MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d184eebb08b5c307945c25f3f355a191802574b12449f707891ffd4697a84efd. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d184eebb08b5c307945c25f3f355a191802574b12449f707891ffd4697a84efd
SHA3-384 hash: f59b782a1646f1b1efb20002e457eeb792fea5db9ccda20c751412dd767c4018b5e1dfe6d8ab6af1622158e58d82b34b
SHA1 hash: 33691640ba04a5d98a00aa76182921c4813ab06f
MD5 hash: 7b4b39d78ea097f76cd945067e76a50c
humanhash: lima-mexico-yellow-october
File name:DHL Scanned Ref_PST2204022 NOTE.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:334'279 bytes
First seen:2023-08-01 10:38:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:TQ606x7lEdBN1MNVzC6a5TKdDv6u+zgsBwVwMr3hrB6JIyy8G:3EdBN1MTdwTO6cd9h16By8G
Threatray 927 similar samples on MalwareBazaar
TLSH T19764E007BA2C835FD79D8AB2387903728B49EFA30650AD4ABBD1FE6D153225D6C031D5
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 e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter abuse_ch
Tags:DHL exe GuLoader RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Scanned Ref_PST2204022 NOTE.exe
Verdict:
Suspicious activity
Analysis date:
2023-08-01 10:40:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ba95b86b-97e0-4ecb-a5a9-fca292e16518

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/439532/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64c8e0c7a108b876ac84ba91/reports/e8621f8f-6095-42a1-871c-104959f81c81/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/d184eebb08b5c307945c25f3f355a191802574b12449f707891ffd4697a84efd
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/50f958df-7034-428a-ad73-e96d6f2fec62
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1283615
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Found malware configuration
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1283615 Sample: DHL_Scanned_Ref_PST2204022_... Startdate: 01/08/2023 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 5 other signatures 2->67 8 DHL_Scanned_Ref_PST2204022_NOTE.exe 1 33 2->8         started        12 Forkvakle.exe 21 2->12         started        14 Black.exe 21 2->14         started        process3 file4 49 C:\Users\user\AppData\Local\...\System.dll, PE32 8->49 dropped 75 Tries to detect Any.run 8->75 16 DHL_Scanned_Ref_PST2204022_NOTE.exe 3 12 8->16         started        51 C:\Users\user\AppData\Local\...\System.dll, PE32 12->51 dropped 77 Antivirus detection for dropped file 12->77 21 Forkvakle.exe 12->21         started        53 C:\Users\user\AppData\Local\...\System.dll, PE32 14->53 dropped 23 WerFault.exe 21 14->23         started        25 WerFault.exe 14->25         started        signatures5 process6 dnsIp7 59 66.63.163.71, 50302, 50307, 80 ASN-QUADRANET-GLOBALUS United States 16->59 41 C:\Users\user\AppData\...\Forkvakle.exe, PE32 16->41 dropped 43 C:\ProgramData\Black\Black.exe, PE32 16->43 dropped 45 C:\ProgramData\...\Black.exe:Zone.Identifier, ASCII 16->45 dropped 69 Creates multiple autostart registry keys 16->69 71 Tries to detect Any.run 16->71 27 Black.exe 21 16->27         started        47 C:\Users\user\AppData\Roaming\...\Black.exe, PE32 21->47 dropped 73 Creates autostart registry keys with suspicious names 21->73 31 Black.exe 21->31         started        file8 signatures9 process10 file11 55 C:\Users\user\AppData\Local\...\System.dll, PE32 27->55 dropped 79 Antivirus detection for dropped file 27->79 33 WerFault.exe 21 16 27->33         started        35 WerFault.exe 27->35         started        57 C:\Users\user\AppData\Local\...\System.dll, PE32 31->57 dropped 37 WerFault.exe 31->37         started        39 WerFault.exe 31->39         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d184eebb08b5c307945c25f3f355a191802574b12449f707891ffd4697a84efd/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-08-01 08:42:20 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2gco5oyiwxbqpfc4exz7gvnbsgack5frere7ob4jd76unf5ij36q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
1426c1d64ca7c22ccca58c2ccd872e2ed13049c2fe25111192d6de048d9cba80
GuLoader
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83
GuLoader
28100101069ebe8b83ff5a91f8ef75b72cb22ac66ac93b00c2f6831359f2763f
GuLoader
36cf6ced1c9832ffb8bea522b7683ef40a540eb70a4202c0df752b758d31025b
GuLoader
46f34cde2327b419337554aba74d7b380c82d8cfb761cb538d44b1c3e2447430
GuLoader
a0dc108bb4d6bc2c36acf6f8ad2333cffdff1e2276ddd55eb8225edb6e8c0cd7
GuLoader
acf25f959cbb9c5ce26c16792b997f3bdd28927bd23614e466a4bbf2a0322029
GuLoader
b3b189de40e32305a83993fcda0d13f3a84200cd06e7d9549323940c603bff22
GuLoader
c4a1a8af4c1336e8e69e1914959cbf3bc4bfe5221639a163244d19fd60e8af19
GuLoader
dfd5aecc6088baf366549e3a7a163c0a7dec356ff6efaab012408cdb42eb2a94
GuLoader
+ 917 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:client downloader persistence rat
Link:
https://tria.ge/reports/230801-mpyyeafc38/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks QEMU agent file
Executes dropped EXE
Loads dropped DLL
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
66.63.163.71:6371
Unpacked files
SH256 hash:
d184eebb08b5c307945c25f3f355a191802574b12449f707891ffd4697a84efd
MD5 hash:
7b4b39d78ea097f76cd945067e76a50c
SHA1 hash:
33691640ba04a5d98a00aa76182921c4813ab06f
Link:
https://www.unpac.me/results/7ba2aa2a-0c4d-4bfb-8969-d739cef2bc55/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d184eebb08b5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/d184eebb08b5c307945c25f3f355a191802574b12449f707891ffd4697a84efd

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:QbotStuff
Create hunting rule
Author:anonymous

File information

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

Malspam

GuLoader

Executable exe d184eebb08b5c307945c25f3f355a191802574b12449f707891ffd4697a84efd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/439532/

Comments