MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e8977c63ed912222192ae6dd049abfa6b3633b1319627e932841d350dfeb1aa. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6e8977c63ed912222192ae6dd049abfa6b3633b1319627e932841d350dfeb1aa
SHA3-384 hash: 72d9b5a31e97bbbc6d5be909ad0f9e2300a29b78f8787a963e373b1e83c9c106aed89c37d16a483802a580eea2d82f15
SHA1 hash: 2966471c4ce3a218863bd2b4fb947dfb3463941b
MD5 hash: cf831611c2580ac5ab378b883a60224a
humanhash: maine-red-queen-lamp
File name:remittance copy.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:610'480 bytes
First seen:2022-09-17 07:52:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (385 x GuLoader, 58 x RemcosRAT, 40 x AgentTesla)
ssdeep 6144:SUj/w6e6+p2897x6q+EYzYXkzbrEHal4XT2KOWZ5WP:SqVe6s9FP+aXUrE/2KVZy
TLSH T120D4DFE5FDCAC8D1DA226C704EF5EAE0542F7F7A6C11801A7964374E263389FA531623
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f27170717230c9dc (8 x GuLoader)
Reporter GovCERT_CH
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:revved Almindings Outmost
Issuer:revved Almindings Outmost
Algorithm:sha256WithRSAEncryption
Valid from:2021-10-27T07:11:16Z
Valid to:2024-10-26T07:11:16Z
Serial number: 02dd0fc1349833c2
Thumbprint Algorithm:SHA256
Thumbprint: f71ef6be9049b7991e21552a17de4f3c402c58d1cdae1874a82788c6a0bdf8b7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
479
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
remittance copy.exe
Verdict:
Malicious activity
Analysis date:
2022-09-17 07:53:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3ff08084-4234-4d16-8703-59be55fb9e9d

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/310893/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.28194.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63257d5935180ec88e30808f/reports/54558287-f05c-4b7d-ac96-064ae74df38a/overview
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/4981d09d-dab4-48e8-bbba-d775ddfff128
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1072186
Signature
Antivirus detection for URL or domain
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 704728 Sample: remittance copy.exe Startdate: 17/09/2022 Architecture: WINDOWS Score: 100 57 www.med-luxury-apartment.gr 2->57 59 mfaraday.com 2->59 61 med-luxury-apartment.gr 2->61 71 Multi AV Scanner detection for domain / URL 2->71 73 Antivirus detection for URL or domain 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 4 other signatures 2->77 8 remittance copy.exe 4 40 2->8         started        12 PDeLIuR.exe 2->12         started        14 PDeLIuR.exe 2->14         started        signatures3 process4 file5 47 C:\Users\user\...\lang-2074.dll, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\System.dll, PE32 8->51 dropped 79 Obfuscated command line found 8->79 81 Writes to foreign memory regions 8->81 83 Tries to detect Any.run 8->83 85 Hides threads from debuggers 8->85 16 CasPol.exe 8->16         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        29 295 other processes 8->29 25 conhost.exe 12->25         started        27 conhost.exe 14->27         started        signatures6 process7 dnsIp8 53 med-luxury-apartment.gr 5.134.11.244, 443, 49776 UKNOC-ASGB United Kingdom 16->53 55 mfaraday.com 70.32.23.84, 21, 49777 A2HOSTINGUS United States 16->55 45 C:\Users\user\AppData\Local\...\PDeLIuR.exe, PE32 16->45 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->65 67 Tries to steal Mail credentials (via file / registry access) 16->67 69 6 other signatures 16->69 31 conhost.exe 16->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 29->37         started        39 conhost.exe 29->39         started        41 conhost.exe 29->41         started        43 291 other processes 29->43 file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6e8977c63ed912222192ae6dd049abfa6b3633b1319627e932841d350dfeb1aa/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-09-13 12:37:10 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
10 of 26 (38.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n2exprr63ejceimsvzw5asnl7jvtmm5rgglcp2jsqqotkdp6wgva._file
Verdict:
malicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/220917-jqyr9adcgq/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aa4a03e7-eae7-4f83-9907-bbcaf895e945
Unpacked files
SH256 hash:
7b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
MD5 hash:
c5b9fe538654a5a259cf64c2455c5426
SHA1 hash:
db45505fa041af025de53a0580758f3694b9444a
Link:
https://www.unpac.me/results/a4383acd-e284-42b7-9745-1d19f35defb5/
SH256 hash:
9c309f8f74abb9eaa31277fe69f95ce39b7ecb35af026a209f6e8b836275d14e
MD5 hash:
c3c10e43bc31704640a01e2b8d8b1e41
SHA1 hash:
4d4ca30caa1378e02f8095cab6cf8cd66769df42
Link:
https://www.unpac.me/results/a4383acd-e284-42b7-9745-1d19f35defb5/
SH256 hash:
8c6a95a1bf06c22224ab43bc1a1948f2cb0fd8d7089f2b828033c0fde161d2c2
MD5 hash:
d5bf01b2a316120d3d906e48e850520e
SHA1 hash:
a0e2f1caca1d35c227d231e6063d71ffe1d06322
Link:
https://www.unpac.me/results/a4383acd-e284-42b7-9745-1d19f35defb5/
SH256 hash:
6e8977c63ed912222192ae6dd049abfa6b3633b1319627e932841d350dfeb1aa
MD5 hash:
cf831611c2580ac5ab378b883a60224a
SHA1 hash:
2966471c4ce3a218863bd2b4fb947dfb3463941b
Link:
https://www.unpac.me/results/a4383acd-e284-42b7-9745-1d19f35defb5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/6e8977c63ed912222192ae6dd049abfa6b3633b1319627e932841d350dfeb1aa

File information

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

Malspam

GuLoader

Executable exe 6e8977c63ed912222192ae6dd049abfa6b3633b1319627e932841d350dfeb1aa

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/310893/

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