MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e94e76882b30f4050d456d126ec76713b8e997a193ac80269f090f394290086b. 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 5 File information Comments

SHA256 hash: e94e76882b30f4050d456d126ec76713b8e997a193ac80269f090f394290086b
SHA3-384 hash: 84d439a6c76436b0b2f4f6debc3119b87a5409b2f9e0eb0271db276ea69e648b8925fa589be505462485abf7af88f0be
SHA1 hash: 06101d6a3b8e6a377fb303c241e686a4a0785570
MD5 hash: ac9ca2fbc909c6c6148dd94d5601be95
humanhash: princess-vegan-zebra-bakerloo
File name:PO_8791121-964-29_PDF.exe
Download: download sample
Signature FormBook
File size:638'976 bytes
First seen:2022-06-15 12:22:19 UTC
Last seen:2022-06-16 00:10:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b55a1b771627ed72eb5e96c9fbfb87b6 (3 x AveMariaRAT, 2 x RemcosRAT, 1 x DBatLoader)
ssdeep 12288:SHqj6HEjkcF8GrjVrV34sxjX4VzIimwAV24yO+4XN:k2FkceG9rVl5XPimeHK9
TLSH T19ED48E62B2E08432D1131E7CAF1FE6DC983E7E907D1C144926E63E6E2779392742B257
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon c0e4a2a6a4bcbcf8 (6 x Loki, 4 x RemcosRAT, 4 x FormBook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Searching for synchronization primitives
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Result
Verdict:
MALICIOUS
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, DBatLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected FormBook malware
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 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
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 / registry access)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 646217 Sample: PO_8791121-964-29_PDF.exe Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 77 Multi AV Scanner detection for domain / URL 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 83 8 other signatures 2->83 10 PO_8791121-964-29_PDF.exe 1 17 2->10         started        process3 dnsIp4 61 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49731, 49742 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->61 63 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49724, 49737 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->63 65 4 other IPs or domains 10->65 41 C:\Users\Public\Libraries\Zevynkdppe.exe, PE32 10->41 dropped 43 C:\Users\...\Zevynkdppe.exe:Zone.Identifier, ASCII 10->43 dropped 107 Writes to foreign memory regions 10->107 109 Allocates memory in foreign processes 10->109 111 Creates a thread in another existing process (thread injection) 10->111 113 Injects a PE file into a foreign processes 10->113 15 logagent.exe 10->15         started        file5 signatures6 process7 signatures8 115 Modifies the context of a thread in another process (thread injection) 15->115 117 Maps a DLL or memory area into another process 15->117 119 Sample uses process hollowing technique 15->119 121 2 other signatures 15->121 18 explorer.exe 4 4 15->18 injected process9 signatures10 85 Uses netsh to modify the Windows network and firewall settings 18->85 21 Zevynkdppe.exe 15 18->21         started        25 Zevynkdppe.exe 15 18->25         started        27 msiexec.exe 18 18->27         started        30 2 other processes 18->30 process11 dnsIp12 49 prkwsw.am.files.1drv.com 21->49 51 onedrive.live.com 21->51 57 2 other IPs or domains 21->57 87 Writes to foreign memory regions 21->87 89 Allocates memory in foreign processes 21->89 91 Creates a thread in another existing process (thread injection) 21->91 32 DpiScaling.exe 21->32         started        53 prkwsw.am.files.1drv.com 25->53 55 onedrive.live.com 25->55 59 2 other IPs or domains 25->59 93 Multi AV Scanner detection for dropped file 25->93 95 Injects a PE file into a foreign processes 25->95 35 logagent.exe 25->35         started        45 C:\Users\user\AppData\...\1Q8logrv.ini, data 27->45 dropped 47 C:\Users\user\AppData\...\1Q8logri.ini, data 27->47 dropped 97 Detected FormBook malware 27->97 99 Tries to steal Mail credentials (via file / registry access) 27->99 101 Tries to harvest and steal browser information (history, passwords, etc) 27->101 105 2 other signatures 27->105 37 cmd.exe 2 27->37         started        103 Tries to detect virtualization through RDTSC time measurements 30->103 file13 signatures14 process15 signatures16 67 Modifies the context of a thread in another process (thread injection) 32->67 69 Maps a DLL or memory area into another process 32->69 71 Sample uses process hollowing technique 32->71 73 Tries to detect virtualization through RDTSC time measurements 32->73 75 Tries to harvest and steal browser information (history, passwords, etc) 37->75 39 conhost.exe 37->39         started        process17
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2022-06-15 08:20:19 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
24 of 26 (92.31%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:ab58 persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
ModiLoader Second Stage
Formbook
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
SH256 hash:
e94e76882b30f4050d456d126ec76713b8e997a193ac80269f090f394290086b
MD5 hash:
ac9ca2fbc909c6c6148dd94d5601be95
SHA1 hash:
06101d6a3b8e6a377fb303c241e686a4a0785570
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

FormBook

Executable exe e94e76882b30f4050d456d126ec76713b8e997a193ac80269f090f394290086b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments