remcos | be0c5e38edc7aba393016c5cdf21d7a93b2daf78395ced609104f7055fd5f162

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
12/09/2022, 18:58

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General

Target

SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe
Size

883KB
MD5

d693283a2b6c3a4b36f503b741cef17a
SHA1

d38ba08bce1821bf81d76c1e5b7b769c6681f159
SHA256

be0c5e38edc7aba393016c5cdf21d7a93b2daf78395ced609104f7055fd5f162
SHA512

0db444e29a7c574a91e140c06d84a66aa84d3884d4d593b5de8be50ee84acc8209831569aaa636b80a003ef240b2954a3929297445e08f30ca7ca3f995de30d6
SSDEEP

12288:NJ1bM9KvvqzRDYCIbw4IK2HBNxIJqRMj4V9N8kgJFT1scYq6y7qPg:etsENO2Mj4Gk4FTOq6y7qPg

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

bodhansanders.hopto.org:2490

[email protected]:2490

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-G7HDVY
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

Executes dropped EXE 2 IoCs

pid	Process
1056	taxrecords.exe
1880	taxrecords.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2032 set thread context of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 1056 set thread context of 812	1056	taxrecords.exe	39
PID 1880 set thread context of 2016	1880	taxrecords.exe	48

Creates scheduled task(s) 1 TTPs 3 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1316	schtasks.exe
2024	schtasks.exe
664	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe
Token: SeDebugPrivilege	1056	taxrecords.exe
Token: SeDebugPrivilege	1880	taxrecords.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1680	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 1680	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	27
PID 2032 wrote to memory of 2028	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	28
PID 2032 wrote to memory of 2028	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	28
PID 2032 wrote to memory of 2028	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	28
PID 2032 wrote to memory of 2028	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	28
PID 2032 wrote to memory of 1356	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	30
PID 2032 wrote to memory of 1356	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	30
PID 2032 wrote to memory of 1356	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	30
PID 2032 wrote to memory of 1356	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	30
PID 2032 wrote to memory of 112	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	32
PID 2032 wrote to memory of 112	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	32
PID 2032 wrote to memory of 112	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	32
PID 2032 wrote to memory of 112	2032	SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe	32
PID 1356 wrote to memory of 1316	1356	cmd.exe	34
PID 1356 wrote to memory of 1316	1356	cmd.exe	34
PID 1356 wrote to memory of 1316	1356	cmd.exe	34
PID 1356 wrote to memory of 1316	1356	cmd.exe	34
PID 1632 wrote to memory of 1056	1632	taskeng.exe	38
PID 1632 wrote to memory of 1056	1632	taskeng.exe	38
PID 1632 wrote to memory of 1056	1632	taskeng.exe	38
PID 1632 wrote to memory of 1056	1632	taskeng.exe	38
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 812	1056	taxrecords.exe	39
PID 1056 wrote to memory of 840	1056	taxrecords.exe	40
PID 1056 wrote to memory of 840	1056	taxrecords.exe	40
PID 1056 wrote to memory of 840	1056	taxrecords.exe	40
PID 1056 wrote to memory of 840	1056	taxrecords.exe	40
PID 1056 wrote to memory of 1184	1056	taxrecords.exe	41
PID 1056 wrote to memory of 1184	1056	taxrecords.exe	41
PID 1056 wrote to memory of 1184	1056	taxrecords.exe	41
PID 1056 wrote to memory of 1184	1056	taxrecords.exe	41
PID 1056 wrote to memory of 1640	1056	taxrecords.exe	44
PID 1056 wrote to memory of 1640	1056	taxrecords.exe	44
PID 1056 wrote to memory of 1640	1056	taxrecords.exe	44
PID 1056 wrote to memory of 1640	1056	taxrecords.exe	44

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1680
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\taxrecords"
  2⤵
  PID:2028
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1356
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:1316
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.22441.31968.10217.exe" "C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe"
  2⤵
  PID:112

C:\Windows\system32\taskeng.exe
taskeng.exe {9406DAC1-8804-4CE2-8E5D-AF028E38BF7B} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe
  C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:812
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\taxrecords"
    3⤵
    PID:840
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe'" /f
    3⤵
    PID:1184
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:2024
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe" "C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe"
    3⤵
    PID:1640
- C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe
  C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  PID:1880
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:2016
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\taxrecords"
    3⤵
    PID:1764
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe'" /f
    3⤵
    PID:1740
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:664
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe" "C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe"
    3⤵
    PID:1912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe

Filesize
883KB

MD5
d693283a2b6c3a4b36f503b741cef17a

SHA1
d38ba08bce1821bf81d76c1e5b7b769c6681f159

SHA256
be0c5e38edc7aba393016c5cdf21d7a93b2daf78395ced609104f7055fd5f162

SHA512
0db444e29a7c574a91e140c06d84a66aa84d3884d4d593b5de8be50ee84acc8209831569aaa636b80a003ef240b2954a3929297445e08f30ca7ca3f995de30d6

Download Submit
C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe

Filesize
883KB

MD5
d693283a2b6c3a4b36f503b741cef17a

SHA1
d38ba08bce1821bf81d76c1e5b7b769c6681f159

SHA256
be0c5e38edc7aba393016c5cdf21d7a93b2daf78395ced609104f7055fd5f162

SHA512
0db444e29a7c574a91e140c06d84a66aa84d3884d4d593b5de8be50ee84acc8209831569aaa636b80a003ef240b2954a3929297445e08f30ca7ca3f995de30d6

Download Submit
C:\Users\Admin\AppData\Roaming\taxrecords\taxrecords.exe

Filesize
883KB

MD5
d693283a2b6c3a4b36f503b741cef17a

SHA1
d38ba08bce1821bf81d76c1e5b7b769c6681f159

SHA256
be0c5e38edc7aba393016c5cdf21d7a93b2daf78395ced609104f7055fd5f162

SHA512
0db444e29a7c574a91e140c06d84a66aa84d3884d4d593b5de8be50ee84acc8209831569aaa636b80a003ef240b2954a3929297445e08f30ca7ca3f995de30d6

Download Submit
memory/1056-83-0x0000000000F50000-0x0000000001032000-memory.dmp

Filesize
904KB

Download
memory/1680-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1880-106-0x0000000000F50000-0x0000000001032000-memory.dmp

Filesize
904KB

Download
memory/2016-126-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2032-54-0x00000000000F0000-0x00000000001D2000-memory.dmp

Filesize
904KB

Download
memory/2032-55-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads