remcos | 5614f9b688d36caebfa76a05a4e128940e3fc845343f466fefe463dcf64dc622

General

Target

3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe
Size

1.0MB
MD5

e27d56543ed9f63f27ce9de7222059ab
SHA1

6dd4fb5f2a72f055b2dda672a731fd7adf63aaa0
SHA256

3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d
SHA512

9b36200aa2d45043d3e4e12c6ef308c6f0fd6616900dc29524cd79b5bebc4d1cd0ecc27884b00ce491a85143c444d2e7d7c2e69573204146bf1250239a20f01c
SSDEEP

24576:9J23hprGGlw6WuIy4HVHPA6DKostY3foGnoXnUrvSA:9J2TqGlauIy4HlDKoOmfX2

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

91.92.241.171:89

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-ERWHKE
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 1 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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34

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 4 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	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.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
2668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe
2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe
2356	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe
Token: SeDebugPrivilege	2356	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2356	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	30
PID 2436 wrote to memory of 2356	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	30
PID 2436 wrote to memory of 2356	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	30
PID 2436 wrote to memory of 2356	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	30
PID 2436 wrote to memory of 2668	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	32
PID 2436 wrote to memory of 2668	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	32
PID 2436 wrote to memory of 2668	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	32
PID 2436 wrote to memory of 2668	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	32
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34
PID 2436 wrote to memory of 2644	2436	3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe	34

C:\Users\Admin\AppData\Local\Temp\3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe
"C:\Users\Admin\AppData\Local\Temp\3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gTtHsFyH.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gTtHsFyH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5274.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2668
- C:\Users\Admin\AppData\Local\Temp\3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe
  "C:\Users\Admin\AppData\Local\Temp\3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2644

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:\Users\Admin\AppData\Local\Temp\tmp5274.tmp

Filesize
1KB

MD5
2f89dacf5e962267b98311bcc8803a41

SHA1
c7499bcc55e634887dbe3ef539ce0cf86c1fa918

SHA256
7ce5fd4c4f8b335d715a9ca7cf7a138aaf7e452639ab269eba138a21c0d657d9

SHA512
1c75c96830e52429ab0568447a18bc2783b667103851216f632c51634cc7097ab9f38750313c941c73a0791523cab6168eae269caf76a00a4d193baf9c147816

Download Submit
memory/2436-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/2436-1-0x0000000001170000-0x000000000127E000-memory.dmp

Filesize
1.1MB

Download
memory/2436-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-3-0x0000000000460000-0x000000000047A000-memory.dmp

Filesize
104KB

Download
memory/2436-4-0x00000000009A0000-0x00000000009A8000-memory.dmp

Filesize
32KB

Download
memory/2436-5-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/2436-6-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-7-0x00000000009C0000-0x00000000009CC000-memory.dmp

Filesize
48KB

Download
memory/2436-8-0x0000000004D20000-0x0000000004DE0000-memory.dmp

Filesize
768KB

Download
memory/2436-37-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads