aa2402eaa2ebac3b95e1e15cf21dac90e18233a
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6ef40d6cc4813579c0a6706ea254a735d649fb0a82e3f6094d28b1328dd05fbf
MD5 hash:
58bf578feb5458bfc4f0fb9e9b745033
SHA1 hash:
c943c903d50a495250d500645a43c928e0a0de56
SH256 hash:
81f9eac76804c02f5baaa34c91b5775f965a34ad7811218d9c24e50cb6d9a90c
MD5 hash:
bae511742374b721136acaa03b0c1fa0
SHA1 hash:
215c50455b01a78ea173bbb034ddbe4b452ea734
SH256 hash:
a49278e32de8c758012e44c3519591a7997b261e453827ff7b11158786563430
MD5 hash:
270c6f09cf20137c694d939284f9ba7b
SHA1 hash:
f7288112dc0a70b38d109bda6440c0e3abb9b8be
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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.

  
Delivery method
Other

Comments