MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36ac663aee997b4b8da3bd498abcbdb91ca180f7afe402ce8ab166099c098cbf. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments

SHA256 hash: 36ac663aee997b4b8da3bd498abcbdb91ca180f7afe402ce8ab166099c098cbf
SHA3-384 hash: 9489c3a4fe16d9b5678a29eacd80a080bbceabf02660ef9ed993ae24b21b209502ae268c19fd849da58af800e791bb3a
SHA1 hash: 1ace59620fa5e6b7717a04ad28620e6a61191c80
MD5 hash: df300e93be84410e629996a8050e47b2
humanhash: maine-uranus-fourteen-west
File name:swift mt 1033.exe
Download: download sample
Signature Formbook
File size:761'344 bytes
First seen:2024-12-19 07:19:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:w38f2uE1zDf5n7Dm1C8T7bl9JrUKrlR+v+Yyf39fiQyHWsUuAPM5Uf8f2:w3u2uO3B4Ck59ReyfN5kWtuAa4u2
TLSH T106F4BEC03B3AB712DE7CA934D436DDB861652E687000B9E7AEDD2B4776D9202AD1CF50
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 84b2a8a0e2dab28c (7 x Formbook, 2 x AgentTesla, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
401
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
swift mt 1033.exe
Verdict:
Malicious activity
Analysis date:
2024-12-19 07:21:17 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
remcos shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1578066 Sample: swift mt 1033.exe Startdate: 19/12/2024 Architecture: WINDOWS Score: 100 33 www.tpanekatotosite.top 2->33 35 www.leaning-services-47614.bond 2->35 37 3 other IPs or domains 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 12 other signatures 2->45 11 swift mt 1033.exe 4 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\swift mt 1033.exe.log, ASCII 11->31 dropped 55 Adds a directory exclusion to Windows Defender 11->55 57 Injects a PE file into a foreign processes 11->57 15 swift mt 1033.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 67 2 other signatures 15->67 20 explorer.exe 38 1 15->20 injected 65 Loading BitLocker PowerShell Module 18->65 22 conhost.exe 18->22         started        process9 process10 24 help.exe 20->24         started        signatures11 47 Modifies the context of a thread in another process (thread injection) 24->47 49 Maps a DLL or memory area into another process 24->49 51 Tries to detect virtualization through RDTSC time measurements 24->51 53 Switches to a custom stack to bypass stack traces 24->53 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2024-12-18 09:48:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unknown_loader_037 formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:k49s discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
82ed6b10536db1344d0fbef527bc11f3fcc37fb462e3f1e12a9114ded2ca8e28
MD5 hash:
352d0984534e2f12e9e27a0a13dc2f50
SHA1 hash:
d3e81bc9b117588ce1ea10227c93e1034b117975
SH256 hash:
366cfb2015078d80637bad5e41ba879903fafc17fe6d24d74210fbbfeaa07bd6
MD5 hash:
6c6509adcd386e5aa612f7a9c3d8a04b
SHA1 hash:
d36a9e2f20a88d035da9f976ba551358cbb3f913
SH256 hash:
0acd2a88e9c5c948e4e22ee16b79a348622f5af93c0e68a77ef77f5e17e7bbf7
MD5 hash:
307899ffcb9c72ffb3b54e85857470cd
SHA1 hash:
cb21a8a46d568a257ae56231755d05d2cb46ad5a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
36ac663aee997b4b8da3bd498abcbdb91ca180f7afe402ce8ab166099c098cbf
MD5 hash:
df300e93be84410e629996a8050e47b2
SHA1 hash:
1ace59620fa5e6b7717a04ad28620e6a61191c80
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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