remcos | 5078e61c0fad6e5a6179ffd1cb43147730512f96958aa13cbed6b523df8a61ad

General

Target
2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Size 96KB
Sample261011-mapq7aga57
SHA256 5078e61c0fad6e5a6179ffd1cb43147730512f96958aa13cbed6b523df8a61ad
MD5 7dc55738c56dc007c42787cc66e45962
SHA1 035b4e4e3df22e6cddbf915c6d0ffdb3df184610
SHA512 c9350c4f0ad28f43cd4049e5dc34d14c0d93ae59caf8410214e37231f8584480229fd8ae6a3e17f2458706ddc6a78a7554750c5bebb3345a4ecbd12cd048b933
SSDEEP 1536:QhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6dre:2hzYTGWVvJ8f2v1TbPzuMsIFSHNThy+3
TLSH
T17BA3D717B94BD0B3E42191F186826BA18FBC7C3336462137D78FC9419DB8886D456EFA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

host discovery execution remcos persistence rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

j88a3.club:443
jj88slot.biz:443
8nkj.pw:443
k8cc2.bz:443
danehrlich.me:443
dayventure.co:443
playslot77.one:443
gameland88.quest:443
ad88.wine:443
j88.you:443
pamanslot13.co:443
joycasino-wox.buzz:443
casinobonusradar.net:443
metronetinc.co:443
eldoahcasino.net:443
fitnessdepot.com.co:443
soicaumn.mobi:443
cmshoes.co:443
kent-casino-ndo.buzz:443
xx88.center:443
xx88.me.uk:443
j88slot1.com:443
u888.osaka:443
saostar.me:443

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
vremea.me.exe
copy_folder
remcos
delete_file
true
hide_file
true
hide_keylog_file
false
install_flag
true
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
remcos_clubskjlibmmfta
screenshot_crypt
false
screenshot_flag
true
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	vremea.me.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	vremea.me.exe

detects Windows exceutables potentially bypassing UAC using eventvwr.exe 2 IoCs

resource	yara_rule
behavioral1/files/0x000a000000024331-7.dat	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral1/memory/3028-8-0x0000000000400000-0x0000000000418000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	vremea.me.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vremea.me.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\Control Panel\International\Geo\Nation	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe

Executes dropped EXE 2 IoCs

pid	Process
3400	vremea.me.exe
3328	vremea.me.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	vremea.me.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\""	vremea.me.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	vremea.me.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3400 set thread context of 3028	3400	vremea.me.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4416	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vremea.me.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3012	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3012	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3028	iexplore.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4172	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4172	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	iexplore.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3028	iexplore.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 4416	4664	2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe	87
PID 4416 wrote to memory of 3012	4416	cmd.exe	89
PID 3400 wrote to memory of 3028	3400	vremea.me.exe	95
PID 3400 wrote to memory of 3028	3400	vremea.me.exe	95
PID 3400 wrote to memory of 3028	3400	vremea.me.exe	95
PID 3400 wrote to memory of 3028	3400	vremea.me.exe	95
PID 3400 wrote to memory of 3028	3400	vremea.me.exe	95
PID 3400 wrote to memory of 3028	3400	vremea.me.exe	95
PID 4416 wrote to memory of 3328	4416	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-10_7dc55738c56dc007c42787cc66e45962_elex_remcos_remocs_wannacry.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Checks computer location settings
- Adds Run key to start application
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4416
- - C:\Windows\SysWOW64\PING.EXE
    PING 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3012
- - C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe
    "C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe"
    3⤵
    - Executes dropped EXE
    PID:3328

C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe
"C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Executes dropped EXE
- Adds Run key to start application
- Modifies WinLogon
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3028

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x500 0x410
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4172

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

install.bat

Path C:\Users\Admin\AppData\Local\Temp\install.bat
Size 219B
SHA256 94d03ac0831c189d803ae57392a1560da30d710258a162b9675e27c8fc3d9740
MD5 2baa37a10cbf06a85e6abca65a8ef06b
SHA1 3fbacd61d69c767e5f0c95e9ccd437e1d8ca1f5d
SHA512 4b788550a2aebf4e322c637e8d91e5ccae0eae32364b75eb2cc2c1fb478142448626f548c5294e2baed5e521f2bcc2088f57aed3ff553a704767a836fa777cfd
TLSH
T1B4D0235141E080FF284117330F78B50DE039F85675063A08070289CC34C4D24F0C1200
MD5 SHA1 SHA512 TLSH

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vremea.me.exe

Path C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe
Size 96KB
SHA256 5078e61c0fad6e5a6179ffd1cb43147730512f96958aa13cbed6b523df8a61ad
MD5 7dc55738c56dc007c42787cc66e45962
SHA1 035b4e4e3df22e6cddbf915c6d0ffdb3df184610
SHA512 c9350c4f0ad28f43cd4049e5dc34d14c0d93ae59caf8410214e37231f8584480229fd8ae6a3e17f2458706ddc6a78a7554750c5bebb3345a4ecbd12cd048b933
SSDEEP 1536:QhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6dre:2hzYTGWVvJ8f2v1TbPzuMsIFSHNThy+3
TLSH
T17BA3D717B94BD0B3E42191F186826BA18FBC7C3336462137D78FC9419DB8886D456EFA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3028-8-0x0000000000400000-0x0000000000418000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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