MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e675bed2dcde312da5e4304573eebda886e61e542f5b40840bd37d5e90cafe5. 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 2 File information Comments

SHA256 hash: 7e675bed2dcde312da5e4304573eebda886e61e542f5b40840bd37d5e90cafe5
SHA3-384 hash: 31b897cd0ba97aadf9e85a84f72121e5025aa2fbcf7aff2df28e1fae0072d4ed5c8bbbb80622fa092f2090e91f54fcd8
SHA1 hash: 402e372bf27071f6e16c00db56a46e04a9f03742
MD5 hash: c782d22861b4c7ddea6d971af5869db4
humanhash: sad-nine-jersey-pizza
File name:maxda.exe
Download: download sample
Signature Formbook
File size:298'834 bytes
First seen:2022-05-26 13:29:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 55f3dfd13c0557d3e32bcbc604441dd3 (124 x Formbook, 18 x Loki, 13 x AgentTesla)
ssdeep 6144:B0YjICaleZL+ywibYkNnYbrdB/4L/EqHqhZ9Ad7pY9C1lIbkt:TYUwytDGbj/Y/EthZ79YCbg
TLSH T195541237B7D0D467E81315B18AFBF931D377E211A4126A4F27905F74A43E283CA269B2
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
maxda.exe
Verdict:
Malicious activity
Analysis date:
2022-05-26 13:33:38 UTC
Tags:
installer 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
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook 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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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)
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
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 634641 Sample: maxda.exe Startdate: 26/05/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 5 other signatures 2->49 10 maxda.exe 19 2->10         started        process3 file4 29 C:\Users\user\AppData\Local\...\csnrmvl.exe, PE32 10->29 dropped 13 csnrmvl.exe 10->13         started        process5 signatures6 59 Multi AV Scanner detection for dropped file 13->59 61 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->61 63 Tries to detect virtualization through RDTSC time measurements 13->63 65 Injects a PE file into a foreign processes 13->65 16 csnrmvl.exe 13->16         started        process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 16->35 37 Maps a DLL or memory area into another process 16->37 39 Sample uses process hollowing technique 16->39 41 Queues an APC in another process (thread injection) 16->41 19 colorcpl.exe 16->19         started        22 explorer.exe 16->22 injected process9 dnsIp10 51 Modifies the context of a thread in another process (thread injection) 19->51 53 Maps a DLL or memory area into another process 19->53 55 Tries to detect virtualization through RDTSC time measurements 19->55 25 cmd.exe 1 19->25         started        31 www.hearingaidtcpasetlement.com 199.59.243.220, 49762, 80 BODIS-NJUS United States 22->31 33 www.pepeboy.com 22->33 57 System process connects to network (likely due to code injection or exploit) 22->57 signatures11 process12 process13 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-26 03:57:26 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sh30 rat spyware stealer suricata 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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
8ba35a49397c856e5056f503e9b6e04bea6b931b058ff0a31a52f7c3fa4b8626
MD5 hash:
fc53009d506e45e613af3def042c9d54
SHA1 hash:
b4082a4d3a8fc8fa5b085d629eaf68a520f0e536
SH256 hash:
7e675bed2dcde312da5e4304573eebda886e61e542f5b40840bd37d5e90cafe5
MD5 hash:
c782d22861b4c7ddea6d971af5869db4
SHA1 hash:
402e372bf27071f6e16c00db56a46e04a9f03742
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: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.

  
Delivery method
Other

Comments