MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a1312bebcd4b05675432543b45c299f823910f8eb839047537ffc2ec650171a. 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 12 File information Comments

SHA256 hash: 3a1312bebcd4b05675432543b45c299f823910f8eb839047537ffc2ec650171a
SHA3-384 hash: c15e789b459871fe8485c7b726232765f114d99ca8c75cbbb75c1e5495e15734f0d40bb0cf75cb5e944f937fddd16a49
SHA1 hash: bac19e6f73d20e4c41f593941a1dd3383c0a88f3
MD5 hash: c89d225170bdd6e39192acab2bdf1b59
humanhash: asparagus-autumn-vermont-ink
File name:DRAWING SINCO-AUTOMATION-6994745-PURCHASE-ORDER-SINCO-AUTOMATION-PO-322357781-Ref-6421SINCO-AUTOMATION4533DWG.exe
Download: download sample
Signature Formbook
File size:1'183'744 bytes
First seen:2025-03-11 07:48:04 UTC
Last seen:2025-03-11 15:14:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:mCdxte/80jYLT3U1jfsWatJ3RXw3kTdWv1P4Q:Pw80cTsjkWatJ3K3Dz
TLSH T13845CF2273DDC370CB669173BF69B7016EBF38614630B95B2F880D7DA950162162DBA3
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
412
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
208fabdc-73a6-4188-8663-f2f5915465c9
Verdict:
No threats detected
Analysis date:
2025-03-11 08:14:47 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script evasive fingerprint keylogger masquerade microsoft_visual_cc obfuscated packed packed packer_detected
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
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 submitted file
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1634984 Sample: N4533DWG.exe Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 47 www.michaelaowen.xyz 2->47 49 96421.BODIS.COM 2->49 51 7 other IPs or domains 2->51 57 Suricata IDS alerts for network traffic 2->57 59 Antivirus detection for URL or domain 2->59 61 Multi AV Scanner detection for submitted file 2->61 65 3 other signatures 2->65 10 N4533DWG.exe 2 2->10         started        13 explorer.exe 2->13         started        15 explorer.exe 2 133 2->15         started        18 2 other processes 2->18 signatures3 63 Performs DNS queries to domains with low reputation 47->63 process4 dnsIp5 69 Binary is likely a compiled AutoIt script file 10->69 71 Writes to foreign memory regions 10->71 73 Maps a DLL or memory area into another process 10->73 75 Switches to a custom stack to bypass stack traces 10->75 20 svchost.exe 10->20         started        77 System process connects to network (likely due to code injection or exploit) 13->77 79 Query firmware table information (likely to detect VMs) 13->79 53 a-0003.a-msedge.net 204.79.197.203, 443, 49712, 49713 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 15->53 23 WerFault.exe 15->23         started        25 WerFault.exe 18->25         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 20->67 27 ICpHO9L5D6CxaaNC.exe 20->27 injected process9 signatures10 81 Found direct / indirect Syscall (likely to bypass EDR) 27->81 30 where.exe 13 27->30         started        process11 signatures12 83 Tries to steal Mail credentials (via file / registry access) 30->83 85 Tries to harvest and steal browser information (history, passwords, etc) 30->85 87 Modifies the context of a thread in another process (thread injection) 30->87 89 3 other signatures 30->89 33 ICpHO9L5D6CxaaNC.exe 30->33 injected 37 explorer.exe 5 4 30->37         started        39 firefox.exe 30->39         started        process13 dnsIp14 41 96421.BODIS.COM 199.59.243.228, 49703, 49704, 49706 BODIS-NJUS United States 33->41 43 www.livream.live 203.161.42.73, 49708, 49709, 49710 VNPT-AS-VNVNPTCorpVN Malaysia 33->43 45 2 other IPs or domains 33->45 55 Found direct / indirect Syscall (likely to bypass EDR) 33->55 signatures15
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-03-11 05:27:10 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_036
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Unpacked files
SH256 hash:
3a1312bebcd4b05675432543b45c299f823910f8eb839047537ffc2ec650171a
MD5 hash:
c89d225170bdd6e39192acab2bdf1b59
SHA1 hash:
bac19e6f73d20e4c41f593941a1dd3383c0a88f3
SH256 hash:
4ca36f85422a37a909d3bb75120810e70fca0a7e30b9676455123b3712376a7b
MD5 hash:
7bedbb067241bc1c80cacd83c2c271be
SHA1 hash:
01e1d78da1a1ea6b221ce12346a7ab94da770ae3
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:AutoIT_Compiled
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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.

Malspam

Formbook

Executable exe 3a1312bebcd4b05675432543b45c299f823910f8eb839047537ffc2ec650171a

(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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
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::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
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::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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_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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