remcos | 19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26

General

Target

19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe
Size

961KB
MD5

9dc670ac35717a6ba33cbc766bad8f16
SHA1

3c7c31d2660bb124c7435b19e728d2dc11370fc3
SHA256

19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26
SHA512

c93f384c8813ad7a20397ce782fdf8e1eb6ba3d48ef1b20c9f833730239a9b2e4fc280a6480e9a757fc4d2368ad101401aeb20d7dbef07d9cb3323a9950d391a
SSDEEP

12288:iA1FLVsXKKIRpbSX344271jwiedZdTtyuZT6dmIUrWf1TkG6FkZlukJWP5ek9:iGFLKapbSnuehTtzZjA1TkGKeukE5

Score

10^/10

remcos udu discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

udu

C2

UDUM.WORK.GD:2431

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
sos
mouse_option
false
mutex
udm-2WYU92
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
2768	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2640 set thread context of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.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	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.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	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.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
2716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe
2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe
2768	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe
Token: SeDebugPrivilege	2768	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2524	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2524	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2524	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2768	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	30
PID 2640 wrote to memory of 2768	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	30
PID 2640 wrote to memory of 2768	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	30
PID 2640 wrote to memory of 2768	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	30
PID 2640 wrote to memory of 2716	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	32
PID 2640 wrote to memory of 2716	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	32
PID 2640 wrote to memory of 2716	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	32
PID 2640 wrote to memory of 2716	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	32
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34
PID 2640 wrote to memory of 2524	2640	19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe	34

C:\Users\Admin\AppData\Local\Temp\19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe
"C:\Users\Admin\AppData\Local\Temp\19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vazjrtpjLcu.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vazjrtpjLcu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FBB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2716
- C:\Users\Admin\AppData\Local\Temp\19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe
  "C:\Users\Admin\AppData\Local\Temp\19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2524

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\sos\logs.dat

Filesize
318B

MD5
50de00fc96054b11641b81ef92b4f525

SHA1
a099f3f2acedb2229b407fe9469f73b6deec4463

SHA256
851f49bb34893ffd9055fe288157eeb97ef3afe869adaf14a0e55450ab5a7be1

SHA512
cbb71d867d95120fe0d1828d04061a5551892df76d2685bb4fe9cde64684b56d8f1229e5aaa699d5d6d9d5537ebdcb648922f008d90ec716a146d9a2f3b3fac0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7FBB.tmp

Filesize
1KB

MD5
a5791dee756d31cbfe3d90b9cb186426

SHA1
f76a4fd9192b112835df71aa6d4fb69b14329c12

SHA256
0e95d320b6aaa26fedbd6c5003e2d93aa9a24cc824d4d84f972101add137539d

SHA512
c0abcd05884e1e911254a4fe224545beedc11d952f4b772010357c8812e918e1c22c75b412cafedecbeefb6e664fe0e9abc11d10a3500b706f12f7dd1a48f6ff

Download Submit
memory/2524-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2524-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2640-6-0x0000000005D60000-0x0000000005E20000-memory.dmp

Filesize
768KB

Download
memory/2640-1-0x0000000000E20000-0x0000000000F16000-memory.dmp

Filesize
984KB

Download
memory/2640-38-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2640-3-0x00000000008A0000-0x00000000008B0000-memory.dmp

Filesize
64KB

Download
memory/2640-4-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2640-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2640-2-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2640-5-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads