remcos | 7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b

General

Target

7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe
Size

988KB
MD5

8e096c769a06afc7cb0d2e4903632829
SHA1

5d1887cbc765869914c5a5139806ca960c1f5c5c
SHA256

7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b
SHA512

911750d486f469ea98f6e2895bd65657c85a20804b1c06eaf3edbd35f20a76c729c9a39ead4bc5db705300aa4c10740c0190cac1ac0d900f77b95171a16f3073
SSDEEP

24576:xgpPDplZrOxmv3s4XVZOL8MevAUxZZ6UHxOt4UXZ:x8Fgmv3s4XHW8sUp6UU3XZ

Score

10^/10

remcos irnserv1 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

IRNSERV1

C2

irnserv1.ddns.net:4424

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
Rmc-20UF0Z
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
2128	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.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	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2128	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2924	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2128	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	31
PID 2132 wrote to memory of 2128	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	31
PID 2132 wrote to memory of 2128	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	31
PID 2132 wrote to memory of 2128	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	31
PID 2132 wrote to memory of 2772	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	32
PID 2132 wrote to memory of 2772	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	32
PID 2132 wrote to memory of 2772	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	32
PID 2132 wrote to memory of 2772	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	32
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35
PID 2132 wrote to memory of 2924	2132	7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe	35

C:\Users\Admin\AppData\Local\Temp\7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe
"C:\Users\Admin\AppData\Local\Temp\7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZnxXVXP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2128
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZnxXVXP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB51.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe
  "C:\Users\Admin\AppData\Local\Temp\7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2924

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

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
f4061cdeec636d6f5e8310b8b248d577

SHA1
a4b60aba93ef2cc60390868a09f743ef00d3cec2

SHA256
63f1d9fd0621b0ffc86a33307be2bda4f91d86c5096bceed14ad3161168cfc64

SHA512
9d12447ac643e91384751260ba35bcded1b19c1d41618d17f3b6c4487e17c912f1e8dfd1241e042810312783d7bf19e74b4d911ce1f411bbda293394991e0b5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDB51.tmp

Filesize
1KB

MD5
6d764b04ee9f3cdc7a085f2ceba81792

SHA1
1f4fc7f2e6e667dd90d596287a86e62ca25ecb14

SHA256
31b7445242f811140a66554128509f38f85e9ecca75100ddaa071fac49191bc2

SHA512
4acdca34375cd054fc9246ddae55a52fdbcc344643f5cddf353fc87c2d13fb2c20b518c15d8a8458bda664b8cbeee995e823c54ecec8d128cb882f089d5c51fb

Download Submit
memory/2132-33-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-1-0x0000000000100000-0x00000000001FC000-memory.dmp

Filesize
1008KB

Download
memory/2132-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-3-0x0000000000580000-0x000000000059A000-memory.dmp

Filesize
104KB

Download
memory/2132-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2132-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-6-0x0000000004FF0000-0x00000000050B0000-memory.dmp

Filesize
768KB

Download
memory/2132-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2924-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2924-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads