remcos | efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00

General

Target

efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
Size

6KB
MD5

c946bedf8bd30e2319942716a6b79159
SHA1

60a92910da2f4383a1bf91a74dae729b9fcfe635
SHA256

efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00
SHA512

34433ebd5a7064e524dee99b23312adf1da6661831226cf4b34d0e95f16b1daf5855220cbb2cfc6ba7288fb1f523fb971a2804ec21adb8f144fd1cf3e513b8a9
SSDEEP

96:yDy6k5lvIwXsE6nAEHpf9R0FFM6NMR1VtQd/gSnFnU:cUlQwXsE6nNJf9cMIthi

Score

10^/10

remcos rex persistence rat

Malware Config

Extracted

Family

remcos

Botnet

rex

C2

45.155.165.160:40567

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-2UAJG6
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fyscr = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ebjlt\\Fyscr.exe\""	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe

description	pid	process	target process
PID 1380 set thread context of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeefe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe

pid	process
864	powershell.exe
1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
Token: SeDebugPrivilege	864	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe

C:\Users\Admin\AppData\Local\Temp\efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
"C:\Users\Admin\AppData\Local\Temp\efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAOQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864

C:\Users\Admin\AppData\Local\Temp\efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
C:\Users\Admin\AppData\Local\Temp\efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
2⤵
PID:1544

C:\Users\Admin\AppData\Local\Temp\efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
C:\Users\Admin\AppData\Local\Temp\efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
2⤵
PID:1516

C:\Users\Admin\AppData\Local\Temp\efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
C:\Users\Admin\AppData\Local\Temp\efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
2⤵
PID:964

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/864-58-0x0000000000000000-mapping.dmp

Download
memory/864-62-0x000000006EDD0000-0x000000006F37B000-memory.dmp

Filesize
5.7MB

Download
memory/864-61-0x000000006EDD0000-0x000000006F37B000-memory.dmp

Filesize
5.7MB

Download
memory/864-60-0x000000006EDD0000-0x000000006F37B000-memory.dmp

Filesize
5.7MB

Download
memory/964-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-76-0x00000000004327A4-mapping.dmp

Download
memory/964-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/964-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1380-57-0x00000000059A0000-0x0000000005A32000-memory.dmp

Filesize
584KB

Download
memory/1380-54-0x00000000002F0000-0x00000000002F8000-memory.dmp

Filesize
32KB

Download
memory/1380-55-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1380-56-0x0000000001E40000-0x0000000001F20000-memory.dmp

Filesize
896KB

Download

description	pid	process	target process
PID 1380 wrote to memory of 864	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	powershell.exe
PID 1380 wrote to memory of 864	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	powershell.exe
PID 1380 wrote to memory of 864	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	powershell.exe
PID 1380 wrote to memory of 864	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	powershell.exe
PID 1380 wrote to memory of 1544	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 1544	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 1544	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 1544	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 1516	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 1516	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 1516	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 1516	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe
PID 1380 wrote to memory of 964	1380	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe	efe1923efe3cf799fc1af72d9ca5a13cb9acabbd8015eac6870ae6d1b2bc6f00.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads