remcos | c69b2064c89c254dbeda8f204b3a60ab753816ddff618be9d593cb9839cfe09d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 13:49

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General

Target

Company Profile and new order-202401127.scr
Size

779KB
MD5

935bdb714d2c6a118e9c6bfd941084b8
SHA1

817f3f195d61d459fbbdac24e5a4f014d927edcf
SHA256

c69b2064c89c254dbeda8f204b3a60ab753816ddff618be9d593cb9839cfe09d
SHA512

6915674b2cf0bbc300f18dc26fd983bb69d5ddf8ec7d00831915ae6d5602d0b770d5e785ab8b0d33b9e0c353773e2777273ff6e8383d7332a54fe2440976ede4
SSDEEP

12288:XXa6zw6GW2F+5XizizdI+9kUWM6vQWO0v1wb1EVLz56TE/n0koAHf9qo05bWYpD/:XXal655XEIimkUd0dPpL04/9X05bj

Score

10^/10

remcos remotehost discovery execution persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

185.29.10.213:63650

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
remcos
mouse_option
false
mutex
Rmc-NJ8CFR
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 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
3292	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Loaded = "%Salutbatteriernes% -windowstyle 1 $Psammous=(gp -Path 'HKCU:\\Software\\Absinthium\\').Emulsifiable;%Salutbatteriernes% ($Psammous)"	reg.exe

Blocklisted process makes network request 8 IoCs

Processes:

msiexec.exe

flow	pid	Process
22	1240	msiexec.exe
24	1240	msiexec.exe
26	1240	msiexec.exe
41	1240	msiexec.exe
44	1240	msiexec.exe
46	1240	msiexec.exe
50	1240	msiexec.exe
51	1240	msiexec.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

msiexec.exe

pid	Process
1240	msiexec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

powershell.exemsiexec.exe

pid	Process
3292	powershell.exe
1240	msiexec.exe

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

Processes:

Company Profile and new order-202401127.scrpowershell.exemsiexec.execmd.exereg.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Company Profile and new order-202401127.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

Processes:

reg.exe

pid	Process
1068	reg.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exe

pid	Process
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

powershell.exe

pid	Process
3292	powershell.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	3292	powershell.exe
Token: SeIncreaseQuotaPrivilege	3292	powershell.exe
Token: SeSecurityPrivilege	3292	powershell.exe
Token: SeTakeOwnershipPrivilege	3292	powershell.exe
Token: SeLoadDriverPrivilege	3292	powershell.exe
Token: SeSystemProfilePrivilege	3292	powershell.exe
Token: SeSystemtimePrivilege	3292	powershell.exe
Token: SeProfSingleProcessPrivilege	3292	powershell.exe
Token: SeIncBasePriorityPrivilege	3292	powershell.exe
Token: SeCreatePagefilePrivilege	3292	powershell.exe
Token: SeBackupPrivilege	3292	powershell.exe
Token: SeRestorePrivilege	3292	powershell.exe
Token: SeShutdownPrivilege	3292	powershell.exe
Token: SeDebugPrivilege	3292	powershell.exe
Token: SeSystemEnvironmentPrivilege	3292	powershell.exe
Token: SeRemoteShutdownPrivilege	3292	powershell.exe
Token: SeUndockPrivilege	3292	powershell.exe
Token: SeManageVolumePrivilege	3292	powershell.exe
Token: 33	3292	powershell.exe
Token: 34	3292	powershell.exe
Token: 35	3292	powershell.exe
Token: 36	3292	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Company Profile and new order-202401127.scrpowershell.exemsiexec.execmd.exe

description	pid	Process	procid_target
PID 2708 wrote to memory of 3292	2708	Company Profile and new order-202401127.scr	82
PID 2708 wrote to memory of 3292	2708	Company Profile and new order-202401127.scr	82
PID 2708 wrote to memory of 3292	2708	Company Profile and new order-202401127.scr	82
PID 3292 wrote to memory of 1240	3292	powershell.exe	91
PID 3292 wrote to memory of 1240	3292	powershell.exe	91
PID 3292 wrote to memory of 1240	3292	powershell.exe	91
PID 3292 wrote to memory of 1240	3292	powershell.exe	91
PID 1240 wrote to memory of 2036	1240	msiexec.exe	92
PID 1240 wrote to memory of 2036	1240	msiexec.exe	92
PID 1240 wrote to memory of 2036	1240	msiexec.exe	92
PID 2036 wrote to memory of 1068	2036	cmd.exe	94
PID 2036 wrote to memory of 1068	2036	cmd.exe	94
PID 2036 wrote to memory of 1068	2036	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\Company Profile and new order-202401127.scr
"C:\Users\Admin\AppData\Local\Temp\Company Profile and new order-202401127.scr" /S
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Vagtselskabets=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Temp\nonopposable\ff4\Burglarproofs\bordskaaneren.Exp';$wullawins=$Vagtselskabets.SubString(21189,3);.$wullawins($Vagtselskabets)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\SysWOW64\msiexec.exe"
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1240
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Loaded" /t REG_EXPAND_SZ /d "%Salutbatteriernes% -windowstyle 1 $Psammous=(gp -Path 'HKCU:\Software\Absinthium\').Emulsifiable;%Salutbatteriernes% ($Psammous)"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2036
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Loaded" /t REG_EXPAND_SZ /d "%Salutbatteriernes% -windowstyle 1 $Psammous=(gp -Path 'HKCU:\Software\Absinthium\').Emulsifiable;%Salutbatteriernes% ($Psammous)"
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:1068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xedyvcpg.1kj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nonopposable\ff4\Burglarproofs\bordskaaneren.Exp

