remcos | dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4

General

Target

dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe
Size

732KB
MD5

d0a5cfb0d5be26a0ac372b6b56731760
SHA1

2c4d9df430e1a195dbbf96e09f8b65f3ed2527dd
SHA256

dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4
SHA512

5dbe3d37630bad98a4541318ec1fe65744fa30c2bc4fb643c85b5c2ed60644e882dc9f4ad5d67b1214dc729f142e4c5ca32ad3a994238e47237f86ef87aa5e15
SSDEEP

12288:Sm8dE6B0SgzEdcybiZERg9nAPRgrEUdZfYozLUs8DrDMdmBKCYGHiB03WNaByzlx:Sm8RqZ4bBa5wUde6ULYmJPHiB0GNaByT

Score

10^/10

remcos main persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Main

C2

109.206.243.58:4541

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
15
connect_interval
3
copy_file
jdk.exe
copy_folder
Java
delete_file
true
hide_file
true
hide_keylog_file
false
install_flag
false
install_path
%UserProfile%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Main-IJCWI4
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Java Updater
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Blocklisted process makes network request 6 IoCs

Processes:

cmd.exe

flow pid process

1 1740 cmd.exe
3 1740 cmd.exe
4 1740 cmd.exe
5 1740 cmd.exe
6 1740 cmd.exe
9 1740 cmd.exe

flow	pid	process
1	1740	cmd.exe
3	1740	cmd.exe
4	1740	cmd.exe
5	1740	cmd.exe
6	1740	cmd.exe
9	1740	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\66D01695C4AC46979A3C33DE6C02F473 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe\""	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe

description	pid	process	target process
PID 1336 set thread context of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe

description pid process

Token: SeDebugPrivilege 1336 dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe

description	pid	process
Token: SeDebugPrivilege	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe

description	pid	process	target process
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe
PID 1336 wrote to memory of 1740	1336	dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe
"C:\Users\Admin\AppData\Local\Temp\dc1034a26e7c697b316a3e8eb51dfe68698a5ee294027823fc4647bae25694e4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\SYSWOW64\cmd.exe
"C:\Windows\SYSWOW64\cmd.exe"
2⤵
- Blocklisted process makes network request
PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1336-54-0x0000000000D00000-0x0000000000DBC000-memory.dmp

Filesize
752KB

Download
memory/1336-55-0x0000000000C30000-0x0000000000CEA000-memory.dmp

Filesize
744KB

Download
memory/1740-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1740-57-0x000000000043292E-mapping.dmp

Download
memory/1740-59-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1740-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1740-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1740-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads