remcos | 86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-08-2024 01:55

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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

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
2184	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3260 set thread context of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88

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 2 IoCs

pid	Process
2184	powershell.exe
2184	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3984	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 2184	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	86
PID 3260 wrote to memory of 2184	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	86
PID 3260 wrote to memory of 2184	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	86
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88
PID 3260 wrote to memory of 3984	3260	86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe	88

C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
"C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3260
- 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:2184
- 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:3984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

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
95040634a0c196f13fc77df3201c88f1

SHA1
f7c58c24e20251d029d207cdb5a011f2c35b364b

SHA256
fcac3209663ee2e89a6c91387a8a11573583bc0df30f41b5139f04efbc3cce09

SHA512
533ff41d68e531cdba66365efaa874004c928d66f034d1b74b0906c7abb93a180a3180d6161b38f067d85ad3631d6c7305ed54d19e752230ab8c6a1970d60a40

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ip1vl51w.tki.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2184-62-0x0000000007110000-0x000000000711E000-memory.dmp

Filesize
56KB

Download
memory/2184-54-0x0000000006DB0000-0x0000000006E53000-memory.dmp

Filesize
652KB

Download
memory/2184-55-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-68-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-65-0x0000000007200000-0x0000000007208000-memory.dmp

Filesize
32KB

Download
memory/2184-64-0x0000000007220000-0x000000000723A000-memory.dmp

Filesize
104KB

Download
memory/2184-63-0x0000000007120000-0x0000000007134000-memory.dmp

Filesize
80KB

Download
memory/2184-43-0x0000000071C30000-0x0000000071C7C000-memory.dmp

Filesize
304KB

Download
memory/2184-61-0x00000000070E0000-0x00000000070F1000-memory.dmp

Filesize
68KB

Download
memory/2184-60-0x0000000007160000-0x00000000071F6000-memory.dmp

Filesize
600KB

Download
memory/2184-59-0x0000000006F50000-0x0000000006F5A000-memory.dmp

Filesize
40KB

Download
memory/2184-57-0x0000000007520000-0x0000000007B9A000-memory.dmp

Filesize
6.5MB

Download
memory/2184-58-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

Filesize
104KB

Download
memory/2184-56-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-41-0x0000000006190000-0x00000000061C2000-memory.dmp

Filesize
200KB

Download
memory/2184-42-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-21-0x0000000002280000-0x00000000022B6000-memory.dmp

Filesize
216KB

Download
memory/2184-20-0x000000007534E000-0x000000007534F000-memory.dmp

Filesize
4KB

Download
memory/2184-23-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-24-0x0000000004DD0000-0x00000000053F8000-memory.dmp

Filesize
6.2MB

Download
memory/2184-25-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-26-0x0000000004C10000-0x0000000004C32000-memory.dmp

Filesize
136KB

Download
memory/2184-53-0x0000000006D90000-0x0000000006DAE000-memory.dmp

Filesize
120KB

Download
memory/2184-28-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/2184-27-0x0000000004CB0000-0x0000000004D16000-memory.dmp

Filesize
408KB

Download
memory/2184-38-0x00000000056E0000-0x0000000005A34000-memory.dmp

Filesize
3.3MB

Download
memory/2184-39-0x0000000005BB0000-0x0000000005BCE000-memory.dmp

Filesize
120KB

Download
memory/2184-40-0x0000000005C00000-0x0000000005C4C000-memory.dmp

Filesize
304KB

Download
memory/3260-9-0x0000000006B20000-0x0000000006BE0000-memory.dmp

Filesize
768KB

Download
memory/3260-8-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/3260-22-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/3260-4-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/3260-3-0x0000000005990000-0x0000000005A22000-memory.dmp

Filesize
584KB

Download
memory/3260-1-0x0000000000DE0000-0x0000000000ECA000-memory.dmp

Filesize
936KB

Download
memory/3260-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/3260-5-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/3260-0-0x000000007534E000-0x000000007534F000-memory.dmp

Filesize
4KB

Download
memory/3260-6-0x00000000084A0000-0x00000000084B8000-memory.dmp

Filesize
96KB

Download
memory/3260-7-0x000000007534E000-0x000000007534F000-memory.dmp

Filesize
4KB

Download
memory/3260-10-0x0000000006DE0000-0x0000000006E7C000-memory.dmp

Filesize
624KB

Download
memory/3984-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3984-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download