MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39a8de9c02381c6b24ecc842826b1fa66ac585075d5419df30220fec264cf95d. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39a8de9c02381c6b24ecc842826b1fa66ac585075d5419df30220fec264cf95d
SHA3-384 hash: f21de977e13b16d0ab389ce0a4077fe1251772edbb013d04778391257ea4db5a8251ad4d771593308b7d8a50bfc386a5
SHA1 hash: aaf609ad87d0a9e5e7209a047abebac7d33345e1
MD5 hash: f4294fb37c53c0c356aff31b2dbe85be
humanhash: north-batman-twelve-enemy
File name:RFQ_0103.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'279'542 bytes
First seen:2024-03-08 18:10:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:zTbBv5rUNvFMN8yqPBFbilTlMLkMwyASu+rfQifbAZP+vPT:tBIq2XkMLnFASPr4CAZPOPT
Threatray 2'918 similar samples on MalwareBazaar
TLSH T1914512027AC6D4B2C57629315A259B21A87D7D201FA5CEDFB3D43F2EDA312C1C632396
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 797979b969e8d8e0 (2 x RemcosRAT, 1 x AgentTesla, 1 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
390
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
39a8de9c02381c6b24ecc842826b1fa66ac585075d5419df30220fec264cf95d.exe
Verdict:
Malicious activity
Analysis date:
2024-03-08 18:14:28 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/fef952d5-282a-44c7-97e2-acbf1c0c86ec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint installer keylogger lolbin overlay packed setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/65eb54b9c1137bbf1494a3ed/reports/e86afab4-9a6d-4bf9-98a9-06080bcbcc90/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/39a8de9c02381c6b24ecc842826b1fa66ac585075d5419df30220fec264cf95d
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/971cd579-9373-4e7d-909a-56352a0653e0
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1405569
Signature
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1405569 Sample: RFQ_0103.exe Startdate: 08/03/2024 Architecture: WINDOWS Score: 100 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected AntiVM autoit script 2->61 63 Initial sample is a PE file and has a suspicious name 2->63 65 8 other signatures 2->65 10 RFQ_0103.exe 3 34 2->10         started        process3 file4 55 C:\Users\user\AppData\Local\...\weqem.3gp, PE32 10->55 dropped 57 C:\Users\user\AppData\Local\Temp\...\jtqx.vbe, Unicode 10->57 dropped 13 wscript.exe 1 10->13         started        process5 signatures6 73 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->73 16 cmd.exe 1 13->16         started        18 cmd.exe 1 13->18         started        21 cmd.exe 1 13->21         started        process7 signatures8 23 weqem.3gp 1 33 16->23         started        27 conhost.exe 16->27         started        67 Uses ipconfig to lookup or modify the Windows network settings 18->67 29 conhost.exe 18->29         started        31 ipconfig.exe 1 18->31         started        33 conhost.exe 21->33         started        35 ipconfig.exe 1 21->35         started        process9 file10 47 C:\Users\user\llho\weqem.3gp.exe, PE32 23->47 dropped 49 C:\Users\user\llho\weqem.3gp, PE32 23->49 dropped 51 C:\Users\user\AppData\Local\...\weqem.3gp.exe, PE32 23->51 dropped 53 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 23->53 dropped 69 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->69 71 Writes to foreign memory regions 23->71 37 RegSvcs.exe 23->37         started        39 mshta.exe 23->39         started        41 mshta.exe 23->41         started        43 6 other processes 23->43 signatures11 process12 process13 45 WerFault.exe 37->45         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/39a8de9c02381c6b24ecc842826b1fa66ac585075d5419df30220fec264cf95d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39a8de9c02381c6b24ecc842826b1fa66ac585075d5419df30220fec264cf95d/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-03-01 07:06:07 UTC
File Type:
PE (Exe)
Extracted files:
89
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgun5hachaogwjhmzbbie2y7uzvmlbihlvkbtxzqeih6yjsm7foq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1b7c29ec3b8b5e6d2ef3535b36990ad6dec6c2cd2800bb237717965b23ca8a16
Formbook
7f5afd30f7eb7858f4d31dc758fdf58927e9547446a50125216b0486f2295e2e
Formbook
9f1122dca134215377858274478f891e80951892e78211ac6da0aafe39de699b
Formbook
bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685
Formbook
db9737257fac05121420a708b7d32413086f06824152969883dbf04a23e8137d
Formbook
f2654977c1d40ceaf88ac1ec3ec51e5ffd603cc80a58c1a0e2b8c7c6bb5a8bf9
Formbook
+ 2'908 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/240308-wsk1dsdd39/
Behaviour
Gathers network information
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
3fce07bd7e220e97a1b141da155444f95aba7b5e4325f6a5edb262c025c1e5a9
MD5 hash:
eeaa0f5d82e56659c80fa84d588bf870
SHA1 hash:
a1aea1de9c42e1ef8c186ef6246dd318040e66de
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/65ee0abd-114b-4258-a044-46655e41ffa5/
Parent samples :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 hash:
39a8de9c02381c6b24ecc842826b1fa66ac585075d5419df30220fec264cf95d
MD5 hash:
f4294fb37c53c0c356aff31b2dbe85be
SHA1 hash:
aaf609ad87d0a9e5e7209a047abebac7d33345e1
Link:
https://www.unpac.me/results/65ee0abd-114b-4258-a044-46655e41ffa5/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/39a8de9c0238/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/39a8de9c02381c6b24ecc842826b1fa66ac585075d5419df30220fec264cf95d

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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