MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f30838cd091ef527b390611f7e1ee1468366133f87fe4819360160de105aaab7. 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
| SHA256 hash: | f30838cd091ef527b390611f7e1ee1468366133f87fe4819360160de105aaab7 |
|---|---|
| SHA3-384 hash: | ef2d645fca3f7bea2805ec5f1fd54ef3d0e1096781225c6195d6ad641247d064ca8a1e2385d92ac477b71817be89c1bb |
| SHA1 hash: | a9765706c661c8b0edf057b00b3685b4ddeb8e4d |
| MD5 hash: | c4b7c2e269d806d523ee4285ada78a20 |
| humanhash: | snake-nevada-triple-thirteen |
| File name: | PO#4500809440.pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 609'280 bytes |
| First seen: | 2020-10-15 12:52:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:pX4gy5FyrJ27jLykSFNCU3N7jNkcwDiUQTrv/CZA3d7r/zWnktpQ9g:qbNLyZFNjN7jN5wmxyqZz6kf |
| Threatray | 2'465 similar samples on MalwareBazaar |
| TLSH | 37D4125629ACEB56C2BE47FD0078000467F250277663D3488CC5B5EFB7A6F939258ACB |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: server.swisspac.es
Sending IP: 216.10.247.108
From: Jerry Zhao <electric025@126.com>
Subject: Re: RFQ PO#4500809440
Attachment: PO4500809440.pdf.rar (contains "PO#4500809440.pdf.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching cmd.exe command interpreter
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
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: Steal Google chrome login data
Sigma detected: Suspicious Double Extension
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-10-15 10:36:34 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
netwirerc
Similar samples:
+ 2'455 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.porcber.com/cfo/
Unpacked files
SH256 hash:
f30838cd091ef527b390611f7e1ee1468366133f87fe4819360160de105aaab7
MD5 hash:
c4b7c2e269d806d523ee4285ada78a20
SHA1 hash:
a9765706c661c8b0edf057b00b3685b4ddeb8e4d
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
32a5d813c9a17a2e9ba0b3660dd061ce20e3ff3d3e54db695731d35089982b4f
MD5 hash:
ab217c9df0e205752e35c5827286b5c2
SHA1 hash:
a24efb496c4b82711381964c6b515821df8e5be6
SH256 hash:
b437b7d9676d509a5e1ce0229ffe59964f7540eebc4a69126eecfcb25bfa66e9
MD5 hash:
633c5d180309d1a490b65d7f515a48aa
SHA1 hash:
e8041cad9587d83a08b6b29c65bbdcc7d49f2d9e
Detections:
win_formbook_g0
win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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