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

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
behavioral2/memory/532-2-0x00000000028C0000-0x00000000028D6000-memory.dmp	agile_net
behavioral2/memory/3972-45-0x0000000000D30000-0x0000000000D46000-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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\progmfil = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Local\\ftermgr.exe"	reg.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5052 3972 WerFault.exe ftermgr.exe

pid	pid_target	process	target process
5052	3972	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

d3994b1e2d7178cf1a0deacc455f3803.exepowershell.exe

pid	process
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
532	d3994b1e2d7178cf1a0deacc455f3803.exe
2300	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d3994b1e2d7178cf1a0deacc455f3803.exepowershell.exe

description pid process

Token: SeDebugPrivilege 532 d3994b1e2d7178cf1a0deacc455f3803.exe
Token: SeDebugPrivilege 2300 powershell.exe

description	pid	process
Token: SeDebugPrivilege	532	d3994b1e2d7178cf1a0deacc455f3803.exe
Token: SeDebugPrivilege	2300	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d3994b1e2d7178cf1a0deacc455f3803.execmd.exe

description	pid	process	target process
PID 532 wrote to memory of 1096	532	d3994b1e2d7178cf1a0deacc455f3803.exe	cmd.exe
PID 532 wrote to memory of 1096	532	d3994b1e2d7178cf1a0deacc455f3803.exe	cmd.exe
PID 532 wrote to memory of 1096	532	d3994b1e2d7178cf1a0deacc455f3803.exe	cmd.exe
PID 1096 wrote to memory of 1152	1096	cmd.exe	reg.exe
PID 1096 wrote to memory of 1152	1096	cmd.exe	reg.exe
PID 1096 wrote to memory of 1152	1096	cmd.exe	reg.exe
PID 532 wrote to memory of 2300	532	d3994b1e2d7178cf1a0deacc455f3803.exe	powershell.exe
PID 532 wrote to memory of 2300	532	d3994b1e2d7178cf1a0deacc455f3803.exe	powershell.exe
PID 532 wrote to memory of 2300	532	d3994b1e2d7178cf1a0deacc455f3803.exe	powershell.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:532

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:1096

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:1152

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
PID:2300

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
3⤵
PID:3972

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 1484
4⤵
- Program crash
PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3972 -ip 3972
1⤵
PID:3288

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

memory/532-1-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/532-2-0x00000000028C0000-0x00000000028D6000-memory.dmp

Filesize
88KB

Download
memory/532-3-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/532-0-0x0000000000580000-0x00000000005F0000-memory.dmp

Filesize
448KB

Download
memory/532-4-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/532-6-0x00000000057B0000-0x0000000005842000-memory.dmp

Filesize
584KB

Download
memory/532-5-0x00000000051D0000-0x00000000051D8000-memory.dmp

Filesize
32KB

Download
memory/532-9-0x0000000006210000-0x0000000006254000-memory.dmp

Filesize
272KB

Download
memory/532-7-0x0000000005BF0000-0x0000000005BF8000-memory.dmp

Filesize
32KB

Download
memory/532-8-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/532-10-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/532-11-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/532-12-0x0000000005C20000-0x0000000005C28000-memory.dmp

Filesize
32KB

Download
memory/532-14-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/532-17-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/2300-19-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/2300-39-0x0000000006990000-0x00000000069B2000-memory.dmp

Filesize
136KB

Download
memory/2300-22-0x0000000005BE0000-0x0000000005C02000-memory.dmp

Filesize
136KB

Download
memory/2300-26-0x0000000005DF0000-0x0000000005E56000-memory.dmp

Filesize
408KB

Download
memory/2300-23-0x0000000005D80000-0x0000000005DE6000-memory.dmp

Filesize
408KB

Download
memory/2300-34-0x0000000005F60000-0x00000000062B4000-memory.dmp

Filesize
3.3MB

Download
memory/2300-20-0x0000000002B10000-0x0000000002B20000-memory.dmp

Filesize
64KB

Download
memory/2300-16-0x0000000004EF0000-0x0000000004F26000-memory.dmp

Filesize
216KB

Download
memory/2300-35-0x0000000006450000-0x000000000646E000-memory.dmp

Filesize
120KB

Download
memory/2300-36-0x00000000064A0000-0x00000000064EC000-memory.dmp

Filesize
304KB

Download
memory/2300-18-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/2300-46-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/2300-38-0x0000000006920000-0x000000000693A000-memory.dmp

Filesize
104KB

Download
memory/2300-37-0x00000000074F0000-0x0000000007586000-memory.dmp

Filesize
600KB

Download
memory/2300-21-0x0000000002B10000-0x0000000002B20000-memory.dmp

Filesize
64KB

Download
memory/3408-64-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3408-53-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3408-56-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3408-57-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3408-59-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3408-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3972-47-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/3972-52-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/3972-51-0x0000000005B20000-0x0000000005B2A000-memory.dmp

Filesize
40KB

Download
memory/3972-50-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/3972-49-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3972-48-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/3972-44-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3972-61-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3972-45-0x0000000000D30000-0x0000000000D46000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads