MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2385821f2732aafbdf3ddde31c314ddfaad694ad9261e4b40961b61a1a78cf64. 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 2 File information Comments

SHA256 hash: 2385821f2732aafbdf3ddde31c314ddfaad694ad9261e4b40961b61a1a78cf64
SHA3-384 hash: 98b0d3b37dfdb6a516a832b6478a393bbc00281bae3fb489c0fc7cd8c3598d427a452b2d698f8c406980fdbe025e4e21
SHA1 hash: c236a8324cc19b40d8149f3939385a7f8339023b
MD5 hash: e5ca4e9b98bb8bea3c98327827243f94
humanhash: magazine-india-undress-august
File name:Vjw.exe
Download: download sample
Signature Formbook
File size:582'656 bytes
First seen:2022-04-06 13:55:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LSnNHDD2+WHfsWKb5fkusS+SCDUSqGXmJuA6hzVxBV9E90Jsok+4:aNvn+DR/WLgpE90Sop4
Threatray 15'304 similar samples on MalwareBazaar
TLSH T10CC49C72F3F86F0BD2BD4171442950597AF2E9133634C99EBD9A21DA8DE2F014720B9B
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Result
Verdict:
UNKNOWN
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
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 604024 Sample: Vjw.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 31 www.mec-calcados.online 2->31 33 www.bp-marketing.com 2->33 35 bp-marketing.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 Vjw.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\Vjw.exe.log, ASCII 11->29 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 Vjw.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.sunshineprochoice.com 172.67.143.188, 49779, 80 CLOUDFLARENETUS United States 18->37 39 www.screenpaneldreammail.rest 18->39 41 5 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Uses netsh to modify the Windows network and firewall settings 18->53 22 netsh.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-06 13:54:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:agsj loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
3832bdab82adf5a047abb63de9dbfa3abd3998401866fdebf1908d0ccf86fdc6
MD5 hash:
3d158f6346e64d6c6c41ca4d63fcafe0
SHA1 hash:
d1c6659d5d4d6fcc8c7cffca9219fb516019a458
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
21058ea78d730254a4d507219953c4dd53caf17918d78a7db39f6984d33544a9
MD5 hash:
1baa6ac7b6efc37b6d20de816b3b4c3a
SHA1 hash:
d1b3c47023647200735c1ac0530577526c7c732a
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
2385821f2732aafbdf3ddde31c314ddfaad694ad9261e4b40961b61a1a78cf64
MD5 hash:
e5ca4e9b98bb8bea3c98327827243f94
SHA1 hash:
c236a8324cc19b40d8149f3939385a7f8339023b
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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