MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 25ba5a9b278c96af068849f26564bdb27513e7cded6c256bf5a0034e53f2f11d. 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: | 25ba5a9b278c96af068849f26564bdb27513e7cded6c256bf5a0034e53f2f11d |
|---|---|
| SHA3-384 hash: | 07f806ad340edc30e5c4baac2b8cc60d0f2150cb081844e5bb57db469aa7414b44a758d7f0c04e1558ecfc932713e1b5 |
| SHA1 hash: | 35aafdb1273b09776b3eac405b1f7fb8858b3f31 |
| MD5 hash: | c276001579212d6cc8966b0b26b502ce |
| humanhash: | social-eight-march-golf |
| File name: | 25ba5a9b278c96af068849f26564bdb27513e7cded6c256bf5a0034e53f2f11d |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 815'656 bytes |
| First seen: | 2023-04-04 13:15:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6e7f9a29f2c85394521a08b9f31f6275 (278 x GuLoader, 44 x RemcosRAT, 40 x VIPKeylogger) |
| ssdeep | 24576:6Mwf+m50w/dByz9Otlm4FrQoLnuD+fZ5ZM1P3A6YlBE5GwI:6Mwf0w/ds4b1Qqa+frW93AXbENI |
| Threatray | 1'469 similar samples on MalwareBazaar |
| TLSH | T1F105234027E4C4D3C1A117B5C4BA92F98FAEDC0BC671479B6708BE867F78B12A911727 |
| 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 |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-06-06T00:40:07Z |
| Valid to: | 2025-06-05T00:40:07Z |
| Serial number: | fc962b01773508e609ed073106abc41adeb9ea |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 5a30a4469e99a0ec3bf87d1bcd9543475926e08b7817ab1529d68d43a9352e4f |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
237
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
25ba5a9b278c96af068849f26564bdb27513e7cded6c256bf5a0034e53f2f11d
Verdict:
Malicious activity
Analysis date:
2023-04-04 13:15:46 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
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
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll warp
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
Detection:
malicious
Classification:
rans.troj.evad
Score:
68 / 100
Signature
Found potential ransomware demand text
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-03-29 02:14:31 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
21 of 37 (56.76%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'459 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Unpacked files
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
SH256 hash:
02c31e64a5cc7c02139db0dedd2b534203df3664694a3ca77f36851768382e61
MD5 hash:
57604e54dc9ab400e0bcc49079be0f30
SHA1 hash:
e2032fa9952a79366923dc6a3760af7e169bfce3
SH256 hash:
2d50877b5f2cbed809eb549b901b4186611d95aa64702fec3d959cc189fabb25
MD5 hash:
83ca57282a7b0a9e1314f1563e48cb30
SHA1 hash:
0d6ee596aeb7caf70b4a3db816f904be5d07cdeb
SH256 hash:
25ba5a9b278c96af068849f26564bdb27513e7cded6c256bf5a0034e53f2f11d
MD5 hash:
c276001579212d6cc8966b0b26b502ce
SHA1 hash:
35aafdb1273b09776b3eac405b1f7fb8858b3f31
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: | Suspicious_Macro_Presence |
|---|---|
| Author: | Mehmet Ali Kerimoglu (CYB3RMX) |
| Description: | This rule detects common malicious/suspicious implementations. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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