MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72
SHA3-384 hash: 97e92ed5906e5ce9bc1c5407947301dd011de385c6f72c86ff8295e420e47a363303a3e602813fd47088fbcdee3683c0
SHA1 hash: 54c559bfac5592e419e4e090f0bacaa961ac32be
MD5 hash: e5efc4f8869ad00f7d64b3bc21621b10
humanhash: oxygen-ack-ceiling-zebra
File name:rComprobantebancariopago.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'219'584 bytes
First seen:2024-11-27 17:00:06 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:Ftb20pkaCqT5TBWgNQ7a7A7Cbc7rfFqIxn6A:2Vg5tQ7a7A7UGrc45
Threatray 1'824 similar samples on MalwareBazaar
TLSH T1CB45D02373DEC360C3B25273BA66B7416EBF782506A1F56B2FD4093DE920161521EA73
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
435
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rComprobantebancariopago.exe
Verdict:
No threats detected
Analysis date:
2024-11-27 17:08:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f6bef15b-1338-4927-9cf1-0cf9652c14ec

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67475051d0583382434b82b1
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:
autoit cmd compiled-script evasive fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/674750554759c792deb64c9f/reports/4cf08dee-dce4-432d-8532-98b97a982e14/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8bf9a9ce-528e-440c-b8d6-b6fb7ca831c5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1564018
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-11-27 12:51:46 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vzky4gwedxa53iigkmjtmz6ipz3zoc7ntf34kcil6l2qkzio5zza._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
autoit
Create hunting rule
formbook
Create hunting rule
Similar samples:
12157ebd621a7320bb5470ee264f5eeaaf112740c86a8d962654cce3684a5e19
Formbook
28dbe468fda05030a239bd0f554cb207c31edd37b12b930a357dd43e265e67ad
Formbook
2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c
Formbook
72405ed5a8262e043ccba2e0042bd517774108ebd15c8b34e185735a7235ad92
Formbook
a949711a2548287c4da624ebf136e41df1deba6b67783bf3dc3a30fded99d12c
Formbook
ac92bf21a0a1504de496af67b892680c587d7bccc47647ed62f4211aa988ae58
Formbook
ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72
Formbook
b154b0abed8ff04479144800fa41d49083d4212c5b4528bf111abf019c73661a
Formbook
dcb0dbfb5714fc8d31fb3ac35f060092959f1450655eac659d6f4ff36c3c790d
Formbook
e5eda013173004830010766af13273e9ee2b96c0c63628a531945e4e8c0da884
Formbook
error
Formbook
+ 1'814 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241127-vjj63aylbk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5d7de368-1d33-4e7b-84e1-0399a2ba4425
Unpacked files
SH256 hash:
45643f4d54e011a66cc7a9482df4b3e1c75a86057426eed18679d99014fcc982
MD5 hash:
7c322cfeb81c9ffb5a2b173889f8e6a5
SHA1 hash:
09b4141851bfe71a2da16fe77dcb2d63f972f97b
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c2d7d07f-7974-4dad-87fc-71001d24b403/
Parent samples :
ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72
1733769edf4ada6a9429e2d9c4cfa365d86a328341eb334c04761daafe6edd4c
SH256 hash:
93914a8d93d1678c6d2dbfc57aa9bad4203b7c0528d794f41c32acad9ceb5646
MD5 hash:
b45d822f7018182aba749526136de377
SHA1 hash:
2448b44155c508ec10c7818b4e8f21dc732ae021
Link:
https://www.unpac.me/results/c2d7d07f-7974-4dad-87fc-71001d24b403/
SH256 hash:
ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72
MD5 hash:
e5efc4f8869ad00f7d64b3bc21621b10
SHA1 hash:
54c559bfac5592e419e4e090f0bacaa961ac32be
Link:
https://www.unpac.me/results/c2d7d07f-7974-4dad-87fc-71001d24b403/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ae558e1ac41d/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/ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72

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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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

Executable exe ae558e1ac41dc1dda10653133667c87e77970bed9977c5090bf2f505650eee72

(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::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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