MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c94594347e097f2175e02dbeac9d319c6ef8f673188ff5dfcd81b303e07803f. 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



GuLoader


Vendor detections: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: 1c94594347e097f2175e02dbeac9d319c6ef8f673188ff5dfcd81b303e07803f
SHA3-384 hash: 1f5d6d9d78796982a672f617ff09d768e8e0c9d7dd2a1bacee84b959ce9d94017f35a30f562cc00a0a4b099c7e75a7e6
SHA1 hash: c169eb0ab2c50be64e06351363ea44b19839cb42
MD5 hash: be4cc819efcca915a682af25beb238de
humanhash: friend-lima-ten-michigan
File name:AWB 9869692024 Clearance Doc.exe
Download: download sample
Signature GuLoader
File size:760'400 bytes
First seen:2024-08-21 04:17:49 UTC
Last seen:2024-09-09 14:14:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3f91aceea750f765ef2ba5d9988e6a00 (45 x GuLoader, 9 x RemcosRAT, 7 x Loki)
ssdeep 12288:RS4njtlFI1cX06F4EQWq4tvsRn/zE6w2FxU1QgUVEnSFV:c4njtlTk67q4tvsRn/HFatnSv
Threatray 140 similar samples on MalwareBazaar
TLSH T16FF41288C1A4D0E2FC6236FC14257B0ECA796D54999D89D36BB47FDD81712A27F0FA02
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon b130fcd2d2d830a3 (6 x Formbook, 2 x RemcosRAT, 2 x njrat)
Reporter threatcat_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Bevidsthedstabenes Stryger Octadic
Issuer:Bevidsthedstabenes Stryger Octadic
Algorithm:sha256WithRSAEncryption
Valid from:2024-05-29T07:32:35Z
Valid to:2027-05-29T07:32:35Z
Serial number: 59dd0f55b9bd5c2221a60dc382eb330df2f56c3c
Thumbprint Algorithm:SHA256
Thumbprint: 3e6857973d597b0d6fd4169a40fd37f7d0a65ae6ec926ac1dd4aca5633806abf
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
445
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWB 9869692024 Clearance Doc.exe
Verdict:
Suspicious activity
Analysis date:
2024-08-21 04:20:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.1%
Tags:
i n j e c t
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
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.
Result
Threat name:
GuLoader, Remcos
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2024-08-21 02:27:39 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:benchao discovery rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
tochisglobal.ddns.net:6426
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
MD5 hash:
d6f54d2cefdf58836805796f55bfc846
SHA1 hash:
b980addc1a755b968dd5799179d3b4f1c2de9d2d
SH256 hash:
507df75c959e1c9a89febb3f5d5963539895d9a602f4e6ca7898079919a83352
MD5 hash:
232f16c1cb21335fbce6f78ddaf2458c
SHA1 hash:
1c5981b852b3b640c98547074bda081c38859c3f
SH256 hash:
1c94594347e097f2175e02dbeac9d319c6ef8f673188ff5dfcd81b303e07803f
MD5 hash:
be4cc819efcca915a682af25beb238de
SHA1 hash:
c169eb0ab2c50be64e06351363ea44b19839cb42
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:PE_Digital_Certificate
Author:albertzsigovits

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

GuLoader

Executable exe 1c94594347e097f2175e02dbeac9d319c6ef8f673188ff5dfcd81b303e07803f

(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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments