remcos | 07731b7022fbbd94f460e546f38eb9f2be1ffeade82e04bda4803f12cf70a46b

General

Target

d3994b1e2d7178cf1a0deacc455f3803.exe
Size

420KB
MD5

d3994b1e2d7178cf1a0deacc455f3803
SHA1

e025ff3da6c3241453a36bb5209bfd898efe11f3
SHA256

07731b7022fbbd94f460e546f38eb9f2be1ffeade82e04bda4803f12cf70a46b
SHA512

93384ee33511ae4f1bc7b785071debdc150c6bd1dfaf59bea3f9ec54785d238995e062b4ec5770dc539cf471caeb0a24507c5d89a1d3d4d85086fd049ce034b9
SSDEEP

6144:f9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe3:fgUJHX+nOjhBq1j2AWE

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

524 ftermgr.exe
1480 ftermgr.exe
Loads dropped DLL 6 IoCs

Processes:

powershell.exeWerFault.exe

pid process

3004 powershell.exe
2260 WerFault.exe
2260 WerFault.exe
2260 WerFault.exe
2260 WerFault.exe
2260 WerFault.exe

pid	process
524	ftermgr.exe
1480	ftermgr.exe

pid	process
3004	powershell.exe
2260	WerFault.exe
2260	WerFault.exe
2260	WerFault.exe
2260	WerFault.exe
2260	WerFault.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

Processes:

resource	yara_rule
behavioral1/memory/2028-2-0x0000000000260000-0x0000000000276000-memory.dmp	agile_net
behavioral1/memory/524-22-0x0000000000280000-0x0000000000296000-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-1-5-21-452311807-3713411997-1028535425-1000\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 524 set thread context of 1480 524 ftermgr.exe ftermgr.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2260 524 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 524 set thread context of 1480	524	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
2260	524	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

d3994b1e2d7178cf1a0deacc455f3803.exepowershell.exeftermgr.exe

pid	process
2028	d3994b1e2d7178cf1a0deacc455f3803.exe
2028	d3994b1e2d7178cf1a0deacc455f3803.exe
2028	d3994b1e2d7178cf1a0deacc455f3803.exe
2028	d3994b1e2d7178cf1a0deacc455f3803.exe
3004	powershell.exe
3004	powershell.exe
3004	powershell.exe
524	ftermgr.exe
524	ftermgr.exe
524	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

d3994b1e2d7178cf1a0deacc455f3803.exepowershell.exeftermgr.exe

description	pid	process
Token: SeDebugPrivilege	2028	d3994b1e2d7178cf1a0deacc455f3803.exe
Token: SeDebugPrivilege	3004	powershell.exe
Token: SeDebugPrivilege	524	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ftermgr.exe

pid process

1480 ftermgr.exe

pid	process
1480	ftermgr.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

d3994b1e2d7178cf1a0deacc455f3803.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 2028 wrote to memory of 2788	2028	d3994b1e2d7178cf1a0deacc455f3803.exe	cmd.exe
PID 2028 wrote to memory of 2788	2028	d3994b1e2d7178cf1a0deacc455f3803.exe	cmd.exe
PID 2028 wrote to memory of 2788	2028	d3994b1e2d7178cf1a0deacc455f3803.exe	cmd.exe
PID 2028 wrote to memory of 2788	2028	d3994b1e2d7178cf1a0deacc455f3803.exe	cmd.exe
PID 2788 wrote to memory of 2712	2788	cmd.exe	reg.exe
PID 2788 wrote to memory of 2712	2788	cmd.exe	reg.exe
PID 2788 wrote to memory of 2712	2788	cmd.exe	reg.exe
PID 2788 wrote to memory of 2712	2788	cmd.exe	reg.exe
PID 2028 wrote to memory of 3004	2028	d3994b1e2d7178cf1a0deacc455f3803.exe	powershell.exe
PID 2028 wrote to memory of 3004	2028	d3994b1e2d7178cf1a0deacc455f3803.exe	powershell.exe
PID 2028 wrote to memory of 3004	2028	d3994b1e2d7178cf1a0deacc455f3803.exe	powershell.exe
PID 2028 wrote to memory of 3004	2028	d3994b1e2d7178cf1a0deacc455f3803.exe	powershell.exe
PID 3004 wrote to memory of 524	3004	powershell.exe	ftermgr.exe
PID 3004 wrote to memory of 524	3004	powershell.exe	ftermgr.exe
PID 3004 wrote to memory of 524	3004	powershell.exe	ftermgr.exe
PID 3004 wrote to memory of 524	3004	powershell.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 1480	524	ftermgr.exe	ftermgr.exe
PID 524 wrote to memory of 2260	524	ftermgr.exe	WerFault.exe
PID 524 wrote to memory of 2260	524	ftermgr.exe	WerFault.exe
PID 524 wrote to memory of 2260	524	ftermgr.exe	WerFault.exe
PID 524 wrote to memory of 2260	524	ftermgr.exe	WerFault.exe

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:2028

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:2788

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:2712

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:3004

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:524

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 924
4⤵
- Loads dropped DLL
- Program crash
PID:2260

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

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

MD5
d3994b1e2d7178cf1a0deacc455f3803

SHA1
e025ff3da6c3241453a36bb5209bfd898efe11f3

SHA256
07731b7022fbbd94f460e546f38eb9f2be1ffeade82e04bda4803f12cf70a46b

SHA512
93384ee33511ae4f1bc7b785071debdc150c6bd1dfaf59bea3f9ec54785d238995e062b4ec5770dc539cf471caeb0a24507c5d89a1d3d4d85086fd049ce034b9

Download Submit
memory/524-26-0x0000000000930000-0x0000000000970000-memory.dmp

Filesize
256KB

Download
memory/524-25-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/524-24-0x00000000700F0000-0x00000000707DE000-memory.dmp

Filesize
6.9MB

Download
memory/524-23-0x0000000000930000-0x0000000000970000-memory.dmp

Filesize
256KB

Download
memory/524-20-0x00000000700F0000-0x00000000707DE000-memory.dmp

Filesize
6.9MB

Download
memory/524-21-0x0000000000980000-0x00000000009F0000-memory.dmp

Filesize
448KB

Download
memory/524-22-0x0000000000280000-0x0000000000296000-memory.dmp

Filesize
88KB

Download
memory/1480-29-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-27-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-51-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-47-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-39-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-40-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-38-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-35-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1480-32-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-31-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-30-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1480-28-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2028-7-0x00000000006E0000-0x00000000006E8000-memory.dmp

Filesize
32KB

Download
memory/2028-6-0x0000000000440000-0x0000000000448000-memory.dmp

Filesize
32KB

Download
memory/2028-2-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2028-0-0x0000000001330000-0x00000000013A0000-memory.dmp

Filesize
448KB

Download
memory/2028-3-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/2028-4-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-5-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/2028-1-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-10-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-9-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/3004-19-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download
memory/3004-15-0x0000000000430000-0x0000000000470000-memory.dmp

Filesize
256KB

Download
memory/3004-14-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download
memory/3004-13-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads