remcos | 4583b002fce0501faad20dd27af109b8a57288004190c501b20ad1e645dd8610

General

Target

Payments copy.exe
Size

1.1MB
MD5

515304eb9aef3694b0960c9037740017
SHA1

acf2f7ab8ebc60957028b7799c5329639ed7aa8d
SHA256

4583b002fce0501faad20dd27af109b8a57288004190c501b20ad1e645dd8610
SHA512

50ba8b5578770be0cad1099bbd44b62dc62c2987f368db65a929e8d7f4fde19c4e0bbf30e815f60f4bf190c5ac0f62d77544cfe15bb3055e36458f9405ac0b6b
SSDEEP

24576:qi3uqj3R7WQ7G++bjPAhXk/QDw8HkF3dg:l+KRWQobjukMEF

Score

10^/10

remcos remotehost reff rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost Reff

C2

185.136.161.189:1960

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-IPL25E
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	Payments copy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 1520	2500	Payments copy.exe	97

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2500	Payments copy.exe
2500	Payments copy.exe
5116	powershell.exe
5116	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	Payments copy.exe
Token: SeDebugPrivilege	5116	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1520	Payments copy.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 5116	2500	Payments copy.exe	93
PID 2500 wrote to memory of 5116	2500	Payments copy.exe	93
PID 2500 wrote to memory of 5116	2500	Payments copy.exe	93
PID 2500 wrote to memory of 3460	2500	Payments copy.exe	95
PID 2500 wrote to memory of 3460	2500	Payments copy.exe	95
PID 2500 wrote to memory of 3460	2500	Payments copy.exe	95
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97
PID 2500 wrote to memory of 1520	2500	Payments copy.exe	97

C:\Users\Admin\AppData\Local\Temp\Payments copy.exe
"C:\Users\Admin\AppData\Local\Temp\Payments copy.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UcfJDBBf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5116
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UcfJDBBf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp273F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3460
- C:\Users\Admin\AppData\Local\Temp\Payments copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Payments copy.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp273F.tmp

Filesize
1KB

MD5
69ea152d2bc7b0d61134f28c0ccaf9fc

SHA1
c6871b7c65c30a82562af3a67dff893d35b8aaf8

SHA256
db8ebdaed58fc291223e3d8d14752a0db34d95944fff1adf452ec28ca0b4213f

SHA512
c343906725b2c4b20cf29c16d92d4b5b90b35224825e8b33378c16ab56d720f32f106ac7d81b97b650f383c22ca41b2ac8b1b448719ece00503e399e3a528db7

Download Submit
memory/1520-149-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1520-144-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1520-143-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1520-145-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1520-161-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2500-132-0x0000000000460000-0x000000000057E000-memory.dmp

Filesize
1.1MB

Download
memory/2500-136-0x0000000007A90000-0x0000000007B2C000-memory.dmp

Filesize
624KB

Download
memory/2500-135-0x0000000002AC0000-0x0000000002ACA000-memory.dmp

Filesize
40KB

Download
memory/2500-134-0x0000000004F20000-0x0000000004FB2000-memory.dmp

Filesize
584KB

Download
memory/2500-133-0x00000000056D0000-0x0000000005C74000-memory.dmp

Filesize
5.6MB

Download
memory/5116-146-0x00000000056F0000-0x0000000005712000-memory.dmp

Filesize
136KB

Download
memory/5116-154-0x00000000077C0000-0x0000000007E3A000-memory.dmp

Filesize
6.5MB

Download
memory/5116-147-0x0000000005790000-0x00000000057F6000-memory.dmp

Filesize
408KB

Download
memory/5116-148-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/5116-139-0x0000000002560000-0x0000000002596000-memory.dmp

Filesize
216KB

Download
memory/5116-150-0x0000000005E70000-0x0000000005E8E000-memory.dmp

Filesize
120KB

Download
memory/5116-151-0x0000000006440000-0x0000000006472000-memory.dmp

Filesize
200KB

Download
memory/5116-152-0x0000000070520000-0x000000007056C000-memory.dmp

Filesize
304KB

Download
memory/5116-153-0x0000000006420000-0x000000000643E000-memory.dmp

Filesize
120KB

Download
memory/5116-141-0x0000000005090000-0x00000000056B8000-memory.dmp

Filesize
6.2MB

Download
memory/5116-155-0x0000000007180000-0x000000000719A000-memory.dmp

Filesize
104KB

Download
memory/5116-156-0x00000000071F0000-0x00000000071FA000-memory.dmp

Filesize
40KB

Download
memory/5116-157-0x0000000007400000-0x0000000007496000-memory.dmp

Filesize
600KB

Download
memory/5116-158-0x00000000073B0000-0x00000000073BE000-memory.dmp

Filesize
56KB

Download
memory/5116-159-0x00000000074C0000-0x00000000074DA000-memory.dmp

Filesize
104KB

Download
memory/5116-160-0x00000000074A0000-0x00000000074A8000-memory.dmp

Filesize
32KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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