MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f
SHA3-384 hash: a1da4f8710157229dbf9ac505c0c2be31ec2fec5a462f78cbacea364e78cb027ecce53ce1cd24d34502a42690242b3f1
SHA1 hash: e51bb6c564723d58e3bc5f39673b3d97f69fba55
MD5 hash: de3166b6cc1e83299fa1a4704c3cc674
humanhash: five-earth-uranus-september
File name:z42MNA2024000000041-KWINTMADI-11310Y_K.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:704'480 bytes
First seen:2024-04-19 17:18:51 UTC
Last seen:2024-04-19 18:26:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (385 x GuLoader, 58 x RemcosRAT, 40 x AgentTesla)
ssdeep 12288:P/1iPIsV0cQPysVHoPftGlGlLjxVllYwrJOu8yR9OK8V9Uiyw0Fk:FiPI+QPyeHoXbdZlFYFQs9PX
Threatray 414 similar samples on MalwareBazaar
TLSH T1A0E4F146BB088106D7821B339963C0F24F769C895EF4861F22E47E6B3EFA9977D4D106
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 FXOLabs
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:hospodar
Issuer:hospodar
Algorithm:sha256WithRSAEncryption
Valid from:2023-10-10T06:23:20Z
Valid to:2026-10-09T06:23:20Z
Serial number: 16ef21813709a4d1a2e870187b56536bfe029fb6
Thumbprint Algorithm:SHA256
Thumbprint: de8a5b9bfed5a51f41c0d681e8e25c7e82592da04ad66a649401456634e75801
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
375
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f.exe
Verdict:
Malicious activity
Analysis date:
2024-04-19 17:21:49 UTC
Tags:
rat remcos keylogger remote
Link:
https://app.any.run/tasks/b171456f-7a52-4d40-9efe-5cc60dfd10cd

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
Searching for the window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6622a78c54bafb7d21d3ea95/reports/85f317a5-256c-43da-b6f9-f4c18cd8277e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f
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:
Malicious
Link:
https://analyze.intezer.com/analyses/fb461cf8-a8ac-46e6-ba07-8489ae0ca01c
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1428888
Signature
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
Installs a global keyboard hook
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell drops PE file
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: 1428888 Sample: z42MNA2024000000041-KWINTMA... Startdate: 19/04/2024 Architecture: WINDOWS Score: 100 46 learfo55ozj01.duckdns.org 2->46 48 ricohltd.top 2->48 50 geoplugin.net 2->50 58 Snort IDS alert for network traffic 2->58 60 Found malware configuration 2->60 62 Antivirus detection for URL or domain 2->62 66 9 other signatures 2->66 10 z42MNA2024000000041-KWINTMADI-11310Y_K.exe 3 19 2->10         started        signatures3 64 Uses dynamic DNS services 46->64 process4 file5 42 C:\Users\user\AppData\...behaviorgraphraasteneres.Sfa, ASCII 10->42 dropped 72 Suspicious powershell command line found 10->72 14 powershell.exe 20 10->14         started        signatures6 process7 file8 44 z42MNA202400000004...NTMADI-11310Y_K.exe, PE32 14->44 dropped 80 Obfuscated command line found 14->80 82 Writes to foreign memory regions 14->82 84 Found suspicious powershell code related to unpacking or dynamic code loading 14->84 86 Powershell drops PE file 14->86 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 learfo55ozj01.duckdns.org 193.222.96.21, 29871, 49718, 49719 SWISSCOMSwisscomSwitzerlandLtdCH Germany 18->52 54 ricohltd.top 172.67.191.112, 443, 49717 CLOUDFLARENETUS United States 18->54 56 geoplugin.net 178.237.33.50, 49720, 80 ATOM86-ASATOM86NL Netherlands 18->56 40 C:\Users\user\AppData\Roaming\mqerms.dat, data 18->40 dropped 68 Maps a DLL or memory area into another process 18->68 70 Installs a global keyboard hook 18->70 27 wab.exe 1 18->27         started        30 wab.exe 1 18->30         started        32 wab.exe 14 18->32         started        34 3 other processes 18->34 file12 signatures13 process14 signatures15 74 Tries to steal Instant Messenger accounts or passwords 27->74 76 Tries to harvest and steal browser information (history, passwords, etc) 27->76 78 Tries to steal Mail credentials (via file / registry access) 30->78 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/7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2024-04-17 11:09:31 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pjmyjyueozdlnu53ib25eeg6ozzitd6sdp222dk2g47okfkefehq._file
Verdict:
malicious
Similar samples:
01beeda976d48dc4c029032b0113fed68e00a2736cc03667c065f7bf7440eec2
RemcosRAT
1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b
RemcosRAT
7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f
RemcosRAT
a90c7b4223bca6a28296894c66845de8fb61e7028b9c45ab8e0ec7d27db0bf71
RemcosRAT
aa69a4dd3203b34b4a1dfdf334ba8b655768f6e6c46165a095497b45222580b5
RemcosRAT
d4a04769d4bd4b35a1e14846840667c4f949833d66a19791cde5f0024c33eed3
RemcosRAT
f4d2a5c70bef00bc9eda121795152366650bb517bd9411fdaf27d90055db6ddb
RemcosRAT
+ 404 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader persistence
Link:
https://tria.ge/reports/240419-vvtvmsad55/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Guloader,Cloudeye
Unpacked files
SH256 hash:
7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f
MD5 hash:
de3166b6cc1e83299fa1a4704c3cc674
SHA1 hash:
e51bb6c564723d58e3bc5f39673b3d97f69fba55
Link:
https://www.unpac.me/results/74e582fe-b522-4b3f-9e9d-964f09b194fe/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7a5984e28476/report/overview.html
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: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 7a5984e2847646b6d3bb4075d210de7672898fd21bf5ad0d5a373ee51544290f

(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
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
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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