remcos | deae18121ea6827386098ac1d40d14952f55c7555558d516ff769b4e89655ded

General

Target

08ac08e7223680fbe534d31ae219e649.exe
Size

1.1MB
MD5

08ac08e7223680fbe534d31ae219e649
SHA1

7d003910e435153f65c2726f8d3fe2669606fcbf
SHA256

deae18121ea6827386098ac1d40d14952f55c7555558d516ff769b4e89655ded
SHA512

75b30cb6b060cd39b3bb4e8b16f8735a11eb1b577807fd574e84b11a39a34fe82ee819fbc9307b9b19e3d14f8ce609036e99b315fe89319befb39b023d3b3b7f
SSDEEP

24576:BPd+pxd29086WHK9M9yBj2ESIMkM6ZI6d:BPspx4bFHhENMkM6G

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.241.208.87:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-7DRXD9
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
Remcos family
remcos

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
2864	powershell.exe
2720	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37

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

System Information Discovery
T1082

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	08ac08e7223680fbe534d31ae219e649.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	08ac08e7223680fbe534d31ae219e649.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2396	08ac08e7223680fbe534d31ae219e649.exe
2396	08ac08e7223680fbe534d31ae219e649.exe
2396	08ac08e7223680fbe534d31ae219e649.exe
2396	08ac08e7223680fbe534d31ae219e649.exe
2396	08ac08e7223680fbe534d31ae219e649.exe
2396	08ac08e7223680fbe534d31ae219e649.exe
2396	08ac08e7223680fbe534d31ae219e649.exe
2864	powershell.exe
2720	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	08ac08e7223680fbe534d31ae219e649.exe
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeDebugPrivilege	2720	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2864	2396	08ac08e7223680fbe534d31ae219e649.exe	31
PID 2396 wrote to memory of 2864	2396	08ac08e7223680fbe534d31ae219e649.exe	31
PID 2396 wrote to memory of 2864	2396	08ac08e7223680fbe534d31ae219e649.exe	31
PID 2396 wrote to memory of 2864	2396	08ac08e7223680fbe534d31ae219e649.exe	31
PID 2396 wrote to memory of 2720	2396	08ac08e7223680fbe534d31ae219e649.exe	33
PID 2396 wrote to memory of 2720	2396	08ac08e7223680fbe534d31ae219e649.exe	33
PID 2396 wrote to memory of 2720	2396	08ac08e7223680fbe534d31ae219e649.exe	33
PID 2396 wrote to memory of 2720	2396	08ac08e7223680fbe534d31ae219e649.exe	33
PID 2396 wrote to memory of 2820	2396	08ac08e7223680fbe534d31ae219e649.exe	35
PID 2396 wrote to memory of 2820	2396	08ac08e7223680fbe534d31ae219e649.exe	35
PID 2396 wrote to memory of 2820	2396	08ac08e7223680fbe534d31ae219e649.exe	35
PID 2396 wrote to memory of 2820	2396	08ac08e7223680fbe534d31ae219e649.exe	35
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37
PID 2396 wrote to memory of 2608	2396	08ac08e7223680fbe534d31ae219e649.exe	37

C:\Users\Admin\AppData\Local\Temp\08ac08e7223680fbe534d31ae219e649.exe
"C:\Users\Admin\AppData\Local\Temp\08ac08e7223680fbe534d31ae219e649.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396
- 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\08ac08e7223680fbe534d31ae219e649.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2864
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NaYpuoGDsghFyf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NaYpuoGDsghFyf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1390.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\08ac08e7223680fbe534d31ae219e649.exe
  "C:\Users\Admin\AppData\Local\Temp\08ac08e7223680fbe534d31ae219e649.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1390.tmp

Filesize
1KB

MD5
d237eeb73b25ae8120e8a2f70e986a86

SHA1
19f1b8f8126f6731ec20bce9247c3fd4f9c2d3d7

SHA256
1424d6ead7d8a798d9c49868419f466aa4d5671230802bbc44cbd1549213d34d

SHA512
90093f7ad3d518687de575a007d4bb5fdf9c0d34bb272375052c5b7d90cb5a1c2e86ef7ab825101af5e233a0177dcb928e985984bd09c29dc97903fd12d9bdea

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
97964ebbca5f732fa6db5326fad78dfa

SHA1
70850b5c053d83a108ee0964a2e13fea4c515ee8

SHA256
53d6823a5cc3c33dc15bbd6b7cd6d4f123cd011b9041e74857621e57694c60af

SHA512
8a4f249ba00066edb9652e607164da7a078947f39218cb58b29fc7823326a51e2735fbee4536919b0c86a9fb937ec1e8bcff64f5ec279e8cfb4ff827605afafd

Download Submit
memory/2396-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2396-1-0x00000000010A0000-0x00000000011BA000-memory.dmp

Filesize
1.1MB

Download
memory/2396-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-3-0x0000000000970000-0x0000000000996000-memory.dmp

Filesize
152KB

Download
memory/2396-4-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2396-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-6-0x0000000005840000-0x0000000005904000-memory.dmp

Filesize
784KB

Download
memory/2396-36-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2608-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads