remcos | f41fc6480ca831a072c88d512b3ca96264c7d8652d30224b2f88465139dc8319

General

Target

016153c37340d7dd4d45563208a25928.exe
Size

420KB
MD5

016153c37340d7dd4d45563208a25928
SHA1

591f8da7ede0f741c04ec18348999e7a39e96183
SHA256

f41fc6480ca831a072c88d512b3ca96264c7d8652d30224b2f88465139dc8319
SHA512

bdd7af6d07f38eae6e7500ac6d6d5175889e82a4d515025d6899049b1d56f46196d8a418e2b82a94865c7236a44e78f29af551548810f07fba1b6afce30e830f
SSDEEP

6144:49g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAel:4gUJHX+nOjhBq1j2AWK

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

2916 ftermgr.exe
1620 ftermgr.exe
Loads dropped DLL 6 IoCs

Processes:

powershell.exeWerFault.exe

pid process

2796 powershell.exe
2784 WerFault.exe
2784 WerFault.exe
2784 WerFault.exe
2784 WerFault.exe
2784 WerFault.exe

pid	process
2916	ftermgr.exe
1620	ftermgr.exe

pid	process
2796	powershell.exe
2784	WerFault.exe
2784	WerFault.exe
2784	WerFault.exe
2784	WerFault.exe
2784	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/2084-2-0x0000000000230000-0x0000000000246000-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-1-5-21-2444714103-3190537498-3629098939-1000\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 2916 set thread context of 1620 2916 ftermgr.exe ftermgr.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2784 2916 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 2916 set thread context of 1620	2916	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
2784	2916	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

016153c37340d7dd4d45563208a25928.exepowershell.exeftermgr.exe

pid	process
2084	016153c37340d7dd4d45563208a25928.exe
2084	016153c37340d7dd4d45563208a25928.exe
2084	016153c37340d7dd4d45563208a25928.exe
2796	powershell.exe
2796	powershell.exe
2796	powershell.exe
2916	ftermgr.exe
2916	ftermgr.exe
2916	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

016153c37340d7dd4d45563208a25928.exepowershell.exeftermgr.exe

description	pid	process
Token: SeDebugPrivilege	2084	016153c37340d7dd4d45563208a25928.exe
Token: SeDebugPrivilege	2796	powershell.exe
Token: SeDebugPrivilege	2916	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ftermgr.exe

pid process

1620 ftermgr.exe

pid	process
1620	ftermgr.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

016153c37340d7dd4d45563208a25928.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 2084 wrote to memory of 2740	2084	016153c37340d7dd4d45563208a25928.exe	cmd.exe
PID 2084 wrote to memory of 2740	2084	016153c37340d7dd4d45563208a25928.exe	cmd.exe
PID 2084 wrote to memory of 2740	2084	016153c37340d7dd4d45563208a25928.exe	cmd.exe
PID 2084 wrote to memory of 2740	2084	016153c37340d7dd4d45563208a25928.exe	cmd.exe
PID 2740 wrote to memory of 2620	2740	cmd.exe	reg.exe
PID 2740 wrote to memory of 2620	2740	cmd.exe	reg.exe
PID 2740 wrote to memory of 2620	2740	cmd.exe	reg.exe
PID 2740 wrote to memory of 2620	2740	cmd.exe	reg.exe
PID 2084 wrote to memory of 2796	2084	016153c37340d7dd4d45563208a25928.exe	powershell.exe
PID 2084 wrote to memory of 2796	2084	016153c37340d7dd4d45563208a25928.exe	powershell.exe
PID 2084 wrote to memory of 2796	2084	016153c37340d7dd4d45563208a25928.exe	powershell.exe
PID 2084 wrote to memory of 2796	2084	016153c37340d7dd4d45563208a25928.exe	powershell.exe
PID 2796 wrote to memory of 2916	2796	powershell.exe	ftermgr.exe
PID 2796 wrote to memory of 2916	2796	powershell.exe	ftermgr.exe
PID 2796 wrote to memory of 2916	2796	powershell.exe	ftermgr.exe
PID 2796 wrote to memory of 2916	2796	powershell.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 1620	2916	ftermgr.exe	ftermgr.exe
PID 2916 wrote to memory of 2784	2916	ftermgr.exe	WerFault.exe
PID 2916 wrote to memory of 2784	2916	ftermgr.exe	WerFault.exe
PID 2916 wrote to memory of 2784	2916	ftermgr.exe	WerFault.exe
PID 2916 wrote to memory of 2784	2916	ftermgr.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\016153c37340d7dd4d45563208a25928.exe
"C:\Users\Admin\AppData\Local\Temp\016153c37340d7dd4d45563208a25928.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084

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:2740

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:2620

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:2796

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:2916

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 928
4⤵
- Loads dropped DLL
- Program crash
PID:2784

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
420KB

MD5
016153c37340d7dd4d45563208a25928

SHA1
591f8da7ede0f741c04ec18348999e7a39e96183

SHA256
f41fc6480ca831a072c88d512b3ca96264c7d8652d30224b2f88465139dc8319

SHA512
bdd7af6d07f38eae6e7500ac6d6d5175889e82a4d515025d6899049b1d56f46196d8a418e2b82a94865c7236a44e78f29af551548810f07fba1b6afce30e830f

Download Submit
\Users\Admin\AppData\Local\ftermgr.exe
Filesize
405KB

MD5
b0540eb08ddc0d4daef02fffe63602f6

SHA1
a0e9be8985f88aec426d67f3bfbef3caa32d6e6a

SHA256
9a43618bec6ac29c9fa0c9a20c6b72d9751092feb3e80e30cabd3ed744a5aa57

SHA512
c2464344615b5e26683ba828951861f4512aea9804f08dddf4e19095f7b4f5af826f37d053938238456493a6c37f4d9001256c24c5c6e1a402805de5ebfb30e8

Download Submit
memory/1620-34-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-29-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-41-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-27-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-26-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-30-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-31-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1620-50-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-37-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-38-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-28-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-42-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1620-39-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2084-4-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-1-0x0000000001150000-0x00000000011C0000-memory.dmp

Filesize
448KB

Download
memory/2084-3-0x0000000000370000-0x0000000000378000-memory.dmp

Filesize
32KB

Download
memory/2084-0-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-9-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-7-0x0000000000530000-0x0000000000538000-memory.dmp

Filesize
32KB

Download
memory/2084-6-0x00000000003D0000-0x00000000003D8000-memory.dmp

Filesize
32KB

Download
memory/2084-5-0x0000000004980000-0x00000000049C0000-memory.dmp

Filesize
256KB

Download
memory/2084-2-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/2796-12-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2796-21-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2796-15-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/2796-14-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/2796-13-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2916-25-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/2916-24-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/2916-23-0x0000000070320000-0x0000000070A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2916-22-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/2916-19-0x0000000000EA0000-0x0000000000F10000-memory.dmp

Filesize
448KB

Download
memory/2916-20-0x0000000070320000-0x0000000070A0E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads