remcos | b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7

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

C2

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

C2

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

Processes:

ftermgr.exeftermgr.exe

pid process

2392 ftermgr.exe
1744 ftermgr.exe
Loads dropped DLL 6 IoCs

Processes:

powershell.exeWerFault.exe

pid process

2484 powershell.exe
2848 WerFault.exe
2848 WerFault.exe
2848 WerFault.exe
2848 WerFault.exe
2848 WerFault.exe

pid	process
2392	ftermgr.exe
1744	ftermgr.exe

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

Processes:

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

Processes:

reg.exe

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

Processes:

ftermgr.exe

description pid process target process

PID 2392 set thread context of 1744 2392 ftermgr.exe ftermgr.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2848 2392 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 2392 set thread context of 1744	2392	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
2848	2392	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

c5d83978e778e5917e5c899e150c0348.exepowershell.exeftermgr.exe

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

Processes:

c5d83978e778e5917e5c899e150c0348.exepowershell.exeftermgr.exe

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

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ftermgr.exe

pid process

1744 ftermgr.exe

pid	process
1744	ftermgr.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

c5d83978e778e5917e5c899e150c0348.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 300 wrote to memory of 2548	300	c5d83978e778e5917e5c899e150c0348.exe	cmd.exe
PID 300 wrote to memory of 2548	300	c5d83978e778e5917e5c899e150c0348.exe	cmd.exe
PID 300 wrote to memory of 2548	300	c5d83978e778e5917e5c899e150c0348.exe	cmd.exe
PID 300 wrote to memory of 2548	300	c5d83978e778e5917e5c899e150c0348.exe	cmd.exe
PID 2548 wrote to memory of 2684	2548	cmd.exe	reg.exe
PID 2548 wrote to memory of 2684	2548	cmd.exe	reg.exe
PID 2548 wrote to memory of 2684	2548	cmd.exe	reg.exe
PID 2548 wrote to memory of 2684	2548	cmd.exe	reg.exe
PID 300 wrote to memory of 2484	300	c5d83978e778e5917e5c899e150c0348.exe	powershell.exe
PID 300 wrote to memory of 2484	300	c5d83978e778e5917e5c899e150c0348.exe	powershell.exe
PID 300 wrote to memory of 2484	300	c5d83978e778e5917e5c899e150c0348.exe	powershell.exe
PID 300 wrote to memory of 2484	300	c5d83978e778e5917e5c899e150c0348.exe	powershell.exe
PID 2484 wrote to memory of 2392	2484	powershell.exe	ftermgr.exe
PID 2484 wrote to memory of 2392	2484	powershell.exe	ftermgr.exe
PID 2484 wrote to memory of 2392	2484	powershell.exe	ftermgr.exe
PID 2484 wrote to memory of 2392	2484	powershell.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 1744	2392	ftermgr.exe	ftermgr.exe
PID 2392 wrote to memory of 2848	2392	ftermgr.exe	WerFault.exe
PID 2392 wrote to memory of 2848	2392	ftermgr.exe	WerFault.exe
PID 2392 wrote to memory of 2848	2392	ftermgr.exe	WerFault.exe
PID 2392 wrote to memory of 2848	2392	ftermgr.exe	WerFault.exe

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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads