remcos | 0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa

General

Target

0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe
Size

986KB
MD5

a5e057f72b814ddcc71246b8dd092e2a
SHA1

155810faddf2f068fe49735bbd6a3a13a60c75c3
SHA256

0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa
SHA512

3cb1fcdab4b1d13ffdde1cf5439fc69830db3fcb9f444cbea4a7167f88414ca630d09ba00742ee5d5a4b2f1c9f33ef13351781e447d34d5db0aad2f132d68ca9
SSDEEP

24576:lG5oJaVtxpPhSo88M8taYVTwLknbBdrvmyzdKl83AXax:SvMAaYVTbnbfrv1z8lR

Score

10^/10

remcos hdyebf discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

hdyebf

C2

decmainserver.webredirect.org:45682

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
46875-RPQWNM
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
Remcos family
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
2404	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 352 set thread context of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35

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	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.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	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.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
2680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2404	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 2404	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	31
PID 352 wrote to memory of 2404	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	31
PID 352 wrote to memory of 2404	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	31
PID 352 wrote to memory of 2404	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	31
PID 352 wrote to memory of 2680	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	33
PID 352 wrote to memory of 2680	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	33
PID 352 wrote to memory of 2680	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	33
PID 352 wrote to memory of 2680	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	33
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35
PID 352 wrote to memory of 2636	352	0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe	35

C:\Users\Admin\AppData\Local\Temp\0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe
"C:\Users\Admin\AppData\Local\Temp\0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:352
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RTdozXra.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2404
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RTdozXra" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE55.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2680
- C:\Users\Admin\AppData\Local\Temp\0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe
  "C:\Users\Admin\AppData\Local\Temp\0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEE55.tmp

Filesize
1KB

MD5
f3e1997d158b39f203f2e8c720f657d0

SHA1
32e60f9afc812a59fbf161ced693e49ac0237631

SHA256
c073be83c35df06686941e2d4502ce8e91be5769aa7730ab45a99d43fe0fd3cb

SHA512
b6d4b6a9765bac68095ea73912a3ce48e131734440c6cf8771a6582ddd958a5e950d963ed15d3ed422eed0980b32a9ea562445ebb229c200a3609e5b5fc31ef3

Download Submit
memory/352-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/352-1-0x0000000000B30000-0x0000000000C2C000-memory.dmp

Filesize
1008KB

Download
memory/352-2-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/352-3-0x0000000000600000-0x0000000000618000-memory.dmp

Filesize
96KB

Download
memory/352-4-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/352-5-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/352-6-0x0000000004D10000-0x0000000004DD0000-memory.dmp

Filesize
768KB

Download
memory/352-34-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads