remcos | 07731b7022fbbd94f460e546f38eb9f2be1ffeade82e04bda4803f12cf70a46b

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 13:13

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
d3994b1e2d7178cf1a0deacc455f3803.exe
Size 420KB
Sample240318-qgbppahe67
SHA256 07731b7022fbbd94f460e546f38eb9f2be1ffeade82e04bda4803f12cf70a46b
MD5 d3994b1e2d7178cf1a0deacc455f3803
SHA1 e025ff3da6c3241453a36bb5209bfd898efe11f3
SHA512 93384ee33511ae4f1bc7b785071debdc150c6bd1dfaf59bea3f9ec54785d238995e062b4ec5770dc539cf471caeb0a24507c5d89a1d3d4d85086fd049ce034b9
SSDEEP 6144:f9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe3:fgUJHX+nOjhBq1j2AWE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos buddy agilenet persistence rat

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

Buddy

eastsidepapi.myq-see.com:6996

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Buddy.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Buddy-PVO134
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Buddy
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Executes dropped EXE 2 IoCs

pid	Process
2108	ftermgr.exe
2936	ftermgr.exe

Obfuscated with Agile.Net obfuscator 2 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/1012-2-0x0000000003310000-0x0000000003326000-memory.dmp	agile_net
behavioral2/memory/2108-45-0x00000000028B0000-0x00000000028C6000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\progmfil = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Local\\ftermgr.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2108 set thread context of 2936	2108	ftermgr.exe	109

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4832	2108	WerFault.exe	107

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
1012	d3994b1e2d7178cf1a0deacc455f3803.exe
2016	powershell.exe
2016	powershell.exe
2016	powershell.exe
2108	ftermgr.exe
2108	ftermgr.exe
2108	ftermgr.exe
2108	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	d3994b1e2d7178cf1a0deacc455f3803.exe
Token: SeDebugPrivilege	2016	powershell.exe
Token: SeDebugPrivilege	2108	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2936	ftermgr.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 692	1012	d3994b1e2d7178cf1a0deacc455f3803.exe	99
PID 1012 wrote to memory of 692	1012	d3994b1e2d7178cf1a0deacc455f3803.exe	99
PID 1012 wrote to memory of 692	1012	d3994b1e2d7178cf1a0deacc455f3803.exe	99
PID 692 wrote to memory of 4972	692	cmd.exe	101
PID 692 wrote to memory of 4972	692	cmd.exe	101
PID 692 wrote to memory of 4972	692	cmd.exe	101
PID 1012 wrote to memory of 2016	1012	d3994b1e2d7178cf1a0deacc455f3803.exe	105
PID 1012 wrote to memory of 2016	1012	d3994b1e2d7178cf1a0deacc455f3803.exe	105
PID 1012 wrote to memory of 2016	1012	d3994b1e2d7178cf1a0deacc455f3803.exe	105
PID 2016 wrote to memory of 2108	2016	powershell.exe	107
PID 2016 wrote to memory of 2108	2016	powershell.exe	107
PID 2016 wrote to memory of 2108	2016	powershell.exe	107
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109
PID 2108 wrote to memory of 2936	2108	ftermgr.exe	109

C:\Users\Admin\AppData\Local\Temp\d3994b1e2d7178cf1a0deacc455f3803.exe
"C:\Users\Admin\AppData\Local\Temp\d3994b1e2d7178cf1a0deacc455f3803.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:692
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
    3⤵
    - Adds Run key to start application
    PID:4972
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Local\ftermgr.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Users\Admin\AppData\Local\ftermgr.exe
    "C:\Users\Admin\AppData\Local\ftermgr.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Users\Admin\AppData\Local\ftermgr.exe
      "C:\Users\Admin\AppData\Local\ftermgr.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetWindowsHookEx
      PID:2936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2108 -s 1500
      4⤵
      Program crash
      PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2108 -ip 2108
1⤵
PID:3988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_xklrf4rm.omv.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xklrf4rm.omv.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

