remcos | a855344dd72d07464af4b3ba765d5b5e479c6b6c58e1055e34cdaa3790c2cc67

Analysis

max time kernel
272s
max time network
354s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 22:01

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General

Target

tmp.exe
Size

1.1MB
MD5

1ba90e7c300192092839623d2f04c46f
SHA1

faa99a1eb7fa274eeca999979db2010221647dd2
SHA256

a855344dd72d07464af4b3ba765d5b5e479c6b6c58e1055e34cdaa3790c2cc67
SHA512

521f9c0d578b8e25d046156ae31fc7df46a4d9fe3acff4bc2ef9ec563a652fd76225a49748083a064a66bfc3d6a5bcf042ac42fcae9dbbf1627305e67fecd415
SSDEEP

24576:sYPxlBLlEdhm8TFeEJ7HQec8/JnkgD1RC:ZP4zTFei7wghkgD6

Score

10^/10

remcos baller rat

Malware Config

Extracted

Family

remcos

Botnet

BALLER

91.192.100.48:1979

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
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-2RPM8Z
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

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 976 set thread context of 1836 976 tmp.exe tmp.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tmp.exe

pid process

1836 tmp.exe

description	pid	process	target process
PID 976 set thread context of 1836	976	tmp.exe	tmp.exe

pid	process
1836	tmp.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe
PID 976 wrote to memory of 1836	976	tmp.exe	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:976

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1836

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/976-54-0x0000000000E50000-0x0000000000F72000-memory.dmp

Filesize
1.1MB

Download
memory/976-55-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download
memory/976-56-0x00000000006C0000-0x00000000006D8000-memory.dmp

Filesize
96KB

Download
memory/976-57-0x0000000000390000-0x000000000039C000-memory.dmp

Filesize
48KB

Download
memory/976-58-0x0000000008180000-0x000000000826C000-memory.dmp

Filesize
944KB

Download
memory/976-59-0x0000000007FB0000-0x0000000008068000-memory.dmp

Filesize
736KB

Download
memory/1836-60-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-61-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-63-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-65-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-66-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-67-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-70-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-68-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-72-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-73-0x0000000000431C27-mapping.dmp

Download
memory/1836-76-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-77-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1836-78-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download