MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c969a06b2e8fe7fc4ad81ca5005713f4c9638c6ad36be3949fea7a0cea62204. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c969a06b2e8fe7fc4ad81ca5005713f4c9638c6ad36be3949fea7a0cea62204
SHA3-384 hash: f3d66c9af781f12f793b4734fdc0a0807260f252f6cb14e40d07bc99a6c66fee2e3f0fd615e74aa8a2909b37e32a4cec
SHA1 hash: 35df258e80d01962ce01009003d783ae5cdb98be
MD5 hash: 11721c1424b078103ca0f539072a9f15
humanhash: victor-echo-east-zebra
File name:Request List.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:449'856 bytes
First seen:2023-11-07 07:49:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (182 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 12288:9QFsls43kO7FDYjWLFN/kv0eojVytbGbpr:9QCl/39VBJa05CCx
TLSH T183A4011F3561C8E2F88C83714776DB1B6ADE684715820A273BB1A778BF256C3D60E4C9
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 8883b69d19c6c3c0 (38 x GuLoader, 6 x RemcosRAT, 6 x VIPKeylogger)
Reporter lowmal3
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
336
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.NSIS.Guloader.1041.12026.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control guloader installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6549ebef886b1623ff3b88d6/reports/a1d7b37f-5033-4848-a4b4-888eb82c2195/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3c969a06b2e8fe7fc4ad81ca5005713f4c9638c6ad36be3949fea7a0cea62204
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/95887e99-ec01-440e-bbbb-751bc7c2a5ad
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1338090
Signature
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1338090 Sample: Request_List.exe Startdate: 07/11/2023 Architecture: WINDOWS Score: 100 51 www.westcoastmedia.marketing 2->51 53 www.timescopycn.com 2->53 55 17 other IPs or domains 2->55 69 Snort IDS alert for network traffic 2->69 71 Multi AV Scanner detection for domain / URL 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 5 other signatures 2->75 10 Request_List.exe 2 85 2->10         started        signatures3 process4 file5 47 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 10->47 dropped 49 C:\Users\user\AppData\Local\...\System.dll, PE32 10->49 dropped 85 Obfuscated command line found 10->85 14 Request_List.exe 10->14         started        18 cmd.exe 1 10->18         started        20 cmd.exe 1 10->20         started        22 271 other processes 10->22 signatures6 process7 dnsIp8 65 drive.google.com 142.250.217.174, 443, 50149 GOOGLEUS United States 14->65 67 googlehosted.l.googleusercontent.com 142.250.64.129, 443, 50150 GOOGLEUS United States 14->67 87 Maps a DLL or memory area into another process 14->87 24 VTsxCtOTcFCCGLfTbPFozrYflS.exe 14->24 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 22->32         started        34 conhost.exe 22->34         started        36 267 other processes 22->36 signatures9 process10 process11 38 chkdsk.exe 24->38         started        dnsIp12 57 8.212.100.138, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 38->57 77 Tries to steal Mail credentials (via file / registry access) 38->77 79 Tries to harvest and steal browser information (history, passwords, etc) 38->79 81 Writes to foreign memory regions 38->81 83 3 other signatures 38->83 42 VTsxCtOTcFCCGLfTbPFozrYflS.exe 38->42 injected 45 firefox.exe 38->45         started        signatures13 process14 dnsIp15 59 www.633922.com 103.120.80.111, 50168, 50169, 50170 WEST263GO-HKWest263InternationalLimitedHK Hong Kong 42->59 61 parkingpage.namecheap.com 91.195.240.19, 50152, 50153, 50154 SEDO-ASDE Germany 42->61 63 10 other IPs or domains 42->63
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c969a06b2e8fe7fc4ad81ca5005713f4c9638c6ad36be3949fea7a0cea62204
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c969a06b2e8fe7fc4ad81ca5005713f4c9638c6ad36be3949fea7a0cea62204/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2023-11-06 09:08:58 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hsljubvs5d7h7rfnqhffablrh5gjmoggvu3l4okj72t2btvgeica._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/231107-jnnt9seg47/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
Link:
https://www.unpac.me/results/ccd5b5a0-0c84-45a4-9d99-bc411c0653c9/
SH256 hash:
bcb93204bd1854d0c34fa30883bab51f6813ab32abf7fb7d4aeed21d71f6af87
MD5 hash:
6c881f00ba860b17821d8813aa34dbc6
SHA1 hash:
0e5a1e09b1ce1bc758d6977b913a8d9ccbe52a13
Link:
https://www.unpac.me/results/ccd5b5a0-0c84-45a4-9d99-bc411c0653c9/
SH256 hash:
832da3cff792135ecb98f44c387bea3a8e2e9bd096b917303ca8b9dc71d60365
MD5 hash:
50a9396a761bf245ed4df1b08782d6f2
SHA1 hash:
e01a99100e91801abe074341b0c77cca6220f0bd
Link:
https://www.unpac.me/results/ccd5b5a0-0c84-45a4-9d99-bc411c0653c9/
SH256 hash:
3c969a06b2e8fe7fc4ad81ca5005713f4c9638c6ad36be3949fea7a0cea62204
MD5 hash:
11721c1424b078103ca0f539072a9f15
SHA1 hash:
35df258e80d01962ce01009003d783ae5cdb98be
Link:
https://www.unpac.me/results/ccd5b5a0-0c84-45a4-9d99-bc411c0653c9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3c969a06b2e8fe7fc4ad81ca5005713f4c9638c6ad36be3949fea7a0cea62204

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
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

GuLoader

Executable exe 3c969a06b2e8fe7fc4ad81ca5005713f4c9638c6ad36be3949fea7a0cea62204

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments