remcos | 072aefc1a185ec483b10dfee719aa437c9c0c0772bb05dee0ff8303f107ca2c4

General

Target

0ce9986f40ca48cd895f2cc83cd61ecf.exe
Size

420KB
MD5

0ce9986f40ca48cd895f2cc83cd61ecf
SHA1

771f17bbe3f77ba801f8b87d88e5e5f13c5dd56c
SHA256

072aefc1a185ec483b10dfee719aa437c9c0c0772bb05dee0ff8303f107ca2c4
SHA512

ab4db9572aaf76497545bfd612ad1cf6eb62ac1c054e82bbd3539ef551aa5d460f8cc248584ccd7d19d2e8553185be01db5cd6b0ef6ce83499f6f4dce3582e22
SSDEEP

6144:i9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAe+:igUJHX+nOjhBq1j2AWt

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;

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;

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/4100-2-0x0000000002780000-0x0000000002796000-memory.dmp	agile_net
behavioral2/memory/3588-49-0x00000000055C0000-0x00000000055D0000-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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\progmfil = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Local\\ftermgr.exe"	reg.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4980 3588 WerFault.exe ftermgr.exe
2456 1644 WerFault.exe ftermgr.exe

pid	pid_target	process	target process
4980	3588	WerFault.exe	ftermgr.exe
2456	1644	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.exepowershell.exe

pid	process
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
3368	powershell.exe
3368	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4100 0ce9986f40ca48cd895f2cc83cd61ecf.exe
Token: SeDebugPrivilege 3368 powershell.exe

description	pid	process
Token: SeDebugPrivilege	4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe
Token: SeDebugPrivilege	3368	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.execmd.exe

description	pid	process	target process
PID 4100 wrote to memory of 2896	4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 4100 wrote to memory of 2896	4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 4100 wrote to memory of 2896	4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 2896 wrote to memory of 4108	2896	cmd.exe	reg.exe
PID 2896 wrote to memory of 4108	2896	cmd.exe	reg.exe
PID 2896 wrote to memory of 4108	2896	cmd.exe	reg.exe
PID 4100 wrote to memory of 3368	4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 4100 wrote to memory of 3368	4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 4100 wrote to memory of 3368	4100	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\0ce9986f40ca48cd895f2cc83cd61ecf.exe
"C:\Users\Admin\AppData\Local\Temp\0ce9986f40ca48cd895f2cc83cd61ecf.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4100

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:2896

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:4108

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:3368

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
3⤵
PID:3588

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 508
5⤵
- Program crash
PID:2456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 1480
4⤵
- Program crash
PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1644 -ip 1644
1⤵
PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3588 -ip 3588
1⤵
PID:1108

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kjwcquwx.l0j.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\ftermgr.exe
Filesize
6KB

MD5
a7720fba5a6d70d4d2fc1753053e91ec

SHA1
ec683ec699a89ff29074e8b4dcccaf9f367ee550

SHA256
dca0a698ffb5343d0e3e96ef4f809c99ffbff66613cf9fecc65ade819e3c907f

SHA512
9ac0cd133bfe599e6b113c8a4ad7c4e4cc21467407c077f29ab68bfe87888e8c2d76a0e77b2ecde63794c5e44b600a57d2200221b4549df7868202fba69d1503

Download Submit
C:\Users\Admin\AppData\Local\ftermgr.exe
Filesize
5KB

MD5
ed9d5cb514b0851753ba0539cdeb5e7b

SHA1
40a8721fc8390ed443719d08ec44a2c0e4bbca59

SHA256
a2c66e60e3b40c0a4e854f34eb76b41e62ef115c880e01f8c81d6f57f95942e8

SHA512
1326f9a8a83a4bfde328979bda0fc1321084c31793753afdc407db1f8f4ae3247058179d9d225069f6d14c2e0e2ffd916c2b61eeb2bc831835f29cbd294f0fc0

Download Submit
C:\Users\Admin\AppData\Local\ftermgr.exe
Filesize
30KB

MD5
f2069a20bf65219b71b5f50e93cc9250

SHA1
95ad3aa76d5d0aca626ede2da8368b0cc9cd23dc

SHA256
fa2b93ac375b6a926dda8ce5dc39194b3b7e546e77d39f26ca2112f9d170a2c9

SHA512
112dc9efc5205f0df9502cbf52cbb3f7c444a4f939d7d12e0779138d35981353cb540ae18f4ec54bf70b13e90179b3e5041c7a9f3b43dabec7418d367ffb44b6

Download Submit
memory/1644-54-0x0000000000550000-0x0000000000570000-memory.dmp

Filesize
128KB

Download
memory/1644-62-0x0000000000550000-0x0000000000570000-memory.dmp

Filesize
128KB

Download
memory/1644-58-0x0000000000550000-0x0000000000570000-memory.dmp

Filesize
128KB

Download
memory/3368-38-0x0000000006340000-0x000000000635A000-memory.dmp

Filesize
104KB

Download
memory/3368-23-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/3368-39-0x0000000006390000-0x00000000063B2000-memory.dmp

Filesize
136KB

Download
memory/3368-24-0x0000000005830000-0x0000000005896000-memory.dmp

Filesize
408KB

Download
memory/3368-36-0x0000000005F10000-0x0000000005F5C000-memory.dmp

Filesize
304KB

Download
memory/3368-35-0x0000000005E70000-0x0000000005E8E000-memory.dmp

Filesize
120KB

Download
memory/3368-34-0x00000000059A0000-0x0000000005CF4000-memory.dmp

Filesize
3.3MB

Download
memory/3368-37-0x0000000006E40000-0x0000000006ED6000-memory.dmp

Filesize
600KB

Download
memory/3368-18-0x0000000004880000-0x00000000048B6000-memory.dmp

Filesize
216KB

Download
memory/3368-20-0x00000000049F0000-0x0000000004A00000-memory.dmp

Filesize
64KB

Download
memory/3368-19-0x00000000049F0000-0x0000000004A00000-memory.dmp

Filesize
64KB

Download
memory/3368-17-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3368-21-0x0000000005030000-0x0000000005658000-memory.dmp

Filesize
6.2MB

Download
memory/3368-22-0x0000000004E90000-0x0000000004EB2000-memory.dmp

Filesize
136KB

Download
memory/3368-45-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3588-46-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download
memory/3588-44-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3588-63-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3588-51-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download
memory/3588-50-0x0000000006010000-0x000000000601A000-memory.dmp

Filesize
40KB

Download
memory/3588-49-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download
memory/3588-48-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3588-47-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download
memory/4100-7-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/4100-10-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4100-6-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/4100-0-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4100-9-0x0000000006000000-0x0000000006044000-memory.dmp

Filesize
272KB

Download
memory/4100-8-0x00000000056D0000-0x00000000056D8000-memory.dmp

Filesize
32KB

Download
memory/4100-16-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4100-5-0x0000000004E40000-0x0000000004E48000-memory.dmp

Filesize
32KB

Download
memory/4100-11-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/4100-12-0x00000000056E0000-0x00000000056E8000-memory.dmp

Filesize
32KB

Download
memory/4100-4-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/4100-3-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/4100-2-0x0000000002780000-0x0000000002796000-memory.dmp

Filesize
88KB

Download
memory/4100-1-0x0000000000370000-0x00000000003E0000-memory.dmp

Filesize
448KB

Download
memory/4100-14-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads