MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df636c98d02fd506a57eec3a4717b4c36ed3aeba0af0ec10ff7b3471bacfbdcd. 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 3 File information Comments

SHA256 hash: df636c98d02fd506a57eec3a4717b4c36ed3aeba0af0ec10ff7b3471bacfbdcd
SHA3-384 hash: c53ac014f037fab024b711752a7e29c230388d16793a5d1365cbdd25b84b6989525b32baa3ccfdf1a64c3c14e27a595e
SHA1 hash: 6013259c2cbba0d53af0dbcd8a6c7b1f1fad1842
MD5 hash: 64414fd93426228902413428c7c2d5da
humanhash: indigo-colorado-pip-shade
File name:SecuriteInfo.com.Win32.RATX-gen.3052.26542
Download: download sample
Signature Formbook
File size:838'144 bytes
First seen:2022-10-24 17:11:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kiS6MrDXy6BZGMRnC7SAAkA1gg+12anNNmn3Iym1qW3+8dZh/dNmV8JiXwXWtdlK:NAXysGzmn3Iyavtd0Xt1Tw
Threatray 15'158 similar samples on MalwareBazaar
TLSH T1FA05CF0ABFE7CF81C3890773C4E69A002BF595C69222F75B2590B7F52C2336189579E2
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.3052.26542
Verdict:
Malicious activity
Analysis date:
2022-10-24 17:13:12 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
Creating a window
Launching a process
Creating a process with a hidden window
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)
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in 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)
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
Sigma detected: Scheduled temp file as task from temp location
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 signatures2 2 Behavior Graph ID: 729415 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 7 other signatures 2->66 10 blNzzbJrYgJ.exe 5 2->10         started        13 SecuriteInfo.com.Win32.RATX-gen.3052.26542.exe 7 2->13         started        process3 file4 70 Multi AV Scanner detection for dropped file 10->70 72 Machine Learning detection for dropped file 10->72 74 Tries to detect virtualization through RDTSC time measurements 10->74 76 Injects a PE file into a foreign processes 10->76 16 blNzzbJrYgJ.exe 10->16         started        19 schtasks.exe 1 10->19         started        44 C:\Users\user\AppData\...\blNzzbJrYgJ.exe, PE32 13->44 dropped 46 C:\Users\...\blNzzbJrYgJ.exe:Zone.Identifier, ASCII 13->46 dropped 48 C:\Users\user\AppData\Local\...\tmpB8B9.tmp, XML 13->48 dropped 50 SecuriteInfo.com.W....3052.26542.exe.log, ASCII 13->50 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 13->78 80 Adds a directory exclusion to Windows Defender 13->80 21 powershell.exe 19 13->21         started        23 schtasks.exe 1 13->23         started        25 SecuriteInfo.com.Win32.RATX-gen.3052.26542.exe 13->25         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 16->52 54 Maps a DLL or memory area into another process 16->54 56 Sample uses process hollowing technique 16->56 58 Queues an APC in another process (thread injection) 16->58 27 explorer.exe 16->27 injected 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        process8 process9 35 help.exe 27->35         started        38 autofmt.exe 27->38         started        signatures10 68 Tries to detect virtualization through RDTSC time measurements 35->68 40 cmd.exe 1 35->40         started        process11 process12 42 conhost.exe 40->42         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-24 16:53:55 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:c0e5 rat spyware stealer trojan
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
Formbook payload
Formbook
Unpacked files
SH256 hash:
7faaafa045600ad62dc90bf3f20c30c71d3e47bb8b4396fa20bb4635fd0c8614
MD5 hash:
c3c1b5ad4afaa6455c9260e86a1bb171
SHA1 hash:
f24371e02a22a55641afcbf39e5dcf3a122a44db
SH256 hash:
c5b5f7062ab398035ce9c47a17e848acca2196961ced639c144ec97654ce1471
MD5 hash:
d2e8a3a643ce1c029b8349d393cfbd7a
SHA1 hash:
d29ed3523c1918f3d507009811e34ad5a76c9d42
SH256 hash:
3ba16a92b2b40d38c6e5e30f882a4c60b3838611868d990b7d986eb4018c17cb
MD5 hash:
16d6f358cc62b12dc869da8a59b03eda
SHA1 hash:
5eaf3662fbd4193086df2ba7233e9652542be8a3
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
4fb514660c7179be164c6981ec9137515149737c033222491639a22ed5c96756
MD5 hash:
b02426ab711a2ed868a0a4ba90d4958b
SHA1 hash:
18fff9a49f50fb7da74238784a39141f5731fb78
SH256 hash:
df636c98d02fd506a57eec3a4717b4c36ed3aeba0af0ec10ff7b3471bacfbdcd
MD5 hash:
64414fd93426228902413428c7c2d5da
SHA1 hash:
6013259c2cbba0d53af0dbcd8a6c7b1f1fad1842
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:meth_get_eip
Author:Willi Ballenthin
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.

Comments