remcos | a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 11:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe
Size

611KB
MD5

6d898971d1bc7c0be4b9ccbcae1fbecd
SHA1

0bcbe116656b53c19105a44096b1be7d7bf571b7
SHA256

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7
SHA512

e8d1100fed3a798047d1cf9608517cd63a46f886e5ea69eca1647e7d4f686725790f6dc76e2916ee4fa9c7f61ade34bed3e0214033da72398235d96a3a491126
SSDEEP

12288:yhbWg8e6q4uakBkfsa/xduJMT2N49O4YxCkWfspxV:YWg8e6qtakBkkMxduyUuOZgTC

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

162.251.122.76:7119

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-P2SX34
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
Remcos family
remcos
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

description pid process target process

PID 2140 created 3392 2140 a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe Explorer.EXE

description	pid	process	target process
PID 2140 created 3392	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	Explorer.EXE

Drops startup file 1 IoCs

Processes:

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NextChannelSink.vbs	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

description	pid	process	target process
PID 2140 set thread context of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exeInstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

pid process

2140 a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

pid	process
2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

description	pid	process
Token: SeDebugPrivilege	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe
Token: SeDebugPrivilege	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe

description	pid	process	target process
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe
PID 2140 wrote to memory of 2476	2140	a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3392
- C:\Users\Admin\AppData\Local\Temp\a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe
  "C:\Users\Admin\AppData\Local\Temp\a95bec80cc96c9d620dd190943199a6136d33e7622fab2b6180a3cb01b3ecdb7.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2140
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2140-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2140-1-0x0000000000DC0000-0x0000000000E5E000-memory.dmp

Filesize
632KB

Download
memory/2140-2-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-3-0x0000000006C00000-0x0000000006D24000-memory.dmp

Filesize
1.1MB

Download
memory/2140-15-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-23-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-51-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-67-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-65-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-63-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-61-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-59-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-57-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-55-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-53-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-49-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-47-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-45-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-43-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-41-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-39-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-37-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-35-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-31-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-29-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-27-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-26-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-21-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-19-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-17-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-13-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-11-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-9-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-7-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-5-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-33-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-4-0x0000000006C00000-0x0000000006D1E000-memory.dmp

Filesize
1.1MB

Download
memory/2140-1078-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2140-1079-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-1080-0x0000000006E20000-0x0000000006EB6000-memory.dmp

Filesize
600KB

Download
memory/2140-1081-0x0000000006D40000-0x0000000006D8C000-memory.dmp

Filesize
304KB

Download
memory/2140-1085-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-1086-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-1088-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-1087-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-1089-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-1090-0x00000000078E0000-0x0000000007E84000-memory.dmp

Filesize
5.6MB

Download
memory/2140-1091-0x0000000006880000-0x00000000068D4000-memory.dmp

Filesize
336KB

Download
memory/2140-1100-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2476-1099-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2476-1106-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download