MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
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SHA256 hash: 8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b
SHA3-384 hash: 077e1dd6a9f99a232cdc7d66523a9c1373d2118a9b52554cc1900e0b9197d3b802784fa5ec421902c085a4a2bb4bdb83
SHA1 hash: 3811d4cdd2723b0744303d7e13ae184caf9adedd
MD5 hash: a6bf416d4380aea9daf376e06878f0f7
humanhash: enemy-summer-high-lithium
File name:8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b
Download: download sample
Signature Formbook
Create hunting rule
File size:1'320'269 bytes
First seen:2024-11-07 11:53:37 UTC
Last seen:2024-11-07 14:19:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash aaaa8913c89c8aa4a5d93f06853894da (246 x Formbook, 82 x AgentTesla, 74 x RedLineStealer)
ssdeep 24576:ffmMv6Ckr7Mny5QLQxkO/ur7UdTR49zWzYFiB/XVRK5CFPWr:f3v+7/5QL4kmu/URkzeqa/l4Ca
TLSH T10B55F112F7D680B6DDA33971297BE326EB3475194323C4CBA7E12E779E211009B36762
TrID 84.9% (.EXE) AutoIt3 compiled script executable (510622/80/67)
9.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
1.7% (.EXE) Win64 Executable (generic) (10522/11/4)
1.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
398
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Technical Datasheet and Specification_PDF.exe
Verdict:
Malicious activity
Analysis date:
2024-10-22 13:56:46 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/8e6a0423-5f5c-49a7-a118-495c2ead82ba

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672caa648d23d9049134dfbb
Tags:
nymeria 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 nymeria overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/672caa60182e63505d61e212/reports/95789d7c-bd9a-4a32-8ae5-a68a5ad00353/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b
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:
Unknown
Link:
https://analyze.intezer.com/analyses/80c2868d-ef52-44ec-a5a3-18c1889f50cf
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1551058
Signature
AI detected suspicious sample
Contains functionality to detect sleep reduction / modifications
Found direct / indirect Syscall (likely to bypass EDR)
Machine Learning detection for 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)
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551058 Sample: ByuoedHi2e.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 30 www.myprefpal.xyz 2->30 32 www.030003582.xyz 2->32 34 19 other IPs or domains 2->34 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected FormBook 2->46 48 Machine Learning detection for sample 2->48 50 AI detected suspicious sample 2->50 10 ByuoedHi2e.exe 1 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 32->52 process4 signatures5 64 Writes to foreign memory regions 10->64 66 Maps a DLL or memory area into another process 10->66 68 Switches to a custom stack to bypass stack traces 10->68 70 Contains functionality to detect sleep reduction / modifications 10->70 13 svchost.exe 10->13         started        process6 signatures7 72 Maps a DLL or memory area into another process 13->72 16 vgvZVkNuGUROJ.exe 13->16 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 16->42 19 msinfo32.exe 13 16->19         started        22 verifiergui.exe 16->22         started        process10 signatures11 54 Tries to steal Mail credentials (via file / registry access) 19->54 56 Tries to harvest and steal browser information (history, passwords, etc) 19->56 58 Modifies the context of a thread in another process (thread injection) 19->58 60 3 other signatures 19->60 24 vgvZVkNuGUROJ.exe 19->24 injected 28 firefox.exe 19->28         started        process12 dnsIp13 36 www.030003582.xyz 161.97.142.144, 49350, 49351, 49352 CONTABODE United States 24->36 38 jilifish.win 3.33.130.190, 59961, 59962, 59963 AMAZONEXPANSIONGB United States 24->38 40 8 other IPs or domains 24->40 62 Found direct / indirect Syscall (likely to bypass EDR) 24->62 signatures14
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-10-25 00:10:00 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rn62jdczd5p7qzzeyhuj5cb7sxwt4qu4h7jzwjyou3mvcvnzvqnq._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
formbook
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admintool_powerrun
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241107-n2wjgssaqp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f4679f84-f545-4fe6-8119-b9b282cbf562
Unpacked files
SH256 hash:
5b245054a4596eb7c5f3c4fc3969613229e0ccb051a1b7b19e78e68e48708ed2
MD5 hash:
3ce60f5b0a3aa65bbdaeba0ff1da2448
SHA1 hash:
eec85bd5b0f2a91312c4cf7d8540a0d104c97cdc
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b6ca1aed-4e2c-4254-898a-7c7b6dd67227/
Parent samples :
2be44d4db466abd09f6106fb4c802c626d3560b502ead847d5339f923a04b39a
49c0758fbe23f3af9f5b0a4c61bf702af40054f83ee118af52c0c24421c9b227
d506e1f01849aabb228851afbcf1b797bbcb1ef21357417e41a37cdcb079e479
b2d6794cb15c82ed425a297e3391225fc8a40deddc4cab14cdb14e49414459a4
ee269505edcbac217cb45f00f1769e52733af529dd3a84d47623cf135240a8a8
8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b
SH256 hash:
51f39b5f530e4c29e5a155f2afc109bffc2510fd908f6631e97565908426cdb2
MD5 hash:
e19604fe66cd7523e0d0b87f3dce5412
SHA1 hash:
42c5e9df9b6a4d15600aaa2f98932d0e8e65c84c
Link:
https://www.unpac.me/results/b6ca1aed-4e2c-4254-898a-7c7b6dd67227/
SH256 hash:
8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b
MD5 hash:
a6bf416d4380aea9daf376e06878f0f7
SHA1 hash:
3811d4cdd2723b0744303d7e13ae184caf9adedd
Link:
https://www.unpac.me/results/b6ca1aed-4e2c-4254-898a-7c7b6dd67227/
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/8b7da48c591f5ff86724c1e89e883f95ed3e429c3fd39b270ea6d95155b9ac1b

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
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::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
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_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
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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