MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a5e14258f116f3143a071373ce8e7d89bd644c4b88d6da1133e523721329764. 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: 12
| SHA256 hash: | 1a5e14258f116f3143a071373ce8e7d89bd644c4b88d6da1133e523721329764 |
|---|---|
| SHA3-384 hash: | 22fa98987bc7693edfa2e658569fc34eacc91f6e01ff2948662b5b9727f584e21e02fbbbf30d5ecbc9c89e4f0e803a56 |
| SHA1 hash: | 8294d213c448dbf6fb638db615197f6301e25130 |
| MD5 hash: | 94587df3dcf38e3db8b5f7f1d4d06424 |
| humanhash: | quebec-foxtrot-don-oscar |
| File name: | IMG INV 45123452353202016389 Koordinationer.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 584'616 bytes |
| First seen: | 2024-03-04 16:33:11 UTC |
| Last seen: | 2024-03-06 14:08:58 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki) |
| ssdeep | 12288:bYBG9h+MP71q28B/zGIKNh2YMyYfcJs92Dn9oSf8V:bYBm8MP71q2o/zKCyxJssn9t |
| Threatray | 569 similar samples on MalwareBazaar |
| TLSH | T1C1C401513A96DC59DC574E3026E9DB2D9F3FBC802E06468736E2BFEACA703F25905046 |
| 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): |  |
| dhash icon | 493efaf8f4b4d8f8 (2 x GuLoader) |
| Reporter |  TeamDreier |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Cholecystorrhaphy |
|---|---|
| Issuer: | Cholecystorrhaphy |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-01-07T00:15:41Z |
| Valid to: | 2027-01-06T00:15:41Z |
| Serial number: | 0cb1ecf36110497316ee4d31935e37c644095a97 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 4c2e2dc7c63f2b86a1c2603a40fa081859f3a598180f3dc0b3d09503f58d6516 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
325
Origin country :
DKVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG INV 45123452353202016389 Koordinationer.gz
Verdict:
Malicious activity
Analysis date:
2024-02-27 19:23:09 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a file
Delayed reading of the file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
guloader installer lolbin overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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
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
Found malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2024-02-27 09:26:23 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 559 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:guloader family:remcos downloader persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Guloader,Cloudeye
Remcos
Unpacked files
SH256 hash:
904fd5481d72f4e03b01a455f848dedd095d0fb17e33608e0d849f5196fb6ff8
MD5 hash:
55a26d7800446f1373056064c64c3ce8
SHA1 hash:
80256857e9a0a9c8897923b717f3435295a76002
Detections:
win_qtbot_auto
Parent samples :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 hash:
1a5e14258f116f3143a071373ce8e7d89bd644c4b88d6da1133e523721329764
MD5 hash:
94587df3dcf38e3db8b5f7f1d4d06424
SHA1 hash:
8294d213c448dbf6fb638db615197f6301e25130
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
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: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| 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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| AUTH_API | Manipulates User Authorization | ADVAPI32.dll::SetFileSecurityA |
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AdjustTokenPrivileges |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExA SHELL32.dll::SHFileOperationA SHELL32.dll::SHGetFileInfoA |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessA ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryExA KERNEL32.dll::GetDiskFreeSpaceA KERNEL32.dll::GetCommandLineA |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileA KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::DeleteFileA KERNEL32.dll::MoveFileExA KERNEL32.dll::MoveFileA |
| WIN_BASE_USER_API | Retrieves Account Information | ADVAPI32.dll::LookupPrivilegeValueA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyExA ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryValueExA ADVAPI32.dll::RegSetValueExA |
| WIN_USER_API | Performs GUI Actions | USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::FindWindowExA USER32.dll::OpenClipboard USER32.dll::PeekMessageA USER32.dll::CreateWindowExA |
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