MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61. 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: 14


Intelligence 14 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61
SHA3-384 hash: a237d69e57a42e1ff73780015243404d2c60a61329a1d208bbdb7c2447ee34158a7d7c671147ab64a8c3be69777088ee
SHA1 hash: 8225de9c75bae8d853cfa5fb161a3f807bdb8b13
MD5 hash: 25006dcff7b775fb32372a1a4a437be0
humanhash: potato-mississippi-may-wolfram
File name:PaymentAdvice_JUL-30-BSSSG01-072024-000218.com
Download: download sample
Signature GuLoader
Create hunting rule
File size:547'378 bytes
First seen:2024-07-31 10:21:19 UTC
Last seen:2024-07-31 11:34:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3f91aceea750f765ef2ba5d9988e6a00 (45 x GuLoader, 9 x RemcosRAT, 7 x Loki)
ssdeep 12288:FS4no4u8XXTLM/J1uXTltTZRwblsYR11wA7akFPznfXb0p6cqCHeUOIYC3:o4nofmXPuJ0lFwhs3Wak1bPIcc1eUOIP
Threatray 118 similar samples on MalwareBazaar
TLSH T1C1C41242DBA5DCA6D9F710B0C4A2DAF7531A9E08D8766207BFD4BE533CB5040CE2D262
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) (4504/4/1)
Reporter abuse_ch
Tags:com exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
379
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PaymentAdvice_JUL-30-BSSSG01-072024-000218.com
Verdict:
No threats detected
Analysis date:
2024-07-31 10:22:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/be788c50-dcfe-403c-bf3f-3241544b566e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66aa104f037b02d0daecbad7
Tags:
Encryption Generic Inject
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Delayed reading of the file
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin masquerade microsoft_visual_cc overlay packed shell32
Link:
https://www.filescan.io/uploads/66aa10564c5c17942a80aaf5/reports/a3bd8eab-7f26-4d23-a116-b7cbd4e52984/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/d0e81843-172b-4707-b98f-b68b85179d4b
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1485279
Signature
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
Sigma detected: Remcos
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1485279 Sample: PaymentAdvice_JUL-30-BSSSG0... Startdate: 31/07/2024 Architecture: WINDOWS Score: 100 25 geoplugin.net 2->25 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 6 other signatures 2->43 8 PaymentAdvice_JUL-30-BSSSG01-072024-000218.com.exe 5 37 2->8         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\...\System.dll, PE32 8->23 dropped 45 Detected unpacking (changes PE section rights) 8->45 47 Tries to steal Mail credentials (via file registry) 8->47 49 Opens the same file many times (likely Sandbox evasion) 8->49 51 Switches to a custom stack to bypass stack traces 8->51 12 PaymentAdvice_JUL-30-BSSSG01-072024-000218.com.exe 3 13 8->12         started        signatures6 process7 dnsIp8 27 66.150.198.176, 10110, 49798, 49799 INTERNAP-BLOCK-4US United States 12->27 29 geoplugin.net 178.237.33.50, 49801, 80 ATOM86-ASATOM86NL Netherlands 12->29 53 Detected Remcos RAT 12->53 55 Maps a DLL or memory area into another process 12->55 16 PaymentAdvice_JUL-30-BSSSG01-072024-000218.com.exe 1 12->16         started        19 PaymentAdvice_JUL-30-BSSSG01-072024-000218.com.exe 1 12->19         started        21 PaymentAdvice_JUL-30-BSSSG01-072024-000218.com.exe 2 12->21         started        signatures9 process10 signatures11 31 Tries to steal Instant Messenger accounts or passwords 16->31 33 Tries to harvest and steal browser information (history, passwords, etc) 16->33 35 Tries to steal Mail credentials (via file / registry access) 19->35
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2024-07-31 04:13:19 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ketq6o3a7vwacczuli5iaj6kx7y37k4ddlzod2gxrawvgpqmrnqq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
02873a5d57569be2c4eb7a7b31addacde749430980185cda9c6cbc577ba3f881
GuLoader
411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83
GuLoader
51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61
GuLoader
c7fdd9b509804cf9e1d76b23a3d2c0f9529ec9e227b7e003f146d6d92f0aadb9
GuLoader
d379ffe32dfb2d6d386b6d9c3cbae49e49241ac25a14d2974c286bfa45aa50b9
GuLoader
fed0ecd2eaf8028eddfefd92b374bf515059a07daf18f30fb1e4faf9b1d4c3c2
GuLoader
+ 108 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader collection credential_access discovery downloader spyware stealer
Link:
https://tria.ge/reports/240731-md8cpssere/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Loads dropped DLL
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c1a6db50-4268-4368-9bcd-5ae23a912772
Unpacked files
SH256 hash:
f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
MD5 hash:
d6f54d2cefdf58836805796f55bfc846
SHA1 hash:
b980addc1a755b968dd5799179d3b4f1c2de9d2d
Link:
https://www.unpac.me/results/1138f2d3-ef06-446a-8fda-2880826cb51f/
SH256 hash:
51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61
MD5 hash:
25006dcff7b775fb32372a1a4a437be0
SHA1 hash:
8225de9c75bae8d853cfa5fb161a3f807bdb8b13
Link:
https://www.unpac.me/results/1138f2d3-ef06-446a-8fda-2880826cb51f/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51270f3b60fd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61

File information

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

Malspam

GuLoader

Executable exe 51270f3b60fd6c010b345a3a8027cabff1bfab831af2e1e8d7882d533e0c8b61

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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