remcos | e897d756722140b424ac02aab14733d05074d5c40f019c6420bc2689dccd6915

General

Target

ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe
Size

420KB
MD5

ff044509cd6eba3681d1f548574b5d7a
SHA1

d83b30d4bf145fcf8053e190ab9a0af0577d4cee
SHA256

e897d756722140b424ac02aab14733d05074d5c40f019c6420bc2689dccd6915
SHA512

ae1bdc80b0cb1be8261a36fd194620b7efd6c391b508f05d5351c9a0b620f3066342ba4a6543821ed9adbb742a29936b925036f321993c3dde151a08cc5af7e0
SSDEEP

6144:d9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe3:dgUJHX+nOjhBq1j2AWE

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
Executes dropped EXE 2 IoCs

Processes:

ftermgr.exeftermgr.exe

pid process

2120 ftermgr.exe
2364 ftermgr.exe
Loads dropped DLL 6 IoCs

Processes:

powershell.exeWerFault.exe

pid process

2180 powershell.exe
3016 WerFault.exe
3016 WerFault.exe
3016 WerFault.exe
3016 WerFault.exe
3016 WerFault.exe

pid	process
2120	ftermgr.exe
2364	ftermgr.exe

pid	process
2180	powershell.exe
3016	WerFault.exe
3016	WerFault.exe
3016	WerFault.exe
3016	WerFault.exe
3016	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/2952-2-0x0000000000270000-0x0000000000286000-memory.dmp	agile_net
behavioral1/memory/2120-21-0x0000000000470000-0x0000000000486000-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-1-5-21-2297530677-1229052932-2803917579-1000\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 2120 set thread context of 2364 2120 ftermgr.exe ftermgr.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3016 2120 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 2120 set thread context of 2364	2120	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
3016	2120	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exepowershell.exeftermgr.exe

pid	process
2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe
2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe
2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe
2180	powershell.exe
2180	powershell.exe
2120	ftermgr.exe
2120	ftermgr.exe
2120	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exepowershell.exeftermgr.exe

description	pid	process
Token: SeDebugPrivilege	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe
Token: SeDebugPrivilege	2180	powershell.exe
Token: SeDebugPrivilege	2120	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ftermgr.exe

pid process

2364 ftermgr.exe

pid	process
2364	ftermgr.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 2952 wrote to memory of 2688	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 2688	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 2688	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 2688	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe	cmd.exe
PID 2688 wrote to memory of 2548	2688	cmd.exe	reg.exe
PID 2688 wrote to memory of 2548	2688	cmd.exe	reg.exe
PID 2688 wrote to memory of 2548	2688	cmd.exe	reg.exe
PID 2688 wrote to memory of 2548	2688	cmd.exe	reg.exe
PID 2952 wrote to memory of 2180	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe	powershell.exe
PID 2952 wrote to memory of 2180	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe	powershell.exe
PID 2952 wrote to memory of 2180	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe	powershell.exe
PID 2952 wrote to memory of 2180	2952	ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe	powershell.exe
PID 2180 wrote to memory of 2120	2180	powershell.exe	ftermgr.exe
PID 2180 wrote to memory of 2120	2180	powershell.exe	ftermgr.exe
PID 2180 wrote to memory of 2120	2180	powershell.exe	ftermgr.exe
PID 2180 wrote to memory of 2120	2180	powershell.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 2364	2120	ftermgr.exe	ftermgr.exe
PID 2120 wrote to memory of 3016	2120	ftermgr.exe	WerFault.exe
PID 2120 wrote to memory of 3016	2120	ftermgr.exe	WerFault.exe
PID 2120 wrote to memory of 3016	2120	ftermgr.exe	WerFault.exe
PID 2120 wrote to memory of 3016	2120	ftermgr.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff044509cd6eba3681d1f548574b5d7a_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952

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:2688

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:2548

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:2180

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:2120

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 932
4⤵
- Loads dropped DLL
- Program crash
PID:3016

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

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

MD5
ff044509cd6eba3681d1f548574b5d7a

SHA1
d83b30d4bf145fcf8053e190ab9a0af0577d4cee

SHA256
e897d756722140b424ac02aab14733d05074d5c40f019c6420bc2689dccd6915

SHA512
ae1bdc80b0cb1be8261a36fd194620b7efd6c391b508f05d5351c9a0b620f3066342ba4a6543821ed9adbb742a29936b925036f321993c3dde151a08cc5af7e0

Download Submit
memory/2120-23-0x0000000000980000-0x000000000098A000-memory.dmp

Filesize
40KB

Download
memory/2120-22-0x000000006FFB0000-0x000000007069E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-21-0x0000000000470000-0x0000000000486000-memory.dmp

Filesize
88KB

Download
memory/2120-20-0x000000006FFB0000-0x000000007069E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-18-0x0000000000CC0000-0x0000000000D30000-memory.dmp

Filesize
448KB

Download
memory/2180-13-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2180-19-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2180-14-0x0000000002930000-0x0000000002970000-memory.dmp

Filesize
256KB

Download
memory/2180-12-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-26-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-27-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-43-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-46-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-42-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-38-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-34-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2364-29-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-24-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-25-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2364-28-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2952-3-0x0000000000300000-0x0000000000308000-memory.dmp

Filesize
32KB

Download
memory/2952-0-0x00000000010B0000-0x0000000001120000-memory.dmp

Filesize
448KB

Download
memory/2952-1-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-2-0x0000000000270000-0x0000000000286000-memory.dmp

Filesize
88KB

Download
memory/2952-9-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-4-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/2952-5-0x0000000000320000-0x0000000000328000-memory.dmp

Filesize
32KB

Download
memory/2952-6-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-7-0x00000000006A0000-0x00000000006A8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads