remcos | 13d4ae15927c0c9080b6d657e8850deb72ecd091ebc0b01d2ed75d4caa007bbe

General

Target

shipment scheduled NOV 13-14TH.exe
Size

920KB
MD5

06cf3f0d14bcba73c87f66a821f7f4d4
SHA1

bc56adb6065940a2e08bc43a027d9cfb396f642e
SHA256

80e92b616e6ca40836434deeb64a032a13a2a441653b8fc4af29b075a864d3bc
SHA512

2a97089579b0af02560abaebbc8b56b3c4babd9e85b92f07e2ec7fe4c4a4348bbec5214719484dd4ad8c39667c39a4b8b73596c9f2fc8fa32073862ae126a553
SSDEEP

24576:hMyT7/osm++31jw2kvXvlMOj9k0T+6SXPGaDDm6UH:pT7/Bm+KNw3fvlljmCkuaD

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

172.245.123.14:2404

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-3DXQCZ
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 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1504 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

shipment scheduled NOV 13-14TH.exe

description pid process target process

PID 1740 set thread context of 2788 1740 shipment scheduled NOV 13-14TH.exe shipment scheduled NOV 13-14TH.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1504	powershell.exe

description	pid	process	target process
PID 1740 set thread context of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe

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

Processes:

shipment scheduled NOV 13-14TH.exepowershell.exeschtasks.exeshipment scheduled NOV 13-14TH.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shipment scheduled NOV 13-14TH.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	shipment scheduled NOV 13-14TH.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

Processes:

schtasks.exe

pid process

2412 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

shipment scheduled NOV 13-14TH.exepowershell.exe

pid process

1740 shipment scheduled NOV 13-14TH.exe
1740 shipment scheduled NOV 13-14TH.exe
1504 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

shipment scheduled NOV 13-14TH.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1740 shipment scheduled NOV 13-14TH.exe
Token: SeDebugPrivilege 1504 powershell.exe

pid	process
2412	schtasks.exe

pid	process
1740	shipment scheduled NOV 13-14TH.exe
1740	shipment scheduled NOV 13-14TH.exe
1504	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1740	shipment scheduled NOV 13-14TH.exe
Token: SeDebugPrivilege	1504	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

shipment scheduled NOV 13-14TH.exe

description	pid	process	target process
PID 1740 wrote to memory of 1504	1740	shipment scheduled NOV 13-14TH.exe	powershell.exe
PID 1740 wrote to memory of 1504	1740	shipment scheduled NOV 13-14TH.exe	powershell.exe
PID 1740 wrote to memory of 1504	1740	shipment scheduled NOV 13-14TH.exe	powershell.exe
PID 1740 wrote to memory of 1504	1740	shipment scheduled NOV 13-14TH.exe	powershell.exe
PID 1740 wrote to memory of 2412	1740	shipment scheduled NOV 13-14TH.exe	schtasks.exe
PID 1740 wrote to memory of 2412	1740	shipment scheduled NOV 13-14TH.exe	schtasks.exe
PID 1740 wrote to memory of 2412	1740	shipment scheduled NOV 13-14TH.exe	schtasks.exe
PID 1740 wrote to memory of 2412	1740	shipment scheduled NOV 13-14TH.exe	schtasks.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe
PID 1740 wrote to memory of 2788	1740	shipment scheduled NOV 13-14TH.exe	shipment scheduled NOV 13-14TH.exe

C:\Users\Admin\AppData\Local\Temp\shipment scheduled NOV 13-14TH.exe
"C:\Users\Admin\AppData\Local\Temp\shipment scheduled NOV 13-14TH.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qZdlyIaexwadYg.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1504
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qZdlyIaexwadYg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5283.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2412
- C:\Users\Admin\AppData\Local\Temp\shipment scheduled NOV 13-14TH.exe
  "C:\Users\Admin\AppData\Local\Temp\shipment scheduled NOV 13-14TH.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788

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\tmp5283.tmp

Filesize
1KB

MD5
016645b283bce61ce8fdadb1e890cfda

SHA1
b1c17bd20dfd809e0acf8d984bbfb28950e97fda

SHA256
a5141348a105c32faa823bf6cb9f8da4b413ef6cf887f1a0db1c877fb38bb964

SHA512
1ed94ccc98a2edfe55186e73f154880cc79b50a4e3c46b4efb99dced8a6c201de67b7b4f41040e7dde188a0f00e358ea1aa8a0ebabed16aa157d313165eeda75

Download Submit
memory/1740-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/1740-1-0x0000000000930000-0x0000000000A1C000-memory.dmp

Filesize
944KB

Download
memory/1740-2-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-3-0x0000000000520000-0x0000000000532000-memory.dmp

Filesize
72KB

Download
memory/1740-4-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/1740-5-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-6-0x0000000005E70000-0x0000000005F34000-memory.dmp

Filesize
784KB

Download
memory/1740-31-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2788-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads