MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83e35b5a0251658e0956608fa93f0de64e8d5fe9f9297a1b7b389d4699d79128. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83e35b5a0251658e0956608fa93f0de64e8d5fe9f9297a1b7b389d4699d79128
SHA3-384 hash: f66b251484ef4875a1bee840a1dc6bd4a4a19f4a38773738de3d1d4bebc2fc8acc6d4b4a34d1b0d20953348b0cc884eb
SHA1 hash: a7825c7525f6781ee811de6fb8ea32ac1af1a712
MD5 hash: ff78cbd8b93f4d6e185c3d4569fe3e8b
humanhash: tango-sodium-shade-kansas
File name:Scan405.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'249'792 bytes
First seen:2024-07-04 16:07:40 UTC
Last seen:2024-07-04 16:19:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:WAHnh+eWsN3skA4RV1Hom2KXMmHaL7Bi8rLWmiSkXAA90VM7wG5:xh+ZkldoPK8YavB1umCQTs
TLSH T1E545BD02B791D035FFAA92735B6AF22156BD7D290133852F12D83DBABD710B1223D663
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
83e35b5a0251658e0956608fa93f0de64e8d5fe9f9297a1b7b389d4699d79128.exe
Verdict:
No threats detected
Analysis date:
2024-07-04 16:09:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/eba9bd09-3dc4-438c-b894-a432f132669d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.AutoIt.1410.8020.17050.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6686c9514a5832d180b6f05cwin10vpnfull_triage
Tags:
Malware
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:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/83e35b5a0251658e0956608fa93f0de64e8d5fe9f9297a1b7b389d4699d79128
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:
Malicious
Link:
https://analyze.intezer.com/analyses/894dd2d1-0dbf-4745-99fd-c1739134df7e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1467769
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert 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)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1467769 Sample: Scan405.exe Startdate: 04/07/2024 Architecture: WINDOWS Score: 100 28 www.jjjw.xyz 2->28 30 www.wearelemonpepper.com 2->30 32 18 other IPs or domains 2->32 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 50 6 other signatures 2->50 10 Scan405.exe 4 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 28->48 process4 signatures5 62 Binary is likely a compiled AutoIt script file 10->62 64 Maps a DLL or memory area into another process 10->64 66 Switches to a custom stack to bypass stack traces 10->66 13 svchost.exe 10->13         started        process6 signatures7 68 Maps a DLL or memory area into another process 13->68 16 JzViwOyvqdzc.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 wevtutil.exe 13 16->19         started        process10 signatures11 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal browser information (history, passwords, etc) 19->54 56 Modifies the context of a thread in another process (thread injection) 19->56 58 3 other signatures 19->58 22 JzViwOyvqdzc.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 hvtm6edv0rame.shop 216.18.208.202, 64619, 64620, 64621 WEBNXUS United States 22->34 36 www.bandbid.top 67.223.117.189, 64615, 64616, 64617 VIMRO-AS15189US United States 22->36 38 8 other IPs or domains 22->38 60 Found direct / indirect Syscall (likely to bypass EDR) 22->60 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/83e35b5a0251658e0956608fa93f0de64e8d5fe9f9297a1b7b389d4699d79128
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83e35b5a0251658e0956608fa93f0de64e8d5fe9f9297a1b7b389d4699d79128/
Threat name:
Win32.Trojan.Autoit
Create hunting rule
Status:
Malicious
First seen:
2024-06-24 23:58:28 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qprvwwqckfsy4ckwmch2spyn4zhi2x7j7euxug33hcoungoxseua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240704-tk74vayfml/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e43c3ec1-c9d2-48fa-96c2-53c4a4fbd3f5
Unpacked files
SH256 hash:
734a38548eab4e0b6b99a5a8aa16a4b71136b0cf2414a66b01a926db10b6e299
MD5 hash:
622bfe79367a556c5ffa3393fa42d2b1
SHA1 hash:
996a706cbd697bd982e638328ae4ee38fa608b8b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/ee3ee0a2-5570-45ac-8579-51386afaea37/
Parent samples :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 hash:
792254103360fd678bafae794625c9ef53ac7d841ce19ec9cdb9c03716a4ab51
MD5 hash:
c3494de803f51e274a74b28042b31f53
SHA1 hash:
e9e0e965a6cedc3840fd12cd71da18ada20d238e
Link:
https://www.unpac.me/results/ee3ee0a2-5570-45ac-8579-51386afaea37/
SH256 hash:
83e35b5a0251658e0956608fa93f0de64e8d5fe9f9297a1b7b389d4699d79128
MD5 hash:
ff78cbd8b93f4d6e185c3d4569fe3e8b
SHA1 hash:
a7825c7525f6781ee811de6fb8ea32ac1af1a712
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/ee3ee0a2-5570-45ac-8579-51386afaea37/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83e35b5a0251/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/83e35b5a0251658e0956608fa93f0de64e8d5fe9f9297a1b7b389d4699d79128

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:SUSP_Imphash_Mar23_3
Create hunting rule
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

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
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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