MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 487d5cc1fe3bdf52fc4f8aa6207e6e63af056428fb80cbdd33fc6e0a6042712f. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 487d5cc1fe3bdf52fc4f8aa6207e6e63af056428fb80cbdd33fc6e0a6042712f
SHA3-384 hash: a3ff71f1255cd48b27b3626789938b0dfbc2ccd2b82e59784a66200f6f3529bbc10c51284b48f59d43c5b67ab7392ad9
SHA1 hash: 070789221e94fd87273310dd728b56495ce3599e
MD5 hash: 8c35dbaead96bc83c7fcd3d5f6beeb0c
humanhash: timing-social-minnesota-sweet
File name:file
Download: download sample
Signature Formbook
File size:749'568 bytes
First seen:2022-11-09 21:41:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:+90NIXPod2iNQ39oo3F5/W+CZcnpgohiUGSw7EiS0TbDYvN9vZjwWnN7H1xz+6:+Sd163io3F93mcnSxgwNh3svd/nRbzP
TLSH T11BF4125D52E08AACD87E4BBAF54114345338A887E21FD3AF4DC966E76D433F48A086C7
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 jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-09 21:49:15 UTC
Tags:
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
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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 system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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
Sigma detected: Scheduled temp file as task from temp location
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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: 742517 Sample: file.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 49 www.easy005.xyz 2->49 57 Multi AV Scanner detection for domain / URL 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 8 other signatures 2->63 9 file.exe 7 2->9         started        13 BkjmGZfUUuVY.exe 5 2->13         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\BkjmGZfUUuVY.exe, PE32 9->41 dropped 43 C:\Users\...\BkjmGZfUUuVY.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\Local\...\tmpBE0E.tmp, XML 9->45 dropped 47 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->47 dropped 73 Uses schtasks.exe or at.exe to add and modify task schedules 9->73 75 Adds a directory exclusion to Windows Defender 9->75 15 file.exe 9->15         started        18 powershell.exe 21 9->18         started        20 schtasks.exe 1 9->20         started        77 Multi AV Scanner detection for dropped file 13->77 79 Machine Learning detection for dropped file 13->79 22 BkjmGZfUUuVY.exe 13->22         started        24 schtasks.exe 1 13->24         started        signatures6 process7 signatures8 85 Modifies the context of a thread in another process (thread injection) 15->85 87 Maps a DLL or memory area into another process 15->87 89 Sample uses process hollowing technique 15->89 91 Queues an APC in another process (thread injection) 15->91 26 explorer.exe 15->26 injected 30 colorcpl.exe 15->30         started        32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 24->36         started        process9 dnsIp10 51 hf9blwwuwpx7j8k.live 216.18.208.202, 49700, 80 WEBNXUS United States 26->51 53 natroredirect.natrocdn.com 85.159.66.93, 49701, 49702, 80 CIZGITR Turkey 26->53 55 3 other IPs or domains 26->55 81 System process connects to network (likely due to code injection or exploit) 26->81 83 Performs DNS queries to domains with low reputation 26->83 38 wlanext.exe 13 26->38         started        signatures11 process12 signatures13 65 Tries to steal Mail credentials (via file / registry access) 38->65 67 Tries to harvest and steal browser information (history, passwords, etc) 38->67 69 Modifies the context of a thread in another process (thread injection) 38->69 71 Maps a DLL or memory area into another process 38->71
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-11-09 11:22:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:pgnt loader rat spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1dd741e15b6b62895a5a00735ec7f4bdc86a3285f087048a39df8a7fa33a74af
MD5 hash:
8f8b738d3a54b913894665bc2eb9989c
SHA1 hash:
85ad9f68794c4c560e540bf0325eea53a9903f97
SH256 hash:
9672821a94b78ceba66b305c8980d85e9739c4f8ad0823b6a5a1f89cb7504bbb
MD5 hash:
35f9b669ca141576b1e8c3faeecf8b58
SHA1 hash:
f0f1eda0c8ec2cd855feee24f0cec4fdd50c4f09
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
e6249d673a0a8da4040d5131049aa24299c13ee4ad838bb5474032e23ef6ddcf
MD5 hash:
11b82d4ea55d1007f57c0d731f7cbf25
SHA1 hash:
1f1bf8b36d9068f4827b679e0ff7a91a117ab551
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
487d5cc1fe3bdf52fc4f8aa6207e6e63af056428fb80cbdd33fc6e0a6042712f
MD5 hash:
8c35dbaead96bc83c7fcd3d5f6beeb0c
SHA1 hash:
070789221e94fd87273310dd728b56495ce3599e
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 487d5cc1fe3bdf52fc4f8aa6207e6e63af056428fb80cbdd33fc6e0a6042712f

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download

Comments