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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127. 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: 21


Intelligence 21 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127
SHA3-384 hash: c62882629eee4c935ecab601d9bfaee80971306873924e45698766f713325c6b0a2f6cca5f4e9a516efeeaff7cac23e2
SHA1 hash: df74f5c23e69e39687b0c1fa8295d14e421ccae6
MD5 hash: 1083fc5be87e6446ddd750730f0dccbd
humanhash: spaghetti-may-shade-vermont
File name:1083fc5be87e6446ddd750730f0dccbd.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:4'202'496 bytes
First seen:2026-04-21 15:03:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9da7080b9b697496fd4f41997e8bd436 (1 x INC, 1 x HVNC, 1 x RemcosRAT)
ssdeep 98304:GO+EV69sA+X6NMohwLUvRrhC/1UeQUC8wpfvH:b+E/A+X6NDwLUvR9C/eR8Mv
Threatray 1'642 similar samples on MalwareBazaar
TLSH T1C416335FB6D420A6D13A67315AE206835F797C136B3125FFA2C594B60C326C816B2FB3
TrID 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
18.0% (.EXE) Win64 Executable (generic) (6522/11/2)
13.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.ICL) Windows Icons Library (generic) (2059/9)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon f8f0f4c8c8c8d8f0 (8'804 x RedLineStealer, 5'109 x Amadey, 288 x Smoke Loader)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
181.71.188.50:60100

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
181.71.188.50:60100 https://threatfox.abuse.ch/ioc/1795617/

Intelligence

File Origin
# of uploads :
1
# of downloads :
175
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Archives
Details
Archives
an extracted Cabinet archive from the resources and SFX parameters
Link:
https://research.acce.ciphertechsolutions.com/results/ceba18f3-984b-48b0-9ecd-0b03ab2bc537/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127.exe
Verdict:
Malicious activity
Analysis date:
2026-04-21 15:09:49 UTC
Tags:
stealer auto-sch auto-reg anti-evasion remcos
Link:
https://app.any.run/tasks/c32f27e3-fc05-4054-a6be-3a2959b713f5

