MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206. 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


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206
SHA3-384 hash: 1f12787c4736885cc74f2dd1bcf565c2c8e89d66a35d2130848081b1ae05ec7b715c173b75d8af5b49eb46e9fd017be5
SHA1 hash: 96536fc2d6f16c232c909ebceff3a09e018a9ac3
MD5 hash: 50451ff662100cffd50b4618c7be9bed
humanhash: pizza-seven-princess-twenty
File name:TNOR_CYCLE_C2_220006954787_32106010359796_E_BDA_0_E_20221211_112633·pdf.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:662'088 bytes
First seen:2023-02-13 15:27:43 UTC
Last seen:2023-02-16 15:35:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 57e98d9a5a72c8d7ad8fb7a6a58b3daf (60 x GuLoader, 20 x AZORult, 12 x RemcosRAT)
ssdeep 6144:c5plzoM8/pUVYPcEHFGkyB+7iCPotKAlcmN4qo790lmluR8aJ869JWj9e0Vwj8vS:Zf1PcEH48iujqw0sVC869aeFar/BPo
Threatray 18'543 similar samples on MalwareBazaar
TLSH T1CCE4F040B6A1C9B7C916023388B6D7216774FD049A4E4F2B328DB71EAD7329F391B785
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)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:atwirl
Issuer:atwirl
Algorithm:sha256WithRSAEncryption
Valid from:2022-11-29T05:04:04Z
Valid to:2025-11-28T05:04:04Z
Serial number: -27be558ce3cd50ae
Thumbprint Algorithm:SHA256
Thumbprint: 87ff12876165a03a1b2073ad3009d2347d365fdb492091efa96a30216d906364
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
219
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TNOR_CYCLE_C2_220006954787_32106010359796_E_BDA_0_E_20221211_112633·pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-13 15:34:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/47228e61-d9e8-4516-b67c-9146d9399df2

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/365152/
Detection(s):
SecuriteInfo.com.Trojan.Inject.31120.591.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PWS.Banker1.30494.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ea5704843466d9d5fe3c9f/reports/1d215ea9-cd86-44e2-ad5d-3014acb08141/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206
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/8fba7eac-052f-4d5e-b832-1d574e09072c
Result
Threat name:
NanoCore, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173502
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 806294 Sample: TNOR_CYCLE_C2_220006954787_... Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 44 googlehosted.l.googleusercontent.com 2->44 46 drive.google.com 2->46 48 doc-0c-ac-docs.googleusercontent.com 2->48 62 Snort IDS alert for network traffic 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 5 other signatures 2->68 9 TNOR_CYCLE_C2_220006954787_32106010359796_E_BDA_0_E_20221211_112633#U00b7pdf.exe 1 29 2->9         started        13 CasPol.exe 4 2->13         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\showauth.dat, PE32+ 9->38 dropped 40 C:\Users\user\AppData\...\ConsolePauser.exe, PE32 9->40 dropped 42 C:\Users\user\AppData\Local\...\System.dll, PE32 9->42 dropped 70 Writes to foreign memory regions 9->70 72 Tries to detect Any.run 9->72 15 CasPol.exe 1 19 9->15         started        20 CasPol.exe 9->20         started        22 CasPol.exe 9->22         started        24 conhost.exe 13->24         started        signatures6 process7 dnsIp8 50 masterpat0nms672ns.duckdns.org 192.169.69.26, 3498, 49838, 49839 WOWUS United States 15->50 52 drive.google.com 142.250.185.238, 443, 49836 GOOGLEUS United States 15->52 54 googlehosted.l.googleusercontent.com 172.217.16.193, 443, 49837 GOOGLEUS United States 15->54 32 C:\Users\user\AppData\Roaming\...\run.dat, data 15->32 dropped 34 C:\Users\user\AppData\Local\...\tmpBE4D.tmp, XML 15->34 dropped 36 C:\Users\user\...\Tinglysningsmssigt.exe, PE32 15->36 dropped 56 Tries to detect Any.run 15->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->58 26 schtasks.exe 1 15->26         started        28 conhost.exe 15->28         started        60 Uses schtasks.exe or at.exe to add and modify task schedules 20->60 file9 signatures10 process11 process12 30 conhost.exe 26->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2023-02-13 14:03:48 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
8 of 39 (20.51%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mkivm5sfjdj33pagfxqr62wydg5q27iwnkwdhgyem5egdx2seida._file
Verdict:
suspicious
Similar samples:
0cb6636748ff6a60ebf1a4644a7b4c877f8a19edd8c7a2eac10b34d1bd7cbfbf
GuLoader
199bd66bf9f7b299ebf9068feb2e8648404097e26f86cabc5462973769d24df5
GuLoader
482f10e5f1825368c6cdacf482febf39ed6d035ce866aded813d18890cf86dca
GuLoader
dfee1fc781f6414edcd5fe23fd87e05ff7940ff6f02c409e5f8ba9bbd34b0c04
GuLoader
ea3c63e01dc18acb8940dbbe5bec6c3cdcb6c117b6a213b9e7e02c11caeabee0
GuLoader
ef66ea0bcee19ccd3d2771a170ff218a3e43b27f1b18f24e08685cb4d3fe053a
GuLoader
f2a42302b9c4f3e6c1e2e5d15dfa09cb41aad80ebc13678c4a412f77d4141ca0
GuLoader
+ 18'533 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/230213-swbpcaeb62/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
MD5 hash:
fbe295e5a1acfbd0a6271898f885fe6a
SHA1 hash:
d6d205922e61635472efb13c2bb92c9ac6cb96da
Link:
https://www.unpac.me/results/16c3626d-9f37-4367-af47-3309d5b38ca5/
SH256 hash:
6c7d6974e13ca3387fc32d52b6ddf48daab0b49bbaa4c08737f805ea4faf94a2
MD5 hash:
d8346645a9ec58108a21af6f6cdfd2a1
SHA1 hash:
920a0cad9c993f52ef01d08f67cac99ac8832be9
Link:
https://www.unpac.me/results/16c3626d-9f37-4367-af47-3309d5b38ca5/
SH256 hash:
629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206
MD5 hash:
50451ff662100cffd50b4618c7be9bed
SHA1 hash:
96536fc2d6f16c232c909ebceff3a09e018a9ac3
Link:
https://www.unpac.me/results/16c3626d-9f37-4367-af47-3309d5b38ca5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.02
Link:
https://yomi.yoroi.company/submissions/629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206

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

File information

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

Malspam

GuLoader

Executable exe 629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/365152/

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