MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd47fb1d9ae6d4fa2d64afcc600498076f0f8803cb134782723c4a8bd0ae81b4. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments 1

SHA256 hash: fd47fb1d9ae6d4fa2d64afcc600498076f0f8803cb134782723c4a8bd0ae81b4
SHA3-384 hash: dcc69916ad60d34b616240d8ca720bcbb131d80a81ec4aaa309d9d828802a1bc433b79e9a5b5df1d8f223f28bce06e9f
SHA1 hash: f6adb487ed09617c3c07d645f380be648c677e35
MD5 hash: a3ab8b4b585848a10d8cdcb6aa8c4ebf
humanhash: autumn-speaker-winner-shade
File name:a3ab8b4b585848a10d8cdcb6aa8c4ebf
Download: download sample
Signature Formbook
File size:859'136 bytes
First seen:2022-04-04 09:00:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:254C2iNf0uyCoVZGQ56AcWjLicKWdPLm80O0LdRog8h5Ey0VQEjnx2Kuxn:E1GuyRAZkunWtK8ULdsATn
Threatray 14'568 similar samples on MalwareBazaar
TLSH T11A05000415905B9BD9EBFA79DCBAC7210F3E7F15EA289D0B34B1708919E3383A056763
File icon (PE):PE icon
dhash icon f0cce27272f2cef0 (6 x Formbook, 3 x NanoCore, 2 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 602320 Sample: Nzz4Au718k Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 8 other signatures 2->40 10 Nzz4Au718k.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...28zz4Au718k.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 Nzz4Au718k.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.capaholic.com 17->30 32 parkingpage.namecheap.com 198.54.117.216, 49751, 80 NAMECHEAP-NETUS United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 systray.exe 17->21         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-04 08:42:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dw4g rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
3d9692b8e392e86c6f4ea37de14203fabc71818a2da583067cf5253f6442abd3
MD5 hash:
b119a0fbee64bd663e70736a46e6ea69
SHA1 hash:
cd0449ee3e11084a438b3308a31146cbe11dca43
SH256 hash:
144532b8e918a2b9da79dc7ffc90d2e97f1b41b4bb0dfe3c10ca095c8056a7de
MD5 hash:
0a8a856fd37efd68bf9feaff27ec7cfc
SHA1 hash:
6bf86c2ddc833f597356ea6cbef41d13f7e782b4
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
SH256 hash:
fd47fb1d9ae6d4fa2d64afcc600498076f0f8803cb134782723c4a8bd0ae81b4
MD5 hash:
a3ab8b4b585848a10d8cdcb6aa8c4ebf
SHA1 hash:
f6adb487ed09617c3c07d645f380be648c677e35
Malware family:
FormBook
Verdict:
Malicious
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.

Web download

Formbook

Executable exe fd47fb1d9ae6d4fa2d64afcc600498076f0f8803cb134782723c4a8bd0ae81b4

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-04 09:00:46 UTC

url : hxxp://2.58.149.41/ashleyzx.exe