MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83d3a548fef2d7650726b3a9610b08f79bf2618a254ea448f98ceb130f22f626. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83d3a548fef2d7650726b3a9610b08f79bf2618a254ea448f98ceb130f22f626
SHA3-384 hash: 898a3e5fb13ddf01f7609eb9a8f1cef6a36600c1fd4d54cb0d71a0f406ea41618070435ce4950858b6ab35c62ce9a529
SHA1 hash: 3db8797a261492fbe03ec0d11a166fe6637f12cc
MD5 hash: cb2d2c1b10135fd2e2a7b1530543c758
humanhash: alaska-pennsylvania-angel-kentucky
File name:rPO-455502.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'174'528 bytes
First seen:2024-11-13 08:00:06 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:ptb20pkaCqT5TBWgNQ7azJcerI2+y57ST6A:6Vg5tQ7az1rCK05
Threatray 1'522 similar samples on MalwareBazaar
TLSH T18945CF2273DE8365C3725273BA257741AEBF782506A5F46B2FD8093DF920122521EB73
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 :
396
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rPO-455502.exe
Verdict:
No threats detected
Analysis date:
2024-11-13 08:05:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a80b2c5b-a007-49dd-8a60-a0b3ae174c48

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:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6735188b0552fd58596bb07c
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 compiled-script fingerprint keylogger microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/67345cbf08e506a0b7b4640d/reports/fa56aa18-cc30-4b80-b4cf-3e9e472eba5b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/83d3a548fef2d7650726b3a9610b08f79bf2618a254ea448f98ceb130f22f626
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87526745-13f6-4de3-91f8-fba180ba3966
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1554961
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted 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/83d3a548fef2d7650726b3a9610b08f79bf2618a254ea448f98ceb130f22f626
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83d3a548fef2d7650726b3a9610b08f79bf2618a254ea448f98ceb130f22f626/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-11-13 07:25:48 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpj2ksh66llwkbzgwouwccyi66n7eymkevhkishzrtvrgdzc6yta._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
Similar samples:
493239f65d67f05cfa86644937ace5a0ba83fb316babf3d1d66d21674eae78e8
Formbook
4f936fd1478ff8c2750edaf9ab108d051002ba894b7ae91c9b7ffcc55dc7ee26
Formbook
78ea44a5a67769917b600543b0a1fffd621e086dec6fddddf438080e89ba4ea1
Formbook
a745120f8c630fc43742d0127740278ea80a9f397833f2aef584d20924588191
Formbook
ce89a0a88051c50bf0be5ab41e5f2d478b5f3eac141b37a9743cab99423656ce
Formbook
ed9bfa1f7f07bff0cc174954b4ce718b7bdce2ee763242dbf8475ed5d39ed4b6
Formbook
error
Formbook
+ 1'512 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241113-jwjkhs1mdn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6d9e1b2b-bafe-4761-ad5c-fb0bde2520c4
Unpacked files
SH256 hash:
12b3f8c37bdd217635fbbb136d22a647f8d7ddfb6c6302508260507e004f32b5
MD5 hash:
a38f9f09c7967f78e927a66d640fa4d3
SHA1 hash:
bfccd2e1b62fb180a14665709a37f0c4e1657cec
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/24256c5e-fb55-42a2-980a-513689a7f60b/
Parent samples :
83d3a548fef2d7650726b3a9610b08f79bf2618a254ea448f98ceb130f22f626
007909cb6b9f2cb702caf29ee245db37bfe73ac42b4a87034c226321ec1d47ff
SH256 hash:
8af80afa5562692a31daae2178c0b62bf58801db3e6e411371a6e2cf4a321d79
MD5 hash:
02048d027d1c3383265e5d186f97772b
SHA1 hash:
7a932c944c2422781e048d0d5b50f067a0657e99
Link:
https://www.unpac.me/results/24256c5e-fb55-42a2-980a-513689a7f60b/
SH256 hash:
83d3a548fef2d7650726b3a9610b08f79bf2618a254ea448f98ceb130f22f626
MD5 hash:
cb2d2c1b10135fd2e2a7b1530543c758
SHA1 hash:
3db8797a261492fbe03ec0d11a166fe6637f12cc
Link:
https://www.unpac.me/results/24256c5e-fb55-42a2-980a-513689a7f60b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83d3a548fef2/report/overview.html
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
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:Checking for malicious import combination that common Ransomware mostly use
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 83d3a548fef2d7650726b3a9610b08f79bf2618a254ea448f98ceb130f22f626

(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

Comments