remcos | ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 19:18

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General

Target
ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe
Size 1.7MB
Sample260804-xzzykacp2z
SHA256 ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b
MD5 534894413197b6c7df301d1f1f639af4
SHA1 aaa60fb0e04147941c9f002fd0ec7c642f3267b3
SHA512 dfec268fbef3258bd8c2862b4f23ec0bbfa32ad86ef9b957a13d31d4c1240e90435e60a5d3823363749627a31b067ca6b8b549e28b5fbb68341d7e46abf34843
SSDEEP 12288:zCGQnH9qZGuHBuxnqjQNbbin3hg9HWGJHBy0ZgHo6ht/uJYUUN4IXX27I0Cx7dI:zXQnd2epYsc4qUIqXnm6OvyfQJpWu
TLSH
T14C8564202BEE5059F573AE61CBD8B692FB6FF7E33206E9DD1400434E5222946DEC4939
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

comercio discovery execution remcos persistence rat

Malware Config

Extracted

Family

remcos

Version

7.0.5 Pro

Botnet

COMERCIO

andressandoval102030003.duckdns.org:2424

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-K3BXA3
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1964	svchostex.exe
3796	svchostex.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 2080	1964	svchostex.exe	94
PID 3796 set thread context of 5528	3796	svchostex.exe	95
PID 2560 set thread context of 5412	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	96

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	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchostex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchostex.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
1572	schtasks.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 1572	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	89
PID 2560 wrote to memory of 3796	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	93
PID 1964 wrote to memory of 2080	1964	svchostex.exe	94
PID 1964 wrote to memory of 2080	1964	svchostex.exe	94
PID 1964 wrote to memory of 2080	1964	svchostex.exe	94
PID 1964 wrote to memory of 2080	1964	svchostex.exe	94
PID 1964 wrote to memory of 2080	1964	svchostex.exe	94
PID 1964 wrote to memory of 2080	1964	svchostex.exe	94
PID 1964 wrote to memory of 2080	1964	svchostex.exe	94
PID 3796 wrote to memory of 5528	3796	svchostex.exe	95
PID 3796 wrote to memory of 5528	3796	svchostex.exe	95
PID 3796 wrote to memory of 5528	3796	svchostex.exe	95
PID 3796 wrote to memory of 5528	3796	svchostex.exe	95
PID 3796 wrote to memory of 5528	3796	svchostex.exe	95
PID 3796 wrote to memory of 5528	3796	svchostex.exe	95
PID 3796 wrote to memory of 5528	3796	svchostex.exe	95
PID 2560 wrote to memory of 5412	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	96
PID 2560 wrote to memory of 5412	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	96
PID 2560 wrote to memory of 5412	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	96
PID 2560 wrote to memory of 5412	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	96
PID 2560 wrote to memory of 5412	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	96
PID 2560 wrote to memory of 5412	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	96
PID 2560 wrote to memory of 5412	2560	ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe	96

C:\Users\Admin\AppData\Local\Temp\ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe
"C:\Users\Admin\AppData\Local\Temp\ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /tn "Microsoft SystemHost Service" /tr "'C:\ProgramData\SystemHost\svchostex.exe'" /sc onstart /ru System /rl highest /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1572
- C:\ProgramData\SystemHost\svchostex.exe
  "C:\ProgramData\SystemHost\svchostex.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3796
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    PID:5528
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  PID:5412

C:\ProgramData\SystemHost\svchostex.exe
"C:\ProgramData\SystemHost\svchostex.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  PID:2080

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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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svchostex.exe

Path C:\ProgramData\SystemHost\svchostex.exe
Size 1.7MB
SHA256 ff6063a86ab2daf75ffe69e641a87c4cdd114fefe55922d1450a163c9568ea3b
MD5 534894413197b6c7df301d1f1f639af4
SHA1 aaa60fb0e04147941c9f002fd0ec7c642f3267b3
SHA512 dfec268fbef3258bd8c2862b4f23ec0bbfa32ad86ef9b957a13d31d4c1240e90435e60a5d3823363749627a31b067ca6b8b549e28b5fbb68341d7e46abf34843
SSDEEP 12288:zCGQnH9qZGuHBuxnqjQNbbin3hg9HWGJHBy0ZgHo6ht/uJYUUN4IXX27I0Cx7dI:zXQnd2epYsc4qUIqXnm6OvyfQJpWu
TLSH
T14C8564202BEE5059F573AE61CBD8B692FB6FF7E33206E9DD1400434E5222946DEC4939
MD5 SHA1 SHA512 SSDEEP TLSH

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tasks.csv

Path C:\ProgramData\SystemHost\tasks.csv
Size 191B
SHA256 5d31fa0d529db3f194c082ad8dc947035f1de608796c39adfee585366d182d05
MD5 83e40617c2853b3c9c4071f6305b755b
SHA1 fd653b681c9aa6c972aae43ef29251dc06ca188e
SHA512 22032a80f5719168728cc019763cae838e2a1f80925878581a7ddc07fb6194fa184e73019b9a088fa7e19e92272f686f5ae3515c473ce787dd4c1ddab354c726
TLSH
T10FC0228000A2041DA8938817A718FF4C89403706DA06002453B221C18C232014E1F229
MD5 SHA1 SHA512 TLSH

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tasks.csv

Path C:\ProgramData\SystemHost\tasks.csv
Size 96B
SHA256 be0b45956dfa9b0f275439e37cb1004619db23db109afbaacb4fe6f24f04ab37
MD5 c7cfab1174f7aedc200c2166ae6c720d
SHA1 1cb43733b506cbaa0f5f13d764093f5a872d53fc
SHA512 b0c2bea29e6203f204ef151344f8ece1cd92ab0f19bada9b9959c5a48557d3d3ed0424d0e7b9571bfae710916ccf5087ce71c4c5b1101487e33ca856acc50fa5
TLSH
T159B012104162146CD8471807B600BF0E85803902D411143057B620C08A171550B2F35D
MD5 SHA1 SHA512 TLSH

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memory/1964-15-0x0000000004E50000-0x0000000004E68000-memory.dmp

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memory/1964-16-0x0000000004DD0000-0x0000000004DE2000-memory.dmp

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memory/1964-24-0x0000000004E90000-0x0000000004E98000-memory.dmp

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memory/1964-6-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/1964-7-0x0000000000BA0000-0x0000000000BB2000-memory.dmp

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memory/1964-11-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/1964-28-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/1964-22-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/1964-21-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/2080-26-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/2560-0-0x00000000747C2000-0x00000000747C3000-memory.dmp

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memory/2560-1-0x00000000007A0000-0x0000000000956000-memory.dmp

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memory/2560-18-0x0000000005280000-0x0000000005292000-memory.dmp

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memory/2560-19-0x00000000747C2000-0x00000000747C3000-memory.dmp

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memory/2560-20-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/2560-36-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/2560-2-0x0000000002E20000-0x0000000002E32000-memory.dmp

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memory/2560-4-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/2560-3-0x00000000053A0000-0x00000000053A8000-memory.dmp

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memory/3796-12-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/3796-23-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/3796-17-0x00000000057B0000-0x00000000057C2000-memory.dmp

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memory/3796-33-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/3796-13-0x00000000056B0000-0x00000000056C2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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