remcos | 576ac1695ed2925ded19a4b1cd1b93c1154eedadca1381469f3e799c2357ef31

General

Target

d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
Size

420KB
MD5

d20ea7ca9b2cc27ccdb4eb9bc91d922e
SHA1

5b7ec5a5fd1d267f78aa309e533161a6fc5f040c
SHA256

576ac1695ed2925ded19a4b1cd1b93c1154eedadca1381469f3e799c2357ef31
SHA512

e325ad214d62fdd6a8918e8451ef741ae19717a42560a29a786d4ca88ec5d13fc42fdcba6b6d95649e50d91b408fcc2221cea752cfb77ac2f63b3f8d7019b9d3
SSDEEP

6144:f9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAeg:fgUJHX+nOjhBq1j2AWz

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

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/1072-2-0x00000000002C0000-0x00000000002D6000-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-1-5-21-3627615824-4061627003-3019543961-1000\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

1716 2472 WerFault.exe ftermgr.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d20ea7ca9b2cc27ccdb4eb9bc91d922e.exepowershell.exe

pid process

1072 d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1072 d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1072 d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
2672 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d20ea7ca9b2cc27ccdb4eb9bc91d922e.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1072 d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
Token: SeDebugPrivilege 2672 powershell.exe

pid	pid_target	process	target process
1716	2472	WerFault.exe	ftermgr.exe

pid	process
1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
2672	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
Token: SeDebugPrivilege	2672	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

d20ea7ca9b2cc27ccdb4eb9bc91d922e.execmd.exe

description	pid	process	target process
PID 1072 wrote to memory of 2184	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	cmd.exe
PID 1072 wrote to memory of 2184	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	cmd.exe
PID 1072 wrote to memory of 2184	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	cmd.exe
PID 1072 wrote to memory of 2184	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	cmd.exe
PID 2184 wrote to memory of 2536	2184	cmd.exe	reg.exe
PID 2184 wrote to memory of 2536	2184	cmd.exe	reg.exe
PID 2184 wrote to memory of 2536	2184	cmd.exe	reg.exe
PID 2184 wrote to memory of 2536	2184	cmd.exe	reg.exe
PID 1072 wrote to memory of 2672	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	powershell.exe
PID 1072 wrote to memory of 2672	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	powershell.exe
PID 1072 wrote to memory of 2672	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	powershell.exe
PID 1072 wrote to memory of 2672	1072	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
"C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072

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:2184

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:2672

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
3⤵
PID:2472

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
PID:768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 932
4⤵
- Program crash
PID:1716

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"
1⤵
- Adds Run key to start application
PID:2536

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\ftermgr.exe
Filesize
93KB

MD5
6aaf29b2e0fa60464e4b36dbd1df9ac6

SHA1
a8caabad8269eaa4412bbbf91f6cb4a85c091f8e

SHA256
5b7607ec78aa7351d7b2d6ba6e9894b0a09df0dfca6dcf554a3c3e5b734ed32a

SHA512
193cf62fcef5947d1a3f58272a64df2b78f1ee0bf23cb68c4037824556042187edaea637d12a7f4ccd7e43006a32a683b20cf51e3e2da24391d60b1baddae182

Download Submit
\Users\Admin\AppData\Local\ftermgr.exe
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/768-30-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-42-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-46-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-51-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-54-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/768-36-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-34-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-32-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-28-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-25-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/768-50-0x00000000000F0000-0x0000000000110000-memory.dmp

Filesize
128KB

Download
memory/1072-0-0x0000000001180000-0x00000000011F0000-memory.dmp

Filesize
448KB

Download
memory/1072-3-0x0000000000620000-0x0000000000628000-memory.dmp

Filesize
32KB

Download
memory/1072-1-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/1072-5-0x0000000000640000-0x0000000000648000-memory.dmp

Filesize
32KB

Download
memory/1072-9-0x00000000003E0000-0x0000000000420000-memory.dmp

Filesize
256KB

Download
memory/1072-2-0x00000000002C0000-0x00000000002D6000-memory.dmp

Filesize
88KB

Download
memory/1072-4-0x00000000003E0000-0x0000000000420000-memory.dmp

Filesize
256KB

Download
memory/1072-6-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/1072-7-0x00000000006E0000-0x00000000006E8000-memory.dmp

Filesize
32KB

Download
memory/1072-10-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/2472-22-0x0000000004920000-0x0000000004960000-memory.dmp

Filesize
256KB

Download
memory/2472-27-0x0000000004920000-0x0000000004960000-memory.dmp

Filesize
256KB

Download
memory/2472-24-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/2472-23-0x00000000700A0000-0x000000007078E000-memory.dmp

Filesize
6.9MB

Download
memory/2472-21-0x0000000000060000-0x00000000000D0000-memory.dmp

Filesize
448KB

Download
memory/2472-20-0x00000000700A0000-0x000000007078E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-15-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/2672-14-0x0000000073B90000-0x000000007413B000-memory.dmp

Filesize
5.7MB

Download
memory/2672-19-0x0000000073B90000-0x000000007413B000-memory.dmp

Filesize
5.7MB

Download
memory/2672-13-0x0000000073B90000-0x000000007413B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads