MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06c8c127ef48c4409df79aa16dda350b4c9a098677f9e9d95bceb9538f32f8db. 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

SHA256 hash: 06c8c127ef48c4409df79aa16dda350b4c9a098677f9e9d95bceb9538f32f8db
SHA3-384 hash: 04a8df72aaa5f328e1e8f9f440f4ad1ef5d15d90409a0422b2a908a30c271e6f5f184722aef0bc7977cf3fe15425f592
SHA1 hash: 877190b0e808d94d99d65bba6398b21f5f1b842f
MD5 hash: 36d7b8e1c8c112140ca4f2765cda9a68
humanhash: asparagus-table-uniform-triple
File name:Cup7RBhtH1hD8yP.exe
Download: download sample
Signature Formbook
File size:990'208 bytes
First seen:2022-03-08 15:08:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:YSSf16NgDS8c6uHya6qscnvhJwQJ+Tl7rRgn:YewW68ya6TcJJMTl7rRg
Threatray 14'930 similar samples on MalwareBazaar
TLSH T1CB25BF00A9EA503AF52E6AA51BC1BD7719D3B96E1014E0BE2C5CCA884FD077C9DC1F76
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe 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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 585156 Sample: Cup7RBhtH1hD8yP.exe Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 41 www.3widah.net 2->41 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 11 other signatures 2->49 11 Cup7RBhtH1hD8yP.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\ANryLCzt.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp4E2D.tmp, XML 11->37 dropped 39 C:\Users\user\...\Cup7RBhtH1hD8yP.exe.log, ASCII 11->39 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 11->51 53 Adds a directory exclusion to Windows Defender 11->53 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 Cup7RBhtH1hD8yP.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 mstsc.exe 22->28         started        signatures11 57 Self deletion via cmd delete 28->57 59 Modifies the context of a thread in another process (thread injection) 28->59 61 Maps a DLL or memory area into another process 28->61 63 Tries to detect virtualization through RDTSC time measurements 28->63 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-08 15:09:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:wcur loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
08340b414d758965daabe5a19c6fa4176664753febd23f2495056eb6506bf017
MD5 hash:
e1563fd5f31ac044299112c8e889892d
SHA1 hash:
99f9e7a07c5b740008cd67ea3c76503ea16fac4e
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
SH256 hash:
e62fc068be870bd1f2bc476585a59a4e80626702133af56bcab92fe5eaa4ec91
MD5 hash:
38f3a7a300a0a7245d0f6f0d8bc6b328
SHA1 hash:
0899a94d5e1e91d95000ebbfc12bd11d477d11cb
SH256 hash:
06c8c127ef48c4409df79aa16dda350b4c9a098677f9e9d95bceb9538f32f8db
MD5 hash:
36d7b8e1c8c112140ca4f2765cda9a68
SHA1 hash:
877190b0e808d94d99d65bba6398b21f5f1b842f
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.

Comments