remcos | 1cbb5545584352a663a85cab6ec8088f8ce523a9ad6f70c070c7a3258c2db458

General

Target

UPS_CBIJ90511770131.exe
Size

962KB
MD5

89844adca9d975b9933cea1a576ada58
SHA1

c08481b4cf49fcf2979b2c72213d31c064a760e3
SHA256

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da
SHA512

6c0b8a2d0298f02994fabd39dc2a1da491e7b84bdea55b59863c595db9aeb77b2190b6ce8091c2acb0d7c3078b858b390876a45f281072cc730dfd0a5b095b25
SSDEEP

24576:+CfpCdeGe8+2+NE2HqIvU0BsnpCY3QeEz+9vmvGQJM:bFnepIsGskY3a+Zoe

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yayabeloo.duckdns.org:6847

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-VPA6N9
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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 SetThreadContext 1 IoCs

Processes:

UPS_CBIJ90511770131.exe

description	pid	Process	procid_target
PID 1916 set thread context of 1300	1916	UPS_CBIJ90511770131.exe	93

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:

UPS_CBIJ90511770131.exeUPS_CBIJ90511770131.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UPS_CBIJ90511770131.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UPS_CBIJ90511770131.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

UPS_CBIJ90511770131.exe

pid	Process
1916	UPS_CBIJ90511770131.exe
1916	UPS_CBIJ90511770131.exe
1916	UPS_CBIJ90511770131.exe
1916	UPS_CBIJ90511770131.exe
1916	UPS_CBIJ90511770131.exe
1916	UPS_CBIJ90511770131.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

UPS_CBIJ90511770131.exe

description	pid	Process
Token: SeDebugPrivilege	1916	UPS_CBIJ90511770131.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

UPS_CBIJ90511770131.exe

pid	Process
1300	UPS_CBIJ90511770131.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

UPS_CBIJ90511770131.exe

description	pid	Process	procid_target
PID 1916 wrote to memory of 1052	1916	UPS_CBIJ90511770131.exe	90
PID 1916 wrote to memory of 1052	1916	UPS_CBIJ90511770131.exe	90
PID 1916 wrote to memory of 1052	1916	UPS_CBIJ90511770131.exe	90
PID 1916 wrote to memory of 4892	1916	UPS_CBIJ90511770131.exe	91
PID 1916 wrote to memory of 4892	1916	UPS_CBIJ90511770131.exe	91
PID 1916 wrote to memory of 4892	1916	UPS_CBIJ90511770131.exe	91
PID 1916 wrote to memory of 4992	1916	UPS_CBIJ90511770131.exe	92
PID 1916 wrote to memory of 4992	1916	UPS_CBIJ90511770131.exe	92
PID 1916 wrote to memory of 4992	1916	UPS_CBIJ90511770131.exe	92
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93
PID 1916 wrote to memory of 1300	1916	UPS_CBIJ90511770131.exe	93

C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
"C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
  "C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
  2⤵
  PID:1052
- C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
  "C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
  2⤵
  PID:4892
- C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
  "C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
  2⤵
  PID:4992
- C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
  "C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
8693f8691edc8ea4d45396f8c59e12c5

SHA1
25c20a4cf433f2ec7ca57fd5822630569bfea92d

SHA256
0dafb97869b9f1e810e991d15c4221ab65dcb9317dd476e25dc6de2a2d34a2e1

SHA512
a2978e844e5bd3680f6e076be4cd17d28acc35e2168713611723e2c3c6777624cfc0245cd11f622a418663456d0efba1e415ce376f1ce862d07905de48ae189c

Download Submit
memory/1300-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1300-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1916-8-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/1916-20-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/1916-10-0x0000000007D70000-0x0000000007E32000-memory.dmp

Filesize
776KB

Download
memory/1916-9-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/1916-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/1916-7-0x00000000056F0000-0x000000000570C000-memory.dmp

Filesize
112KB

Download
memory/1916-6-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/1916-5-0x0000000005220000-0x000000000522A000-memory.dmp

Filesize
40KB

Download
memory/1916-4-0x00000000052D0000-0x000000000536C000-memory.dmp

Filesize
624KB

Download
memory/1916-3-0x0000000005230000-0x00000000052C2000-memory.dmp

Filesize
584KB

Download
memory/1916-2-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/1916-1-0x0000000000760000-0x0000000000856000-memory.dmp

Filesize
984KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads