MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdd2c8120d61247bbb83f791071f2d99227cb3f0e5129096441ebef1ab014965. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: cdd2c8120d61247bbb83f791071f2d99227cb3f0e5129096441ebef1ab014965
SHA3-384 hash: 620d4a5a8f06004c956dee7c3f26fb7672d947d6eac25b437fb7a8ddf7fc6cadd725092a5976dfa4d9497be99945b423
SHA1 hash: 004e30a4a2ebe306cd71dfe28dd011289cb5a348
MD5 hash: b85b09a61390b3c5a1c70ee916fb80a3
humanhash: winner-west-vermont-moon
File name:cdd2c8120d61247bbb83f791071f2d99227cb3f0e5129096441ebef1ab014965
Download: download sample
Signature GuLoader
File size:3'276'309 bytes
First seen:2025-09-03 10:32:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 84062c623770f0d888e4ca58451aa7ad (10 x GuLoader, 1 x Formbook, 1 x RemcosRAT)
ssdeep 98304:bQc82PKZlI758JxP6bfNVxGLrBAwZhTwGL2bAAU0:bQc86t6EbqrVZh8G/AU0
Threatray 700 similar samples on MalwareBazaar
TLSH T15BE5337971838FEBCE85FB707DB3D8A346A41C149D4D7B777A803E8B243611A6D0A264
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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) (4504/4/1)
Magika pebin
Reporter JAMESWT_WT
Tags:exe GuLoader starmanx-org

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
cdd2c8120d61247bbb83f791071f2d99227cb3f0e5129096441ebef1ab014965
Verdict:
Malicious activity
Analysis date:
2025-09-03 10:44:10 UTC
Tags:
guloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
injector virus blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Searching for the window
Creating a file
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer microsoft_visual_cc nsis overlay
Verdict:
Malicious
File Type:
exe x32
First seen:
2024-08-05T19:16:00Z UTC
Last seen:
2024-08-05T19:16:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Makoob
Status:
Malicious
First seen:
2024-08-06 00:25:52 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
cdd2c8120d61247bbb83f791071f2d99227cb3f0e5129096441ebef1ab014965
MD5 hash:
b85b09a61390b3c5a1c70ee916fb80a3
SHA1 hash:
004e30a4a2ebe306cd71dfe28dd011289cb5a348
SH256 hash:
edf12a3040cff0d801a86c02313d6605b41d766807f3dcb261754cf01b4e14b9
MD5 hash:
e227391c7ff576135eac4871e78ebe2d
SHA1 hash:
85d4bdbb79bdc47095ca35ed2141b2e64d029218
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Detect_NSIS_Nullsoft_Installer
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Comments