remcos | c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2022, 14:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

AIF 500 unit Distribution 2018ECA - ProfoInve.exe
Size

986KB
MD5

f72d0995ccf16a2481cb2966e3e05f19
SHA1

7b40fd28569cd4517c3a6bb91ce11a7e26cde71c
SHA256

c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625
SHA512

cb3243354cd56725a498ec5b60b6737bc15c72ff4b8e24dae378d98636abc9c00b14ebffee1cbf079580d8b16df467e701ea6571089f10830b0833f163017c90
SSDEEP

12288:DR7Vgp6llBxZ/sAu0ximzRLQgR//Y0ceWaJKv6gQuF:DR79lP5HRLQgR/g0ceLcCgQg

Score

10^/10

remcos manup persistence rat

Malware Config

Extracted

Family

remcos

Botnet

manup

91.193.75.188:60005

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-Y6KFVO
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

Executes dropped EXE 1 IoCs

pid	Process
4668	WindowsWorkflowselection.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsWorkflowselection = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsWorkflowselection\\WindowsWorkflowselection.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4668 set thread context of 2552	4668	WindowsWorkflowselection.exe	101

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
3396	PING.EXE
4840	PING.EXE
684	PING.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
4668	WindowsWorkflowselection.exe
4668	WindowsWorkflowselection.exe
4668	WindowsWorkflowselection.exe
4668	WindowsWorkflowselection.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
Token: SeDebugPrivilege	4668	WindowsWorkflowselection.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2552	AddInProcess32.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2248	2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	83
PID 2828 wrote to memory of 2248	2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	83
PID 2828 wrote to memory of 2248	2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	83
PID 2248 wrote to memory of 4840	2248	cmd.exe	85
PID 2248 wrote to memory of 4840	2248	cmd.exe	85
PID 2248 wrote to memory of 4840	2248	cmd.exe	85
PID 2828 wrote to memory of 3628	2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	88
PID 2828 wrote to memory of 3628	2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	88
PID 2828 wrote to memory of 3628	2828	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	88
PID 3628 wrote to memory of 684	3628	cmd.exe	90
PID 3628 wrote to memory of 684	3628	cmd.exe	90
PID 3628 wrote to memory of 684	3628	cmd.exe	90
PID 2248 wrote to memory of 3912	2248	cmd.exe	94
PID 2248 wrote to memory of 3912	2248	cmd.exe	94
PID 2248 wrote to memory of 3912	2248	cmd.exe	94
PID 3628 wrote to memory of 3396	3628	cmd.exe	97
PID 3628 wrote to memory of 3396	3628	cmd.exe	97
PID 3628 wrote to memory of 3396	3628	cmd.exe	97
PID 3628 wrote to memory of 4668	3628	cmd.exe	98
PID 3628 wrote to memory of 4668	3628	cmd.exe	98
PID 3628 wrote to memory of 4668	3628	cmd.exe	98
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2356	4668	WindowsWorkflowselection.exe	100
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101
PID 4668 wrote to memory of 2552	4668	WindowsWorkflowselection.exe	101

C:\Users\Admin\AppData\Local\Temp\AIF 500 unit Distribution 2018ECA - ProfoInve.exe
"C:\Users\Admin\AppData\Local\Temp\AIF 500 unit Distribution 2018ECA - ProfoInve.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 6 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "WindowsWorkflowselection" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:4840
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "WindowsWorkflowselection" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe"
    3⤵
    - Adds Run key to start application
    PID:3912
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 10 > nul && copy "C:\Users\Admin\AppData\Local\Temp\AIF 500 unit Distribution 2018ECA - ProfoInve.exe" "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe" && ping 127.0.0.1 -n 10 > nul && "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3628
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - Runs ping.exe
    PID:684
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - Runs ping.exe
    PID:3396
- - C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe
    "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4668
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      4⤵
      PID:2356
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      4⤵
      Suspicious use of SetWindowsHookEx
      PID:2552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe

Filesize
986KB

MD5
f72d0995ccf16a2481cb2966e3e05f19

SHA1
7b40fd28569cd4517c3a6bb91ce11a7e26cde71c

SHA256
c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625

SHA512
cb3243354cd56725a498ec5b60b6737bc15c72ff4b8e24dae378d98636abc9c00b14ebffee1cbf079580d8b16df467e701ea6571089f10830b0833f163017c90

Download Submit
C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe

Filesize
986KB

MD5
f72d0995ccf16a2481cb2966e3e05f19

SHA1
7b40fd28569cd4517c3a6bb91ce11a7e26cde71c

SHA256
c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625

SHA512
cb3243354cd56725a498ec5b60b6737bc15c72ff4b8e24dae378d98636abc9c00b14ebffee1cbf079580d8b16df467e701ea6571089f10830b0833f163017c90

Download Submit
memory/2552-153-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-152-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-151-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-150-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-149-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2828-133-0x0000000005430000-0x00000000054CC000-memory.dmp

Filesize
624KB

Download
memory/2828-136-0x0000000006480000-0x000000000648A000-memory.dmp

Filesize
40KB

Download
memory/2828-132-0x00000000000B0000-0x00000000001AC000-memory.dmp

Filesize
1008KB

Download
memory/2828-134-0x0000000006190000-0x0000000006222000-memory.dmp

Filesize
584KB

Download
memory/2828-135-0x00000000067E0000-0x0000000006D84000-memory.dmp

Filesize
5.6MB

Download
memory/4668-146-0x0000000000F90000-0x000000000108C000-memory.dmp

Filesize
1008KB

Download