remcos | 905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04

General

Target

905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
Size

1.0MB
MD5

67b86e9595c2d0d2f44454ec239fda56
SHA1

1a44600a7b4e010174d99c152dc20fef1d84061a
SHA256

905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04
SHA512

73fb542c826f8e75683e7944f0f616d2317d17c5cc153610e7d2107c6da7458da00c89e797aa4f59c92d92095dcf884ef9474cf7ac5dcc4bf526aa8389486604
SSDEEP

24576:BHAXaxESQklIlQcZrVs+3FvrVOuHvKYKrVFmdGp7N1/TBt:BgAlFUrv3FjwuPKYaGK/t

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
2220	powershell.exe
2892	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.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	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
2892	powershell.exe
2220	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	2220	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2220	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	31
PID 2188 wrote to memory of 2220	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	31
PID 2188 wrote to memory of 2220	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	31
PID 2188 wrote to memory of 2220	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	31
PID 2188 wrote to memory of 2892	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	33
PID 2188 wrote to memory of 2892	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	33
PID 2188 wrote to memory of 2892	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	33
PID 2188 wrote to memory of 2892	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	33
PID 2188 wrote to memory of 2832	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	35
PID 2188 wrote to memory of 2832	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	35
PID 2188 wrote to memory of 2832	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	35
PID 2188 wrote to memory of 2832	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	35
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37
PID 2188 wrote to memory of 2896	2188	905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe	37

C:\Users\Admin\AppData\Local\Temp\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
"C:\Users\Admin\AppData\Local\Temp\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2188
- 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\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2220
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hVWuVAdS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hVWuVAdS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3ADE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe
  "C:\Users\Admin\AppData\Local\Temp\905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896

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\tmp3ADE.tmp

Filesize
1KB

MD5
64b5d5e37066ef628903f8d67ae59d28

SHA1
4408eb492b962d4132f58f7bc1cf836d0df5b672

SHA256
48195692d9f0c547c0b19d0426319dcf31e1ed7f24a23a7bb7aac203d21cbc71

SHA512
eddfc10f3ba4663a9ecb5a172402c87204149c1585b41a7b1577710e171f832dc8327f0a38c7f3e6ff327ade663cb9d5f21b8d3bca0aec2e6d32169615610e7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\P8KFP6LDLNRMCB688NBF.temp

Filesize
7KB

MD5
1fa68c21d21c1f58445cb77e754dec70

SHA1
eb7cd9ecaa5e5348bd0d7262f923c616da196f42

SHA256
8cd4003b134c0fd895461153af035e2e4a9992d21b248f1c10d60b57cc485fa1

SHA512
58657081318885866fec22537eec77556105044392d35c62aef386d55673d3e95b9b11c5e180a4dfda8c4a66062b968775fceed2783ae98ce69ff70d58a209ef

Download Submit
memory/2188-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2188-1-0x00000000010B0000-0x00000000011BC000-memory.dmp

Filesize
1.0MB

Download
memory/2188-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-3-0x0000000000900000-0x0000000000918000-memory.dmp

Filesize
96KB

Download
memory/2188-4-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2188-5-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-6-0x0000000004E00000-0x0000000004EC2000-memory.dmp

Filesize
776KB

Download
memory/2188-36-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2896-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2896-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads