remcos | b6e31f72fbbe7445c891269043ec0ce2a5de5f68fa48f3d57e35d3614a22c2ea

General

Target

TransportLabel9884037820PDF.exe
Size

1006KB
MD5

61ccd4ff158c603bf2c7b959509a3fba
SHA1

b7266740826165bb2bbd83cc57d68813979d596d
SHA256

b6e31f72fbbe7445c891269043ec0ce2a5de5f68fa48f3d57e35d3614a22c2ea
SHA512

8591a2857720245ba73da3c5ea7c0cb1c079194cf55dc7b6f99fc250e913108ac59866041d5956ba779dfaaf4c99b3c0eea7a4f964b72266c384ebc5fd57febc
SSDEEP

24576:3E+gg3NfP6O/y0dkHxMmegCUHVn+2Vj1qnsKzHF:3LJ3NfP6O/rkHymeCHVnR1us

Score

10^/10

remcos crypted rat

Malware Config

Extracted

Family

remcos

Botnet

Crypted

C2

172.174.245.21:5400

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
keylog_crypt
false
keylog_file
noon.dat
keylog_flag
false
keylog_path
%UserProfile%
mouse_option
false
mutex
roooera-7Y8ORO
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

TransportLabel9884037820PDF.exe

description pid process target process

PID 2576 set thread context of 2264 2576 TransportLabel9884037820PDF.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2228 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

2704 powershell.exe
2880 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2704 powershell.exe
Token: SeDebugPrivilege 2880 powershell.exe

description	pid	process	target process
PID 2576 set thread context of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe

pid	process
2228	schtasks.exe

pid	process
2704	powershell.exe
2880	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2880	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

TransportLabel9884037820PDF.exe

description	pid	process	target process
PID 2576 wrote to memory of 2704	2576	TransportLabel9884037820PDF.exe	powershell.exe
PID 2576 wrote to memory of 2704	2576	TransportLabel9884037820PDF.exe	powershell.exe
PID 2576 wrote to memory of 2704	2576	TransportLabel9884037820PDF.exe	powershell.exe
PID 2576 wrote to memory of 2704	2576	TransportLabel9884037820PDF.exe	powershell.exe
PID 2576 wrote to memory of 2880	2576	TransportLabel9884037820PDF.exe	powershell.exe
PID 2576 wrote to memory of 2880	2576	TransportLabel9884037820PDF.exe	powershell.exe
PID 2576 wrote to memory of 2880	2576	TransportLabel9884037820PDF.exe	powershell.exe
PID 2576 wrote to memory of 2880	2576	TransportLabel9884037820PDF.exe	powershell.exe
PID 2576 wrote to memory of 2228	2576	TransportLabel9884037820PDF.exe	schtasks.exe
PID 2576 wrote to memory of 2228	2576	TransportLabel9884037820PDF.exe	schtasks.exe
PID 2576 wrote to memory of 2228	2576	TransportLabel9884037820PDF.exe	schtasks.exe
PID 2576 wrote to memory of 2228	2576	TransportLabel9884037820PDF.exe	schtasks.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe
PID 2576 wrote to memory of 2264	2576	TransportLabel9884037820PDF.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\TransportLabel9884037820PDF.exe
"C:\Users\Admin\AppData\Local\Temp\TransportLabel9884037820PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2576

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\TransportLabel9884037820PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VWrtNh.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VWrtNh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA313.tmp"
2⤵
- Creates scheduled task(s)
PID:2228

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:2264

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Scripting

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA313.tmp
Filesize
1KB

MD5
9fe3565627c65d1d6a2081ad739a7577

SHA1
110e30c2a3dadfc2a41f7b142d9815be97dba11a

SHA256
2a757ec17f569f5770eabdb499688ed0718ab5e32834fa73e9302a1c6144bca3

SHA512
b72823ae728e45cd85c17229bd6ce9f4523f726455fb8fabad29d07b1d47c81131b92c05ce7eb79e2c865f229961ffc3d1e76c8e9b0476560973a7cdfbaefac6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CNEZ82W14GTO1MXS10XB.temp
Filesize
7KB

MD5
88ec18550e26a96a355746686042daf9

SHA1
b0fcae402794b0c1554b98d1181fee86c85ff59e

SHA256
ee2db08096a65215a7d4a97930158c1e450c917e59f6e309195ba214eeb62b01

SHA512
6065861c936f0e0e7dcf074fe35b25676593060d88c3f1389773eaaa014a35a4033f2a0f40c169e08fdf015226fd45b62c6a90b02a57bc7e72484ef554f00d15

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
88ec18550e26a96a355746686042daf9

SHA1
b0fcae402794b0c1554b98d1181fee86c85ff59e

SHA256
ee2db08096a65215a7d4a97930158c1e450c917e59f6e309195ba214eeb62b01

SHA512
6065861c936f0e0e7dcf074fe35b25676593060d88c3f1389773eaaa014a35a4033f2a0f40c169e08fdf015226fd45b62c6a90b02a57bc7e72484ef554f00d15

Download Submit
memory/2264-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2264-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2264-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-1-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-4-0x0000000000580000-0x0000000000588000-memory.dmp

Filesize
32KB

Download
memory/2576-2-0x0000000004C30000-0x0000000004C70000-memory.dmp

Filesize
256KB

Download
memory/2576-0-0x00000000008E0000-0x00000000009E2000-memory.dmp

Filesize
1.0MB

Download
memory/2576-30-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-3-0x00000000002D0000-0x00000000002EA000-memory.dmp

Filesize
104KB

Download
memory/2576-6-0x0000000005C10000-0x0000000005CCA000-memory.dmp

Filesize
744KB

Download
memory/2576-5-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/2704-36-0x000000006EAF0000-0x000000006F09B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-35-0x000000006EAF0000-0x000000006F09B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-42-0x00000000027A0000-0x00000000027E0000-memory.dmp

Filesize
256KB

Download
memory/2704-39-0x00000000027A0000-0x00000000027E0000-memory.dmp

Filesize
256KB

Download
memory/2704-43-0x000000006EAF0000-0x000000006F09B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-37-0x0000000002130000-0x0000000002170000-memory.dmp

Filesize
256KB

Download
memory/2880-40-0x0000000002130000-0x0000000002170000-memory.dmp

Filesize
256KB

Download
memory/2880-41-0x0000000002130000-0x0000000002170000-memory.dmp

Filesize
256KB

Download
memory/2880-38-0x000000006EAF0000-0x000000006F09B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-44-0x000000006EAF0000-0x000000006F09B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-34-0x000000006EAF0000-0x000000006F09B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads