remcos | 86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8

General

Target

86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
Size

928KB
MD5

04d4d4d83e1601d220f83f09ae16cd79
SHA1

4f0a7d8060399a7ae5029690bdee2bf3b2e3e395
SHA256

86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8
SHA512

87747374bd1c72c9d33d2af9e7456617c95e6c100788f16123bf15cb1c6748a13ad1ac9b5a967553fdf668ea226033a741c08f45febc2130a7e50ccabe69333c
SSDEEP

24576:bhdtlx9EP2aKUQ6/FfCH1bGl4rg5YWNexNBpqod:bhdrY+aPQiFgDWcxNzqi

Score

10^/10

remcos aug 26 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

AUG 26

C2

sungito2.ddns.net:6509

154.216.19.222:5532

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-LXAZN2
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

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
2268	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30

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 3 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	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2268	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2272	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2268	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	29
PID 2904 wrote to memory of 2268	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	29
PID 2904 wrote to memory of 2268	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	29
PID 2904 wrote to memory of 2268	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	29
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30
PID 2904 wrote to memory of 2272	2904	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	30

C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
"C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- 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\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2268
- C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
  "C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
35eb80a87d2347d4bc3869afe019a8b7

SHA1
148cdf5f754ff3b20b5012db6dce18c119c5f19e

SHA256
eec67a70a6a3ec557cd69964772b00860ce9a2a9c768edd1f881a92ee0b6abd8

SHA512
7d82db469de591c5fcffb5edae973c9d4fbccde5945d6df95571ce89b11023c0d26477266eb1b69ccc4417fc4bc36d47313a743c407c1ebb5bd2fdf5b93ef9de

Download Submit
memory/2272-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2272-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2272-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2904-1-0x0000000000DD0000-0x0000000000EBA000-memory.dmp

Filesize
936KB

Download
memory/2904-2-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2904-27-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-6-0x0000000005AA0000-0x0000000005B60000-memory.dmp

Filesize
768KB

Download
memory/2904-5-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-4-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2904-3-0x0000000000690000-0x00000000006A8000-memory.dmp

Filesize
96KB

Download

Analysis

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