MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210
SHA3-384 hash: c182e0c2c32a98e4c78f6eced93d21cd834a4af64bfcf4b6ab2319af6f5cb2d00022d9751a35ff0764de16e5f9d0fffd
SHA1 hash: 527bc2c21ae57d01a23bfd375a79ee753cec33ca
MD5 hash: 8a04cba6c21c1bad05c2bcd229a68786
humanhash: wyoming-purple-table-uranus
File name:PO acknowledgement.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'240'576 bytes
First seen:2025-07-14 06:12:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:ytb20pkaCqT5TBWgNQ7aUzZ2xDmO7WBsMI96A:/Vg5tQ7aUzZ2DmegsME5
Threatray 2'465 similar samples on MalwareBazaar
TLSH T1FB45AD1373DD836CC3B25173BA356721AE7B7E2706A0B45B3FD48D3DA920161521A6E3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO acknowledgement.pdf.exe
Verdict:
No threats detected
Analysis date:
2025-07-14 06:13:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b8b4d1b2-d843-4013-ae79-824a6dd0a8ad

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14163/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6874a000900df8e7f86a8245
Tags:
underscore 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:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df286825-8d64-4097-b9a1-4ce26bbb45a4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1735668
Signature
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
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
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735668 Sample: PO acknowledgement.pdf.exe Startdate: 14/07/2025 Architecture: WINDOWS Score: 100 26 www.78451387.xyz 2->26 28 www.wautoparts.xyz 2->28 30 15 other IPs or domains 2->30 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 6 other signatures 2->54 10 PO acknowledgement.pdf.exe 4 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 28->52 process4 signatures5 56 Binary is likely a compiled AutoIt script file 10->56 58 Writes to foreign memory regions 10->58 60 Maps a DLL or memory area into another process 10->60 13 svchost.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 m2nGIQh6Qaf6.exe 13->16 injected process8 process9 18 label.exe 13 16->18         started        signatures10 38 Tries to steal Mail credentials (via file / registry access) 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 42 Modifies the context of a thread in another process (thread injection) 18->42 44 3 other signatures 18->44 21 eHX9HAnZ243g6.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.wafflecrow.live 203.161.63.20, 49720, 49721, 49722 VNPT-AS-VNVNPTCorpVN Malaysia 21->32 34 sexyhso.shop 84.32.84.32, 49736, 49737, 49738 NTT-LT-ASLT Lithuania 21->34 36 9 other IPs or domains 21->36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/8a04cba6c21c1bad05c2bcd229a68786
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210/
Verdict:
Malicious
Threat:
Script-AutoIt.Malware.Heuristic
Link:
https://tip.neiki.dev/file/a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 04:25:09 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uikjebtjzfetcb3o5ajtfxh4grizamzgjk2ksw4u6lxjfgnzyiia._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
formbook
Create hunting rule
autoit
Create hunting rule
Similar samples:
185765b0c4a2a6b0da5a7b361f4781436efabb22c89a99b18d04bedd997d9eec
Formbook
51ce6850c2e7cc493558f8ce3e1627d132f4403e91746b77b914a6ac9b45240e
Formbook
6584f13ecd514b59ef380f0fa106ef5f6ef53e2bb39e0da02947e83de62f6444
Formbook
717a837bfdc5f383080ba2ed80fe0fa7fceaac43d33a13f14d0e01ceeaa1ba95
Formbook
73dafff95640b7ab25cf78c3761448ae1ac0777df5ab6037e37b5ec9b7bd1f96
Formbook
844ec96c0d492d38f827fbc71148c7289a743c43b8369a26d1b1f1ca5c392168
Formbook
a8ba34baa2dd999845323fe9f3c2b1401256ffa0a9b8da69362365d06c6f1049
Formbook
b4a06f1be6894b9d689ca9a76ec35bde31c5fcd61311955dc3b286575d832dbb
Formbook
ec22dc6bd9f3c041b38773b2f365d66bf9fdb6a4f205e80744218f005bfef5ee
Formbook
error
Formbook
fb09d4bc304f7f18d66d85121f8b59e76a2630bb9b42da5e88fe3a0f5e93bef4
Formbook
+ 2'455 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250714-gyvdpafn81/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b26a043-0cce-4f34-8fcc-6df54b2729a2
Unpacked files
SH256 hash:
a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210
MD5 hash:
8a04cba6c21c1bad05c2bcd229a68786
SHA1 hash:
527bc2c21ae57d01a23bfd375a79ee753cec33ca
Link:
https://www.unpac.me/results/c6d71336-1f5d-4c85-b985-d887d5ad9ede/
SH256 hash:
af26d12693e7436975923c7147edad1cab1cd32fd6678df5dcf62ac15680e749
MD5 hash:
767ff5198b86ac3f57e9deaeefb3e621
SHA1 hash:
bd1ed94e99a4439d29e4c0579758f958f9082b94
Link:
https://www.unpac.me/results/c6d71336-1f5d-4c85-b985-d887d5ad9ede/
SH256 hash:
d4553e76112eb114df037eaa460d0848b199564ef88383ac518f4a4fe6e2e5cf
MD5 hash:
df02005ea2dac798a45e34e96ee285ba
SHA1 hash:
d3ba558afb60979da0027ed6ccad2de533674e9e
Link:
https://www.unpac.me/results/c6d71336-1f5d-4c85-b985-d887d5ad9ede/
SH256 hash:
5837b71823fc0b8edcb71c16d2d9a613fa854ce674511f2e2a332a09eba96209
MD5 hash:
a102c84984bedcc6757797894492d751
SHA1 hash:
80c847ed9bd130bcabb8e1e194b1611e50cb2ff3
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c6d71336-1f5d-4c85-b985-d887d5ad9ede/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210

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
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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Malspam

Formbook

rar fca705de74e704fabbb20304083f61bae676744fc74185edfbbf5046f32477c4

Formbook

Executable exe a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 fca705de74e704fabbb20304083f61bae676744fc74185edfbbf5046f32477c4
Cape
Cape
https://www.capesandbox.com/analysis/14163/
  
Dropped by
MD5 8dff8d818a8186cf012cb4a392d79ed6

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::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
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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