remcos | e897d756722140b424ac02aab14733d05074d5c40f019c6420bc2689dccd6915

General

Target

ff044509cd6eba3681d1f548574b5d7a.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

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

2440 ftermgr.exe
1528 ftermgr.exe
Loads dropped DLL 6 IoCs

Processes:

powershell.exeWerFault.exe

pid process

2744 powershell.exe
1768 WerFault.exe
1768 WerFault.exe
1768 WerFault.exe
1768 WerFault.exe
1768 WerFault.exe

pid	process
2440	ftermgr.exe
1528	ftermgr.exe

pid	process
2744	powershell.exe
1768	WerFault.exe
1768	WerFault.exe
1768	WerFault.exe
1768	WerFault.exe
1768	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/2932-1-0x0000000000360000-0x0000000000376000-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-1-5-21-3470981204-343661084-3367201002-1000\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 2440 set thread context of 1528 2440 ftermgr.exe ftermgr.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1768 2440 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 2440 set thread context of 1528	2440	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
1768	2440	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

ff044509cd6eba3681d1f548574b5d7a.exepowershell.exeftermgr.exe

pid	process
2932	ff044509cd6eba3681d1f548574b5d7a.exe
2932	ff044509cd6eba3681d1f548574b5d7a.exe
2932	ff044509cd6eba3681d1f548574b5d7a.exe
2744	powershell.exe
2744	powershell.exe
2440	ftermgr.exe
2440	ftermgr.exe
2440	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ff044509cd6eba3681d1f548574b5d7a.exepowershell.exeftermgr.exe

description	pid	process
Token: SeDebugPrivilege	2932	ff044509cd6eba3681d1f548574b5d7a.exe
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	2440	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ftermgr.exe

pid process

1528 ftermgr.exe

pid	process
1528	ftermgr.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

ff044509cd6eba3681d1f548574b5d7a.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 2932 wrote to memory of 1684	2932	ff044509cd6eba3681d1f548574b5d7a.exe	cmd.exe
PID 2932 wrote to memory of 1684	2932	ff044509cd6eba3681d1f548574b5d7a.exe	cmd.exe
PID 2932 wrote to memory of 1684	2932	ff044509cd6eba3681d1f548574b5d7a.exe	cmd.exe
PID 2932 wrote to memory of 1684	2932	ff044509cd6eba3681d1f548574b5d7a.exe	cmd.exe
PID 1684 wrote to memory of 2856	1684	cmd.exe	reg.exe
PID 1684 wrote to memory of 2856	1684	cmd.exe	reg.exe
PID 1684 wrote to memory of 2856	1684	cmd.exe	reg.exe
PID 1684 wrote to memory of 2856	1684	cmd.exe	reg.exe
PID 2932 wrote to memory of 2744	2932	ff044509cd6eba3681d1f548574b5d7a.exe	powershell.exe
PID 2932 wrote to memory of 2744	2932	ff044509cd6eba3681d1f548574b5d7a.exe	powershell.exe
PID 2932 wrote to memory of 2744	2932	ff044509cd6eba3681d1f548574b5d7a.exe	powershell.exe
PID 2932 wrote to memory of 2744	2932	ff044509cd6eba3681d1f548574b5d7a.exe	powershell.exe
PID 2744 wrote to memory of 2440	2744	powershell.exe	ftermgr.exe
PID 2744 wrote to memory of 2440	2744	powershell.exe	ftermgr.exe
PID 2744 wrote to memory of 2440	2744	powershell.exe	ftermgr.exe
PID 2744 wrote to memory of 2440	2744	powershell.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1528	2440	ftermgr.exe	ftermgr.exe
PID 2440 wrote to memory of 1768	2440	ftermgr.exe	WerFault.exe
PID 2440 wrote to memory of 1768	2440	ftermgr.exe	WerFault.exe
PID 2440 wrote to memory of 1768	2440	ftermgr.exe	WerFault.exe
PID 2440 wrote to memory of 1768	2440	ftermgr.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\ff044509cd6eba3681d1f548574b5d7a.exe
"C:\Users\Admin\AppData\Local\Temp\ff044509cd6eba3681d1f548574b5d7a.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932

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:1684

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:2856

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:2744

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:2440

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 928
4⤵
- Loads dropped DLL
- Program crash
PID:1768

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
381KB

MD5
54998c9f9135e93fe7652b1406a8e42c

SHA1
ca9c1ece2f3d80fb9695c29b2836a75c1ac97f55

SHA256
9e7ef351a1bf47d4d29bff053417aa326edbb45927b2b265795afa1ae2c2868e

SHA512
f62d00137280af04ece48fbfb04b06fd1f3498821f6b0edd408bac81dae4206aadb7716a45e0a56adfa40a7c2fca554c07412cf08f396a46153c60cf6c181b47

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

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\ftermgr.exe
Filesize
92KB

MD5
46905a67b43f2cd0b34693b625623b61

SHA1
a8c118261f55c2c573df9372942797f53eaa11af

SHA256
3e5b71f3538b88c927379184a5b9dfe7453acc4ad45333c80c5e0e13ebcefd11

SHA512
4899dec3030fcb552467da956420611f78af36202091ba6a4496a99f28013785d0605bf40c29c5d7e634e120a1a064a1a9d363e665e04d61ffe9400d1ab34f7f

Download Submit
memory/1528-27-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-30-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-38-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-41-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-34-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1528-31-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-37-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-29-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-26-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1528-25-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2440-20-0x000000006FB50000-0x000000007023E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-21-0x00000000000D0000-0x0000000000140000-memory.dmp

Filesize
448KB

Download
memory/2440-24-0x0000000000410000-0x000000000041A000-memory.dmp

Filesize
40KB

Download
memory/2440-22-0x0000000004940000-0x0000000004980000-memory.dmp

Filesize
256KB

Download
memory/2440-23-0x000000006FB50000-0x000000007023E000-memory.dmp

Filesize
6.9MB

Download
memory/2744-15-0x0000000002CD0000-0x0000000002D10000-memory.dmp

Filesize
256KB

Download
memory/2744-13-0x0000000073B60000-0x000000007410B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-14-0x0000000073B60000-0x000000007410B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-19-0x0000000073B60000-0x000000007410B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-3-0x0000000000590000-0x0000000000598000-memory.dmp

Filesize
32KB

Download
memory/2932-0-0x0000000000D10000-0x0000000000D80000-memory.dmp

Filesize
448KB

Download
memory/2932-4-0x0000000004BD0000-0x0000000004C10000-memory.dmp

Filesize
256KB

Download
memory/2932-5-0x00000000005B0000-0x00000000005B8000-memory.dmp

Filesize
32KB

Download
memory/2932-10-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-9-0x0000000004BD0000-0x0000000004C10000-memory.dmp

Filesize
256KB

Download
memory/2932-7-0x00000000009C0000-0x00000000009C8000-memory.dmp

Filesize
32KB

Download
memory/2932-6-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-2-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-1-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads