remcos | e8aa95c6ae470b7631ac3b11a81e7f76fe0a0b10a6fafff1ab987e10438a3e0e

General

Target

CI-TLN0124796CMACGM.scr
Size

915KB
MD5

02d513fa3a4c04f1ffce97c25caccdff
SHA1

853948f7ff1d69a293c4f4617185c24b9859e6dd
SHA256

d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a
SHA512

9a9b925e7d5acec5216ecb64f7352a8a27598106452984f08155f2bef640fe1ad93ff3a7869cacfaec2514641740c41fcc0e7e4f0172eaa7072c1c9c05087ab3
SSDEEP

24576:SgW2J4Sl29MaW6EEJJQEtTShtxMwwW7yUVzmoeli:SgjJYSoxtuDxZlyUVzmo

Score

10^/10

remcos generalwire-slaves discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

GeneralWire-Slaves

C2

milliondollar23.duckdns.org:3984

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-TWU43D
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

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

pid	Process
2356	powershell.exe
2724	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2636	2172	CI-TLN0124796CMACGM.scr	37

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

description	ioc	Process
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	CI-TLN0124796CMACGM.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CI-TLN0124796CMACGM.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

pid	Process
2740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2172	CI-TLN0124796CMACGM.scr
2172	CI-TLN0124796CMACGM.scr
2724	powershell.exe
2356	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	CI-TLN0124796CMACGM.scr
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	2356	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2636	CI-TLN0124796CMACGM.scr

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2356	2172	CI-TLN0124796CMACGM.scr	31
PID 2172 wrote to memory of 2356	2172	CI-TLN0124796CMACGM.scr	31
PID 2172 wrote to memory of 2356	2172	CI-TLN0124796CMACGM.scr	31
PID 2172 wrote to memory of 2356	2172	CI-TLN0124796CMACGM.scr	31
PID 2172 wrote to memory of 2724	2172	CI-TLN0124796CMACGM.scr	33
PID 2172 wrote to memory of 2724	2172	CI-TLN0124796CMACGM.scr	33
PID 2172 wrote to memory of 2724	2172	CI-TLN0124796CMACGM.scr	33
PID 2172 wrote to memory of 2724	2172	CI-TLN0124796CMACGM.scr	33
PID 2172 wrote to memory of 2740	2172	CI-TLN0124796CMACGM.scr	34
PID 2172 wrote to memory of 2740	2172	CI-TLN0124796CMACGM.scr	34
PID 2172 wrote to memory of 2740	2172	CI-TLN0124796CMACGM.scr	34
PID 2172 wrote to memory of 2740	2172	CI-TLN0124796CMACGM.scr	34
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37
PID 2172 wrote to memory of 2636	2172	CI-TLN0124796CMACGM.scr	37

C:\Users\Admin\AppData\Local\Temp\CI-TLN0124796CMACGM.scr
"C:\Users\Admin\AppData\Local\Temp\CI-TLN0124796CMACGM.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172
- 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\CI-TLN0124796CMACGM.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LdtceRaylJq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LdtceRaylJq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF7D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2740
- C:\Users\Admin\AppData\Local\Temp\CI-TLN0124796CMACGM.scr
  "C:\Users\Admin\AppData\Local\Temp\CI-TLN0124796CMACGM.scr"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

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\remcos\logs.dat

Filesize
144B

MD5
a090a31c0648e4c78c91c9973dac0422

SHA1
468d604f691c178d40f09f77a5f761871035d634

SHA256
6be6aad888215add215ed29aa5c1a48b4daa88201246259e1911ee51a676208b

SHA512
46d350938ab0d84f3ae38dc7e6af056922b1b437ca928fbae18982c253c99e06c56f5b36692e0db70ddbb1baf989dbb076e07056c09dc107c4071c9e3bd20a84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEF7D.tmp

Filesize
1KB

MD5
86e834ad8c4faa7e352a3a4627f28cfa

SHA1
9b6672dd350e8509487e184449765c90ef35d668

SHA256
26bd97276fc7c1d323567c52ac1fd8ed836dba57c3a5797b62d122d983355446

SHA512
81d2a0f4d9d022d6b6f1e38e2e35320c8a23d41448827200997b0113a972e214aefa24d6cd0af94c406a461b21c05973284086370fd207724a4c4ee11eeaabf4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YS62604OA3YI0EISQIU4.temp

Filesize
7KB

MD5
39754fad7e02fbbb4813167db4137dcc

SHA1
a7560f63fb8b1d5be6ffdef697de33fea7782633

SHA256
5f64d480a0435484d90236126fe41ac4b9d4d5764a51c7a9fbf7f35a434a0596

SHA512
87eaa28f94326dd64c0e2481b693ba79c5856dc121cc2c911e5b5493a63f5bd67a0377ddf2d5ec1ba35bbb38b91c9e7e7b3aa8b600811513e1ab9842e48bd640

Download Submit
memory/2172-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2172-1-0x0000000000FF0000-0x00000000010DA000-memory.dmp

Filesize
936KB

Download
memory/2172-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-3-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/2172-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2172-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-6-0x00000000054A0000-0x0000000005560000-memory.dmp

Filesize
768KB

Download
memory/2172-43-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2636-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads