MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04e123cec63f36e0860b6917805f83fe0fedc68ea1e5645747936743e83f6fd3. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 04e123cec63f36e0860b6917805f83fe0fedc68ea1e5645747936743e83f6fd3
SHA3-384 hash: 4dc34737e5041a3ffdc31885ee1c11147bc205c88343fb5b1e5901b24c322785f9ca0be934988741124c9873be2b1b15
SHA1 hash: 2280ed65ebd75f8ccf63cec83e351371c2c9504f
MD5 hash: c109da01ac05cc1c7da1727b299262e8
humanhash: coffee-fruit-texas-nine
File name:Invoice.exe
Download: download sample
Signature Formbook
File size:889'856 bytes
First seen:2022-05-10 12:37:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:tWCgu/O0fBt7J08yLsAabPBozt5cdDsyXhmoT6dwRWlqMtyGKbm0Icjc2pf:N/Z28aabJ6tx8zm0fMUGK60IcjV
Threatray 15'365 similar samples on MalwareBazaar
TLSH T143158D5172C8EDBEC419027AC42586F05225AE46C1A9C71BAC96FEDE35F3383616BD0F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 12:45:14 UTC
Tags:
formbook

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 623409 Sample: Invoice.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 6 other signatures 2->62 10 Invoice.exe 7 2->10         started        process3 file4 40 C:\Users\user\AppData\...\QhxBVUHUmP.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp706F.tmp, XML 10->42 dropped 44 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 10->44 dropped 66 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 10->68 70 Adds a directory exclusion to Windows Defender 10->70 72 2 other signatures 10->72 14 Invoice.exe 10->14         started        17 powershell.exe 25 10->17         started        19 powershell.exe 24 10->19         started        21 2 other processes 10->21 signatures5 process6 signatures7 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        process8 dnsIp9 46 www.mywafflehelps.com 23->46 64 System process connects to network (likely due to code injection or exploit) 23->64 33 cmmon32.exe 23->33         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 33->48 50 Modifies the context of a thread in another process (thread injection) 33->50 52 Maps a DLL or memory area into another process 33->52 54 Tries to detect virtualization through RDTSC time measurements 33->54 36 cmd.exe 33->36         started        process13 process14 38 conhost.exe 36->38         started       
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-05-10 01:10:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o27j evasion rat spyware stealer suricata trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
1e1f574adb1ccbb65908d2d875dfb767d5408385b3cbdbc56a2008586c81f88f
MD5 hash:
cace93ae67f2039a3838bc00a76bf36c
SHA1 hash:
b133f51c2106edcdf7d0fe412a0d2472d912d59b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
2c96dca6be7b0834ba07842e92c2891e179bc4e2d3530b22f3156359ad973f2b
MD5 hash:
c94e221282a559eafc32b2ac7916757c
SHA1 hash:
fee1cc806e6d1e1a8545e207adeeb0e0dace3d85
SH256 hash:
2a0cb18f8a502b4d086bed5b48433147b5381c7f7e835bcb3bcdcb79f7927056
MD5 hash:
03817fead7a058cf7f79777f07aed092
SHA1 hash:
c56f9ab9aac0f916d31a7774d316a76a3a637626
SH256 hash:
025f81e55e83ef2514ddb7347abf07d4793e037c7c82a591bfb80f68ff87a339
MD5 hash:
25b6510af6b61831af43b2813418a4bb
SHA1 hash:
0a44064bb779f5c8e7e57d6551b415666177d352
SH256 hash:
04e123cec63f36e0860b6917805f83fe0fedc68ea1e5645747936743e83f6fd3
MD5 hash:
c109da01ac05cc1c7da1727b299262e8
SHA1 hash:
2280ed65ebd75f8ccf63cec83e351371c2c9504f
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.

  
Delivery method
Other

Comments