MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b
SHA3-384 hash: 60d18eccde0f5f74a5d7242ec68e27ad7e383392f47d52680f61607b80146f25e09bb983ccf41b691b40d5204937633c
SHA1 hash: 285a47c0e8439aa0b921846d4942758a85534e6c
MD5 hash: 38122eb992fc54a0c47aa1b365f42dc9
humanhash: violet-seven-kansas-whiskey
File name:99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:987'136 bytes
First seen:2025-12-08 15:11:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:KDcfRseWf7mujLpd5oAOyfq4zH+7eNgbnesPwK9NA:KKCNC+pdPOr4r+qNgLFP5
Threatray 1'893 similar samples on MalwareBazaar
TLSH T11A2512A80116EE02D4661FB81C30E3F452F69ED8E812D353DAFB7CEBBD5E6543940296
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
Remcos RoboSki
Details
Remcos
a version number and verbose configuration settings
RoboSki
a Base64 + XOR/Sub-decrypted component, its associated key, a mutex, a filename, and ReZer0 configuration parameters including: a load type, a download URL and filename (if configured), an interval (if configured), and varying flags
RoboSki
an extracted ReZer0 payload
Link:
https://research.acce.ciphertechsolutions.com/results/287ecf45-62ac-495b-bdeb-edd145cf738e/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b
Verdict:
Malicious activity
Analysis date:
2025-12-08 21:16:16 UTC
Tags:
remcos rat auto-sch-xml
Link:
https://app.any.run/tasks/a018cce5-6440-4be7-84d1-f83c741f7310

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/43373/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936eb22db58e1a2c22b8dea
Tags:
virus krypt msil
Verdict:
Malicious
Labled as:
Genie8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-18T06:14:00Z UTC
Last seen:
2025-11-18T18:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/adb8f1b2-e1e4-46df-96a3-158a0c0c903b
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.33 Win 32 Exe x86
Link:
https://app.malva.re/file/38122eb992fc54a0c47aa1b365f42dc9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b/
Threat name:
ByteCode-MSIL.Trojan.Darkcloud
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 08:12:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tflcysyxecsnike5ovr6fnaoheipqkkvq6vqpufzltebvep6gcnq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unc_loader_078
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
0f34330b58ea8d40bff07b3acfba87984f4e1197632b23f7147cc0ff5a9212f9
RemcosRAT
4e34822a9cccaf17a60bee19d98b6663bb1d81134a490d5812f4b399b40694bd
RemcosRAT
8ebd003e1a80ebe1ca3d678c0d308ea45c060c2eeda6771dffe4e3772a1cfd61
RemcosRAT
dc06752bce3e55d5122cc6588af713c966feb9133b2f3ae44d7086f7295a76c6
RemcosRAT
ead9f443d43e6c9548964721edbf937b1cdf9b5d6126682714de2aba4a086078
RemcosRAT
error
RemcosRAT
+ 1'883 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos discovery execution persistence rat
Link:
https://tria.ge/reports/251208-sley1sypfm/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
37.120.155.34:2469
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/121a84c2-fcf1-460f-96d0-480363fb2fb5
Unpacked files
SH256 hash:
99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b
MD5 hash:
38122eb992fc54a0c47aa1b365f42dc9
SHA1 hash:
285a47c0e8439aa0b921846d4942758a85534e6c
Link:
https://www.unpac.me/results/ba18d833-b1ea-4999-99e7-9ee59735187f/
SH256 hash:
0748253bb84d8fd3277d926bee9aae97560c37921ccb3d1dbf3199fae3e62a20
MD5 hash:
0b2dd04f55951e3d7e42268c47161128
SHA1 hash:
1b4cd4e9944032fe88cac5dc0c5fc46d2189b327
Link:
https://www.unpac.me/results/ba18d833-b1ea-4999-99e7-9ee59735187f/
SH256 hash:
533908dc0cf6bb43849d77e18e0024128c0a2abec7c7c67ac985d6a99eaa5f4b
MD5 hash:
c1ae6f6e0971a260929769230753c750
SHA1 hash:
2ce38a31d31abd846a3c2b93b83a2150a559b0e5
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ba18d833-b1ea-4999-99e7-9ee59735187f/
SH256 hash:
b697f5bc215fc82f85842c32f2ff3ea82a983b479fda069ca443a534cc7b7167
MD5 hash:
22163fe98af1d905e5ac534d1144f9e6
SHA1 hash:
5178047d67c2bb384acd8e2f55749c8daefc99e8
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/ba18d833-b1ea-4999-99e7-9ee59735187f/
Parent samples :
935472ec0746ee4c02fbf1e4306d8995955d1d8be8dd6ba19933928d3c4fa5a3
dc06752bce3e55d5122cc6588af713c966feb9133b2f3ae44d7086f7295a76c6
7cc6b476fa83fe157ece10867c61b37587d9d425e26bf26ef16b5f13d38f2c44
4e34822a9cccaf17a60bee19d98b6663bb1d81134a490d5812f4b399b40694bd
99562c4b1720a4d4289d7563e2b40e3910f8295587ab07d0b95cc81a91fe309b
e401c37dcfe4433d2b0fdbe449f905554b5449d397eb18e2c78cca0b10dc113b
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/43373/

Comments