remcos | 73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c

General

Target

73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
Size

962KB
MD5

094a5d7931f64c66d76b0fe5cc728262
SHA1

4a3cbbe7590ab3e7cd3c40fc62558aaaa251a3e8
SHA256

73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c
SHA512

c2b31f3aca35b2e048e1fa10a6f8ed972097651a0fb85be675e0b7ea8765e04ba7b1f68be8c5bef25f919dff56c49b139e5d1ef4cad4c472ed0dc281ee4905aa
SSDEEP

12288:AfOzlAPrLGY72HiM2AUpGNSfIKsAW1Nunhe2z8JBvR1unEhyDsRiWnze6EzyskDF:AfglYKG2Kwb3unMLBvh8sRdS6rd8Qt

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.42:7118

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-WYBPPO
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat 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
2972	powershell.exe
2448	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1544 set thread context of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.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	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.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
2616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
2972	powershell.exe
2448	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
Token: SeDebugPrivilege	2972	powershell.exe
Token: SeDebugPrivilege	2448	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2972	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	29
PID 1544 wrote to memory of 2972	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	29
PID 1544 wrote to memory of 2972	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	29
PID 1544 wrote to memory of 2972	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	29
PID 1544 wrote to memory of 2448	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	31
PID 1544 wrote to memory of 2448	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	31
PID 1544 wrote to memory of 2448	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	31
PID 1544 wrote to memory of 2448	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	31
PID 1544 wrote to memory of 2616	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	32
PID 1544 wrote to memory of 2616	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	32
PID 1544 wrote to memory of 2616	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	32
PID 1544 wrote to memory of 2616	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	32
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35
PID 1544 wrote to memory of 2900	1544	73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe	35

C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
"C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1544
- 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\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2972
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OsUSvlotOYeups.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2448
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OsUSvlotOYeups" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4ECC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2616
- C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe
  "C:\Users\Admin\AppData\Local\Temp\73d157aceb0cbefa3a24509f157e8b59c40881acd0e3360d026fee5845e19f2c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2900

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\tmp4ECC.tmp

Filesize
1KB

MD5
70d4518334a9c43ccd01a25264196297

SHA1
23877b209c317ce1aee671e121501eb4c92b168e

SHA256
d83a46d7a80d835c609f71001c7f2046371f45e1e44bb086334a0302381b7769

SHA512
91d041c5f6f38810faa5173ffec1c21b23bc2ca87d2939eaf42fb03f2d86d0678e58f85df9aa50e68d92ff38bae4d6df19a33bc56e01af3cdab9e7a9c72b42ef

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

Filesize
7KB

MD5
b947343649f6792f4ade29ff1606e350

SHA1
81112787c8297199858fe2ea13ccc60a0891388d

SHA256
144ee25b328e0ee353d926991d9d1f718492c1692168b94e325977654761847f

SHA512
b24f5ea6dc9a207ab524fa5085f4f7324ae15dd08942e15384ef6be21965cea489de3bb5ca00bf590854a032f647747aeec5c3c0fed445b87973dfd401c0aeb8

Download Submit
memory/1544-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/1544-1-0x0000000000C20000-0x0000000000D14000-memory.dmp

Filesize
976KB

Download
memory/1544-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1544-3-0x00000000007B0000-0x00000000007C8000-memory.dmp

Filesize
96KB

Download
memory/1544-4-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/1544-5-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1544-6-0x0000000004E00000-0x0000000004EBE000-memory.dmp

Filesize
760KB

Download
memory/1544-40-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2900-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads