MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1384a4567c1116f0a402f0f832427b18013b848e369fd642c4a5dcc763876a90. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1384a4567c1116f0a402f0f832427b18013b848e369fd642c4a5dcc763876a90
SHA3-384 hash: e6b251dcd9dcbab78dba9d63a16d2462755ce480573fd8fd944e2ec839032782cfb7853021d9a8786cca46aabe5115d1
SHA1 hash: b31bbd258bd60729989aa32b0e65df2adab7c337
MD5 hash: 09ac3f9b18c0ac7ba75c74ee3f7f4d51
humanhash: video-rugby-august-indigo
File name:UMOWA-pdf.bat
Download: download sample
Signature Formbook
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File size:553'255 bytes
First seen:2024-06-27 18:55:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b40f29cd171eb54c01b1dd2683c9c26b (45 x GuLoader, 16 x RemcosRAT, 15 x VIPKeylogger)
ssdeep 12288:s49JnhcKlXGu4Bsp/Yy5pij5BDasuTCKsK92B:n933FVYySjbVuTCKx2
TLSH T150C4F1221BD4D51FE351227591A3E33DD774EB9C2E1A8303ABB83C9F7A65B665C31208
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon fcdcd8cceeeae1c0 (4 x Formbook)
Reporter abuse_ch
Tags:bat exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
1384a4567c1116f0a402f0f832427b18013b848e369fd642c4a5dcc763876a90.exe
Verdict:
Malicious activity
Analysis date:
2024-06-27 18:57:41 UTC
Tags:
guloader loader
Link:
https://app.any.run/tasks/a772a1b4-853f-45e0-a841-27d5a92fec2b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware.Dropper.Heur.11643.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667db5dac6541e8c57001cd5win10vpnfull_triage
Tags:
Encryption Execution Generic Stealth Agent
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin masquerade microsoft_visual_cc overlay packed shell32
Link:
https://www.filescan.io/uploads/667db5cc9fd5f9d59210ce84/reports/19c69473-d42c-4aad-906d-bb249eae9da6/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1384a4567c1116f0a402f0f832427b18013b848e369fd642c4a5dcc763876a90
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/8d1981ef-a995-47f1-9adf-fb1638befb74
Result
Threat name:
FormBook, GuLoader
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1463813
Signature
AI detected suspicious sample
Found suspicious powershell code related to unpacking or dynamic code loading
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Powershell drops PE file
Sample uses process hollowing technique
Sigma detected: Powerup Write Hijack DLL
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1384a4567c1116f0a402f0f832427b18013b848e369fd642c4a5dcc763876a90
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1384a4567c1116f0a402f0f832427b18013b848e369fd642c4a5dcc763876a90/
Threat name:
Win32.Trojan.Generic
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Status:
Malicious
First seen:
2024-06-27 10:24:46 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
14 of 24 (58.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cockivt4celpbjac6d4deqt3daatxbeog2p5mqweuxomoy4hnkia._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
execution
Link:
https://tria.ge/reports/240627-xlbzksxemm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Unpacked files
SH256 hash:
1b77f40da1181013a83dd924478849a41ba11ec139559c38af7b92e1715dbd4d
MD5 hash:
6f168e57757aceaa3356c496e80d04b0
SHA1 hash:
cd1fe64873d76e5a3e9eeca76d4425969247d057
Link:
https://www.unpac.me/results/4a50157f-0e59-43e0-ad3d-36dcc87dbb7d/
SH256 hash:
de59710bad95741c41e608f946d9eb4edacdf73ab92a1a3341f8a160b8952c66
MD5 hash:
fcca36e21ca7c4ecfc29f6804acbd76b
SHA1 hash:
2f1972d5a0ec8377e043b9b304e62c24c6c38506
Link:
https://www.unpac.me/results/4a50157f-0e59-43e0-ad3d-36dcc87dbb7d/
SH256 hash:
79aa4f0daf303b02bfcf0306e690378e050003e42c7c9d3e1bd5ad62fb2f3a21
MD5 hash:
b2639b996a3d69541c78642772283e9f
SHA1 hash:
e8a0c678708b8b625234a3ac502e37940ad2992f
Link:
https://www.unpac.me/results/4a50157f-0e59-43e0-ad3d-36dcc87dbb7d/
SH256 hash:
4f69550bba4583ae5f4df10d3b2980b3d164eac21d45dba3496f9ed98a675f7c
MD5 hash:
72ef340bc58f53d1a196581dcfb80f55
SHA1 hash:
f4167ebd1adbb34e7b45a0d013885575c1bdf4fd
Link:
https://www.unpac.me/results/4a50157f-0e59-43e0-ad3d-36dcc87dbb7d/
SH256 hash:
b22f335754f6f0c17f7686b84a0e002841031498de4a5df80f5095580592c61a
MD5 hash:
97b335ff88afb3214e2dbb7f1f02449b
SHA1 hash:
3de370df4225e2575aa21e4fc263e9f2fe8b9e8a
Link:
https://www.unpac.me/results/4a50157f-0e59-43e0-ad3d-36dcc87dbb7d/
SH256 hash:
1384a4567c1116f0a402f0f832427b18013b848e369fd642c4a5dcc763876a90
MD5 hash:
09ac3f9b18c0ac7ba75c74ee3f7f4d51
SHA1 hash:
b31bbd258bd60729989aa32b0e65df2adab7c337
Link:
https://www.unpac.me/results/4a50157f-0e59-43e0-ad3d-36dcc87dbb7d/
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/1384a4567c1116f0a402f0f832427b18013b848e369fd642c4a5dcc763876a90

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:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetWindowsDirectoryA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

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