remcos | 8e1b07bdec3d7336a6228c7471f2e25c0bd9b937bb75f1171f789d409054ef4e

Analysis

max time kernel
137s
max time network
140s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 12:26

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General

Target

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
Size

617KB
MD5

d822c95bd53f00fca100fd5a8e262c84
SHA1

5198d2fdc041d5b71fa0ca9e12308b0d835a2e6f
SHA256

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02
SHA512

3579eff385d1b1c5695f12c061052b594f2659971384d7ea37c4b7f9e46043ed6e7cfdcfa332fc249878ee9efc1b2da85ddb69851f812eb14f072979209bf59c
SSDEEP

12288:+CHNBT5iQt+QD+pkBFJsoFlTlNeg8jQHhpKISzAHEAmD:lNlpBr3d8j8H

Score

10^/10

remcos gg rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

62.102.148.185:9771

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
newstart
keylog_path
%AppData%
mouse_option
false
mutex
remcos_wgwfvnfssp
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

description	pid	process	target process
PID 1640 set thread context of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2684 schtasks.exe

pid	process
2684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exepowershell.exepowershell.exe

pid	process
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
2496	powershell.exe
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
Token: SeDebugPrivilege	2496	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

pid process

2428 fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

pid	process
2428	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

description	pid	process	target process
PID 1640 wrote to memory of 2496	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 1640 wrote to memory of 2496	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 1640 wrote to memory of 2496	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 1640 wrote to memory of 2496	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 1640 wrote to memory of 2624	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 1640 wrote to memory of 2624	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 1640 wrote to memory of 2624	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 1640 wrote to memory of 2624	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 1640 wrote to memory of 2684	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	schtasks.exe
PID 1640 wrote to memory of 2684	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	schtasks.exe
PID 1640 wrote to memory of 2684	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	schtasks.exe
PID 1640 wrote to memory of 2684	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	schtasks.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 1640 wrote to memory of 2428	1640	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
"C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2496
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oloHsnLTUx.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oloHsnLTUx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp87C6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2684
- C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
  "C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp87C6.tmp

Filesize
1KB

MD5
7774d1dbe2330fe217f67138a11cb5fe

SHA1
71bb782a15448d5228e5422de31ab8c50eb9b6b1

SHA256
ce6d68849a60d92f91a34d15961c35e5fe80fa148d3dd8c4e48d210c20b7572b

SHA512
477cfa80fa606a2fe4bbb3320511530153eab0b80508da51479846ce8225b0595aa5967b8598d70e83ee4e38ab9e202db1e3c680ca31c34562356190ea872da2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
906b2cf1b35f34d7eb91193ad419313e

SHA1
06725605e7dac73665e7b45e558017f3f4aa05e3

SHA256
7fdbb09e65d7776e5a455fe55b457cf787f2aa267270aad6a2d021317170bc2a

SHA512
51d793ea0fdf2672e0b121f3bd06d8da60ac564ddb95b0a298fd75d529ecdfdfdcac3bec25680e8a80f8256b83fa324fc5f7abde3a314a4d7c3512b6710b6447

Download Submit
memory/1640-30-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-1-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-2-0x0000000005100000-0x0000000005140000-memory.dmp

Filesize
256KB

Download
memory/1640-3-0x0000000000450000-0x0000000000462000-memory.dmp

Filesize
72KB

Download
memory/1640-4-0x00000000006A0000-0x00000000006A8000-memory.dmp

Filesize
32KB

Download
memory/1640-5-0x00000000006B0000-0x00000000006BC000-memory.dmp

Filesize
48KB

Download
memory/1640-6-0x0000000000FE0000-0x0000000001040000-memory.dmp

Filesize
384KB

Download
memory/1640-7-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-8-0x0000000005100000-0x0000000005140000-memory.dmp

Filesize
256KB

Download
memory/1640-0-0x00000000012D0000-0x0000000001370000-memory.dmp

Filesize
640KB

Download
memory/2428-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-23-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-24-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-27-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-29-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-21-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-31-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-34-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-53-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-20-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-22-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2496-43-0x000000006E770000-0x000000006ED1B000-memory.dmp

Filesize
5.7MB

Download
memory/2496-41-0x00000000029B0000-0x00000000029F0000-memory.dmp

Filesize
256KB

Download
memory/2496-39-0x000000006E770000-0x000000006ED1B000-memory.dmp

Filesize
5.7MB

Download
memory/2496-37-0x00000000029B0000-0x00000000029F0000-memory.dmp

Filesize
256KB

Download
memory/2496-33-0x000000006E770000-0x000000006ED1B000-memory.dmp

Filesize
5.7MB

Download
memory/2624-42-0x000000006E770000-0x000000006ED1B000-memory.dmp

Filesize
5.7MB

Download
memory/2624-38-0x000000006E770000-0x000000006ED1B000-memory.dmp

Filesize
5.7MB

Download
memory/2624-36-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download
memory/2624-35-0x000000006E770000-0x000000006ED1B000-memory.dmp

Filesize
5.7MB

Download