MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82478a8a9aad7d755492677e29689c5656bddb130798408bc38a751ccd35cfbd. 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 3 File information Comments

SHA256 hash: 82478a8a9aad7d755492677e29689c5656bddb130798408bc38a751ccd35cfbd
SHA3-384 hash: 54924e918bfc845586529bac74fd9f2939aad086588184e766b33f0b4f5e9ab9a90418fb6d430b2b67e7e49951d75533
SHA1 hash: 5e0c30d0b93c402d537cfb5e07eaa8d56d95d1f4
MD5 hash: e0f08dfaeaed44278f920fc7273fdf44
humanhash: wyoming-glucose-lemon-oxygen
File name:vbc.exe
Download: download sample
Signature Formbook
File size:543'682 bytes
First seen:2022-10-03 12:51:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (390 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 6144:HTouKrWBEu3/Z2lpGDHU3ykJADi/X0+MNfSN5TLCeQap2BUsMD:HToPWBv/cpGrU3yxDmX03NyKa
TLSH T15AC4CE017AC188B3D77E0FF64A2D661164387D331BA4B99F73803928A9315B186FD67E
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 8170e48666e0f002 (1 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system 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:
anti-vm 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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 715023 Sample: vbc.exe Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 35 www.nisasoftball.com 2->35 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for dropped file 2->55 57 4 other signatures 2->57 10 vbc.exe 10 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\Temp\xrpje.exe, PE32 10->29 dropped 13 xrpje.exe 2 10->13         started        process6 file7 31 C:\Users\user\AppData\Local\Temp\9C67.tmp, PE32 13->31 dropped 33 C:\Users\user\AppData\Local\Temp\94F4.tmp, PE32 13->33 dropped 69 Multi AV Scanner detection for dropped file 13->69 71 Found hidden mapped module (file has been removed from disk) 13->71 17 xrpje.exe 13->17         started        20 xrpje.exe 13->20         started        signatures8 process9 signatures10 43 Modifies the context of a thread in another process (thread injection) 17->43 45 Maps a DLL or memory area into another process 17->45 47 Sample uses process hollowing technique 17->47 49 Queues an APC in another process (thread injection) 17->49 22 explorer.exe 17->22 injected process11 dnsIp12 37 www.choiceloanlimited.com 185.215.4.67, 49710, 49711, 49712 TVHORADADAES Denmark 22->37 39 www.applymedschool.com 194.147.142.212, 49703, 80 PTPEU unknown 22->39 41 4 other IPs or domains 22->41 59 System process connects to network (likely due to code injection or exploit) 22->59 26 systray.exe 13 22->26         started        signatures13 process14 signatures15 61 Tries to steal Mail credentials (via file / registry access) 26->61 63 Tries to harvest and steal browser information (history, passwords, etc) 26->63 65 Modifies the context of a thread in another process (thread injection) 26->65 67 Maps a DLL or memory area into another process 26->67
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-10-03 06:47:50 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:bi0n rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Uses the VBS compiler for execution
Executes dropped EXE
Formbook
Gathering data
Unpacked files
SH256 hash:
fb095834c0ccb8181c425cb6e33215e5f2c9aed1100c7eef07c528433c6aa477
MD5 hash:
aea11acf6faeb042bd5d83d37c7e4774
SHA1 hash:
9cc3b56c34975d182b9016fd46d0b05d36192ae6
SH256 hash:
46e1df6412deb23c3a46171b1f1e4ddb4e9b111f68d92321eff93be194e80194
MD5 hash:
9d563520475d9515a1c83ceaabee7f99
SHA1 hash:
394dbaa59b33deea4a4ac0d1caa163c4e7b2be42
SH256 hash:
82478a8a9aad7d755492677e29689c5656bddb130798408bc38a751ccd35cfbd
MD5 hash:
e0f08dfaeaed44278f920fc7273fdf44
SHA1 hash:
5e0c30d0b93c402d537cfb5e07eaa8d56d95d1f4
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest8
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information


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

Comments