MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e7c3562b98d4904a9018f74babd13ba0b46ec24dc9304afa35603a8f3ff2ccc. 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


RemcosRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e7c3562b98d4904a9018f74babd13ba0b46ec24dc9304afa35603a8f3ff2ccc
SHA3-384 hash: 9dc1746c25877173dcda3eeb0f6ca16523b7ad04a8dcaf4e3e7a2de15629bb7ed24f36dd73d238a2cb9956eda101fbe1
SHA1 hash: a9a53fad1b528081ae647bbef228cff80d2a94e0
MD5 hash: ea6d17cca4cf4d2f2b5c840f371d1a04
humanhash: four-yellow-idaho-potato
File name:EXP263 Decora Group ARKU8341370 1x40.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:473'224 bytes
First seen:2024-05-06 08:41:19 UTC
Last seen:2024-05-21 10:29:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (115 x GuLoader, 54 x Formbook, 40 x VIPKeylogger)
ssdeep 6144:0XFKo5xWzMenY/NtnbTxhEI8OjBasnbvhIgLtedC+UcPHnsTj+axCfOgArKTri:0XYnY/NtnbT8INas5IgLtc+ck6fOgW
TLSH T14BA4CD0B2A55C432FDB31AB0CD62D6FA5A746DC0F950864F32E47E5FB935241BA3122B
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)
File icon (PE):PE icon
dhash icon 43e0e0c8d971b3c5 (2 x RemcosRAT, 2 x GuLoader)
Reporter lowmal3
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:Berigende
Issuer:Berigende
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-09T08:18:41Z
Valid to:2026-05-08T08:18:41Z
Serial number: 296afd3e5ffaff79c3a1c1006d35b162d66271c2
Thumbprint Algorithm:SHA256
Thumbprint: 592973fd502e770916bf0ecd873b659c3afdf753489bcde2da1d3f802e8b0522
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
4
# of downloads :
335
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
EXP263 Decora Group ARKU8341370 1x40.exe
Verdict:
Malicious activity
Analysis date:
2024-05-06 05:48:51 UTC
Tags:
rat remcos keylogger stealer remote evasion
Link:
https://app.any.run/tasks/a396b1da-cc6e-42e3-9ce1-7ca603101856

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

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Launching a process
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/663897db54aa07c307ecdf3e/reports/ee0a6e75-c78c-463c-b882-fe1fc7c7811a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1e7c3562b98d4904a9018f74babd13ba0b46ec24dc9304afa35603a8f3ff2ccc
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b0bf4ca7-fc30-4580-8e1b-464a5c79a930
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1436655
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Installs a global keyboard hook
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell drops PE file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Snort IDS alert for network traffic
Suspicious powershell command line found
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)
Uses dynamic DNS services
Writes to foreign memory regions
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: 1436655 Sample: EXP263  Decora Group  ARKU8... Startdate: 06/05/2024 Architecture: WINDOWS Score: 100 46 learfo55ozj02.duckdns.org 2->46 48 ricohltd.top 2->48 50 geoplugin.net 2->50 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 66 14 other signatures 2->66 10 EXP263  Decora Group  ARKU8341370  1x40.exe 1 41 2->10         started        signatures3 64 Uses dynamic DNS services 46->64 process4 file5 42 C:\Users\user\AppData\...\Slubrendes.Par, ASCII 10->42 dropped 74 Suspicious powershell command line found 10->74 14 powershell.exe 20 10->14         started        signatures6 process7 file8 44 EXP263  Decora Gro...KU8341370  1x40.exe, PE32 14->44 dropped 82 Obfuscated command line found 14->82 84 Writes to foreign memory regions 14->84 86 Found suspicious powershell code related to unpacking or dynamic code loading 14->86 88 2 other signatures 14->88 18 wab.exe 5 15 14->18         started        23 conhost.exe 14->23         started        25 cmd.exe 1 14->25         started        signatures9 process10 dnsIp11 52 learfo55ozj02.duckdns.org 193.222.96.21, 29871, 49710, 49711 SWISSCOMSwisscomSwitzerlandLtdCH Germany 18->52 54 ricohltd.top 172.67.191.112, 443, 49708 CLOUDFLARENETUS United States 18->54 56 geoplugin.net 178.237.33.50, 49712, 80 ATOM86-ASATOM86NL Netherlands 18->56 40 C:\Users\user\AppData\Roaming\fvberms.dat, data 18->40 dropped 68 Maps a DLL or memory area into another process 18->68 70 Hides threads from debuggers 18->70 72 Installs a global keyboard hook 18->72 27 wab.exe 1 18->27         started        30 wab.exe 1 18->30         started        32 wab.exe 14 18->32         started        34 2 other processes 18->34 file12 signatures13 process14 signatures15 76 Tries to steal Instant Messenger accounts or passwords 27->76 78 Tries to harvest and steal browser information (history, passwords, etc) 27->78 80 Tries to steal Mail credentials (via file / registry access) 30->80 36 conhost.exe 34->36         started        38 reg.exe 1 1 34->38         started        process16
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1e7c3562b98d4904a9018f74babd13ba0b46ec24dc9304afa35603a8f3ff2ccc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e7c3562b98d4904a9018f74babd13ba0b46ec24dc9304afa35603a8f3ff2ccc/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dz6dkyvzrveqjkibr52lvpitxifun3be3sjqjl5dkyb2r477ftga._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader execution persistence
Link:
https://tria.ge/reports/240506-kl1ayseg8y/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Guloader,Cloudeye
Unpacked files
SH256 hash:
1e7c3562b98d4904a9018f74babd13ba0b46ec24dc9304afa35603a8f3ff2ccc
MD5 hash:
ea6d17cca4cf4d2f2b5c840f371d1a04
SHA1 hash:
a9a53fad1b528081ae647bbef228cff80d2a94e0
Link:
https://www.unpac.me/results/88808577-9d87-4b27-9fdd-eb23357d05a8/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1e7c3562b98d/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/1e7c3562b98d4904a9018f74babd13ba0b46ec24dc9304afa35603a8f3ff2ccc

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
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

RemcosRAT

Executable exe 1e7c3562b98d4904a9018f74babd13ba0b46ec24dc9304afa35603a8f3ff2ccc

(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_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
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