MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2bc90a1fdc41f3c106b518198f071f11c498ed91136435c22db1b557aead041b. 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: 9
| SHA256 hash: | 2bc90a1fdc41f3c106b518198f071f11c498ed91136435c22db1b557aead041b |
|---|---|
| SHA3-384 hash: | 012326693d9ad7447d0a15ced531c2c1f9aafcf1f30ce32030088a02927ee5ef12f6289e6dc12f639a17e00424aec11d |
| SHA1 hash: | 9e9c6f50c7a39e5add80b8c0fd85a35c2d4449a1 |
| MD5 hash: | a6bac720c9c35f2a22cefb4dfa4196cf |
| humanhash: | hamper-don-nuts-illinois |
| File name: | 2bc90a1fdc41f3c106b518198f071f11c498ed91136435c22db1b557aead041b |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 381'331 bytes |
| First seen: | 2022-12-05 14:21:14 UTC |
| Last seen: | 2022-12-05 15:31:29 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b78ecf47c0a3e24a6f4af114e2d1f5de (301 x GuLoader, 23 x Formbook, 21 x RemcosRAT) |
| ssdeep | 6144:192AH7NAVrjFjniAedfSV7hl6FlAuoLwjjBnJ1go9Oao4daC6eCX7CnufotE3:ZH7srjhCIVV8FOKjFnJRq4ZjOCn+eY |
| Threatray | 2'322 similar samples on MalwareBazaar |
| TLSH | T115842320EBE154ABC723C57349BBA57587BE40A903E8FA132F420EB77A21DDBC535641 |
| 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) |
| File icon (PE): |  |
| dhash icon | aabc929261c9cd49 (1 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
172
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2bc90a1fdc41f3c106b518198f071f11c498ed91136435c22db1b557aead041b
Verdict:
Malicious activity
Analysis date:
2022-12-05 14:28:45 UTC
Tags:
n/a
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
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
buer guloader overlay packed shell32.dll
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:
Malicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
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
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-11-16 12:29:17 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
24 of 41 (58.54%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 2'312 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b
MD5 hash:
b8992e497d57001ddf100f9c397fcef5
SHA1 hash:
e26ddf101a2ec5027975d2909306457c6f61cfbd
SH256 hash:
2bc90a1fdc41f3c106b518198f071f11c498ed91136435c22db1b557aead041b
MD5 hash:
a6bac720c9c35f2a22cefb4dfa4196cf
SHA1 hash:
9e9c6f50c7a39e5add80b8c0fd85a35c2d4449a1
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: | 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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