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/62974/
Detection(s):
YARA.MALPEDIA_Win_Warmcookie_Auto.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69e791d24aed15d0792ed3f3
Tags:
autorun remcos spoof
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug CAB exploit explorer explorer fingerprint horse installer installer installer-heuristic lolbin microsoft_visual_cc packed remcos rundll32 runonce sfx unsafe
Link:
https://www.filescan.io/uploads/69e791c381aa9ec3bc1beb5b/reports/5584fc0f-3056-4acd-83fb-981a14ad0911/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-17T11:46:00Z UTC
Last seen:
2026-04-23T00:58:00Z UTC
Hits:
~100
Detections:
Trojan-Dropper.Win32.Dapato.sb Trojan-Dropper.Win32.Agent.sb Backdoor.Remcos.TCP.C&C Trojan.MSIL.BypassUAC.sb Trojan.MSIL.BypassUAC.bwp Trojan.MSIL.BypassUAC.bwo Trojan.Win32.BypassUAC.sb Trojan.Win32.Agent.sb
Link:
https://opentip.kaspersky.com/543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/81244798-cbc3-4048-b753-646d497042c7
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1902014
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates multiple autostart registry keys
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential Privilege Escalation using Task Scheduler highest RunLevel
Sample is not signed and drops a device driver
Sigma detected: Schtasks Creation Or Modification With SYSTEM Privileges
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1902014 Sample: k5Jx7hwMg7.exe Startdate: 21/04/2026 Architecture: WINDOWS Score: 100 56 estatuscuointeligencia.ydns.eu 2->56 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 8 other signatures 2->66 9 cmd.exe 1 2->9         started        11 k5Jx7hwMg7.exe 1 5 2->11         started        15 rundll32.exe 2->15         started        17 4 other processes 2->17 signatures3 process4 file5 19 rundll32.exe 4 3 9->19         started        23 conhost.exe 9->23         started        50 C:\Users\user\AppData\Local\...\nethost.dll, PE32+ 11->50 dropped 52 C:\Users\user\AppData\Local\...\ProtonVPN.exe, PE32+ 11->52 dropped 76 Creates multiple autostart registry keys 11->76 25 ProtonVPN.exe 1 3 11->25         started        signatures6 process7 file8 40 C:\Users\user\AppData\Local\Temp\p22.exe, PE32 19->40 dropped 42 C:\Users\user\AppData\...\Iiul45mkxg.sys, PE32+ 19->42 dropped 68 Sample is not signed and drops a device driver 19->68 27 p22.exe 4 3 19->27         started        44 C:\Users\user\AppData\Roaming\nethost.dll, PE32+ 25->44 dropped 46 C:\Users\user\AppData\Roaming\ProtonVPN.exe, PE32+ 25->46 dropped 48 C:\Users\user\AppData\Local\...\tmp12B9.tmp, PE32+ 25->48 dropped 70 Creates multiple autostart registry keys 25->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 25->72 74 Potential Privilege Escalation using Task Scheduler highest RunLevel 25->74 32 schtasks.exe 1 25->32         started        34 schtasks.exe 1 25->34         started        signatures9 process10 dnsIp11 58 estatuscuointeligencia.ydns.eu 181.71.188.50, 49695, 60100 ColombiaMovilCO Colombia 27->58 54 C:\ProgramData\store\logs.dat, data 27->54 dropped 78 Antivirus detection for dropped file 27->78 80 Multi AV Scanner detection for dropped file 27->80 82 Contains functionality to bypass UAC (CMSTPLUA) 27->82 84 3 other signatures 27->84 36 conhost.exe 32->36         started        38 conhost.exe 34->38         started        file12 signatures13 process14
Score:
86%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127
Threat name:
Win64.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-04-18 01:14:59 UTC
File Type:
PE+ (Exe)
Extracted files:
57
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqzxtzb36ywmwttqfndklu363sj77z73ype2ahx6w7ho4cwjmetq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
34abba43c4d6a7d81ae9d2f73f02d9483fd353b5a787fc90bdacba8e05e6f2df
RemcosRAT
4fbbf0d94f1140ffde0bdd48c5b07f91f2292fae78b227e48a50b60ed624763b
RemcosRAT
689ae74e5f1398423134f44ecf309e0edff885307376162c3286d560ebfe07c1
RemcosRAT
6c7d12121192bc6cb052b0cc6542dc07418893f993860fdfb9f4392f5890f9b3
RemcosRAT
b8e4db27a7347c05c3e9d42a6e04f9bf8ae0b0df6a78fb68c9d818bccd7a68ec
RemcosRAT
+ 1'632 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:abril2026 discovery execution persistence rat suricata
Link:
https://tria.ge/reports/260421-sfbz6sgx5r/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
System Location Discovery: System Language Discovery
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Sets service image path in registry
Family: Remcos
Suricata alert: REMCOS RAT Malware Inbound C2 Communication
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
estatuscuointeligencia.ydns.eu:60100
Unpacked files
SH256 hash:
543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127
MD5 hash:
1083fc5be87e6446ddd750730f0dccbd
SHA1 hash:
df74f5c23e69e39687b0c1fa8295d14e421ccae6
Link:
https://www.unpac.me/results/68765447-48d8-4fde-95c2-24c149883372/
SH256 hash:
38502a7852b56c500caba4cd92e15a67b745bb778fd452214bbc5599ff738c99
MD5 hash:
720f2634fe2e508efe789b333e0043e8
SHA1 hash:
51e0cd51506bc4b09958cf72aae540675b7e16b1
Link:
https://www.unpac.me/results/68765447-48d8-4fde-95c2-24c149883372/
SH256 hash:
bd8b61a001e3a9b475aa01d2b1bbb4ab6357dadcb6ff6c4195ffe234f036b21a
MD5 hash:
234ca1490810115b59d7a5c540d5150b
SHA1 hash:
bdd0be5835e8a0e04c14800e8608932f920e4923
Detections:
win_warmcookie_auto
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/68765447-48d8-4fde-95c2-24c149883372/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/543379e43bf6/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/543379e43bf62ccb4e702b46a5d37edc93ffe7fbc3c9a01efeb7ceee0ac96127

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:detect_Redline_Stealer
Create hunting rule
Author:Varp0s
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

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/62974/

Comments