remcos | 576ac1695ed2925ded19a4b1cd1b93c1154eedadca1381469f3e799c2357ef31

General

Target

d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
Size

420KB
MD5

d20ea7ca9b2cc27ccdb4eb9bc91d922e
SHA1

5b7ec5a5fd1d267f78aa309e533161a6fc5f040c
SHA256

576ac1695ed2925ded19a4b1cd1b93c1154eedadca1381469f3e799c2357ef31
SHA512

e325ad214d62fdd6a8918e8451ef741ae19717a42560a29a786d4ca88ec5d13fc42fdcba6b6d95649e50d91b408fcc2221cea752cfb77ac2f63b3f8d7019b9d3
SSDEEP

6144:f9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAeg:fgUJHX+nOjhBq1j2AWz

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

1556 ftermgr.exe
4000 ftermgr.exe

pid	process
1556	ftermgr.exe
4000	ftermgr.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
behavioral2/memory/1552-2-0x0000000001940000-0x0000000001956000-memory.dmp	agile_net
behavioral2/memory/1556-45-0x0000000000A30000-0x0000000000A46000-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-1-5-21-557049126-2506969350-2798870634-1000\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 1556 set thread context of 4000 1556 ftermgr.exe ftermgr.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1716 1556 WerFault.exe ftermgr.exe
4260 4000 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 1556 set thread context of 4000	1556	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
1716	1556	WerFault.exe	ftermgr.exe
4260	4000	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

d20ea7ca9b2cc27ccdb4eb9bc91d922e.exepowershell.exeftermgr.exe

pid	process
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
3816	powershell.exe
3816	powershell.exe
1556	ftermgr.exe
1556	ftermgr.exe
1556	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

d20ea7ca9b2cc27ccdb4eb9bc91d922e.exepowershell.exeftermgr.exe

description	pid	process
Token: SeDebugPrivilege	1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
Token: SeDebugPrivilege	3816	powershell.exe
Token: SeDebugPrivilege	1556	ftermgr.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

d20ea7ca9b2cc27ccdb4eb9bc91d922e.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 1552 wrote to memory of 3048	1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	cmd.exe
PID 1552 wrote to memory of 3048	1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	cmd.exe
PID 1552 wrote to memory of 3048	1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	cmd.exe
PID 3048 wrote to memory of 440	3048	cmd.exe	reg.exe
PID 3048 wrote to memory of 440	3048	cmd.exe	reg.exe
PID 3048 wrote to memory of 440	3048	cmd.exe	reg.exe
PID 1552 wrote to memory of 3816	1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	powershell.exe
PID 1552 wrote to memory of 3816	1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	powershell.exe
PID 1552 wrote to memory of 3816	1552	d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe	powershell.exe
PID 3816 wrote to memory of 1556	3816	powershell.exe	ftermgr.exe
PID 3816 wrote to memory of 1556	3816	powershell.exe	ftermgr.exe
PID 3816 wrote to memory of 1556	3816	powershell.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe
PID 1556 wrote to memory of 4000	1556	ftermgr.exe	ftermgr.exe

C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
"C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552

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:3048

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:440

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:3816

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:1556

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
- Executes dropped EXE
PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 500
5⤵
- Program crash
PID:4260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 1476
4⤵
- Program crash
PID:1716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1556 -ip 1556
1⤵
PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4000 -ip 4000
1⤵
PID:3192

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_viuqtxda.oq3.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

MD5
d20ea7ca9b2cc27ccdb4eb9bc91d922e

SHA1
5b7ec5a5fd1d267f78aa309e533161a6fc5f040c

SHA256
576ac1695ed2925ded19a4b1cd1b93c1154eedadca1381469f3e799c2357ef31

SHA512
e325ad214d62fdd6a8918e8451ef741ae19717a42560a29a786d4ca88ec5d13fc42fdcba6b6d95649e50d91b408fcc2221cea752cfb77ac2f63b3f8d7019b9d3

Download Submit
memory/1552-12-0x0000000005DE0000-0x0000000005DE8000-memory.dmp

Filesize
32KB

Download
memory/1552-0-0x0000000000DA0000-0x0000000000E10000-memory.dmp

Filesize
448KB

Download
memory/1552-4-0x00000000064B0000-0x0000000006A54000-memory.dmp

Filesize
5.6MB

Download
memory/1552-5-0x00000000057D0000-0x00000000057D8000-memory.dmp

Filesize
32KB

Download
memory/1552-6-0x0000000005FE0000-0x0000000006072000-memory.dmp

Filesize
584KB

Download
memory/1552-7-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1552-8-0x0000000006200000-0x0000000006208000-memory.dmp

Filesize
32KB

Download
memory/1552-9-0x0000000006A60000-0x0000000006AA4000-memory.dmp

Filesize
272KB

Download
memory/1552-10-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1552-11-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1552-2-0x0000000001940000-0x0000000001956000-memory.dmp

Filesize
88KB

Download
memory/1552-3-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1552-14-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1552-17-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1552-1-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1556-51-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/1556-50-0x0000000004A10000-0x0000000004A20000-memory.dmp

Filesize
64KB

Download
memory/1556-49-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1556-48-0x0000000004A10000-0x0000000004A20000-memory.dmp

Filesize
64KB

Download
memory/1556-46-0x0000000004A10000-0x0000000004A20000-memory.dmp

Filesize
64KB

Download
memory/1556-64-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1556-52-0x0000000004A10000-0x0000000004A20000-memory.dmp

Filesize
64KB

Download
memory/1556-44-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1556-45-0x0000000000A30000-0x0000000000A46000-memory.dmp

Filesize
88KB

Download
memory/3816-24-0x0000000005250000-0x00000000052B6000-memory.dmp

Filesize
408KB

Download
memory/3816-22-0x0000000005040000-0x0000000005062000-memory.dmp

Filesize
136KB

Download
memory/3816-38-0x00000000065F0000-0x000000000660A000-memory.dmp

Filesize
104KB

Download
memory/3816-39-0x0000000006640000-0x0000000006662000-memory.dmp

Filesize
136KB

Download
memory/3816-36-0x0000000006220000-0x000000000626C000-memory.dmp

Filesize
304KB

Download
memory/3816-35-0x0000000006190000-0x00000000061AE000-memory.dmp

Filesize
120KB

Download
memory/3816-30-0x0000000005B00000-0x0000000005E54000-memory.dmp

Filesize
3.3MB

Download
memory/3816-47-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3816-23-0x00000000051E0000-0x0000000005246000-memory.dmp

Filesize
408KB

Download
memory/3816-37-0x0000000006670000-0x0000000006706000-memory.dmp

Filesize
600KB

Download
memory/3816-21-0x0000000005390000-0x00000000059B8000-memory.dmp

Filesize
6.2MB

Download
memory/3816-19-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download
memory/3816-20-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download
memory/3816-18-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3816-16-0x0000000004BA0000-0x0000000004BD6000-memory.dmp

Filesize
216KB

Download
memory/4000-59-0x0000000000140000-0x0000000000160000-memory.dmp

Filesize
128KB

Download
memory/4000-63-0x0000000000140000-0x0000000000160000-memory.dmp

Filesize
128KB

Download
memory/4000-55-0x0000000000140000-0x0000000000160000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads