remcos | 4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23/06/2024, 06:05

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General

Target
4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5_NeikiAnalytics.exe
Size 137KB
Sample240623-gtegnssbrc
SHA256 4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5
MD5 e00031d57b49909b95ded10db62617d0
SHA1 18058c6408248bd17b68344118e03a8ca30b47c3
SHA512 5cc7b09643456ac64e1a87437882d021be18c07b70d21b104c4cea0e0230f874732dd364a6ae7840ebce511aafc2e365e1fc71c02f86f7c7ebf8564db0bc50fc
SSDEEP 1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKR:xPd4n/M+WLcilrpgGH/GwY87mVmIXB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos host persistence rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

systemcontrol.ddns.net:45000
systemcontrol2.ddns.net:45000

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
OfficeUpgrade.exe
copy_folder
OfficeUpgrade
delete_file
false
hide_file
true
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
Upgrader.dat
keylog_flag
false
keylog_folder
Upgrader
keylog_path
%AppData%
mouse_option
false
mutex
req_khauflaoyr
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
OfficeUpgrade
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

pid	Process
2344	wn2ra4ohzdr.exe
1820	wn2ra4ohzdr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raj4dkhhiap = "C:\\Users\\Admin\\AppData\\Roaming\\raj4dkhhiap\\wn2ra4ohzdr.exe"	4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2344 set thread context of 1820	2344	wn2ra4ohzdr.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1820	wn2ra4ohzdr.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2344	1644	4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5_NeikiAnalytics.exe	81
PID 1644 wrote to memory of 2344	1644	4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5_NeikiAnalytics.exe	81
PID 1644 wrote to memory of 2344	1644	4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5_NeikiAnalytics.exe	81
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82
PID 2344 wrote to memory of 1820	2344	wn2ra4ohzdr.exe	82

C:\Users\Admin\AppData\Local\Temp\4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4467138cf6bec169b6c0cb9abe48e86202b75a5301828766b059c8af06d4a0f5_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Roaming\raj4dkhhiap\wn2ra4ohzdr.exe
  "C:\Users\Admin\AppData\Roaming\raj4dkhhiap\wn2ra4ohzdr.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Users\Admin\AppData\Roaming\raj4dkhhiap\wn2ra4ohzdr.exe
    "C:\Users\Admin\AppData\Roaming\raj4dkhhiap\wn2ra4ohzdr.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:1820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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wn2ra4ohzdr.exe

Path C:\Users\Admin\AppData\Roaming\raj4dkhhiap\wn2ra4ohzdr.exe
Size 137KB
SHA256 c6fac2851f8396a7ce39dd34ddb229a435fced514641e525ee874647037f2381
MD5 d925eb5d288e60e0e74df7bbd03a5b98
SHA1 b483740bfa64ea92abe9c3a99e362981ca3c4920
SHA512 c3dd1d566ce11fadc27fcf3e7ec6c63e8fbcc46f1c5ca91146aca68975bbc1e279a6b77d1a94b15270c5c5e6db7f876dd6a1d212cecca90a7f4e3c2bfaea905c
SSDEEP 1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKQ:xPd4n/M+WLcilrpgGH/GwY87mVmIXg
MD5 SHA1 SHA512 SSDEEP

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memory/1644-20-0x00000000746A0000-0x0000000074E50000-memory.dmp

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memory/1644-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

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memory/1644-3-0x0000000005740000-0x00000000057D2000-memory.dmp

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memory/1644-4-0x00000000058E0000-0x00000000058EA000-memory.dmp

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memory/1644-5-0x00000000746A0000-0x0000000074E50000-memory.dmp

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memory/1644-6-0x00000000059B0000-0x00000000059D0000-memory.dmp

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memory/1644-1-0x0000000000D10000-0x0000000000D38000-memory.dmp

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memory/1644-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

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memory/1820-24-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1820-26-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1820-25-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1820-23-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1820-29-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1820-30-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2344-22-0x00000000746A0000-0x0000000074E50000-memory.dmp

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memory/2344-21-0x00000000746A0000-0x0000000074E50000-memory.dmp

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memory/2344-36-0x00000000746A0000-0x0000000074E50000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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