remcos | 72b46c575c7a5a9bc90cd29bb66fef02086f737a7d4edf427fda03b4369d793d

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08/02/2023, 12:26

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General

Target

400032624567.PDF.exe
Size

1.2MB
MD5

6b7d45b40f3796fb4bb3ca63cf9542b6
SHA1

549ecc1aeeff4452c76c89ac0f29629e922f108a
SHA256

3516aa66529037eec39f8ef3d926e3b7281c818e53740b6d495844ee8865e6f4
SHA512

9e7fa20432738554f3f598f5ef3f650e6acb7059bafc51c4998a442da06b2618cde27786d362eab6081bb03a744ee77622092b74abe89c3803ebf42848f33a81
SSDEEP

24576:llpDTpPktJ22JfNCxTF9OKBo/e/yI+NMzV/7LTpdgwMYe3vlp:l7C22ZNCxj1mIlbgwMYef

Score

10^/10

remcos new rem stub rat

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

onyem.duckdns.org:5050

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-HFP2Q6
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

description	pid	Process	procid_target
PID 1692 set thread context of 1148	1692	400032624567.PDF.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1692	400032624567.PDF.exe
1692	400032624567.PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	400032624567.PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1148	400032624567.PDF.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27
PID 1692 wrote to memory of 1148	1692	400032624567.PDF.exe	27

C:\Users\Admin\AppData\Local\Temp\400032624567.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\400032624567.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Local\Temp\400032624567.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\400032624567.PDF.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1148

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1148-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1148-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1692-54-0x0000000001270000-0x00000000013A2000-memory.dmp

Filesize
1.2MB

Download
memory/1692-57-0x00000000004D0000-0x00000000004DC000-memory.dmp

Filesize
48KB

Download
memory/1692-55-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/1692-59-0x0000000005BD0000-0x0000000005C4E000-memory.dmp

Filesize
504KB

Download
memory/1692-58-0x0000000005FC0000-0x0000000006092000-memory.dmp

Filesize
840KB

Download
memory/1692-56-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download