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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800
SHA3-384 hash: 9fadb75dda02d7159f4c99dee76be0b7d8350c49fd4ca068fdd2a1d4e0149f026e29ee557adad71bc1b31c5a356be7bf
SHA1 hash: f135fbe2f86f8fdc1823df00bb566b3ccd1c89fa
MD5 hash: b3d9709ffa25c3e6251701cf7888fd6f
humanhash: speaker-pip-east-july
File name:Transferencia 4334300002017359pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:640'032 bytes
First seen:2024-03-06 11:02:25 UTC
Last seen:2024-03-11 13:35:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e221f4f7d36469d53810a4b5f9fc8966 (118 x GuLoader, 28 x RemcosRAT, 21 x Formbook)
ssdeep 12288:1lR/O5ngMXT7UDcN2R+e8gY193PuMhwelKq5ANbCY+84K:lKga7VEhB6RPujeXANmA4K
Threatray 4 similar samples on MalwareBazaar
TLSH T198D42214B7EAD56BE4934BB201F23FF8B3B6A60158564A0307341EAFBA0AB45571E50F
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook signed

Code Signing Certificate

Organisation:Sprjtelakerede
Issuer:Sprjtelakerede
Algorithm:sha256WithRSAEncryption
Valid from:2023-04-13T05:55:58Z
Valid to:2026-04-12T05:55:58Z
Serial number: 4b07f593f7119314cec4373abc0ca03b73884fc7
Thumbprint Algorithm:SHA256
Thumbprint: 0273847ae01673ff5fc21b38cf00661156ec942be974ec49bb377cbf09162044
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
313
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800.exe
Verdict:
Malicious activity
Analysis date:
2024-03-06 11:08:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8bf0f0b2-a3e0-4b45-af89-2d6a515b96b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.30771.24750.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Launching a process
Changing a file
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65e84d67114473d2986bc16c/reports/57575b30-7e04-4c26-a5bc-3a99322b9232/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/70f7462b-c214-4693-9d19-bdd80ad84c00
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403952
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403952 Sample: Transferencia 4334300002017... Startdate: 06/03/2024 Architecture: WINDOWS Score: 100 45 www.australmediagames.com 2->45 47 www.limooi.net 2->47 49 3 other IPs or domains 2->49 63 Multi AV Scanner detection for domain / URL 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for URL or domain 2->67 69 5 other signatures 2->69 11 Transferencia 4334300002017359pdf.exe 33 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\Oneirocritic.Hes, ASCII 11->37 dropped 77 Suspicious powershell command line found 11->77 15 powershell.exe 20 11->15         started        signatures6 process7 file8 39 C:\Users\user\AppData\Local\...\Plastisk.exe, PE32 15->39 dropped 55 Obfuscated command line found 15->55 57 Writes to foreign memory regions 15->57 59 Sample uses process hollowing technique 15->59 61 Powershell drops PE file 15->61 19 Plastisk.exe 6 15->19         started        23 conhost.exe 15->23         started        25 cmd.exe 1 15->25         started        signatures9 process10 dnsIp11 51 drive.google.com 142.250.141.102, 443, 49710 GOOGLEUS United States 19->51 53 drive.usercontent.google.com 142.251.2.132, 443, 49711 GOOGLEUS United States 19->53 71 Antivirus detection for dropped file 19->71 73 Multi AV Scanner detection for dropped file 19->73 75 Maps a DLL or memory area into another process 19->75 27 kHyazxcqhlIfyVpGphBupGfYLvNO.exe 19->27 injected signatures12 process13 process14 29 TCPSVCS.EXE 13 27->29         started        signatures15 79 Tries to steal Mail credentials (via file / registry access) 29->79 81 Tries to harvest and steal browser information (history, passwords, etc) 29->81 83 Writes to foreign memory regions 29->83 85 3 other signatures 29->85 32 kHyazxcqhlIfyVpGphBupGfYLvNO.exe 29->32 injected 35 firefox.exe 29->35         started        process16 dnsIp17 41 australmediagames.com 81.88.48.71, 49712, 80 REGISTER-ASIT Italy 32->41 43 www.limooi.net 199.59.243.225, 49713, 49714, 49715 BODIS-NJUS United States 32->43
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800/
Threat name:
Win32.Trojan.InjectorX
Create hunting rule
Status:
Malicious
First seen:
2024-03-05 09:47:03 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ihuhvzn746x6a3bjxsic3qwtvgyv36cpborlytkbbv4nfnptaaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
69ba83fdc3bdef1eeb01835286651ef246968efd1d34c318afa0d3b6f8387923
Formbook
7a106b85d3351d21cefc1459fd220784db904e88033f371353d9b46cb7ed2b43
Formbook
9089cb4cd97e7d6d4166765d90145be9cd333be752b9d80629da87f3843c3b2d
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/240306-m5n35sae95/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Unpacked files
SH256 hash:
da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800
MD5 hash:
b3d9709ffa25c3e6251701cf7888fd6f
SHA1 hash:
f135fbe2f86f8fdc1823df00bb566b3ccd1c89fa
Link:
https://www.unpac.me/results/3afb5096-05b7-4167-acb0-122cd6873e15/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da0f43d72dff/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

Formbook

Executable exe da0f43d72dff3d7f03614de4816e169d4d8aefc2785d15e26a086bc695af9800

(this sample)

  
Delivery method
Distributed via e-mail attachment

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments