MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5
SHA3-384 hash: 72bb85dc87274253f19fd872dcac62924e2817f7736303762de1220a90d2b4c65eef0e13c8c97f293755fff7d3e9a754
SHA1 hash: 7bf50c94959846e1c7caf521e697ee2367aabf01
MD5 hash: 4cbc670c79dddc759b63ded7f36a80e1
humanhash: pip-apart-july-sink
File name:OSE - PO & FCST - ???-LT24052303183991-01.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:15'728'640 bytes
First seen:2024-05-24 01:25:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 99ee65c2db82c04251a5c24f214c8892 (38 x Formbook, 11 x RemcosRAT, 4 x SnakeKeylogger)
ssdeep 24576:y6nVMk+HIj90cmvFMN8O6TXQRfAGWEUAxqnRAIsJumwocd5xShmC+a+OPj:xVz7tWqKTXQiTpsJr/Qx8ec
TLSH T1DFF60201B7C4C0B3C4B229324A9696916A7D6D711FB1899B73E03F6E5B709C2D632F63
TrID 76.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 797979b969e8d8e0 (2 x RemcosRAT, 1 x AgentTesla, 1 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
194.59.31.54:3154

Intelligence

File Origin
# of uploads :
1
# of downloads :
479
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5.exe
Verdict:
Malicious activity
Analysis date:
2024-05-24 01:27:25 UTC
Tags:
rat remcos evasion
Link:
https://app.any.run/tasks/f1a79aef-c5f0-4374-acfb-0949c55a9cf5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.AIT.Heur.Lisk.2.2030820D.Gen.31303.20335.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5
Result
Verdict:
MALICIOUS
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4c96a7ea-4af4-4b5b-b282-0b2e7a20d9f6
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1446938
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected Autoit Injector
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1446938 Sample: OSE - PO & FCST - ___-LT240... Startdate: 24/05/2024 Architecture: WINDOWS Score: 100 68 b64c611.ddnss.eu 2->68 70 geoplugin.net 2->70 76 Snort IDS alert for network traffic 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 16 other signatures 2->82 10 OSE - PO & FCST - ___-LT24052303183991-01.exe 3 28 2->10         started        13 ttujxo.dll.exe 1 2->13         started        16 ttujxo.dll.exe 2->16         started        18 ttujxo.dll.exe 2->18         started        signatures3 process4 file5 62 C:\Users\user\AppData\Local\...\ttujxo.dll, PE32 10->62 dropped 64 C:\Users\user\AppData\...\hghnvjmhol.mp3, data 10->64 dropped 66 C:\Users\user\AppData\Local\Temp\...\dvlv.vbe, Unicode 10->66 dropped 20 wscript.exe 1 10->20         started        102 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->102 104 Writes to foreign memory regions 13->104 106 Allocates memory in foreign processes 13->106 23 RegSvcs.exe 13->23         started        108 Injects a PE file into a foreign processes 16->108 25 RegSvcs.exe 16->25         started        27 RegSvcs.exe 18->27         started        signatures6 process7 signatures8 92 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->92 29 cmd.exe 1 20->29         started        31 cmd.exe 1 20->31         started        34 cmd.exe 1 20->34         started        process9 signatures10 36 ttujxo.dll 1 26 29->36         started        40 conhost.exe 29->40         started        110 Uses ipconfig to lookup or modify the Windows network settings 31->110 42 conhost.exe 31->42         started        44 ipconfig.exe 1 31->44         started        46 conhost.exe 34->46         started        48 ipconfig.exe 1 34->48         started        process11 file12 54 C:\Users\user\AppData\...\ttujxo.dll.exe, PE32 36->54 dropped 56 C:\Users\user\AppData\Roaming\...\ttujxo.dll, PE32 36->56 dropped 58 C:\Users\user\AppData\...\ttujxo.dll.exe, PE32 36->58 dropped 60 2 other files (1 malicious) 36->60 dropped 94 Machine Learning detection for dropped file 36->94 96 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 36->96 98 Writes to foreign memory regions 36->98 100 2 other signatures 36->100 50 RegSvcs.exe 3 16 36->50         started        signatures13 process14 dnsIp15 72 b64c611.ddnss.eu 194.59.31.54, 3154, 49736 COMBAHTONcombahtonGmbHDE Germany 50->72 74 geoplugin.net 178.237.33.50, 49737, 80 ATOM86-ASATOM86NL Netherlands 50->74 84 Contains functionalty to change the wallpaper 50->84 86 Contains functionality to register a low level keyboard hook 50->86 88 Installs a global keyboard hook 50->88 90 Delayed program exit found 50->90 signatures16
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5/
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2024-05-24 01:26:16 UTC
File Type:
PE (Exe)
Extracted files:
83
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dxkfueqajftqbknj4e4kb3hrmjojqgcvcwooxbre7zu3rph6ho2q._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/240524-bth7zagb7w/
Behaviour
Gathers network information
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
b64c611.ddnss.eu:3154
Unpacked files
SH256 hash:
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
MD5 hash:
c56b5f0201a3b3de53e561fe76912bfd
SHA1 hash:
2a4062e10a5de813f5688221dbeb3f3ff33eb417
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/d20423e6-4292-4106-8308-e926a9371d64/
Parent samples :
1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5
06eff0b0dc021ab79b61bc72aff871df18c73bc518b9a7116124f86828ea630c
7bc1b8646a9444edb7eb912545e7194ded36e12fbe39ae941cf871250930e5e4
e04440c875bc9a884bb63b42b1203b26b9a510651fea4d9ddf679f64dab6cb7d
524557fb85fa9faafc5f8c22eb3df5173f654fbf56082832a339cc15103fca37
5e4fa07bf0f249c715efac189ccd912b2c47f3117db72d2a96f9cc87080a910e
SH256 hash:
1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5
MD5 hash:
4cbc670c79dddc759b63ded7f36a80e1
SHA1 hash:
7bf50c94959846e1c7caf521e697ee2367aabf01
Link:
https://www.unpac.me/results/d20423e6-4292-4106-8308-e926a9371d64/
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/1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

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
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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