MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16346ed15b2d60e072d99cd110e29c8bef43483b9f8a5f9246123750bc0073d6. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 16346ed15b2d60e072d99cd110e29c8bef43483b9f8a5f9246123750bc0073d6
SHA3-384 hash: 0b1b5dfdecaa5586f9d466995fb422bca311dfad9ca1ca77a0eebfaf5a5fd2c40817ae7546e32ef632ef267975da87f8
SHA1 hash: 17b747e3e1de9296f862d522a9664046d2d3469e
MD5 hash: 031281aa0667cba260ddad6f77c89ccd
humanhash: johnny-alaska-april-colorado
File name:file
Download: download sample
Signature Formbook
File size:641'815 bytes
First seen:2022-10-28 14:46:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 12288:bItKcNGvH3x+D0NDO6D7zkoT+lqp/7Iu/O2ybZx9Y9rl7jjGHS:bItK9H3xbJZlT+lQTD/O3BArRCHS
TLSH T189D423A93791D57BEF5799B4CF23D2A3C635805102C1E02B8FA2AF9E4C3D4D20D9A1D6
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 jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
400
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 14:49:07 UTC
Tags:
autoit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Creating a file in the system32 subdirectories
Creating a file
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed 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.
Malware family:
LockBit Ransomware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for domain / URL
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 signatures2 2 Behavior Graph ID: 733110 Sample: file.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 5 other signatures 2->39 9 file.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\mwfkiq.exe, PE32 9->25 dropped 12 mwfkiq.exe 9->12         started        process5 signatures6 51 Maps a DLL or memory area into another process 12->51 15 mwfkiq.exe 12->15         started        process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 dnsIp10 27 www.19t221013d.tokyo 36.3.113.7, 49702, 49703, 80 VECTANTARTERIANetworksCorporationJP Japan 18->27 29 www.afterdarksocial.club 162.214.129.149, 49698, 49699, 80 UNIFIEDLAYER-AS-1US United States 18->29 31 6 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 WWAHost.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2022-10-27 03:17:11 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
18 of 41 (43.90%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:henz 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
Reads user/profile data of web browsers
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0e269590075db8fae5f50fc93f05858bee15d0df70fded8257ea05d8dabddc9d
MD5 hash:
346661ca43cb88e99995cdd7c82e8451
SHA1 hash:
4c546b5e83e75342451908d42a3e393246595734
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
28b16f47301f54fa84b0bc5ac89a7af59689d9cef26c72dc46899e68d721927c
MD5 hash:
1a19d42acf93b01f6510ffca0eec3f99
SHA1 hash:
d3a5adc90c2bc1d9b99143800966295b8af46cb9
SH256 hash:
595f8e51fbe326d278c78011343470ce97f5d655ad657023a4ba5edc79006a4d
MD5 hash:
afd61ed83d724ee7e4459b7526109c2f
SHA1 hash:
458f66512e5ba13b3777266528767935fa57028e
SH256 hash:
16346ed15b2d60e072d99cd110e29c8bef43483b9f8a5f9246123750bc0073d6
MD5 hash:
031281aa0667cba260ddad6f77c89ccd
SHA1 hash:
17b747e3e1de9296f862d522a9664046d2d3469e
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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 16346ed15b2d60e072d99cd110e29c8bef43483b9f8a5f9246123750bc0073d6

(this sample)

  
Delivery method
Distributed via web download

Comments