remcos | 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 21:46

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General

Target

53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
Size

1.1MB
MD5

77e3e093c61c0e2ca41f47a470e74f31
SHA1

c1de740d11d19016caa74c6667b63d85bb765a9f
SHA256

53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d
SHA512

fe88fc3a873b33e0f3838f5d9067e1166d8b735e2a596f5a166be47bfc6b9fdf002faf459bc088ea11c35c826aff6c0eacc0e560894ee08451d9828a38b99a8f
SSDEEP

24576:XIGqgFOl3M0XmHxT+3A2U8REKt6csqfa+d+Dih:FFOSDt+QuWKvswjX

Score

10^/10

remcos aquafina execution rat

Malware Config

Extracted

Family

remcos

Botnet

AQUAFINA

december2n.duckdns.org:6241

december2nd.ddns.net:6241

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-5TYRFW
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 29 IoCs

resource	yara_rule
behavioral1/memory/1484-26-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-30-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-32-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-39-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-38-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-37-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-34-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-28-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-41-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-42-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-43-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-44-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-45-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-46-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-48-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-49-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-51-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-50-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-52-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-53-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-54-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-55-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-56-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-57-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-59-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-60-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-61-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-62-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1484-63-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2612	powershell.exe
2760	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2624	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
2760	powershell.exe
2612	powershell.exe
1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2612	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	28
PID 1924 wrote to memory of 2612	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	28
PID 1924 wrote to memory of 2612	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	28
PID 1924 wrote to memory of 2612	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	28
PID 1924 wrote to memory of 2760	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	30
PID 1924 wrote to memory of 2760	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	30
PID 1924 wrote to memory of 2760	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	30
PID 1924 wrote to memory of 2760	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	30
PID 1924 wrote to memory of 2624	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	32
PID 1924 wrote to memory of 2624	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	32
PID 1924 wrote to memory of 2624	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	32
PID 1924 wrote to memory of 2624	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	32
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34
PID 1924 wrote to memory of 1484	1924	53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe	34

C:\Users\Admin\AppData\Local\Temp\53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
"C:\Users\Admin\AppData\Local\Temp\53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UXatlomLO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2760
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UXatlomLO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AA3.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2624
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8AA3.tmp

Filesize
1KB

MD5
6f0bf4343d2569ed3f16ee3f97de7eda

SHA1
ed4ad7cc53bc5e2d45518d6466bac5c3acc84280

SHA256
c2617c405e1e2cd7e366129c7cdebfd3c5d68c3f46a56fdcd1d0ec852a8aa1f0

SHA512
b2c06f67d27fe9220aab5a2284ab37b7835a89fa183526832a3b69f94c1de7de4c381d5b0c737782cf622296c9cd068d0e30f001bd37b92f2556f00cdc9a34b1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IO9JOH0POWVB9C4TIQ1W.temp

Filesize
7KB

MD5
4578c27ac7d56738730b32c376865934

SHA1
4f01acba9a52ddf1d26180481af45fce981f8a62

SHA256
683920fe4b6b3a60f8b549d6c8a2669fd9e98115da0907df2c3ee26d0f9111bd

SHA512
2fcd2c74f476cb6c3110e96eb82fc227879452648cd2b21b5e877dd764f8355ce195c6a55dcf5d62ec613cfa96b8e1c106305ba5f23db738a6f9c238f400e673

Download Submit
memory/1484-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1484-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1484-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1924-0-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1924-4-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1924-40-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1924-3-0x0000000000520000-0x000000000053A000-memory.dmp

Filesize
104KB

Download
memory/1924-1-0x0000000000A40000-0x0000000000B66000-memory.dmp

Filesize
1.1MB

Download
memory/1924-2-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1924-7-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1924-6-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1924-5-0x0000000006380000-0x0000000006440000-memory.dmp

Filesize
768KB

Download