MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25800eafa614ee6686374943e2c018b62a4207a8d58e60fb25fc615089192732. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25800eafa614ee6686374943e2c018b62a4207a8d58e60fb25fc615089192732
SHA3-384 hash: 2e0c18f3e63965a621436db0c29bc77205a7b0b9285c9f2a8eb3fad6be319b29a9f0bec46824bea2157db6f8261f148d
SHA1 hash: 9c6fb37f7c7843755123b01bc1c715d7b91606b1
MD5 hash: 52911cc84b7dae18ea666f124700b68e
humanhash: emma-earth-april-july
File name:52911cc84b7dae18ea666f124700b68e.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:416'712 bytes
First seen:2023-07-27 07:13:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:PBe337n8xkABZYQk886f30tln8UAyangdMl3GC7RAWkQkORh6a0uXwXFGCu:I7LABZYQk8vfLDgdMlLRdK7Flu
Threatray 874 similar samples on MalwareBazaar
TLSH T16394D083ED9082B7C818043996D7BB2425F75C7D9B5ACF2353D870262FB6192247E36B
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):PE icon
dhash icon c2aab2c2c0f0f0f0 (5 x GuLoader, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-10-27T10:54:10Z
Valid to:2025-10-26T10:54:10Z
Serial number: 60d20cf47d4d5bccd7643335b70c4c5820185132
Thumbprint Algorithm:SHA256
Thumbprint: 5629c0883eef671dcb3469568751427fc0095d4030319c602aef82ab4b277121
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote.xls
Verdict:
Malicious activity
Analysis date:
2023-07-27 06:40:02 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/996b81d7-a5de-4612-bc9a-69a436b37776

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/434693/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.31020.16397.20236.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/25800eafa614ee6686374943e2c018b62a4207a8d58e60fb25fc615089192732
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
Link:
https://analyze.intezer.com/analyses/118efe28-3ae9-47ed-9222-766f04c6cd4d
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1280919
Signature
Antivirus detection for URL or domain
Multi AV Scanner detection for submitted file
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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25800eafa614ee6686374943e2c018b62a4207a8d58e60fb25fc615089192732/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2023-07-27 04:43:52 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewaa5l5gctxgnbrxjfb6fqaywyveeb5i2whgb6zf7rqvbcize4za._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
0aca8e757450257b435be941b91b79bedc38d9b25be3a60b10a52aec61a158a8
GuLoader
2a3b878db3d93241bec1fa344d59275cec331fa159ea90c26d8430f4f4a5b9e5
GuLoader
47e8a43a5dfcefe4d6850764bb413ffeab6724be3a37620853b686c9fb23db34
GuLoader
629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206
GuLoader
723ff97e6559f6558c288ca693898592a21aab28c003883ca13b81667d7e3aef
GuLoader
7d6e9247de0527fa4c0939c4f6e6726a35cb5f39492a7aeab5614ac1ab29b294
GuLoader
86cdb06b975dfb24d11bf83bbe33b39b8eb49c1bb514c2d508c05ef3d9b3be01
GuLoader
b09ed41c3a0e1a98d0035de279a32fa7e08e3eba69190b2cbf5f977301e58100
GuLoader
b5490460c53d27ef419898a98959bec49deb3ac3c3a8a23d63ce7dabe00af32e
GuLoader
c627b8bb6c4ea0cf03aa2d209d0ecc53ff9784283328dabd44c1675aef0939c2
GuLoader
+ 864 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/230727-h2m98aaf62/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
Link:
https://www.unpac.me/results/9b0a7aca-a3d5-436c-9237-c25f0a14015d/
SH256 hash:
25800eafa614ee6686374943e2c018b62a4207a8d58e60fb25fc615089192732
MD5 hash:
52911cc84b7dae18ea666f124700b68e
SHA1 hash:
9c6fb37f7c7843755123b01bc1c715d7b91606b1
Link:
https://www.unpac.me/results/9b0a7aca-a3d5-436c-9237-c25f0a14015d/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/25800eafa614/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GuLoader

Executable exe 25800eafa614ee6686374943e2c018b62a4207a8d58e60fb25fc615089192732

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2690803/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/434693/

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