MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d187bb535c861d8cd346246941e8d58091f65b4b718cd93e1ded1f3f85efbda. 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



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 1d187bb535c861d8cd346246941e8d58091f65b4b718cd93e1ded1f3f85efbda
SHA3-384 hash: 687ca3843756054a961b128a71c280f6ede386e78aee8d5c81614e60ea5e88757f27a7ce8d2eefeb3d1480637ac2785e
SHA1 hash: 94c34a33c244c4e472284274ab55e533eec397b3
MD5 hash: e0f53ac322476d86ed5d7104c3c1cac3
humanhash: mobile-mango-early-nevada
File name:SecuriteInfo.com.Trojan.Siggen21.5781.15305.3117
Download: download sample
File size:1'799'920 bytes
First seen:2024-02-20 05:30:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6b43713c2dcdf19e54a9964767500d9f
ssdeep 24576:QjClfTPLQS8UgFyjGTVLw2JyFRa2FIu4w3CiFOuWkL4HNiFGy6ck9RYP7AB:Q2bzQS8PzLw2Jye3u3SiFskgDf91B
TLSH T1FE85E024E6A24DB9CE2795BCD08A44D7E6ABBDA303C5017717F086D28BA53D0543FF29
TrID 37.7% (.SCR) Windows screen saver (13097/50/3)
30.3% (.EXE) Win64 Executable (generic) (10523/12/4)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.8% (.EXE) OS/2 Executable (generic) (2029/13)
5.7% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 70fcb0b0b0b0f87c (28 x SimpleHelp, 10 x CobaltStrike)
Reporter SecuriteInfoCom
Tags:exe signed

Code Signing Certificate

Organisation:SimpleHelp Ltd
Issuer:COMODO RSA Extended Validation Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2021-02-25T00:00:00Z
Valid to:2024-02-25T23:59:59Z
Serial number: c74f79c78393ebf22858e9ad3914567f
Intelligence: 40 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 472b1939ed7df19bad95512e63ca44aac4d95a7109d31f98a042e45c37a5a630
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
445
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://helpdesk.afon.com.sg/customer/Remote%20Support-windows64-online.exe?language=en&hostname=http://helpdesk.afon.com.sg
Verdict:
No threats detected
Analysis date:
2023-02-02 01:23:30 UTC
Tags:
loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Moving a file to the %AppData% subdirectory
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Replacing files
Launching a process
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint lolbin masquerade overlay packed remote shell32
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.spyw.evad
Score:
63 / 100
Signature
Deletes keys which are related to windows safe boot (disables safe mode boot)
Enables network access during safeboot for specific services
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1394997 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 20/02/2024 Architecture: WINDOWS Score: 63 76 helpdesk.afon.com.sg 2->76 80 Snort IDS alert for network traffic 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 2->84 86 2 other signatures 2->86 10 SecuriteInfo.com.Trojan.Siggen21.5781.15305.3117.exe 262 2->10         started        15 SimpleService.exe 2->15         started        signatures3 process4 dnsIp5 78 helpdesk.afon.com.sg 20.205.229.222, 49708, 49709, 49710 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->78 66 C:\Users\user\AppData\...\session_win.exe, PE32 10->66 dropped 68 C:\Users\user\AppData\...\jwutils_win64.dll, PE32+ 10->68 dropped 70 C:\Users\user\AppData\...\jwutils_win32.dll, PE32 10->70 dropped 72 52 other files (5 malicious) 10->72 dropped 94 Writes a notice file (html or txt) to demand a ransom 10->94 17 Remote Support.exe 41 10->17         started        22 Remote SupportECompatibility.exe 4 10->22         started        24 unpack200.exe 1 10->24         started        30 11 other processes 10->30 26 SimpleService.exe 15->26         started        28 session_win.exe 15->28         started        file6 signatures7 process8 dnsIp9 74 127.0.0.1 unknown unknown 17->74 56 C:\ProgramData\...\SimpleService.exe, PE32 17->56 dropped 58 C:\Users\user\AppData\...\winpty64.dll, PE32+ 17->58 dropped 60 C:\Users\user\AppData\...\winpty-agent64.exe, PE32+ 17->60 dropped 62 8 other files (none is malicious) 17->62 dropped 88 Installs a global keyboard hook 17->88 32 elev_win.exe 17->32         started        34 icacls.exe 17->34         started        36 icacls.exe 17->36         started        38 icacls.exe 17->38         started        90 Deletes keys which are related to windows safe boot (disables safe mode boot) 26->90 40 windowslauncher.exe 28->40         started        file10 signatures11 process12 file13 43 elev_win.exe 32->43         started        45 conhost.exe 34->45         started        47 conhost.exe 36->47         started        49 conhost.exe 38->49         started        64 C:\Users\user\...\Session Elevation Helper, PE32+ 40->64 dropped 51 Session Elevation Helper 40->51         started        process14 process15 53 SimpleService.exe 43->53         started        signatures16 92 Enables network access during safeboot for specific services 53->92
Verdict:
unknown
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
1d187bb535c861d8cd346246941e8d58091f65b4b718cd93e1ded1f3f85efbda
MD5 hash:
e0f53ac322476d86ed5d7104c3c1cac3
SHA1 hash:
94c34a33c244c4e472284274ab55e533eec397b3
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Comments