remcos | 74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d

General

Target

74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe
Size

339KB
MD5

ce99acef7ce6150b312c1bed87796d18
SHA1

3a65745dee2afbffe00569c83572723fd8c04e76
SHA256

74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d
SHA512

e18485fadf0f185142c0d7d6fb3c8d97457b9fe18cf28501077d3d38b2bfa833c5c4320bd381d0eba1e79fb486820491f4a502714d495a705f57aafbf5f89d0f

Score

10^/10

remcos aurora rat

Malware Config

Extracted

Family

remcos

Version

2.6.0 Pro

Botnet

AURORA

C2

shark.vfpi2hz38p.icu:2047

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
rcm
keylog_path
%AppData%
mouse_option
false
mutex
rcm-RFX54B
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
remcos
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
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

652 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

652 rundll32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

652 rundll32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cmd.exe

pid process

880 cmd.exe

pid	process
652	rundll32.exe

pid	process
652	rundll32.exe

pid	process
652	rundll32.exe

pid	process
880	cmd.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exerundll32.exe

description	pid	process	target process
PID 952 wrote to memory of 652	952	74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe	rundll32.exe
PID 952 wrote to memory of 652	952	74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe	rundll32.exe
PID 952 wrote to memory of 652	952	74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe	rundll32.exe
PID 952 wrote to memory of 652	952	74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe	rundll32.exe
PID 952 wrote to memory of 652	952	74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe	rundll32.exe
PID 952 wrote to memory of 652	952	74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe	rundll32.exe
PID 952 wrote to memory of 652	952	74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe	rundll32.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe
PID 652 wrote to memory of 880	652	rundll32.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe
"C:\Users\Admin\AppData\Local\Temp\74d007f53159bdcc2cc9e3496f165720d174210719a7a8a7abc0c133ab296b9d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:952

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\system32\rundll32.exe Urochrome,Semantemes
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:652

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe"
3⤵
- Suspicious use of SetWindowsHookEx
PID:880

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Sitatunga
MD5
c9e32cbdb0f1b7c7462335cb9c9190e7

SHA1
1755f95a64711a81979355e90ccfe97ac2c1ac56

SHA256
ab0da0dcda3a040479e8792aa72a56cacbb775989a907bf492c278530adfd92c

SHA512
5bef1781f8d243e17a4e0a112bfbc3bdb05eea2da03e50e6e62423e037cf7942cffe1b4f3b225098fb43eb6ad72507d7e993647d2a4996acd638bd6f82e82fe2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Urochrome.DLL
MD5
4c99079ba419c1d49f53e5138b3898bd

SHA1
645cf453caf616e5056447f1305efd4d22416ce0

SHA256
2c00eb1c5733e03f3bafb0606f9df2c76a52c76fd9359e97ca7569392b5e5ce4

SHA512
58e060f7594f72202326daec506fd664ce8ee34c3a93ac8b8cb226fa1b8ef8804392dfeaefe960029bee384411346513bf36978cc88d8ccf04ec0125bf691528

Download Submit
\Users\Admin\AppData\Local\Temp\Urochrome.dll
MD5
4c99079ba419c1d49f53e5138b3898bd

SHA1
645cf453caf616e5056447f1305efd4d22416ce0

SHA256
2c00eb1c5733e03f3bafb0606f9df2c76a52c76fd9359e97ca7569392b5e5ce4

SHA512
58e060f7594f72202326daec506fd664ce8ee34c3a93ac8b8cb226fa1b8ef8804392dfeaefe960029bee384411346513bf36978cc88d8ccf04ec0125bf691528

Download Submit
memory/652-60-0x0000000076AB0000-0x0000000076AE5000-memory.dmp

Filesize
212KB

Download
memory/652-61-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download
memory/652-62-0x0000000000130000-0x0000000000132000-memory.dmp

Filesize
8KB

Download
memory/880-64-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download
memory/880-65-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/880-70-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/952-55-0x0000000076B81000-0x0000000076B83000-memory.dmp

Filesize
8KB

Download

Analysis

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