MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42255a4e5282b8cbfb2ca5e570ce44524c5a44e3a429211a7f5f9847f4445ece. 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: 42255a4e5282b8cbfb2ca5e570ce44524c5a44e3a429211a7f5f9847f4445ece
SHA3-384 hash: b6ff8c53080d1dd594f4227cbd67c2234b05b08da07a276fd42d3e720078e874c0a8c418caeb514fda6647174407c04f
SHA1 hash: 7db35a6c6b73dd0616d7670bb5e8369d28d757ce
MD5 hash: 10ac8a2a69f83bd7731aa5f561239e2a
humanhash: spaghetti-enemy-april-three
File name:sidegreen.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:295'336 bytes
First seen:2022-08-15 06:55:53 UTC
Last seen:2022-08-15 07:34:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (296 x GuLoader, 51 x RemcosRAT, 51 x VIPKeylogger)
ssdeep 6144:L3hqL2V8Q1dS99BZmU1gz5OoycY0daruaD2IMX2Bis62MryFecHG5:L3xj1d6mO0Ooycg2T2nSFl
TLSH T1CE5401812365C273EE490B3409A6DB274BB4AC25BEE9CA5B23E97C4E7471342741F67C
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 64dbdbd9e98999dc (4 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Aestethic Teenybop Voldshandlinger
Issuer:Aestethic Teenybop Voldshandlinger
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-08T11:20:35Z
Valid to:2025-08-07T11:20:35Z
Serial number: -497f5a5869204a3f
Thumbprint Algorithm:SHA256
Thumbprint: af6030374b22b4701462c624b7f5afac3d90efadcce551512d099a619abbda07
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sidegreen.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 07:00:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/080822ba-9e21-4cf3-968d-9c140817ceba

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/298579/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61223472.30373.2170.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a 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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/28959/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62f9ee95f6ec33747dae305b/reports/90238d9b-0906-4e12-8a6f-2e60675b5a6f/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/ca046a1c-abbe-4f05-ace3-c94f8be42672
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051331
Signature
Mass process execution to delay analysis
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: 683841 Sample: sidegreen.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 42 mail.ilhanmatbaa.com.tr 2->42 44 ilhanmatbaa.com.tr 2->44 46 3 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected GuLoader 2->56 58 Yara detected AgentTesla 2->58 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->60 8 sidegreen.exe 1 32 2->8         started        signatures3 process4 file5 34 C:\Users\user\Sixhynde\...\libbz2-1.dll, PE32+ 8->34 dropped 36 C:\...\System.IO.Compression.ZipFile.dll, PE32+ 8->36 dropped 38 C:\Users\user\...behaviorgraphameVisualPlugin.Helper.dll, PE32+ 8->38 dropped 40 2 other files (none is malicious) 8->40 dropped 62 Obfuscated command line found 8->62 64 Writes to foreign memory regions 8->64 66 Mass process execution to delay analysis 8->66 68 Tries to detect Any.run 8->68 12 CasPol.exe 11 8->12         started        16 CasPol.exe 8->16         started        18 cmd.exe 8->18         started        20 63 other processes 8->20 signatures6 process7 dnsIp8 48 googlehosted.l.googleusercontent.com 142.250.185.225, 443, 49797 GOOGLEUS United States 12->48 50 drive.google.com 172.217.16.206, 443, 49796 GOOGLEUS United States 12->50 52 ilhanmatbaa.com.tr 217.195.198.162, 49798, 587 ASFIBERSUNUCUTR Turkey 12->52 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->70 72 Tries to steal Mail credentials (via file / registry access) 12->72 74 Tries to harvest and steal ftp login credentials 12->74 80 2 other signatures 12->80 22 conhost.exe 12->22         started        76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->78 24 Conhost.exe 18->24         started        26 Conhost.exe 20->26         started        28 Conhost.exe 20->28         started        30 Conhost.exe 20->30         started        32 60 other processes 20->32 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42255a4e5282b8cbfb2ca5e570ce44524c5a44e3a429211a7f5f9847f4445ece/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-08-08 20:55:50 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iisvutssqk4mx6zmuxsxbtsekjgfurhduquscgt7l6mep5cel3ha._file
Verdict:
malicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/220815-hqdlmsffam/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
5e66489393f159aa0fd30b630bb345d03418e9324e7d834b2e4195865a637cfe
MD5 hash:
4c77a65bb121bb7f2910c1fa3cb38337
SHA1 hash:
94531e3c6255125c1a85653174737d275bc35838
Link:
https://www.unpac.me/results/ff06b6da-7daa-47ca-b940-dcf7f183ede2/
SH256 hash:
1ece965ac1a7410c56c47532a43dd7e5b4db0263a8dca53f0554f7ff16003a8c
MD5 hash:
df3e949ba7901c3520698d403c7f1f5c
SHA1 hash:
6cd0bcdcd433cea81f90ecc1bf4e92e9a0d8fde2
Link:
https://www.unpac.me/results/ff06b6da-7daa-47ca-b940-dcf7f183ede2/
SH256 hash:
42255a4e5282b8cbfb2ca5e570ce44524c5a44e3a429211a7f5f9847f4445ece
MD5 hash:
10ac8a2a69f83bd7731aa5f561239e2a
SHA1 hash:
7db35a6c6b73dd0616d7670bb5e8369d28d757ce
Link:
https://www.unpac.me/results/ff06b6da-7daa-47ca-b940-dcf7f183ede2/
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/42255a4e5282b8cbfb2ca5e570ce44524c5a44e3a429211a7f5f9847f4445ece

File information

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

Malspam

GuLoader

Executable exe 42255a4e5282b8cbfb2ca5e570ce44524c5a44e3a429211a7f5f9847f4445ece

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298579/

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