remcos | b6e31f72fbbe7445c891269043ec0ce2a5de5f68fa48f3d57e35d3614a22c2ea

General

Target

TransportLabel_9884037820_PDF.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:

TransportLabel_9884037820_PDF.exe

description pid process target process

PID 1212 set thread context of 2604 1212 TransportLabel_9884037820_PDF.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

2868 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

2848 powershell.exe
2672 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2848 powershell.exe
Token: SeDebugPrivilege 2672 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

2604 vbc.exe

description	pid	process	target process
PID 1212 set thread context of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe

pid	process
2868	schtasks.exe

pid	process
2848	powershell.exe
2672	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2672	powershell.exe

pid	process
2604	vbc.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

TransportLabel_9884037820_PDF.exe

description	pid	process	target process
PID 1212 wrote to memory of 2672	1212	TransportLabel_9884037820_PDF.exe	powershell.exe
PID 1212 wrote to memory of 2672	1212	TransportLabel_9884037820_PDF.exe	powershell.exe
PID 1212 wrote to memory of 2672	1212	TransportLabel_9884037820_PDF.exe	powershell.exe
PID 1212 wrote to memory of 2672	1212	TransportLabel_9884037820_PDF.exe	powershell.exe
PID 1212 wrote to memory of 2848	1212	TransportLabel_9884037820_PDF.exe	powershell.exe
PID 1212 wrote to memory of 2848	1212	TransportLabel_9884037820_PDF.exe	powershell.exe
PID 1212 wrote to memory of 2848	1212	TransportLabel_9884037820_PDF.exe	powershell.exe
PID 1212 wrote to memory of 2848	1212	TransportLabel_9884037820_PDF.exe	powershell.exe
PID 1212 wrote to memory of 2868	1212	TransportLabel_9884037820_PDF.exe	schtasks.exe
PID 1212 wrote to memory of 2868	1212	TransportLabel_9884037820_PDF.exe	schtasks.exe
PID 1212 wrote to memory of 2868	1212	TransportLabel_9884037820_PDF.exe	schtasks.exe
PID 1212 wrote to memory of 2868	1212	TransportLabel_9884037820_PDF.exe	schtasks.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe
PID 1212 wrote to memory of 2604	1212	TransportLabel_9884037820_PDF.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\TransportLabel_9884037820_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\TransportLabel_9884037820_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1212

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\TransportLabel_9884037820_PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2672

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:2848

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VWrtNh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp83B1.tmp"
2⤵
- Creates scheduled task(s)
PID:2868

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2604

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

1

T1064

Scheduled Task/Job

1

T1053

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp83B1.tmp
Filesize
1KB

MD5
943f25424d2c8c07b25b8231b794cf63

SHA1
e8baa63bf939e1adfb3169caf3befdb030590f57

SHA256
8bd9506ec15cb1148088eddec373ea271a322e6008b4f57a2d5e96a9a90d62d0

SHA512
2ee5fdef010dd3f523535c68b666ab95ca2b43d1ce3b0fafb264c44da342e0adb76025d03e65d29a3e8396ca9e99242847bbeec47efdef5102bcd2abfb51481e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6OWSL4SKQDTXROBFS5MH.temp
Filesize
7KB

MD5
7e7493c51c54dd94cb728316be2a9214

SHA1
890b5ec6ee054d49f177d2936fedb46a75e55129

SHA256
ae58db23f0eba065b3d130dfbfa6e026ff1c4205c46063842fc4c53e1ff2b56d

SHA512
d93364012c2a2f7007503367326bf755b6d08aec7439b72fd9c53ab59026de4dcf4677dc66feab611ffdbca5b0d583362d8cdd4017f829f787ddf999a3bf76fa

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

MD5
7e7493c51c54dd94cb728316be2a9214

SHA1
890b5ec6ee054d49f177d2936fedb46a75e55129

SHA256
ae58db23f0eba065b3d130dfbfa6e026ff1c4205c46063842fc4c53e1ff2b56d

SHA512
d93364012c2a2f7007503367326bf755b6d08aec7439b72fd9c53ab59026de4dcf4677dc66feab611ffdbca5b0d583362d8cdd4017f829f787ddf999a3bf76fa

Download Submit
memory/1212-39-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/1212-0-0x00000000003C0000-0x00000000004C2000-memory.dmp

Filesize
1.0MB

Download
memory/1212-2-0x0000000004BE0000-0x0000000004C20000-memory.dmp

Filesize
256KB

Download
memory/1212-3-0x00000000008D0000-0x00000000008EA000-memory.dmp

Filesize
104KB

Download
memory/1212-4-0x00000000008F0000-0x00000000008F8000-memory.dmp

Filesize
32KB

Download
memory/1212-5-0x0000000000900000-0x000000000090A000-memory.dmp

Filesize
40KB

Download
memory/1212-6-0x0000000005C10000-0x0000000005CCA000-memory.dmp

Filesize
744KB

Download
memory/1212-1-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-35-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2672-53-0x000000006ED10000-0x000000006F2BB000-memory.dmp

Filesize
5.7MB

Download
memory/2672-51-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/2672-48-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/2672-44-0x000000006ED10000-0x000000006F2BB000-memory.dmp

Filesize
5.7MB

Download
memory/2672-41-0x000000006ED10000-0x000000006F2BB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-54-0x000000006ED10000-0x000000006F2BB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-50-0x0000000002690000-0x00000000026D0000-memory.dmp

Filesize
256KB

Download
memory/2848-46-0x0000000002690000-0x00000000026D0000-memory.dmp

Filesize
256KB

Download
memory/2848-43-0x000000006ED10000-0x000000006F2BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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