MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0cf2dbfa57e155dfc6c1258cdbb652945c0309d4af6331562181248b16c2e804. 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: 11
| SHA256 hash: | 0cf2dbfa57e155dfc6c1258cdbb652945c0309d4af6331562181248b16c2e804 |
|---|---|
| SHA3-384 hash: | 2ba5fe3f4369da868116fb62fa83a866cf2b10c7c8a5b0b9183e815416327c18e719b7b0b8d9cbc3abd8712708dc9b82 |
| SHA1 hash: | d2b2560aaef6320c6d4bafc8b4039ab8f6224c66 |
| MD5 hash: | 44e6a64ec8b7fc68c3612df50a575028 |
| humanhash: | twenty-angel-cold-earth |
| File name: | xdlsuthdjke456jd.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 585'624 bytes |
| First seen: | 2023-09-11 13:34:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 12288:6NgR2Q2Ko786wBQ5e+IGobUDte1k4iZKuA9z+/rKz:6Ngfo7WQLIrbUDt4k4noTKz |
| TLSH | T1DDC401002F6ECA06F0AF1C701DB5D5EAA2B99DC11C7A66025F337E4D9B3ABC5B249153 |
| 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) (4505/5/1) |
| Reporter |  James_inthe_box |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-06-10T10:00:01Z |
| Valid to: | 2026-06-09T10:00:01Z |
| Serial number: | 0be1e2eb94175b2757e029f738cd47660ff20111 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 837e6477e813cf2928bb041cc407a46db2b3fb788c6e38769edc5eb0695093a8 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
297
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order and Payment Schedule.xls
Verdict:
Malicious activity
Analysis date:
2023-09-11 09:18:50 UTC
Tags:
opendir exploit cve-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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 / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Installs a global keyboard hook
Maps a DLL or memory area into another process
Sigma detected: Remcos
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-09-11 04:21:20 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
14 of 23 (60.87%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader persistence
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
MD5 hash:
68b287f4067ba013e34a1339afdb1ea8
SHA1 hash:
45ad585b3cc8e5a6af7b68f5d8269c97992130b3
SH256 hash:
0cf2dbfa57e155dfc6c1258cdbb652945c0309d4af6331562181248b16c2e804
MD5 hash:
44e6a64ec8b7fc68c3612df50a575028
SHA1 hash:
d2b2560aaef6320c6d4bafc8b4039ab8f6224c66
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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