MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02f864baf71847c5832c94f396bb14ba3fd5c1b7d96936427c358f37a6cfa105. 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: 17


Intelligence 17 IOCs YARA 10 File information Comments

SHA256 hash: 02f864baf71847c5832c94f396bb14ba3fd5c1b7d96936427c358f37a6cfa105
SHA3-384 hash: 24683fb8add5cc1d1904df9262700f1f5e412410c7593e155a993aca9a08ae03f100a8de09da91c640e1d66a6c31f91e
SHA1 hash: fdb262c5660dac2a6b30e8a488a05eec6b622151
MD5 hash: 29a50ff6397fe78b930c764195a1d9cb
humanhash: floor-football-hamper-eighteen
File name:PO 2000057560.exe
Download: download sample
Signature Formbook
File size:1'122'843 bytes
First seen:2022-09-20 10:37:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:iAOcZXp0P1xtOcW1JhC1MIDV2riu7w84UopeOH+2UNUquptQZNR:oL1jk+V2rtUUbJZupA
TLSH T10C351243B7D51872E5B22C305B366B316DF97C601E35C66F63E81A68EB320406729FA3
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 80a4a6a6a6a68081 (11 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO 2000057560.exe
Verdict:
Malicious activity
Analysis date:
2022-09-20 10:44:13 UTC
Tags:
autoit formbook trojan stealer

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
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Adding an access-denied ACE
Launching a process
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files with a suspicious file extension
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)
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
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 706152 Sample: PO 2000057560.exe Startdate: 20/09/2022 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 5 other signatures 2->51 11 PO 2000057560.exe 28 2->11         started        process3 file4 35 C:\2_66\xapj.pif, PE32 11->35 dropped 14 xapj.pif 2 11->14         started        process5 signatures6 55 Multi AV Scanner detection for dropped file 14->55 57 Writes to foreign memory regions 14->57 59 Allocates memory in foreign processes 14->59 61 2 other signatures 14->61 17 RegSvcs.exe 14->17         started        20 RegSvcs.exe 14->20         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 2 other signatures 17->43 22 explorer.exe 17->22 injected 24 WerFault.exe 20->24         started        process9 process10 26 msiexec.exe 22->26         started        29 autoconv.exe 22->29         started        signatures11 53 Maps a DLL or memory area into another process 26->53 31 cmd.exe 1 26->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
Win32.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-09-20 09:51:38 UTC
File Type:
PE (Exe)
Extracted files:
358
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oy10 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ecf4b3973be4eb05a27143ab620963ecbe794ee5cbe1c4474b3bebd611bec89c
MD5 hash:
2e3b5e2edd47197529ccc21cc0393f52
SHA1 hash:
fdf35066af7e95c81198d816b41053243350e24a
SH256 hash:
02f864baf71847c5832c94f396bb14ba3fd5c1b7d96936427c358f37a6cfa105
MD5 hash:
29a50ff6397fe78b930c764195a1d9cb
SHA1 hash:
fdb262c5660dac2a6b30e8a488a05eec6b622151
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: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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
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 02f864baf71847c5832c94f396bb14ba3fd5c1b7d96936427c358f37a6cfa105

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments