MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fed0ecd2eaf8028eddfefd92b374bf515059a07daf18f30fb1e4faf9b1d4c3c2. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: fed0ecd2eaf8028eddfefd92b374bf515059a07daf18f30fb1e4faf9b1d4c3c2
SHA3-384 hash: 94891d8232ae21c8d8881ddf80fd429eb2b868293778ef6fed559add9ed9d196b196de645e0fb436dedd28068dc02e0b
SHA1 hash: e1ffbf612906e2973e0ddbc11c15e550a490122a
MD5 hash: d983cac84e56d54293702d8c0db7bde1
humanhash: missouri-ink-november-delta
File name:RMS RFQ#2110474566500464 202407231.docx.com
Download: download sample
Signature GuLoader
File size:549'898 bytes
First seen:2024-07-31 10:20:55 UTC
Last seen:2024-07-31 10:21:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3f91aceea750f765ef2ba5d9988e6a00 (45 x GuLoader, 9 x RemcosRAT, 7 x Loki)
ssdeep 12288:FS4no4u8XXmPSVGYu4AABq1sBT02EXw/Z4lPzW/RKOFfJpIYCR:o4nofmXmKVjTAAs16Y2EXsZAWpKOFfkp
TLSH T160C41243235ADEA3E9F24430D83ADEFE46AAAD04D8755A136BD93C93BC316014F39356
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 :
378
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RMS RFQ#2110474566500464 202407231.docx.com
Verdict:
No threats detected
Analysis date:
2024-07-31 10:22:30 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
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
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:
GuLoader, Remcos
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
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
Machine Learning detection for sample
Maps a DLL or memory area into another process
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1485275 Sample: RMS RFQ#2110474566500464 20... Startdate: 31/07/2024 Architecture: WINDOWS Score: 100 25 geoplugin.net 2->25 37 Found malware configuration 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Detected unpacking (changes PE section rights) 2->41 43 9 other signatures 2->43 8 RMS RFQ#2110474566500464 202407231.docx.com.exe 5 38 2->8         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\...\System.dll, PE32 8->23 dropped 45 Opens the same file many times (likely Sandbox evasion) 8->45 12 RMS RFQ#2110474566500464 202407231.docx.com.exe 3 14 8->12         started        signatures6 process7 dnsIp8 27 138.201.213.183, 24465, 49776, 49777 HETZNER-ASDE Germany 12->27 29 geoplugin.net 178.237.33.50, 49779, 80 ATOM86-ASATOM86NL Netherlands 12->29 47 Detected Remcos RAT 12->47 49 Maps a DLL or memory area into another process 12->49 16 RMS RFQ#2110474566500464 202407231.docx.com.exe 1 12->16         started        19 RMS RFQ#2110474566500464 202407231.docx.com.exe 1 12->19         started        21 RMS RFQ#2110474566500464 202407231.docx.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
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2024-07-31 10:21:06 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader collection credential_access discovery downloader spyware stealer
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
Unpacked files
SH256 hash:
f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
MD5 hash:
d6f54d2cefdf58836805796f55bfc846
SHA1 hash:
b980addc1a755b968dd5799179d3b4f1c2de9d2d
SH256 hash:
fed0ecd2eaf8028eddfefd92b374bf515059a07daf18f30fb1e4faf9b1d4c3c2
MD5 hash:
d983cac84e56d54293702d8c0db7bde1
SHA1 hash:
e1ffbf612906e2973e0ddbc11c15e550a490122a
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:NSIS_April_2024
Author:NDA0N
Description:Detects NSIS installers

File information


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

Malspam

GuLoader

Executable exe fed0ecd2eaf8028eddfefd92b374bf515059a07daf18f30fb1e4faf9b1d4c3c2

(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

Comments