MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecb26efe8b9a41b26bd920e537c83517dcc62072ba9675f35511c5fbb7bed6b7. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: ecb26efe8b9a41b26bd920e537c83517dcc62072ba9675f35511c5fbb7bed6b7
SHA3-384 hash: ccc51e30e964e2b8ad6da92c4ca38fbc8164b03ed9ef8c68d0814b9b58994e13a7c4d6202b674bacc46dedfe6b669970
SHA1 hash: 4b02a8431a32e5f6ddc8c9d6b12a377ef9143728
MD5 hash: 762d6534242fd2c37a65b625f45b82ee
humanhash: connecticut-oxygen-twelve-batman
File name:ashleyx.exe
Download: download sample
Signature FormBook
File size:439'808 bytes
First seen:2020-08-12 13:15:11 UTC
Last seen:2020-08-12 13:45:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:cufclTM+wixLfcGJThvqhmgvTFCxQ2Gd:aMnixjcGJT4QGUG
Threatray 5'180 similar samples on MalwareBazaar
TLSH 4294E164A2885B81D12EA7798331261613F2DD2FA739EF4D7FD313EC0962B329791943
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected FormBook malware
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 263761 Sample: ashleyx.exe Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 34 www.pfizerperformancepays.com 2->34 38 Malicious sample detected (through community Yara rule) 2->38 40 Yara detected AntiVM_3 2->40 42 Yara detected FormBook 2->42 44 4 other signatures 2->44 9 ashleyx.exe 3 2->9         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\ashleyx.exe.log, ASCII 9->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 9->54 56 Injects a PE file into a foreign processes 9->56 13 ashleyx.exe 9->13         started        signatures6 process7 signatures8 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 Queues an APC in another process (thread injection) 13->64 16 explorer.exe 13->16 injected process9 dnsIp10 30 www.pfizerperformancepays.com 107.148.99.49, 80 PEGTECHINCUS United States 16->30 32 www.igo.group 74.208.236.223, 49726, 49727, 49728 ONEANDONE-ASBrauerstrasse48DE United States 16->32 36 System process connects to network (likely due to code injection or exploit) 16->36 20 raserver.exe 17 16->20         started        signatures11 process12 file13 24 C:\Users\user\AppData\...\L9Nlogrv.ini, data 20->24 dropped 26 C:\Users\user\AppData\...\L9Nlogri.ini, data 20->26 dropped 46 Detected FormBook malware 20->46 48 Tries to steal Mail credentials (via file access) 20->48 50 Tries to harvest and steal browser information (history, passwords, etc) 20->50 52 3 other signatures 20->52 signatures14
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-12 09:25:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.regulars6.com/batw/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

  
Delivery method
Other

Comments