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

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

1368 ftermgr.exe
220 ftermgr.exe

pid	process
1368	ftermgr.exe
220	ftermgr.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
behavioral2/memory/4332-2-0x0000000005420000-0x0000000005436000-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-1-5-21-1232405761-1209240240-3206092754-1000\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 1368 set thread context of 220 1368 ftermgr.exe ftermgr.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4056 220 WerFault.exe ftermgr.exe
1200 1368 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 1368 set thread context of 220	1368	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
4056	220	WerFault.exe	ftermgr.exe
1200	1368	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.exepowershell.exeftermgr.exe

pid	process
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
4872	powershell.exe
4872	powershell.exe
4872	powershell.exe
1368	ftermgr.exe
1368	ftermgr.exe
1368	ftermgr.exe
1368	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.exepowershell.exeftermgr.exe

description	pid	process
Token: SeDebugPrivilege	4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe
Token: SeDebugPrivilege	4872	powershell.exe
Token: SeDebugPrivilege	1368	ftermgr.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

0ce9986f40ca48cd895f2cc83cd61ecf.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 4332 wrote to memory of 3160	4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 4332 wrote to memory of 3160	4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 4332 wrote to memory of 3160	4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe	cmd.exe
PID 3160 wrote to memory of 1604	3160	cmd.exe	reg.exe
PID 3160 wrote to memory of 1604	3160	cmd.exe	reg.exe
PID 3160 wrote to memory of 1604	3160	cmd.exe	reg.exe
PID 4332 wrote to memory of 4872	4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 4332 wrote to memory of 4872	4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 4332 wrote to memory of 4872	4332	0ce9986f40ca48cd895f2cc83cd61ecf.exe	powershell.exe
PID 4872 wrote to memory of 1368	4872	powershell.exe	ftermgr.exe
PID 4872 wrote to memory of 1368	4872	powershell.exe	ftermgr.exe
PID 4872 wrote to memory of 1368	4872	powershell.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.exe
PID 1368 wrote to memory of 220	1368	ftermgr.exe	ftermgr.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:4332

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:3160

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
- Suspicious use of WriteProcessMemory
PID:4872

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:1368

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
- Executes dropped EXE
PID:220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 500
5⤵
- Program crash
PID:4056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 1468
4⤵
- Program crash
PID:1200

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:1604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 220 -ip 220
1⤵
PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1368 -ip 1368
1⤵
PID:2280

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\Temp\__PSScriptPolicyTest_3gor5aua.seg.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5
0ce9986f40ca48cd895f2cc83cd61ecf

SHA1
771f17bbe3f77ba801f8b87d88e5e5f13c5dd56c

SHA256
072aefc1a185ec483b10dfee719aa437c9c0c0772bb05dee0ff8303f107ca2c4

SHA512
ab4db9572aaf76497545bfd612ad1cf6eb62ac1c054e82bbd3539ef551aa5d460f8cc248584ccd7d19d2e8553185be01db5cd6b0ef6ce83499f6f4dce3582e22

Download Submit
memory/220-61-0x0000000000630000-0x0000000000650000-memory.dmp

Filesize
128KB

Download
memory/220-57-0x0000000000630000-0x0000000000650000-memory.dmp

Filesize
128KB

Download
memory/220-53-0x0000000000630000-0x0000000000650000-memory.dmp

Filesize
128KB

Download
memory/1368-50-0x0000000005670000-0x0000000005680000-memory.dmp

Filesize
64KB

Download
memory/1368-49-0x0000000005DD0000-0x0000000005DDA000-memory.dmp

Filesize
40KB

Download
memory/1368-48-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/1368-47-0x0000000005670000-0x0000000005680000-memory.dmp

Filesize
64KB

Download
memory/1368-46-0x0000000005670000-0x0000000005680000-memory.dmp

Filesize
64KB

Download
memory/1368-44-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/1368-62-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4332-10-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4332-12-0x0000000006180000-0x0000000006188000-memory.dmp

Filesize
32KB

Download
memory/4332-1-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4332-0-0x0000000000AE0000-0x0000000000B50000-memory.dmp

Filesize
448KB

Download
memory/4332-3-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4332-4-0x00000000061C0000-0x0000000006764000-memory.dmp

Filesize
5.6MB

Download
memory/4332-6-0x0000000005D10000-0x0000000005DA2000-memory.dmp

Filesize
584KB

Download
memory/4332-5-0x0000000005C00000-0x0000000005C08000-memory.dmp

Filesize
32KB

Download
memory/4332-16-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4332-14-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4332-9-0x0000000006770000-0x00000000067B4000-memory.dmp

Filesize
272KB

Download
memory/4332-7-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4332-8-0x0000000006150000-0x0000000006158000-memory.dmp

Filesize
32KB

Download
memory/4332-2-0x0000000005420000-0x0000000005436000-memory.dmp

Filesize
88KB

Download
memory/4332-11-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4872-29-0x00000000060D0000-0x0000000006136000-memory.dmp

Filesize
408KB

Download
memory/4872-34-0x0000000006240000-0x0000000006594000-memory.dmp

Filesize
3.3MB

Download
memory/4872-38-0x0000000006C00000-0x0000000006C1A000-memory.dmp

Filesize
104KB

Download
memory/4872-39-0x0000000006C50000-0x0000000006C72000-memory.dmp

Filesize
136KB

Download
memory/4872-36-0x0000000006740000-0x000000000678C000-memory.dmp

Filesize
304KB

Download
memory/4872-45-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4872-35-0x0000000006710000-0x000000000672E000-memory.dmp

Filesize
120KB

Download
memory/4872-37-0x00000000076E0000-0x0000000007776000-memory.dmp

Filesize
600KB

Download
memory/4872-23-0x0000000005F70000-0x0000000005FD6000-memory.dmp

Filesize
408KB

Download
memory/4872-22-0x0000000005750000-0x0000000005772000-memory.dmp

Filesize
136KB

Download
memory/4872-21-0x0000000005940000-0x0000000005F68000-memory.dmp

Filesize
6.2MB

Download
memory/4872-19-0x0000000002F70000-0x0000000002F80000-memory.dmp

Filesize
64KB

Download
memory/4872-20-0x0000000002F70000-0x0000000002F80000-memory.dmp

Filesize
64KB

Download
memory/4872-18-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4872-17-0x0000000002E10000-0x0000000002E46000-memory.dmp

Filesize
216KB

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