ftermgr.exe

Path C:\Users\Admin\AppData\Local\ftermgr.exe
Size 420KB
SHA256 07731b7022fbbd94f460e546f38eb9f2be1ffeade82e04bda4803f12cf70a46b
MD5 d3994b1e2d7178cf1a0deacc455f3803
SHA1 e025ff3da6c3241453a36bb5209bfd898efe11f3
SHA512 93384ee33511ae4f1bc7b785071debdc150c6bd1dfaf59bea3f9ec54785d238995e062b4ec5770dc539cf471caeb0a24507c5d89a1d3d4d85086fd049ce034b9
SSDEEP 6144:f9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe3:fgUJHX+nOjhBq1j2AWE
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1012-11-0x0000000005C60000-0x0000000005C70000-memory.dmp

Download

memory/1012-2-0x0000000003310000-0x0000000003326000-memory.dmp

Download

memory/1012-4-0x0000000006690000-0x0000000006C34000-memory.dmp

Download

memory/1012-5-0x0000000005F30000-0x0000000005F38000-memory.dmp

Download

memory/1012-6-0x0000000006220000-0x00000000062B2000-memory.dmp

Download

memory/1012-8-0x0000000006210000-0x0000000006218000-memory.dmp

Download

memory/1012-7-0x0000000005C60000-0x0000000005C70000-memory.dmp

Download

memory/1012-9-0x00000000065C0000-0x0000000006604000-memory.dmp

Download

memory/1012-10-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Download

memory/1012-1-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Download

memory/1012-12-0x0000000006340000-0x0000000006348000-memory.dmp

Download

memory/1012-14-0x0000000005C60000-0x0000000005C70000-memory.dmp

Download

memory/1012-16-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Download

memory/1012-0-0x0000000000FB0000-0x0000000001020000-memory.dmp

Download

memory/1012-3-0x0000000005C60000-0x0000000005C70000-memory.dmp

Download

memory/2016-20-0x0000000005140000-0x0000000005150000-memory.dmp

Download

memory/2016-46-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Download

memory/2016-21-0x0000000005780000-0x0000000005DA8000-memory.dmp

Download

memory/2016-22-0x0000000005580000-0x00000000055A2000-memory.dmp

Download

memory/2016-23-0x0000000005F60000-0x0000000005FC6000-memory.dmp

Download

memory/2016-35-0x0000000006650000-0x000000000666E000-memory.dmp

Download

memory/2016-24-0x0000000005FD0000-0x0000000006036000-memory.dmp

Download

memory/2016-19-0x0000000005140000-0x0000000005150000-memory.dmp

Download

memory/2016-34-0x00000000062D0000-0x0000000006624000-memory.dmp

Download

memory/2016-18-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Download

memory/2016-37-0x0000000006C20000-0x0000000006CB6000-memory.dmp

Download

memory/2016-39-0x0000000006B50000-0x0000000006B72000-memory.dmp

Download

memory/2016-38-0x0000000006B00000-0x0000000006B1A000-memory.dmp

Download

memory/2016-36-0x0000000006670000-0x00000000066BC000-memory.dmp

Download

memory/2016-17-0x0000000005070000-0x00000000050A6000-memory.dmp

Download

memory/2108-51-0x0000000005940000-0x000000000594A000-memory.dmp

Download

memory/2108-52-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

Download

memory/2108-47-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

Download

memory/2108-48-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

Download

memory/2108-49-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Download

memory/2108-50-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

Download

memory/2108-45-0x00000000028B0000-0x00000000028C6000-memory.dmp

Download

memory/2108-61-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Download

memory/2108-44-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Download

memory/2936-56-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/2936-53-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/2936-59-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/2936-60-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/2936-57-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/2936-64-0x0000000000400000-0x0000000000420000-memory.dmp

Download