remcos | 91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16

General

Target

91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
Size

1.0MB
MD5

508fba262804a1ec8d887868d2e8ee2c
SHA1

a909187e35e60749e4da331d37599e2a29fe2b7e
SHA256

91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16
SHA512

d2d2c39a4068fb4b527fec0624f9b227c05d62f9e0636591ca73660fbc7809834b757d73ec9c92679e507f97eb5cbbbb8a842502eebe6bd565a05226d2ed00d4
SSDEEP

24576:7Odf+JAUM+bdGdzFpU3ZKA58wnTkdxNpSv8YCGJm:7yf+ZodzHU3ZK08dvNgvbCGJ

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

2.58.56.182:2404

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-GM05WY
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
2464	powershell.exe
2780	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 796 set thread context of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
2780	powershell.exe
2464	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
Token: SeDebugPrivilege	2780	powershell.exe
Token: SeDebugPrivilege	2464	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 2464	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	29
PID 796 wrote to memory of 2464	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	29
PID 796 wrote to memory of 2464	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	29
PID 796 wrote to memory of 2464	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	29
PID 796 wrote to memory of 2780	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	31
PID 796 wrote to memory of 2780	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	31
PID 796 wrote to memory of 2780	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	31
PID 796 wrote to memory of 2780	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	31
PID 796 wrote to memory of 2692	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	33
PID 796 wrote to memory of 2692	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	33
PID 796 wrote to memory of 2692	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	33
PID 796 wrote to memory of 2692	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	33
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35
PID 796 wrote to memory of 2784	796	91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe	35

C:\Users\Admin\AppData\Local\Temp\91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
"C:\Users\Admin\AppData\Local\Temp\91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:796
- 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\91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2464
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vFEnLODNRoht.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2780
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vFEnLODNRoht" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC62C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2692
- C:\Users\Admin\AppData\Local\Temp\91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe
  "C:\Users\Admin\AppData\Local\Temp\91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2784

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC62C.tmp

Filesize
1KB

MD5
839f0e26f2efab89dce76b75457d32e8

SHA1
fd640b83cccca259d37ec75a8e93ded2bb064e6d

SHA256
52de787419bc03eec78af0efadde58ed3d0de25c3fb0ad7070e7c6ceb9f66d89

SHA512
090226a6a8b21d6bb91cbf501c39dcc355e877c9980d1d56e398ffbf2fbeaf87081126d3e20bdb214d3675063ce98eb4ef3f2c977fa1cc8a449dbdaa9a9de408

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

Filesize
7KB

MD5
1925a0da8c7666c5ccdbb421b1b3919f

SHA1
2383fa14563d17d081a2c3e548a025d5dbff4aa1

SHA256
701e22ce111b6ca79869246dd71f0500e5437b1876356db39ddb988662b63188

SHA512
32492dee81331ca246636ee54daf1301f1135f2419c178ef2b721f455b3d6427dfcc83e6a584ca845e7dd3aa22b1db4f92ce1680230ca2ddaf4c14a2c299e8cb

Download Submit
memory/796-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/796-1-0x0000000000180000-0x0000000000292000-memory.dmp

Filesize
1.1MB

Download
memory/796-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/796-3-0x00000000003C0000-0x00000000003E6000-memory.dmp

Filesize
152KB

Download
memory/796-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/796-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/796-6-0x0000000000540000-0x0000000000604000-memory.dmp

Filesize
784KB

Download
memory/796-35-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2784-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-36-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-28-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-31-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-26-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-24-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-22-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-20-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-18-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-40-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-41-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-43-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-44-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2784-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads