remcos | 0da22c340fbafbe02cff4b67706bac0c08c8de02846754e19820beb48070d222

General

Target

fp8N0KDGAqlhmkD.exe
Size

974KB
MD5

2e41d04e9012ed4dcfa86a63175992ac
SHA1

4b7c733e464500833e364eca4c493de2b2ced3b0
SHA256

3cb79b389e24d9c7cb87e631b41e0cf3a83b18d7205c7808266d9221928294c2
SHA512

88356731abf96745bf93fbccb5ca3eac56190b4fd4a5ab16b9932f74080621f27902560a4a9071113b10b0cbc7d0d39449f87573b2f8d4f5a43087b6e0acb5c2
SSDEEP

24576:+bYUdN6DuMFPmciYaUQbQKxAUg/u+SycwoYPjlfL:+XdNIuiecX+vsSyqYdL

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

tjwpn04kn.localto.net:2247

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
hytg
mouse_option
false
mutex
Rmc-JD0XH1
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

pid	Process
2976	powershell.exe
2656	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2904	2764	fp8N0KDGAqlhmkD.exe	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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fp8N0KDGAqlhmkD.exe
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
2764	fp8N0KDGAqlhmkD.exe
2764	fp8N0KDGAqlhmkD.exe
2976	powershell.exe
2656	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	fp8N0KDGAqlhmkD.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	2656	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2904	vbc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2976	2764	fp8N0KDGAqlhmkD.exe	31
PID 2764 wrote to memory of 2976	2764	fp8N0KDGAqlhmkD.exe	31
PID 2764 wrote to memory of 2976	2764	fp8N0KDGAqlhmkD.exe	31
PID 2764 wrote to memory of 2976	2764	fp8N0KDGAqlhmkD.exe	31
PID 2764 wrote to memory of 2656	2764	fp8N0KDGAqlhmkD.exe	33
PID 2764 wrote to memory of 2656	2764	fp8N0KDGAqlhmkD.exe	33
PID 2764 wrote to memory of 2656	2764	fp8N0KDGAqlhmkD.exe	33
PID 2764 wrote to memory of 2656	2764	fp8N0KDGAqlhmkD.exe	33
PID 2764 wrote to memory of 2740	2764	fp8N0KDGAqlhmkD.exe	34
PID 2764 wrote to memory of 2740	2764	fp8N0KDGAqlhmkD.exe	34
PID 2764 wrote to memory of 2740	2764	fp8N0KDGAqlhmkD.exe	34
PID 2764 wrote to memory of 2740	2764	fp8N0KDGAqlhmkD.exe	34
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37
PID 2764 wrote to memory of 2904	2764	fp8N0KDGAqlhmkD.exe	37

C:\Users\Admin\AppData\Local\Temp\fp8N0KDGAqlhmkD.exe
"C:\Users\Admin\AppData\Local\Temp\fp8N0KDGAqlhmkD.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764
- 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\fp8N0KDGAqlhmkD.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QkLFHHdCPdqG.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2656
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QkLFHHdCPdqG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A6A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2740
- 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:2904

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\hytg\logs.dat

Filesize
144B

MD5
2becdf1b39cc6703a12b335f94c0e96e

SHA1
7b46da9a80271e7ced6e678cecdec5bb41961b47

SHA256
ac803d7507a4f46c0864ceea9f20be85144637275f430991e822a81b9f27bb1f

SHA512
9b06f219bc4982bd68718b64752159e81a2eb48da0588604028e6965470316c5938f41e706a3535e8af6b3b2d2d42c17243fa842de1320969b633ab825db2dfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2A6A.tmp

Filesize
1KB

MD5
bc44117428398034527d697fd9ec57d1

SHA1
f30cdb3922ca1b29f1a060b35eea7b9867b014be

SHA256
18a06b805b160898119cdf4ddc0027581603801290cc16fdc462a875daa7b94a

SHA512
89e2110488ed97a8d4a4edeb1dcce65499103f1462fddd6fda7a469922816190c0b5376c76500dc30d5bb38afa9eedb290f60507b3028c1ddc00a9dd396ab745

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

Filesize
7KB

MD5
8103d90a8da0070d34cf2c73a1e00632

SHA1
5ce36d32e0b684c970d8009ffe07731d70912efe

SHA256
ba775f8dceef349ea5e222c7cb384a1de5cdd8d634b5feaad8767062ad8ec294

SHA512
01582a465a458a9bf77bf4a040235613422aabeba2a07479d7a673c989d92758b36268a5f70f60bb5f5767cf1bedb80d727f320f0a66ecba5f67087451223b3d

Download Submit
memory/2764-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/2764-1-0x00000000003B0000-0x00000000004AA000-memory.dmp

Filesize
1000KB

Download
memory/2764-2-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-3-0x00000000004F0000-0x000000000050E000-memory.dmp

Filesize
120KB

Download
memory/2764-4-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/2764-5-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-6-0x0000000005160000-0x0000000005222000-memory.dmp

Filesize
776KB

Download
memory/2764-38-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-31-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-24-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-43-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-44-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-52-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-53-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-60-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-61-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2904-68-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads