remcos | 8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671

General

Target

8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe
Size

990KB
MD5

5d6b0f7f6ee6287341412584a2a1d8c5
SHA1

4e6a40536ea394ce35259a8b8c617880b42d2895
SHA256

8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671
SHA512

b02b688314748c4666230d86fa4415a3a1e2310ce0302e9f0bc46b8bed4377eb30ff2262a26d5280f20e562ee1f875f47dcf89d71db77fe7c16b69b1abd4bb70
SSDEEP

24576:C4P2198h0XGjH4GXDe84WKb2ry2C+5+CJV6:rP2L8hkGjYG/4WOr2C8B

Score

10^/10

remcos novermber discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

Novermber

C2

www.vipvipvipdnsdomain.store:1989

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
soft
mouse_option
false
mutex
Rmc-FEU0WU
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
Remcos family
remcos
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2764 powershell.exe
2816 powershell.exe
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

pid	process
2764	powershell.exe
2816	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe

description	pid	process	target process
PID 1972 set thread context of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exepowershell.exepowershell.exeschtasks.exevbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2872 schtasks.exe

pid	process
2872	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exepowershell.exepowershell.exe

pid	process
1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe
2816	powershell.exe
2764	powershell.exe
1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe
Token: SeDebugPrivilege	2816	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

2624 vbc.exe

pid	process
2624	vbc.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe

description	pid	process	target process
PID 1972 wrote to memory of 2816	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	powershell.exe
PID 1972 wrote to memory of 2816	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	powershell.exe
PID 1972 wrote to memory of 2816	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	powershell.exe
PID 1972 wrote to memory of 2816	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	powershell.exe
PID 1972 wrote to memory of 2764	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	powershell.exe
PID 1972 wrote to memory of 2764	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	powershell.exe
PID 1972 wrote to memory of 2764	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	powershell.exe
PID 1972 wrote to memory of 2764	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	powershell.exe
PID 1972 wrote to memory of 2872	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	schtasks.exe
PID 1972 wrote to memory of 2872	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	schtasks.exe
PID 1972 wrote to memory of 2872	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	schtasks.exe
PID 1972 wrote to memory of 2872	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	schtasks.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe
PID 1972 wrote to memory of 2624	1972	8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe
"C:\Users\Admin\AppData\Local\Temp\8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- 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\8cf5c38431b0d40340a5fff19a773b73674fcb921970292472dedbbc51683671.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2816
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WRYDezrYlYY.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2764
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WRYDezrYlYY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF612.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2872
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\soft\logs.dat

Filesize
144B

MD5
ec0639bb296048bfe4bef29b87c63dd4

SHA1
81be060171911c0559749402b1939cd7ed8cda41

SHA256
fb28f7feabc6dd13a43e8aba63dbb26afdbbee0db8d8c21faf722aaa06f1c480

SHA512
7b162b86622eb2387d384d21c58279b171ad458d975b8f905ceafad3a99dc8fcfc85989c6f9284f55c9f21460c54ef3d4f6d2552a424dec9630f148d5ff05045

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF612.tmp

Filesize
1KB

MD5
f7483b223138d7153b3d35b5f7c97912

SHA1
62906b9f57d3ce09c9a2b17c848894d857dca66d

SHA256
1b580963be135e1a093bc5a9801bca79f07e6c5ed037228868280d03a7db3d14

SHA512
ecdb3a738d9e13e6ffd74e463f720438ef4dc5097c55d69f966660e79e241a03edc743832b491c77765116cecd3d4e549b401121439bc50c9a5b4222b12c7de5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NRJRPEX9WWX3W4UU19M2.temp

Filesize
7KB

MD5
944758a70a0377559668eb3c40f82f9f

SHA1
a8504255e8362bfdc86a2dcd65e5efc8c9e7ae1b

SHA256
261d63ab5e1b26e4b82150b51ddb44072bf16fe5b615cf88a52f07026eb2d232

SHA512
f4ac7d38475afd32824763bf73a4fc6de16c7b102bbfc9895b3b2b9d997716e063cfa6df5ca0c98ba7d99b684639ac985b8acb416d1ad45ac2bce590b4b67340

Download Submit
memory/1972-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/1972-1-0x00000000012E0000-0x00000000013DE000-memory.dmp

Filesize
1016KB

Download
memory/1972-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/1972-3-0x00000000005A0000-0x00000000005B2000-memory.dmp

Filesize
72KB

Download
memory/1972-4-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/1972-5-0x0000000005DD0000-0x0000000005E94000-memory.dmp

Filesize
784KB

Download
memory/1972-41-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2624-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-34-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2624-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads