remcos | debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99

General

Target

debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
Size

1.1MB
MD5

c998e3a86713accbfb925c5e57b3df50
SHA1

c378fe324c825a97c80a252512f546bac9ed56a5
SHA256

debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99
SHA512

e8e91874628c51f2ef0d28e464290b3dd2de07ee0fc9c92b9b084f5378cd6eeffe960f6fc1ebc27f5f13e9931845d8c447769f5a65d31926aa9ec48d831d4c1c
SSDEEP

12288:Vp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3Aks1:VpugRNJI1D39dlfGQrFUxwAeAks1

Score

10^/10

remcos host discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
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

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe

Executes dropped EXE 4 IoCs

pid	Process
4972	sbietrcl.exe
5060	sbietrcl.exe
5564	sbietrcl.exe
5648	sbietrcl.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4972 set thread context of 5564	4972	sbietrcl.exe	101
PID 5060 set thread context of 5648	5060	sbietrcl.exe	102

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
4972	sbietrcl.exe
5060	sbietrcl.exe
5060	sbietrcl.exe
5060	sbietrcl.exe
5060	sbietrcl.exe
5060	sbietrcl.exe
5060	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
Token: SeDebugPrivilege	4972	sbietrcl.exe
Token: SeDebugPrivilege	5060	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5564	sbietrcl.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4972	4992	cmd.exe	97
PID 4992 wrote to memory of 4972	4992	cmd.exe	97
PID 4992 wrote to memory of 4972	4992	cmd.exe	97
PID 1620 wrote to memory of 5060	1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe	98
PID 1620 wrote to memory of 5060	1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe	98
PID 1620 wrote to memory of 5060	1620	debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe	98
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 4972 wrote to memory of 5564	4972	sbietrcl.exe	101
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102
PID 5060 wrote to memory of 5648	5060	sbietrcl.exe	102

C:\Users\Admin\AppData\Local\Temp\debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe
"C:\Users\Admin\AppData\Local\Temp\debe72116b9c78adf0bedd9ccdf4251146a51d090312d88286d5de81ea48ae99.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    PID:5648

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4972
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:5564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\sbietrcl.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
1.1MB

MD5
d3ee43a662cd30df6b390169354963ee

SHA1
9c4adef69dfcf6f7114d7d1079a6827bec4430a6

SHA256
a7f66719614dab0edd73108010d5b9783f2a0b80e8322cf752c49434a2ae9136

SHA512
8589537f4d09559df0c81b4f7f1b8b8717be57ab6007e9548033cf68ea9bb7ffed17df682541a78643d1d39a8ad1d076fdd0ce2f8f82879a3311cf27af7107a0

Download Submit
memory/1620-26-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/1620-5-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/1620-18-0x0000000074E42000-0x0000000074E43000-memory.dmp

Filesize
4KB

Download
memory/1620-19-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/1620-2-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/1620-0-0x0000000074E42000-0x0000000074E43000-memory.dmp

Filesize
4KB

Download
memory/1620-6-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/1620-1-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/4972-38-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/4972-23-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/4972-24-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/5060-28-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/5060-27-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/5060-43-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/5564-31-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5564-35-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5564-32-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5564-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5564-29-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads