remcos | ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40

General

Target

DHL AWB BL Copy 8900893000.exe
Size

926KB
MD5

5d8e15f3fdbd7a70346b8094dda2eb58
SHA1

a5f71868526c7cecfef7ee34ad095b7ae7e381ab
SHA256

ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40
SHA512

fc97903e551219f63af9c874ecad2a4af6ec8855fb54cbbb5b0926d9a80ca9599d7e51e4d0580cb071397135f0b8b9e005e724c00106a16c3e2ef67d8074b433
SSDEEP

24576:hjj0ytqrALi4J+O/kzhS3tZcD+u2woeKEl:xwytqrci44O/kVizg+ub9l

Score

10^/10

remcos 3456789 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

3456789

C2

172.93.220.148:45682

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
765-8M14I5
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2736	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 908 set thread context of 2832	908	DHL AWB BL Copy 8900893000.exe	34

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 4 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	DHL AWB BL Copy 8900893000.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	DHL AWB BL Copy 8900893000.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
2852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
908	DHL AWB BL Copy 8900893000.exe
908	DHL AWB BL Copy 8900893000.exe
2736	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	DHL AWB BL Copy 8900893000.exe
Token: SeDebugPrivilege	2736	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2736	908	DHL AWB BL Copy 8900893000.exe	29
PID 908 wrote to memory of 2736	908	DHL AWB BL Copy 8900893000.exe	29
PID 908 wrote to memory of 2736	908	DHL AWB BL Copy 8900893000.exe	29
PID 908 wrote to memory of 2736	908	DHL AWB BL Copy 8900893000.exe	29
PID 908 wrote to memory of 2852	908	DHL AWB BL Copy 8900893000.exe	31
PID 908 wrote to memory of 2852	908	DHL AWB BL Copy 8900893000.exe	31
PID 908 wrote to memory of 2852	908	DHL AWB BL Copy 8900893000.exe	31
PID 908 wrote to memory of 2852	908	DHL AWB BL Copy 8900893000.exe	31
PID 908 wrote to memory of 2956	908	DHL AWB BL Copy 8900893000.exe	33
PID 908 wrote to memory of 2956	908	DHL AWB BL Copy 8900893000.exe	33
PID 908 wrote to memory of 2956	908	DHL AWB BL Copy 8900893000.exe	33
PID 908 wrote to memory of 2956	908	DHL AWB BL Copy 8900893000.exe	33
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34
PID 908 wrote to memory of 2832	908	DHL AWB BL Copy 8900893000.exe	34

C:\Users\Admin\AppData\Local\Temp\DHL AWB BL Copy 8900893000.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB BL Copy 8900893000.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\snlrFEGONNdR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\snlrFEGONNdR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFDF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2852
- C:\Users\Admin\AppData\Local\Temp\DHL AWB BL Copy 8900893000.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL AWB BL Copy 8900893000.exe"
  2⤵
  PID:2956
- C:\Users\Admin\AppData\Local\Temp\DHL AWB BL Copy 8900893000.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL AWB BL Copy 8900893000.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2832

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\tmpAFDF.tmp

Filesize
1KB

MD5
81fd683a0f84b7e2d214ad4be16c06b0

SHA1
504e1419bc35874ff4b2f23b4b77d116f083365f

SHA256
a08cebf5d75a8091571363fd90b61eb17a3fca91c0d4be09b73cd424c93b5bc3

SHA512
ce16d75e8c4cafa9c79cbe21adebbcc49f540ed988c9db5564eea4850eb800ef7cfb9c4665241e9f3fde558235562f67cbcec8e4284fcf586bbdb5289f24ae3e

Download Submit
memory/908-35-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/908-1-0x00000000010A0000-0x000000000118E000-memory.dmp

Filesize
952KB

Download
memory/908-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/908-3-0x00000000004E0000-0x00000000004F8000-memory.dmp

Filesize
96KB

Download
memory/908-4-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/908-5-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/908-6-0x0000000004FE0000-0x000000000509E000-memory.dmp

Filesize
760KB

Download
memory/908-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2832-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2832-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads