remcos | b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 12:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c5d83978e778e5917e5c899e150c0348.exe
Size

420KB
MD5

c5d83978e778e5917e5c899e150c0348
SHA1

8a4c39d05620ab38ca0137764c5ba1f0ba84cf4d
SHA256

b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7
SHA512

1fcad7f731906f2ff19632ad5f5f01cbd48765a5b6c4548e8973ba4668a122f4ec291acc36821bf042d19662f172dff316110c955d18a4c2cd1c9996e65b64c8
SSDEEP

6144:f9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAec:fgUJHX+nOjhBq1j2AWn

Score

10^/10

remcos buddy agilenet persistence rat

Malware Config

Extracted

Family

remcos

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;

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
2392	ftermgr.exe
1744	ftermgr.exe

Loads dropped DLL 6 IoCs

pid	Process
2484	powershell.exe
2848	WerFault.exe
2848	WerFault.exe
2848	WerFault.exe
2848	WerFault.exe
2848	WerFault.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

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

agilenet

resource	yara_rule
behavioral1/memory/300-2-0x0000000000280000-0x0000000000296000-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-1-5-21-406356229-2805545415-1236085040-1000\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 2392 set thread context of 1744	2392	ftermgr.exe	36

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2848	2392	WerFault.exe	35

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
300	c5d83978e778e5917e5c899e150c0348.exe
300	c5d83978e778e5917e5c899e150c0348.exe
300	c5d83978e778e5917e5c899e150c0348.exe
300	c5d83978e778e5917e5c899e150c0348.exe
2484	powershell.exe
2484	powershell.exe
2484	powershell.exe
2392	ftermgr.exe
2392	ftermgr.exe
2392	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	300	c5d83978e778e5917e5c899e150c0348.exe
Token: SeDebugPrivilege	2484	powershell.exe
Token: SeDebugPrivilege	2392	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1744	ftermgr.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 300 wrote to memory of 2548	300	c5d83978e778e5917e5c899e150c0348.exe	28
PID 300 wrote to memory of 2548	300	c5d83978e778e5917e5c899e150c0348.exe	28
PID 300 wrote to memory of 2548	300	c5d83978e778e5917e5c899e150c0348.exe	28
PID 300 wrote to memory of 2548	300	c5d83978e778e5917e5c899e150c0348.exe	28
PID 2548 wrote to memory of 2684	2548	cmd.exe	30
PID 2548 wrote to memory of 2684	2548	cmd.exe	30
PID 2548 wrote to memory of 2684	2548	cmd.exe	30
PID 2548 wrote to memory of 2684	2548	cmd.exe	30
PID 300 wrote to memory of 2484	300	c5d83978e778e5917e5c899e150c0348.exe	33
PID 300 wrote to memory of 2484	300	c5d83978e778e5917e5c899e150c0348.exe	33
PID 300 wrote to memory of 2484	300	c5d83978e778e5917e5c899e150c0348.exe	33
PID 300 wrote to memory of 2484	300	c5d83978e778e5917e5c899e150c0348.exe	33
PID 2484 wrote to memory of 2392	2484	powershell.exe	35
PID 2484 wrote to memory of 2392	2484	powershell.exe	35
PID 2484 wrote to memory of 2392	2484	powershell.exe	35
PID 2484 wrote to memory of 2392	2484	powershell.exe	35
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	36
PID 2392 wrote to memory of 2848	2392	ftermgr.exe	37
PID 2392 wrote to memory of 2848	2392	ftermgr.exe	37
PID 2392 wrote to memory of 2848	2392	ftermgr.exe	37
PID 2392 wrote to memory of 2848	2392	ftermgr.exe	37

C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.exe
"C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:300
- 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:2548
- - 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:2684
- 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⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2484
- - 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:2392
  - - C:\Users\Admin\AppData\Local\ftermgr.exe
      "C:\Users\Admin\AppData\Local\ftermgr.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetWindowsHookEx
      PID:1744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 932
      4⤵
      Loads dropped DLL
      Program crash
      PID:2848

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

C:\Users\Admin\AppData\Local\ftermgr.exe

Filesize
420KB

MD5
c5d83978e778e5917e5c899e150c0348

SHA1
8a4c39d05620ab38ca0137764c5ba1f0ba84cf4d

SHA256
b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7

SHA512
1fcad7f731906f2ff19632ad5f5f01cbd48765a5b6c4548e8973ba4668a122f4ec291acc36821bf042d19662f172dff316110c955d18a4c2cd1c9996e65b64c8

Download Submit
memory/300-1-0x0000000074C80000-0x000000007536E000-memory.dmp

Filesize
6.9MB

Download
memory/300-2-0x0000000000280000-0x0000000000296000-memory.dmp

Filesize
88KB

Download
memory/300-3-0x0000000000550000-0x0000000000558000-memory.dmp

Filesize
32KB

Download
memory/300-4-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download
memory/300-5-0x0000000000570000-0x0000000000578000-memory.dmp

Filesize
32KB

Download
memory/300-6-0x0000000074C80000-0x000000007536E000-memory.dmp

Filesize
6.9MB

Download
memory/300-7-0x00000000007A0000-0x00000000007A8000-memory.dmp

Filesize
32KB

Download
memory/300-9-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download
memory/300-10-0x0000000074C80000-0x000000007536E000-memory.dmp

Filesize
6.9MB

Download
memory/300-0-0x0000000001180000-0x00000000011F0000-memory.dmp

Filesize
448KB

Download
memory/1744-31-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1744-53-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-50-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-49-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-45-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-41-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-35-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-33-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-25-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-29-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1744-28-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2392-27-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/2392-24-0x0000000000820000-0x000000000082A000-memory.dmp

Filesize
40KB

Download
memory/2392-23-0x00000000705F0000-0x0000000070CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2392-22-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/2392-21-0x0000000000F10000-0x0000000000F80000-memory.dmp

Filesize
448KB

Download
memory/2392-20-0x00000000705F0000-0x0000000070CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-13-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-15-0x0000000002690000-0x00000000026D0000-memory.dmp

Filesize
256KB

Download
memory/2484-19-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-14-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download