remcos | c84c8a5d9ea1dbf1b5af8d75cd100faadc54a5a83ab952e1ba03068d9287b32c

Analysis

max time kernel
151s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
29/09/2021, 07:37

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General

Target
???????? ?????????? DHL 09-29-21,pdf.exe
Size 802KB
Sample210929-jftesaecbl
SHA256 c84c8a5d9ea1dbf1b5af8d75cd100faadc54a5a83ab952e1ba03068d9287b32c
MD5 5daf107161b273bb31f0c69cbaf8c7d6
SHA1 b2741cf7481fa04afc457b078eb1ce0af074a0c6
SHA512 8275fa6d8d4117b7d3fe6acd161474cf23ffed7e591a2272a7a77689da711f983d019bd95a5613bd3e70d6ad9fa3e596d54f59ae2cf9de685ea3a02aa9aacec2
MD5 SHA1 SHA512

Score

10^/10

remcos able god persistence rat suricata

Malware Config

Extracted

Family

remcos

Version

3.1.5 Pro

Botnet

ABLE GOD

ongod4ever.ddns.net:5652

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-8VTGWT
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
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Szocjgw = "C:\\Users\\Public\\Libraries\\wgjcozS.url"	________ __________ DHL 09-29-21,pdf.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
2088	reg.exe
2180	reg.exe
3772	reg.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1220	800	________ __________ DHL 09-29-21,pdf.exe	68
PID 800 wrote to memory of 1424	800	________ __________ DHL 09-29-21,pdf.exe	69
PID 800 wrote to memory of 1424	800	________ __________ DHL 09-29-21,pdf.exe	69
PID 800 wrote to memory of 1424	800	________ __________ DHL 09-29-21,pdf.exe	69
PID 1424 wrote to memory of 1788	1424	cmd.exe	71
PID 1424 wrote to memory of 1788	1424	cmd.exe	71
PID 1424 wrote to memory of 1788	1424	cmd.exe	71
PID 1788 wrote to memory of 2088	1788	cmd.exe	73
PID 1788 wrote to memory of 2088	1788	cmd.exe	73
PID 1788 wrote to memory of 2088	1788	cmd.exe	73
PID 1788 wrote to memory of 2180	1788	cmd.exe	74
PID 1788 wrote to memory of 2180	1788	cmd.exe	74
PID 1788 wrote to memory of 2180	1788	cmd.exe	74
PID 1788 wrote to memory of 2464	1788	cmd.exe	75
PID 1788 wrote to memory of 2464	1788	cmd.exe	75
PID 1788 wrote to memory of 2464	1788	cmd.exe	75
PID 800 wrote to memory of 2648	800	________ __________ DHL 09-29-21,pdf.exe	76
PID 800 wrote to memory of 2648	800	________ __________ DHL 09-29-21,pdf.exe	76
PID 800 wrote to memory of 2648	800	________ __________ DHL 09-29-21,pdf.exe	76
PID 2648 wrote to memory of 3772	2648	cmd.exe	78
PID 2648 wrote to memory of 3772	2648	cmd.exe	78
PID 2648 wrote to memory of 3772	2648	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\________ __________ DHL 09-29-21,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\________ __________ DHL 09-29-21,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  PID:1220
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1788
  - - C:\Windows\SysWOW64\reg.exe
      reg delete hkcu\Environment /v windir /f
      4⤵
      Modifies registry key
      PID:2088
  - - C:\Windows\SysWOW64\reg.exe
      reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
      4⤵
      Modifies registry key
      PID:2180
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
      4⤵
      PID:2464
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\reg.exe
    reg delete hkcu\Environment /v windir /f
    3⤵
    - Modifies registry key
    PID:3772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/800-114-0x0000000002240000-0x0000000002241000-memory.dmp

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memory/1220-126-0x0000000073B00000-0x0000000073B7C000-memory.dmp

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memory/1220-128-0x0000000000400000-0x0000000000479000-memory.dmp

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memory/1220-127-0x0000000000A40000-0x0000000000A41000-memory.dmp

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memory/1220-125-0x0000000000B60000-0x0000000000B61000-memory.dmp

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memory/1220-124-0x0000000000B00000-0x0000000000B01000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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