remcos | 089fe1a7004a07e2fa5a8e706359b2d8d0b141bbc4719db9bc378e33b0771764

General

Target

NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe
Size

1.8MB
MD5

26b43cadf6622b3d0e50bf3763cc5180
SHA1

d84d2f83975f74767e7d398e8ad039be00c47598
SHA256

089fe1a7004a07e2fa5a8e706359b2d8d0b141bbc4719db9bc378e33b0771764
SHA512

1c8e2f1063f654ca94b67e1e651dfbaf5f10d8a0d1cf40bb8280877bae550df467f7574c0118d7d7d833b9b155619fe22168d3efeff916f16ad8c21b817f7fe4
SSDEEP

49152:xkQTA+5XkXJqDxHtrZPfnV2gAUCkSbVRb0ilg7/mHHH:xa+9kElHrIjU/CzG7eHn

Score

10^/10

remcos hard rat

Malware Config

Extracted

Family

remcos

Botnet

HARD

C2

cloudhost.myfirewall.org:9302

sandshoe.myfirewall.org:2404

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
WindowUpdate.exe
delete_file
false
hide_file
true
hide_keylog_file
false
install_flag
false
install_path
%Temp%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
RmcqSxe-3TCTRL
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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:

NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe

description pid process target process

PID 4936 set thread context of 1980 4936 NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe Caspol.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe

pid process

4936 NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe
4936 NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe

description pid process

Token: SeDebugPrivilege 4936 NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Caspol.exe

pid process

1980 Caspol.exe

description	pid	process	target process
PID 4936 set thread context of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe

pid	process
4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe
4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe

description	pid	process
Token: SeDebugPrivilege	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe

pid	process
1980	Caspol.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe

description	pid	process	target process
PID 4936 wrote to memory of 4120	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 4120	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 4120	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe
PID 4936 wrote to memory of 1980	4936	NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.26b43cadf6622b3d0e50bf3763cc5180_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
2⤵
PID:4120

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1980

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
0efa5f252f05bdc25f660c9b38de0816

SHA1
8b03a94737236984620824574715b73b9670cbf9

SHA256
c50f5a098fa26b19c7a38ee33b7a31e61ed6f67377cfbcba40ac0f6d01118840

SHA512
e8ddb7b3b2edcd8431166652bccda349effc3186da4b32fcf905f41007a5a5c58d7ef7bdd903781212c1678f528c6049b6e1484c9d8311789cc474fa0c6fc137

Download Submit
memory/1980-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1980-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4936-2-0x00000000050A0000-0x0000000005248000-memory.dmp

Filesize
1.7MB

Download
memory/4936-1-0x0000000002390000-0x00000000023A0000-memory.dmp

Filesize
64KB

Download
memory/4936-6-0x0000000002390000-0x00000000023A0000-memory.dmp

Filesize
64KB

Download
memory/4936-5-0x0000000002570000-0x000000000257A000-memory.dmp

Filesize
40KB

Download
memory/4936-4-0x0000000004EF0000-0x0000000005098000-memory.dmp

Filesize
1.7MB

Download
memory/4936-0-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/4936-3-0x0000000005250000-0x00000000057F4000-memory.dmp

Filesize
5.6MB

Download
memory/4936-11-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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