remcos | 072aefc1a185ec483b10dfee719aa437c9c0c0772bb05dee0ff8303f107ca2c4

General

Target

0ce9986f40ca48cd895f2cc83cd61ecf.exe
Size

420KB
MD5

0ce9986f40ca48cd895f2cc83cd61ecf
SHA1

771f17bbe3f77ba801f8b87d88e5e5f13c5dd56c
SHA256

072aefc1a185ec483b10dfee719aa437c9c0c0772bb05dee0ff8303f107ca2c4
SHA512

ab4db9572aaf76497545bfd612ad1cf6eb62ac1c054e82bbd3539ef551aa5d460f8cc248584ccd7d19d2e8553185be01db5cd6b0ef6ce83499f6f4dce3582e22
SSDEEP

6144:i9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe+:igUJHX+nOjhBq1j2AWt

Score

10^/10

remcos buddy agilenet persistence rat

Malware Config

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

344 ftermgr.exe
1544 ftermgr.exe
Loads dropped DLL 6 IoCs

Processes:

powershell.exeWerFault.exe

pid process

2092 powershell.exe
524 WerFault.exe
524 WerFault.exe
524 WerFault.exe
524 WerFault.exe
524 WerFault.exe

pid	process
344	ftermgr.exe
1544	ftermgr.exe

pid	process
2092	powershell.exe
524	WerFault.exe
524	WerFault.exe
524	WerFault.exe
524	WerFault.exe
524	WerFault.exe

Obfuscated with Agile.Net obfuscator 3 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/2204-2-0x00000000002E0000-0x00000000002F6000-memory.dmp	agile_net
behavioral1/memory/344-24-0x00000000001E0000-0x00000000001F6000-memory.dmp	agile_net
behavioral1/memory/344-25-0x0000000004BA0000-0x0000000004BE0000-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-1-5-21-3427588347-1492276948-3422228430-1000\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 344 set thread context of 1544 344 ftermgr.exe ftermgr.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

524 344 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 344 set thread context of 1544	344	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
524	344	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.exepowershell.exeftermgr.exe

pid	process
2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe
2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe
2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe
2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe
2092	powershell.exe
2092	powershell.exe
2092	powershell.exe
344	ftermgr.exe
344	ftermgr.exe
344	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.exepowershell.exeftermgr.exe

description	pid	process
Token: SeDebugPrivilege	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe
Token: SeDebugPrivilege	2092	powershell.exe
Token: SeDebugPrivilege	344	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ftermgr.exe

pid process

1544 ftermgr.exe

pid	process
1544	ftermgr.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 2204 wrote to memory of 2824	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 2204 wrote to memory of 2824	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 2204 wrote to memory of 2824	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 2204 wrote to memory of 2824	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 2824 wrote to memory of 2992	2824	cmd.exe	reg.exe
PID 2824 wrote to memory of 2992	2824	cmd.exe	reg.exe
PID 2824 wrote to memory of 2992	2824	cmd.exe	reg.exe
PID 2824 wrote to memory of 2992	2824	cmd.exe	reg.exe
PID 2204 wrote to memory of 2092	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 2204 wrote to memory of 2092	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 2204 wrote to memory of 2092	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 2204 wrote to memory of 2092	2204	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 2092 wrote to memory of 344	2092	powershell.exe	ftermgr.exe
PID 2092 wrote to memory of 344	2092	powershell.exe	ftermgr.exe
PID 2092 wrote to memory of 344	2092	powershell.exe	ftermgr.exe
PID 2092 wrote to memory of 344	2092	powershell.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 1544	344	ftermgr.exe	ftermgr.exe
PID 344 wrote to memory of 524	344	ftermgr.exe	WerFault.exe
PID 344 wrote to memory of 524	344	ftermgr.exe	WerFault.exe
PID 344 wrote to memory of 524	344	ftermgr.exe	WerFault.exe
PID 344 wrote to memory of 524	344	ftermgr.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\0ce9986f40ca48cd895f2cc83cd61ecf.exe
"C:\Users\Admin\AppData\Local\Temp\0ce9986f40ca48cd895f2cc83cd61ecf.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204

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:2824

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:2992

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:2092

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:344

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 344 -s 924
4⤵
- Loads dropped DLL
- Program crash
PID:524

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\ftermgr.exe
Filesize
420KB

MD5
0ce9986f40ca48cd895f2cc83cd61ecf

SHA1
771f17bbe3f77ba801f8b87d88e5e5f13c5dd56c

SHA256
072aefc1a185ec483b10dfee719aa437c9c0c0772bb05dee0ff8303f107ca2c4

SHA512
ab4db9572aaf76497545bfd612ad1cf6eb62ac1c054e82bbd3539ef551aa5d460f8cc248584ccd7d19d2e8553185be01db5cd6b0ef6ce83499f6f4dce3582e22

Download Submit
memory/344-30-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/344-27-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/344-26-0x0000000070200000-0x00000000708EE000-memory.dmp

Filesize
6.9MB

Download
memory/344-25-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/344-24-0x00000000001E0000-0x00000000001F6000-memory.dmp

Filesize
88KB

Download
memory/344-23-0x0000000070200000-0x00000000708EE000-memory.dmp

Filesize
6.9MB

Download
memory/344-21-0x0000000000C70000-0x0000000000CE0000-memory.dmp

Filesize
448KB

Download
memory/1544-34-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1544-55-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-43-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-47-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-46-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-42-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-39-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-36-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-35-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-33-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-31-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1544-28-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2092-22-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-13-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-14-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-15-0x00000000023F0000-0x0000000002430000-memory.dmp

Filesize
256KB

Download
memory/2092-16-0x00000000023F0000-0x0000000002430000-memory.dmp

Filesize
256KB

Download
memory/2092-17-0x00000000023F0000-0x0000000002430000-memory.dmp

Filesize
256KB

Download
memory/2204-5-0x0000000000410000-0x0000000000418000-memory.dmp

Filesize
32KB

Download
memory/2204-0-0x0000000000F20000-0x0000000000F90000-memory.dmp

Filesize
448KB

Download
memory/2204-7-0x00000000004B0000-0x00000000004B8000-memory.dmp

Filesize
32KB

Download
memory/2204-10-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2204-9-0x0000000000340000-0x0000000000380000-memory.dmp

Filesize
256KB

Download
memory/2204-6-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2204-3-0x0000000000330000-0x0000000000338000-memory.dmp

Filesize
32KB

Download
memory/2204-1-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2204-4-0x0000000000340000-0x0000000000380000-memory.dmp

Filesize
256KB

Download
memory/2204-2-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads