MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e423af6933fc3a0ea48495c544378ced38053a65b5d386648e4e083d1b90198. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 2e423af6933fc3a0ea48495c544378ced38053a65b5d386648e4e083d1b90198
SHA3-384 hash: 32aba45b6d238e8cff6e84a588e9c9616b32aeeaad97737b9d08f17da489e1b1739a3db83565ce08c8ae0581cb9ae1b8
SHA1 hash: 20d69d1dc46191b90829468dcbf1fb5f97687d0c
MD5 hash: 9fe061e76ac64a95a4b29a8cf483f623
humanhash: kansas-black-zebra-emma
File name:FATURA DE PAGAMENTO.exe
Download: download sample
Signature Formbook
File size:839'168 bytes
First seen:2023-04-03 06:02:45 UTC
Last seen:2023-04-03 06:34:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:BsPBYzimXH2oPa/JIGmU/xTn8toPhIcvTfbU7nSH6:AmPa/6U/xCoPh3TT4nSH6
Threatray 2'631 similar samples on MalwareBazaar
TLSH T1D205D0AC3690B5DEC417C9368994DCB4AB20ACA69717C21395C72E9FBB4D5CB8F110F2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
253
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FATURA DE PAGAMENTO.exe
Verdict:
Malicious activity
Analysis date:
2023-04-03 06:06:48 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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
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
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
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 virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 839735 Sample: FATURA_DE_PAGAMENTO.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 3 other signatures 2->70 10 FATURA_DE_PAGAMENTO.exe 7 2->10         started        14 pzYmekuOqPYfZ.exe 5 2->14         started        process3 file4 48 C:\Users\user\AppData\...\pzYmekuOqPYfZ.exe, PE32 10->48 dropped 50 C:\...\pzYmekuOqPYfZ.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\...\tmpA4A5.tmp, XML 10->52 dropped 54 C:\Users\user\...\FATURA_DE_PAGAMENTO.exe.log, ASCII 10->54 dropped 74 Detected unpacking (changes PE section rights) 10->74 76 Detected unpacking (overwrites its own PE header) 10->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 10->78 84 4 other signatures 10->84 16 RegSvcs.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        80 Multi AV Scanner detection for dropped file 14->80 82 Machine Learning detection for dropped file 14->82 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        27 RegSvcs.exe 14->27         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 16->56 58 Maps a DLL or memory area into another process 16->58 60 Sample uses process hollowing technique 16->60 62 2 other signatures 16->62 29 explorer.exe 3 1 16->29 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 process9 37 control.exe 29->37         started        40 chkdsk.exe 29->40         started        42 autofmt.exe 29->42         started        signatures10 72 Tries to detect virtualization through RDTSC time measurements 37->72 44 cmd.exe 1 37->44         started        process11 process12 46 conhost.exe 44->46         started       
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-03-31 14:00:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:de12 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
5062f99a5460cbd448d7f9c35d5c05aafa3ce36357be73268367d779dd92396e
MD5 hash:
c499b0e057f46db9f5ad9f0e9181830e
SHA1 hash:
fda2b448e6c7a411e1baed2a8bca7050b9b769ef
SH256 hash:
89ccaf50cbc07a59793c192b8c0d8500edf04da618d25e4626cbb7a4b3ce95d4
MD5 hash:
2d0f9ba6f0ddd7dbc6416a2f321a763a
SHA1 hash:
e47353072060a31fe0cd62f193573cbbd0a7029c
SH256 hash:
791557bc8f7b484020cf2802fe2753a2c0303210af1500f98713900f865a88c2
MD5 hash:
e226a7e74de5842d49a587610ea8eae8
SHA1 hash:
cc205e006d01ab7b7baeca6553c663479d1654c2
SH256 hash:
249cdbbe20df1b9bbf0f4286c34d53b4bb7e9bd9437482657b7d2b920ed019f3
MD5 hash:
9f518d7b6cd038ad159df522ed8a682a
SHA1 hash:
3e4b69677dc2456c8e5ebc7cd594abdb067621c3
SH256 hash:
2e423af6933fc3a0ea48495c544378ced38053a65b5d386648e4e083d1b90198
MD5 hash:
9fe061e76ac64a95a4b29a8cf483f623
SHA1 hash:
20d69d1dc46191b90829468dcbf1fb5f97687d0c
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
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information


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

Malspam

Formbook

Executable exe 2e423af6933fc3a0ea48495c544378ced38053a65b5d386648e4e083d1b90198

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments