MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbce721b186a5ebb1a2c51249571d8021cc67c019a0cfbc0cef73fd1de48708e. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments 1

SHA256 hash: cbce721b186a5ebb1a2c51249571d8021cc67c019a0cfbc0cef73fd1de48708e
SHA3-384 hash: 9d5f53889b89b8c7e8758068d01a0e77954ec59a7db96922e8f2f08467e52c9f92262b540616f878afca88801302cb46
SHA1 hash: 24e6775ed6e4beb4235cc0604d6627a055aefbc1
MD5 hash: c352208b986b71d83fdc059413c236f0
humanhash: xray-louisiana-artist-salami
File name:c352208b986b71d83fdc059413c236f0
Download: download sample
Signature FormBook
File size:220'762 bytes
First seen:2022-11-02 01:32:20 UTC
Last seen:2023-08-07 20:54:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:qweEpws+7aOJr52ZvqBHtT69I83TEKX6eorwr:bwz71FIAB83TGeoMr
TLSH T17524122734E084EBC5A78631D533977AE3B77B11071207970BD08EB6261A9C2B64F79B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
317
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
c352208b986b71d83fdc059413c236f0
Verdict:
Malicious activity
Analysis date:
2022-11-02 01:33:48 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
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Launching a process
Сreating synchronization primitives
Reading critical registry keys
Launching cmd.exe command interpreter
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
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
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Machine Learning detection for sample
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735561 Sample: ORL6bS0svu.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 5 other signatures 2->67 11 ORL6bS0svu.exe 18 2->11         started        process3 file4 51 C:\Users\user\AppData\Local\Temp\slwigr.exe, PE32 11->51 dropped 14 slwigr.exe 1 2 11->14         started        process5 file6 53 C:\Users\user\AppData\...\bdouwlcqivtf.exe, PE32 14->53 dropped 101 Multi AV Scanner detection for dropped file 14->101 103 Maps a DLL or memory area into another process 14->103 105 Tries to detect virtualization through RDTSC time measurements 14->105 18 slwigr.exe 14->18         started        signatures7 process8 signatures9 69 Modifies the context of a thread in another process (thread injection) 18->69 71 Maps a DLL or memory area into another process 18->71 73 Sample uses process hollowing technique 18->73 75 Queues an APC in another process (thread injection) 18->75 21 explorer.exe 18->21 injected process10 dnsIp11 55 oemhw.meiticaigou.cn 119.8.238.245, 49705, 49706, 80 HWCLOUDS-AS-APHUAWEICLOUDSHK Singapore 21->55 57 www.kikubadi.app 21->57 59 2 other IPs or domains 21->59 85 System process connects to network (likely due to code injection or exploit) 21->85 25 wlanext.exe 18 21->25         started        29 bdouwlcqivtf.exe 21->29         started        31 bdouwlcqivtf.exe 21->31         started        33 2 other processes 21->33 signatures12 process13 file14 47 C:\Users\user\AppData\...\O7Mlogrv.ini, data 25->47 dropped 49 C:\Users\user\AppData\...\O7Mlogri.ini, data 25->49 dropped 87 Detected FormBook malware 25->87 89 Tries to steal Mail credentials (via file / registry access) 25->89 91 Tries to harvest and steal browser information (history, passwords, etc) 25->91 93 Modifies the context of a thread in another process (thread injection) 25->93 35 cmd.exe 2 25->35         started        95 Multi AV Scanner detection for dropped file 29->95 97 Maps a DLL or memory area into another process 29->97 99 Tries to detect virtualization through RDTSC time measurements 29->99 39 bdouwlcqivtf.exe 29->39         started        41 bdouwlcqivtf.exe 31->41         started        signatures15 process16 file17 45 C:\Users\user\AppData\Local\Temp\DB1, SQLite 35->45 dropped 77 Tries to harvest and steal browser information (history, passwords, etc) 35->77 43 conhost.exe 35->43         started        79 Modifies the context of a thread in another process (thread injection) 39->79 81 Maps a DLL or memory area into another process 39->81 83 Sample uses process hollowing technique 39->83 signatures18 process19
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2022-11-02 01:33:08 UTC
File Type:
PE (Exe)
Extracted files:
4
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:b47h persistence rat spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
070ea56517e010e12f66afc4c669998993abff8628c107dedd5d7623be501d41
MD5 hash:
bfab37074e7d112ed27451869fdd29c9
SHA1 hash:
d901c85ab279578420d432eaf72be2d693b56c29
SH256 hash:
4d0dcf645ad3aad22c15767f2202f2c6f4c89892f11f7fffa0712ebbc1393048
MD5 hash:
b53ba3053206e36988560fe9e75243bb
SHA1 hash:
d3ad21503937536336899ccfc266214747d8dc92
SH256 hash:
cbce721b186a5ebb1a2c51249571d8021cc67c019a0cfbc0cef73fd1de48708e
MD5 hash:
c352208b986b71d83fdc059413c236f0
SHA1 hash:
24e6775ed6e4beb4235cc0604d6627a055aefbc1
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:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
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.

Web download

FormBook

Executable exe cbce721b186a5ebb1a2c51249571d8021cc67c019a0cfbc0cef73fd1de48708e

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-02 01:32:22 UTC

url : hxxp://208.67.105.179/bozx.exe