MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa2fea7b2c7e6d02c40890b178133c0c21e6e1182c170c09de4550e85c98e67f. 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: fa2fea7b2c7e6d02c40890b178133c0c21e6e1182c170c09de4550e85c98e67f
SHA3-384 hash: 48ab27e662225606022640d8ba0f220e71f867962e3905edc039ee53c1b0be230a777dbce5565b5fb1ffb14d87e2124b
SHA1 hash: e9bae2e310b6e122354983b8e75dba91ff03c753
MD5 hash: a61336afd70ff660a61155dd9bb24c9d
humanhash: lima-queen-ack-low
File name:XwFxBxg9AbaxStq.exe
Download: download sample
Signature Formbook
File size:572'928 bytes
First seen:2020-08-13 04:35:25 UTC
Last seen:2020-08-13 05:35:51 UTC
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:ptUROuZj2uUPExLftpbdMcUI1bS+FJozNZ07pAjs:ptSOUfCExjtBuc9JC+7+
Threatray 2'240 similar samples on MalwareBazaar
TLSH 74C4EFDB2EF8D6F5D0AA36B8E7510301077299392A33C60AFFD262DE543D26077D0666
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
69
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
Benign windows process drops PE files
Detected FormBook malware
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
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: 265009 Sample: XwFxBxg9AbaxStq.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 52 www.vwuke.top 2->52 60 Malicious sample detected (through community Yara rule) 2->60 62 Yara detected AntiVM_3 2->62 64 Yara detected FormBook 2->64 66 7 other signatures 2->66 11 XwFxBxg9AbaxStq.exe 3 2->11         started        signatures3 process4 file5 50 C:\Users\user\...\XwFxBxg9AbaxStq.exe.log, ASCII 11->50 dropped 90 Tries to detect virtualization through RDTSC time measurements 11->90 92 Injects a PE file into a foreign processes 11->92 15 XwFxBxg9AbaxStq.exe 11->15         started        18 XwFxBxg9AbaxStq.exe 11->18         started        signatures6 process7 signatures8 94 Modifies the context of a thread in another process (thread injection) 15->94 96 Maps a DLL or memory area into another process 15->96 98 Sample uses process hollowing technique 15->98 100 Queues an APC in another process (thread injection) 15->100 20 explorer.exe 4 6 15->20 injected process9 dnsIp10 54 www.iskovlay.com 63.250.41.146, 49752, 49753, 49754 NAMECHEAP-NETUS United States 20->54 56 www.livingpokke.com 104.198.14.52, 49755, 49756, 49757 GOOGLEUS United States 20->56 58 www.sajhadabali.com 104.24.106.23, 49751, 80 CLOUDFLARENETUS United States 20->58 44 C:\Users\user\AppData\...\-zlj8tp4zu.exe, PE32 20->44 dropped 74 System process connects to network (likely due to code injection or exploit) 20->74 76 Benign windows process drops PE files 20->76 25 svchost.exe 1 17 20->25         started        29 -zlj8tp4zu.exe 3 20->29         started        31 -zlj8tp4zu.exe 2 20->31         started        33 2 other processes 20->33 file11 signatures12 process13 file14 46 C:\Users\user\AppData\...\7-Plogrv.ini, data 25->46 dropped 48 C:\Users\user\AppData\...\7-Plogri.ini, data 25->48 dropped 78 Detected FormBook malware 25->78 80 Tries to steal Mail credentials (via file access) 25->80 82 Tries to harvest and steal browser information (history, passwords, etc) 25->82 88 2 other signatures 25->88 35 cmd.exe 1 25->35         started        84 Injects a PE file into a foreign processes 29->84 37 -zlj8tp4zu.exe 29->37         started        40 -zlj8tp4zu.exe 31->40         started        86 Tries to detect virtualization through RDTSC time measurements 33->86 signatures15 process16 signatures17 42 conhost.exe 35->42         started        68 Modifies the context of a thread in another process (thread injection) 37->68 70 Maps a DLL or memory area into another process 37->70 72 Sample uses process hollowing technique 37->72 process18
Threat name:
ByteCode-MSIL.Trojan.WrapAgent
Status:
Malicious
First seen:
2020-08-11 08:35:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.iskovlay.com/r7m/
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.

Malspam

Formbook

Executable exe fa2fea7b2c7e6d02c40890b178133c0c21e6e1182c170c09de4550e85c98e67f

(this sample)

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