remcos | d2ddf328f9bc2570c63dd0e9577dc0a92cdee8e7bbbe9bf90a8fb59d37b368bd

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 23:49

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General

Target

2096f56d969032aed11743289a2d2b68.exe
Size

448KB
MD5

2096f56d969032aed11743289a2d2b68
SHA1

1c0571a242dc3dec5e561976eff61636cff8ec4d
SHA256

d2ddf328f9bc2570c63dd0e9577dc0a92cdee8e7bbbe9bf90a8fb59d37b368bd
SHA512

01cd285fe85c32a116186c83343bab2c9124b6d22719b24ed66c3734571ee557b9ed6233ab17de4970d9168af094f8c705cdc1cb28ad1e460e7c3450379d83f9
SSDEEP

6144:vncnC4kfdUyRxVnAO77L978NjNHWT1UzHHeTIfy4B60S:V4aZ7AOjMjN2T1UzH+UK4B6

Score

10^/10

remcos zgrat spamming persistence rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

SPAMMING

tobi12345.hopto.org:50501

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
win32.exe
copy_folder
win32
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
install_path
%Temp%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
remcos_rbhptjsewo
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/3764-8-0x0000000006DC0000-0x0000000006E32000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-30-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-54-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-72-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-70-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-68-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-66-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-64-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-62-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-60-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-58-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-56-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-52-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-50-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-48-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-46-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-44-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-42-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-40-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-38-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-36-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-34-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-32-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-28-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-26-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-24-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-22-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-20-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-18-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-16-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-14-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-12-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-10-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3764-9-0x0000000006DC0000-0x0000000006E2C000-memory.dmp	family_zgrat_v1

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2096f56d969032aed11743289a2d2b68.exe

Executes dropped EXE 2 IoCs

pid	Process
3096	win32.exe
4544	win32.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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\win32\\win32.exe\""	2096f56d969032aed11743289a2d2b68.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3764 set thread context of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3096 set thread context of 4544	3096	win32.exe	109

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4968	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3764	2096f56d969032aed11743289a2d2b68.exe
3764	2096f56d969032aed11743289a2d2b68.exe
3096	win32.exe
3096	win32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3764	2096f56d969032aed11743289a2d2b68.exe
Token: SeDebugPrivilege	3096	win32.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3764 wrote to memory of 3636	3764	2096f56d969032aed11743289a2d2b68.exe	100
PID 3636 wrote to memory of 688	3636	2096f56d969032aed11743289a2d2b68.exe	103
PID 3636 wrote to memory of 688	3636	2096f56d969032aed11743289a2d2b68.exe	103
PID 3636 wrote to memory of 688	3636	2096f56d969032aed11743289a2d2b68.exe	103
PID 688 wrote to memory of 4968	688	cmd.exe	101
PID 688 wrote to memory of 4968	688	cmd.exe	101
PID 688 wrote to memory of 4968	688	cmd.exe	101
PID 688 wrote to memory of 3096	688	cmd.exe	104
PID 688 wrote to memory of 3096	688	cmd.exe	104
PID 688 wrote to memory of 3096	688	cmd.exe	104
PID 3096 wrote to memory of 4544	3096	win32.exe	109
PID 3096 wrote to memory of 4544	3096	win32.exe	109
PID 3096 wrote to memory of 4544	3096	win32.exe	109
PID 3096 wrote to memory of 4544	3096	win32.exe	109
PID 3096 wrote to memory of 4544	3096	win32.exe	109
PID 3096 wrote to memory of 4544	3096	win32.exe	109
PID 3096 wrote to memory of 4544	3096	win32.exe	109
PID 3096 wrote to memory of 4544	3096	win32.exe	109
PID 3096 wrote to memory of 4544	3096	win32.exe	109

C:\Users\Admin\AppData\Local\Temp\2096f56d969032aed11743289a2d2b68.exe
"C:\Users\Admin\AppData\Local\Temp\2096f56d969032aed11743289a2d2b68.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Users\Admin\AppData\Local\Temp\2096f56d969032aed11743289a2d2b68.exe
  C:\Users\Admin\AppData\Local\Temp\2096f56d969032aed11743289a2d2b68.exe
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:688
  - - C:\Users\Admin\AppData\Local\Temp\win32\win32.exe
      "C:\Users\Admin\AppData\Local\Temp\win32\win32.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3096
    - - C:\Users\Admin\AppData\Local\Temp\win32.exe
        
        C:\Users\Admin\AppData\Local\Temp\win32.exe
        5⤵
        Executes dropped EXE
        
        PID:4544

C:\Windows\SysWOW64\PING.EXE
PING 127.0.0.1 -n 2
1⤵
- Runs ping.exe
PID:4968

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

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3096-2258-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/3096-2257-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/3096-2259-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/3096-4493-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/3096-4504-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/3096-3051-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/3636-2247-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3636-2252-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3764-50-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-44-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-5-0x0000000005710000-0x000000000571A000-memory.dmp

Filesize
40KB

Download
memory/3764-6-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/3764-7-0x0000000005D00000-0x0000000005D4A000-memory.dmp

Filesize
296KB

Download
memory/3764-8-0x0000000006DC0000-0x0000000006E32000-memory.dmp

Filesize
456KB

Download
memory/3764-30-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-54-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-72-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-70-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-68-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-66-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-64-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-62-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-60-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-58-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-56-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-52-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-3-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/3764-48-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-46-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-4-0x0000000005970000-0x0000000005980000-memory.dmp

Filesize
64KB

Download
memory/3764-42-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-40-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-38-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-36-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-34-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-32-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-28-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-26-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-24-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-22-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-20-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-18-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-16-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-14-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-12-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/3764-1-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/3764-0-0x0000000000CA0000-0x0000000000D16000-memory.dmp

Filesize
472KB

Download
memory/3764-10-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-9-0x0000000006DC0000-0x0000000006E2C000-memory.dmp

Filesize
432KB

Download
memory/3764-2241-0x0000000005970000-0x0000000005980000-memory.dmp

Filesize
64KB

Download
memory/3764-2246-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download