MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2fe1aace85b4bf69778fce02eaba9c3d1a139fd40770d6296d3fd9970efacb18. 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: 8
| SHA256 hash: | 2fe1aace85b4bf69778fce02eaba9c3d1a139fd40770d6296d3fd9970efacb18 |
|---|---|
| SHA3-384 hash: | 022affe904ff8b12f4f7e3852318ba51ec4d2fcec5cced43f2482fc1a21807edbda579ebf5176862d7ff25759961bdda |
| SHA1 hash: | 6778b78438ac0ade84bad7fe94d9011eb8f4b6fa |
| MD5 hash: | 026302e90e3b99759755ecbf351c6982 |
| humanhash: | fourteen-sierra-skylark-eight |
| File name: | SecuriteInfo.com.Trojan-Downloader.Win32.GuLoader.gen.1220.22932 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 222'054 bytes |
| First seen: | 2022-07-07 17:38:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f10e4da994053bf80c20cee985b32e29 (65 x GuLoader, 9 x RemcosRAT, 6 x QuasarRAT) |
| ssdeep | 3072:CFi6z/VXzAf3oc6nN8r/0DRDE1VCfVtbeEYVwitw9L5geBU3NA9s/7uAc5O:CxFS2ocVE1VCviht+qdA9s/7xc5O |
| Threatray | 3'312 similar samples on MalwareBazaar |
| TLSH | T1E5247B6637B3C562D721C6F1492BD6BA6575FE30AD29A10B3BE03F3F34B0162486C199 |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | c4d4f0d4d4f0d4c4 (1 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
332
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
GuLoader, Quasar
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-07-07 16:33:31 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 26 (61.54%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 3'302 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
2fe1aace85b4bf69778fce02eaba9c3d1a139fd40770d6296d3fd9970efacb18
MD5 hash:
026302e90e3b99759755ecbf351c6982
SHA1 hash:
6778b78438ac0ade84bad7fe94d9011eb8f4b6fa
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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