Filesize
55KB

MD5
755fb54225dd285b06c369a2f5e58082

SHA1
f87f62424d1e437c7bd3b8c5fad3ed40269f140a

SHA256
81e5c8c7b98950c580ef3681dca6bfb2729cc82e862dabc118a53442c4c96bc1

SHA512
4efea102c5076a541f96a788d88dc550195abc0a464b0d36638a8502836077f9c02e0a636c1f9654c693a7c853df0e6b99eaf6f0d4e5ffb0f81ae64690b3c915

Download Submit
C:\Users\Admin\AppData\Local\Temp\nonopposable\ff4\Unsoil.Coa

Filesize
358KB

MD5
d1e068d6f404618fb2865467ca5a6c8a

SHA1
ea38b343ca3cc8669a1201977f453e3d59bbd904

SHA256
4d22f5607f2c5579e7296ad7c71ae84de5af8bda148b653e99fc5cffef569136

SHA512
5a4c72ee6ccdc80fc0815ee9f68bfd93e22f9fd891cb5a60d843b8318ae9c538a6ce9c3aa18ee3017a1ee615ed2e485d07bd722ccc91b200baeff02254f85ffd

Download Submit
memory/1240-76-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-78-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-91-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-90-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-89-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-88-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-87-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-86-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-85-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-84-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-83-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/1240-82-0x0000000000D50000-0x0000000001FA4000-memory.dmp

Filesize
18.3MB

Download
memory/3292-47-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/3292-55-0x00000000753DE000-0x00000000753DF000-memory.dmp

Filesize
4KB

Download
memory/3292-26-0x0000000006B70000-0x0000000006B8A000-memory.dmp

Filesize
104KB

Download
memory/3292-27-0x0000000006C60000-0x0000000006C82000-memory.dmp

Filesize
136KB

Download
memory/3292-28-0x0000000007CC0000-0x0000000008264000-memory.dmp

Filesize
5.6MB

Download
memory/3292-30-0x00000000088F0000-0x0000000008F6A000-memory.dmp

Filesize
6.5MB

Download
memory/3292-31-0x0000000007860000-0x0000000007892000-memory.dmp

Filesize
200KB

Download
memory/3292-32-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-33-0x00000000711F0000-0x000000007123C000-memory.dmp

Filesize
304KB

Download
memory/3292-43-0x00000000078A0000-0x00000000078BE000-memory.dmp

Filesize
120KB

Download
memory/3292-45-0x00000000078D0000-0x0000000007973000-memory.dmp

Filesize
652KB

Download
memory/3292-44-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-46-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-24-0x0000000006690000-0x00000000066DC000-memory.dmp

Filesize
304KB

Download
memory/3292-48-0x0000000007BF0000-0x0000000007C01000-memory.dmp

Filesize
68KB

Download
memory/3292-49-0x0000000007C30000-0x0000000007C3E000-memory.dmp

Filesize
56KB

Download
memory/3292-50-0x0000000007C40000-0x0000000007C54000-memory.dmp

Filesize
80KB

Download
memory/3292-51-0x0000000007CA0000-0x0000000007CBA000-memory.dmp

Filesize
104KB

Download
memory/3292-52-0x0000000007C70000-0x0000000007C78000-memory.dmp

Filesize
32KB

Download
memory/3292-53-0x00000000083D0000-0x00000000083FA000-memory.dmp

Filesize
168KB

Download
memory/3292-54-0x0000000008400000-0x0000000008424000-memory.dmp

Filesize
144KB

Download
memory/3292-25-0x0000000006BC0000-0x0000000006C56000-memory.dmp

Filesize
600KB

Download
memory/3292-56-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-57-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-58-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-59-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-61-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-62-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-64-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-63-0x0000000008F70000-0x000000000B4F6000-memory.dmp

Filesize
37.5MB

Download
memory/3292-65-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-66-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-23-0x0000000006670000-0x000000000668E000-memory.dmp

Filesize
120KB

Download
memory/3292-22-0x0000000006000000-0x0000000006354000-memory.dmp

Filesize
3.3MB

Download
memory/3292-12-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/3292-11-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/3292-10-0x0000000005630000-0x0000000005652000-memory.dmp

Filesize
136KB

Download
memory/3292-9-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-8-0x00000000057A0000-0x0000000005DC8000-memory.dmp

Filesize
6.2MB

Download
memory/3292-7-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-6-0x0000000002CB0000-0x0000000002CE6000-memory.dmp

Filesize
216KB

Download
memory/3292-5-0x00000000753DE000-0x00000000753DF000-memory.dmp

Filesize
4KB

Download
memory/3292-68-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download
memory/3292-69-0x00000000753D0000-0x0000000075B80000-memory.dmp

Filesize
7.7MB

Download