MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe830bb897373330395a82f70ff277acfa996e18dbbd5c74ebc9496e00e3c363. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: fe830bb897373330395a82f70ff277acfa996e18dbbd5c74ebc9496e00e3c363
SHA3-384 hash: dd867e9812a49c1c8afb3d1779aedb486972ea31aea632919a765b23eaa678e509d9b3ae1a63669322d115b46da7e858
SHA1 hash: eb7ce964ae004ef3eb3c8bf50f423341b88b466e
MD5 hash: 3445422a39889348ab630c8b5b911f5a
humanhash: july-december-hawaii-fish
File name:3445422a39889348ab630c8b5b911f5a
Download: download sample
Signature Formbook
File size:606'208 bytes
First seen:2022-05-19 14:37:11 UTC
Last seen:2022-05-19 17:40:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:o/L3Qp4aTR9D4It1VP6+ywFjv7FCCa9G8qGsQj:U0pLT7JrVyh4jvoeB
TLSH T124D4125473ED178BF4A289766EB19508CB33FD71AC31D3A528A5344F55B0B12CBA2B23
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3445422a39889348ab630c8b5b911f5a
Verdict:
Malicious activity
Analysis date:
2022-05-19 23:30:32 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed 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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 630269 Sample: 24vytwBGfd Startdate: 19/05/2022 Architecture: WINDOWS Score: 100 39 www.babyminer.xyz 2->39 41 www.wildcanetours.com 2->41 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 11 other signatures 2->55 9 24vytwBGfd.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\zUyVGiYuq.exe, PE32 9->31 dropped 33 C:\Users\...\zUyVGiYuq.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmpD879.tmp, XML 9->35 dropped 37 C:\Users\user\AppData\...\24vytwBGfd.exe.log, ASCII 9->37 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 9->59 61 Adds a directory exclusion to Windows Defender 9->61 63 Tries to detect virtualization through RDTSC time measurements 9->63 65 Injects a PE file into a foreign processes 9->65 13 24vytwBGfd.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 13->73 75 Maps a DLL or memory area into another process 13->75 77 Sample uses process hollowing technique 13->77 79 Queues an APC in another process (thread injection) 13->79 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 43 www.funaoka-watanabedent.com 118.27.125.190, 49777, 80 INTERQGMOInternetIncJP Japan 20->43 45 www.joseikinmadoguchi.com 150.95.254.16, 49771, 80 INTERQGMOInternetIncJP Japan 20->45 47 www.wave-thermodynamics.com 150.95.255.38, 49770, 80 INTERQGMOInternetIncJP Japan 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 28 cmd.exe 20->28         started        signatures11 process12 signatures13 67 Modifies the context of a thread in another process (thread injection) 28->67 69 Maps a DLL or memory area into another process 28->69 71 Tries to detect virtualization through RDTSC time measurements 28->71
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-19 14:38:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n6g4 loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
7dcfa4e43f5310d5de9bc18ea530ef73575b84489f3f7701d1c7166ff1dfe2fc
MD5 hash:
92e431b51c5f5318943872a15c4c49fa
SHA1 hash:
1b4613474714a24ed4f8ea09309cfbfecec60636
SH256 hash:
09602efe05dc6b9738b23b91708978231d20c08329940541a086561795a6c9fd
MD5 hash:
1521132bd568891debf24b4973aaa24e
SHA1 hash:
393fafe43a177d02d2a8be164101fc2add2748dc
SH256 hash:
0e7382b52237124e1f47eb66f9ca1f86a39b7ff66e763bdada567ec3e0e8f2b1
MD5 hash:
61ff93e697344753288be7da3916f60a
SHA1 hash:
c438658be9ae3e9ec740076625ecffa47afcb00f
SH256 hash:
fe830bb897373330395a82f70ff277acfa996e18dbbd5c74ebc9496e00e3c363
MD5 hash:
3445422a39889348ab630c8b5b911f5a
SHA1 hash:
eb7ce964ae004ef3eb3c8bf50f423341b88b466e
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.

Web download

Formbook

Executable exe fe830bb897373330395a82f70ff277acfa996e18dbbd5c74ebc9496e00e3c363

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-05-19 14:37:16 UTC

url : hxxp://192.210.240.45/500/vbc.exe