remcos | 2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb

General

Target

2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
Size

1.9MB
MD5

763f1e6fe1bff405f9e6c832dc958c91
SHA1

3ca2538ae35c2c17c2b1097faf2b5e1e5128279f
SHA256

2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb
SHA512

8146245c3953600b1875675ff7c1164201c03ac0189eb152c2cd8bc9664fa08798fec1f5a8ea42448cf1db3d0631449c1b3c3396f7267a2b10e9748efed5bed5
SSDEEP

24576:QD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6d:QF+QrFUBgq25eKu6d

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

Executes dropped EXE 2 IoCs

pid	Process
2840	sbietrcl.exe
2784	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 2784	2840	sbietrcl.exe	32

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 3 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	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.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 12 IoCs

pid	Process
2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
2840	sbietrcl.exe
2840	sbietrcl.exe
2840	sbietrcl.exe
2840	sbietrcl.exe
2840	sbietrcl.exe
2840	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
Token: SeDebugPrivilege	2840	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2784	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2840	2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe	30
PID 2336 wrote to memory of 2840	2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe	30
PID 2336 wrote to memory of 2840	2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe	30
PID 2336 wrote to memory of 2840	2336	2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe	30
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32
PID 2840 wrote to memory of 2784	2840	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe
"C:\Users\Admin\AppData\Local\Temp\2592367f9cc1b37d0735e475bbb52cb61c69c0674c908b9c1d12635163cb4ffb.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336
- 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:2840
- - 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:2784

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

System Information Discovery

1

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\Temp\CabC977.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.9MB

MD5
889419d8ef8bec2200128c8302859b1c

SHA1
7415624346f767bb5dfb2a6c9ac5b146ca93ea5f

SHA256
b20bef77ee5f685a311aaa3ba11a5ebf156c0a6478fc3317d03d8ca4cc404083

SHA512
77c8dc6d99b9546886283cf1a9e51a7fabd294cf115130447f5121dd902e28b4cfbfd0d5b017a9f3e347f42538ba44f9bcd1a7937a4f388a2f402da82262b3d8

Download Submit
memory/2336-28-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2336-10-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2336-9-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2336-0-0x0000000074511000-0x0000000074512000-memory.dmp

Filesize
4KB

Download
memory/2336-1-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2784-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2840-29-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-39-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-38-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-30-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-60-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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