MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc6383269f02e6ed2718f01a43a913e462c8fe49326259eabf9d3fea83fa0a26. 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 1

SHA256 hash: dc6383269f02e6ed2718f01a43a913e462c8fe49326259eabf9d3fea83fa0a26
SHA3-384 hash: 159826088e51363b35e24c52aa14dc20e63aba667db31d002656401cebf3f7f9d1490bebb1e37a8181cc33b7410e1d68
SHA1 hash: 87f224028d03c930e385a2578b44237781c974b5
MD5 hash: c638fe43f06e805ef33afeab828d8342
humanhash: mirror-six-zebra-ohio
File name:c638fe43f06e805ef33afeab828d8342
Download: download sample
Signature Formbook
File size:777'728 bytes
First seen:2022-06-15 11:55:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash af0c0876a9f8593431bb7b319053d44d (6 x Formbook, 2 x ModiLoader, 1 x DBatLoader)
ssdeep 12288:M8q60+2OVKAqSdGeXX8cViJ+g+CRxZtVSX3x7FRSJWeOkD4Hg:th0kVKAV0eX7VPgRxZtVSn52
TLSH T107F48C22E1A10736C03E59797FCBD6DB5CE6AED02924A88627E57E0C9E35E403FD6143
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 b0d9cacec8cadd30 (6 x Formbook, 2 x ModiLoader, 1 x DBatLoader)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching the process to interact with network services
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Sending an HTTP GET request
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
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
anti-vm
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:
DBatLoader, FormBook
Detection:
malicious
Classification:
troj.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)
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network 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: 646129 Sample: ze251v4tnu Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 4 other signatures 2->80 10 ze251v4tnu.exe 1 22 2->10         started        process3 dnsIp4 56 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49752, 49772 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->56 58 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49748, 49765 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->58 60 3 other IPs or domains 10->60 50 C:\Users\Public\Libraries\Uhjxljsuis.exe, PE32 10->50 dropped 52 C:\Users\Public\Libraries\UhjxljsuisO.bat, ASCII 10->52 dropped 54 C:\Users\...\Uhjxljsuis.exe:Zone.Identifier, ASCII 10->54 dropped 94 Writes to foreign memory regions 10->94 96 Allocates memory in foreign processes 10->96 98 Creates a thread in another existing process (thread injection) 10->98 100 Injects a PE file into a foreign processes 10->100 15 logagent.exe 10->15         started        18 cmd.exe 1 10->18         started        file5 signatures6 process7 signatures8 116 Modifies the context of a thread in another process (thread injection) 15->116 118 Maps a DLL or memory area into another process 15->118 120 Sample uses process hollowing technique 15->120 122 2 other signatures 15->122 20 explorer.exe 2 15->20 injected 23 help.exe 15->23         started        25 cmd.exe 1 18->25         started        27 conhost.exe 18->27         started        process9 signatures10 82 Uses ipconfig to lookup or modify the Windows network settings 20->82 29 Uhjxljsuis.exe 17 20->29         started        33 Uhjxljsuis.exe 14 20->33         started        35 chkdsk.exe 20->35         started        37 ipconfig.exe 20->37         started        84 Tries to detect virtualization through RDTSC time measurements 23->84 39 conhost.exe 25->39         started        process11 dnsIp12 62 onedrive.live.com 29->62 64 l-0004.l-dc-msedge.net 29->64 70 3 other IPs or domains 29->70 102 Writes to foreign memory regions 29->102 104 Allocates memory in foreign processes 29->104 106 Creates a thread in another existing process (thread injection) 29->106 41 DpiScaling.exe 29->41         started        66 onedrive.live.com 33->66 68 l-0003.l-dc-msedge.net 33->68 72 2 other IPs or domains 33->72 108 Injects a PE file into a foreign processes 33->108 44 logagent.exe 33->44         started        110 Modifies the context of a thread in another process (thread injection) 35->110 112 Maps a DLL or memory area into another process 35->112 114 Tries to detect virtualization through RDTSC time measurements 35->114 46 cmd.exe 1 35->46         started        signatures13 process14 signatures15 86 Modifies the context of a thread in another process (thread injection) 41->86 88 Maps a DLL or memory area into another process 41->88 90 Sample uses process hollowing technique 41->90 92 Tries to detect virtualization through RDTSC time measurements 41->92 48 conhost.exe 46->48         started        process16
Threat name:
Win32.Trojan.Injuke
Status:
Malicious
First seen:
2022-06-15 11:56:15 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:modiloader family:xloader campaign:c38n loader persistence rat suricata trojan
Behaviour
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
ModiLoader Second Stage
Xloader Payload
ModiLoader, DBatLoader
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
SH256 hash:
dc6383269f02e6ed2718f01a43a913e462c8fe49326259eabf9d3fea83fa0a26
MD5 hash:
c638fe43f06e805ef33afeab828d8342
SHA1 hash:
87f224028d03c930e385a2578b44237781c974b5
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:meth_get_eip
Author:Willi Ballenthin

File information


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

Web download

Formbook

Executable exe dc6383269f02e6ed2718f01a43a913e462c8fe49326259eabf9d3fea83fa0a26

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-15 11:56:11 UTC

url : hxxps://semenpadanghospital.co.id/me/obi.exe