MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd
SHA3-384 hash: ad9e29f8e6dd12b6af9b838e67ecb1ccd4577c4136f4ef4260029169ca3b34b68f5e72b961301ef604bca7d7ad40baee
SHA1 hash: dd613aea20737f67bcc5faabd5f6f0eb3425522d
MD5 hash: 6d37f5e29d1c1f2635704bf043a58cd1
humanhash: iowa-nevada-steak-hawaii
File name:6d37f5e29d1c1f2635704bf043a58cd1
Download: download sample
Signature GuLoader
Create hunting rule
File size:2'320'044 bytes
First seen:2024-01-01 04:10:53 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 49152:Bl+AMxinT6x5W2ijhIlbJZ7a07xznKMj5RyXE1ID12oWBZ:BIAMxuu5W2Zm+xznKMj58aIxF6Z
Threatray 8 similar samples on MalwareBazaar
TLSH T1DAB533B482F68C46C11593B4AA265B31DCCADC5C9148FFE68721FA7024BBBC5731F64A
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
300
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Win.Packed.Msilheracles-10017861-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% subdirectories
Modifying a system file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65923b57d48681e0d666f9f8/reports/b2b50584-c4ff-458f-b427-1a185fc98278/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f46642ea-8fca-4d1c-a3d6-8931a63e5a72
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1368475
Signature
.NET source code contains potential unpacker
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1368475 Sample: vSkOgfHT1t.exe Startdate: 01/01/2024 Architecture: WINDOWS Score: 64 82 su.eda1.ru 2->82 86 Multi AV Scanner detection for dropped file 2->86 88 Multi AV Scanner detection for submitted file 2->88 90 .NET source code contains potential unpacker 2->90 92 Machine Learning detection for sample 2->92 15 KKMAgent.exe 15 34 2->15         started        19 vSkOgfHT1t.exe 6 68 2->19         started        21 KKMAgent.exe 3 2->21         started        signatures3 process4 dnsIp5 84 su.eda1.ru 213.189.216.94, 443, 49707, 49711 INTERNET-PRO-ASRU Russian Federation 15->84 50 C:\Users\user\AppData\Local\...\tmpD969.tmp, PE32 15->50 dropped 52 C:\Users\user\AppData\...\kkm.exe (copy), PE32 15->52 dropped 23 kkm.exe 27 15->23         started        54 C:\Users\user\AppData\...\uninstall.exe, PE32 19->54 dropped 56 C:\Users\user\AppData\Roaming\...\TSCLIB.dll, PE32 19->56 dropped 58 C:\Users\user\AppData\...\SushkofWin32Lib.dll, PE32 19->58 dropped 60 15 other files (13 malicious) 19->60 dropped file6 process7 file8 68 C:\Users\user\AppData\Roaming\...\KKMLib.dll, PE32 23->68 dropped 70 C:\Users\user\AppData\Local\...\nsProcess.dll, PE32 23->70 dropped 26 KKMAgent.exe 22 23->26         started        process9 file10 74 C:\Users\user\AppData\Local\Temp\tmpBF2.tmp, PE32 26->74 dropped 29 kkm.exe 26->29         started        process11 file12 78 C:\Users\user\AppData\Local\...\nsProcess.dll, PE32 29->78 dropped 32 KKMAgent.exe 29->32         started        process13 file14 62 C:\Users\user\AppData\Local\...\tmp703A.tmp, PE32 32->62 dropped 35 kkm.exe 32->35         started        process15 file16 64 C:\Users\user\AppData\Local\...\nsProcess.dll, PE32 35->64 dropped 38 KKMAgent.exe 35->38         started        process17 file18 66 C:\Users\user\AppData\Local\...\tmp9621.tmp, PE32 38->66 dropped 41 kkm.exe 38->41         started        process19 file20 72 C:\Users\user\AppData\Local\...\nsProcess.dll, PE32 41->72 dropped 44 KKMAgent.exe 41->44         started        process21 file22 76 C:\Users\user\AppData\Local\...\tmpB34E.tmp, PE32 44->76 dropped 47 kkm.exe 44->47         started        process23 file24 80 C:\Users\user\AppData\Local\...\nsProcess.dll, PE32 47->80 dropped
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2024-01-01 04:11:10 UTC
File Type:
PE (Exe)
Extracted files:
206
AV detection:
17 of 22 (77.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yrpaxrmuplebihooqmc36mfm5qznftxenl6gj3ekndggjchcq36q._file
Verdict:
unknown
Similar samples:
0eb49cae715e2f31551ea4afa64045540ed77ab891ba1864660b74af64a16971
GuLoader
1f0c96d7ee0d9664c0085394604a9137abc292a52c871f4bc3b5245627961573
GuLoader
36b82f3db4e4b1da53252cf0f99ecfab17a09b29783e7c9881f48fe5da6645be
GuLoader
893e517f08913e1199a8c77dcc77302c7474cfe4f202c956f4d602d38d777b42
GuLoader
93ef4244ed371d4be51955474c1713769f7973200030d8d7a5c61877236bcb3c
GuLoader
c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd
GuLoader
d2d3341ddcf1ff2a33413e05391689db8b17d1666b37bd4ef8f7ae3d73ef4352
GuLoader
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/240101-erx5wsbcgl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Adds Run key to start application
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd
MD5 hash:
6d37f5e29d1c1f2635704bf043a58cd1
SHA1 hash:
dd613aea20737f67bcc5faabd5f6f0eb3425522d
Link:
https://www.unpac.me/results/4a619e98-4516-43da-b039-15f1d8812978/
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/c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd

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: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.

Web download

GuLoader

Executable exe c45e0bc5947ac8141dce8305bf30acec32d2cee46afc64ec8a68cc6488e286fd

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2745592/

Comments


Avatar
zbet commented on 2024-01-01 04:10:54 UTC

url : hxxp://su.eda1.ru/dist/kkm/kkm_2335.exe