MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
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SHA256 hash: 4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05
SHA3-384 hash: 0a732b3330c48c683897aad5ad3bf081f37ccffb7206e88e25faa86c7c92b19c1393da976a00cff7bff82bf56207cb83
SHA1 hash: 88bab208d562366b49541c4fc3aef4c5fcfacfda
MD5 hash: 6d47f56575ff95f02444e4bbe4f7adf4
humanhash: spring-cola-ceiling-nine
File name:FYI.PDF
Download: download sample
Signature Formbook
Create hunting rule
File size:1'363'091 bytes
First seen:2024-09-22 15:12:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:uRmJkcoQricOIQxiZY1iaCZDLe21WzBdQlkgmq7Ko8ss:7JZoQrbTFZY1iaCRe2YbQlkgso81
Threatray 815 similar samples on MalwareBazaar
TLSH T1B855E122F5D5903AC2B323B19E7FF76A963D79360336D29723C82E315E605416B29723
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)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook pdf

Intelligence

File Origin
# of uploads :
1
# of downloads :
415
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FYI.PDF
Verdict:
No threats detected
Analysis date:
2024-09-22 15:13:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/58fae95b-5c5c-4b41-b7ac-bb2148852e2e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Script.SNH-gen.7852.20935.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f034005346c7b922acee4e
Tags:
Encryption Autoit Emotet Autoit Script
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc monero overlay packed shell32
Link:
https://www.filescan.io/uploads/66f034024a48170ff00cf84d/reports/8bef6310-aec6-4d95-b57a-361520550707/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/18895bb2-9ae4-41ce-9e4d-c8c9cf5a94ec
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1515396
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1515396 Sample: FYI.PDF.exe Startdate: 22/09/2024 Architecture: WINDOWS Score: 100 28 www.healtpro.top 2->28 30 www.chalet-tofane.net 2->30 32 2 other IPs or domains 2->32 40 Multi AV Scanner detection for domain / URL 2->40 42 Suricata IDS alerts for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 9 other signatures 2->46 10 FYI.PDF.exe 1 2->10         started        signatures3 process4 signatures5 58 Writes to foreign memory regions 10->58 60 Maps a DLL or memory area into another process 10->60 62 Switches to a custom stack to bypass stack traces 10->62 13 svchost.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 itvsdOZLDMIaZ.exe 13->16 injected process8 signatures9 38 Found direct / indirect Syscall (likely to bypass EDR) 16->38 19 NETSTAT.EXE 13 16->19         started        process10 signatures11 48 Tries to steal Mail credentials (via file / registry access) 19->48 50 Tries to harvest and steal browser information (history, passwords, etc) 19->50 52 Modifies the context of a thread in another process (thread injection) 19->52 54 3 other signatures 19->54 22 itvsdOZLDMIaZ.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.healtpro.top 203.161.43.245, 58509, 58510, 80 VNPT-AS-VNVNPTCorpVN Malaysia 22->34 36 chalet-tofane.net 62.149.128.40, 58508, 80 ARUBA-ASNIT Italy 22->36 56 Found direct / indirect Syscall (likely to bypass EDR) 22->56 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-09-21 13:31:31 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=im4mtijdx4avz5a3cfkgzxqkhib3zp7ofjpoowpz47lfopnctycq._file
Verdict:
malicious
Label(s):
admintool_powerrun
Create hunting rule
Similar samples:
11d9c56cf62a70c2fa83766662485e8ce2c02a692db8e5274e49dbd17bfc2e65
Formbook
3333f033f3cc296e233ad4b64e5116994e5fe2595956999052daba5f70fb58a6
Formbook
89b1ea20621f800e5d831135d317cacc37600d317b17f1e49683b2a02806d218
Formbook
9ddb1517c8f989f56454c6a8ebc28ed1431d4751cb44164aada2885a65af45b0
Formbook
a98e68306b4b23a5c12b4b034424195cbaaa8dc72959c28cbc26178659032070
Formbook
f0ecdc825d77eb812fc3eb89df18fc430e75b6f03c25bece0d43ab4ed49f76db
Formbook
+ 805 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240922-slqqhswbme/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d3e18428-35c3-470f-a5ec-f1cfb13b476b
Unpacked files
SH256 hash:
7ca3530f6a0cc286170621b6f8a71f037331594ad3121e5074bbc0128065b1c2
MD5 hash:
730cac4ee4fbe62a5facdb21b7991b89
SHA1 hash:
f203e32000c193fc550120fbfc14a69f0a481c66
Link:
https://www.unpac.me/results/8d2f154c-16d4-4761-ad29-dfdb1c5cb097/
SH256 hash:
4445570870e8aac02e9f62c8dcb1f085db2b08c48a74c3a9f4e859baa9e09880
MD5 hash:
d263f8b6a77f635f7780f047af3f6f78
SHA1 hash:
df37d9bd691f00736f0291ed51acb99c5edfbf66
Link:
https://www.unpac.me/results/8d2f154c-16d4-4761-ad29-dfdb1c5cb097/
SH256 hash:
4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05
MD5 hash:
6d47f56575ff95f02444e4bbe4f7adf4
SHA1 hash:
88bab208d562366b49541c4fc3aef4c5fcfacfda
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/8d2f154c-16d4-4761-ad29-dfdb1c5cb097/
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/4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05

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:AutoIt
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Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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