remcos | eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe

General

Target

eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
Size

1.4MB
MD5

0aab0aa6b18cc7b75cac96ee3703f49b
SHA1

2a156d69283e7e06cf4f8ca055cf59edbb71a71c
SHA256

eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe
SHA512

b885189333556394a34c11a9413950da324edbba342c5bc55c2d879df04c0ef44766da227af16e819ebc1645f41072df35baad918c8e8c0e0f0827d119a0f79d
SSDEEP

24576:ID39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJ3:IF+QrFUBgq25eKl

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
1896	sbietrcl.exe
2656	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1896 set thread context of 2656	1896	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	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.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
2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
1896	sbietrcl.exe
1896	sbietrcl.exe
1896	sbietrcl.exe
1896	sbietrcl.exe
1896	sbietrcl.exe
1896	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
Token: SeDebugPrivilege	1896	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2656	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1896	2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe	31
PID 2440 wrote to memory of 1896	2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe	31
PID 2440 wrote to memory of 1896	2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe	31
PID 2440 wrote to memory of 1896	2440	eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe	31
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32
PID 1896 wrote to memory of 2656	1896	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.exe
"C:\Users\Admin\AppData\Local\Temp\eeb926f2febcc2bb70d39869f6cf89ec3ffa8c3bc8839a405d5cf116a3500cfe.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:2440
- 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:1896
- - 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:2656

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\CabD7A9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.4MB

MD5
d648a3f000c0ace13bc3d2b0d1b66c4a

SHA1
7cb88d01df94ddc5fe160dfe1e57e82979507223

SHA256
802370b67e471dd2f123298f21e27f5540e3d76e75789872c639b1bfcd92d2a6

SHA512
943e6989fd30e7d704eb2de6dc7ae8a9a9e81b889a35e2f76c2ce80650f4b1d96bab7d7072c440d5690af4097366188ed017629d8e8c1840a3647738099f300a

Download Submit
memory/1896-29-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/1896-37-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/1896-53-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2440-0-0x0000000073E01000-0x0000000073E02000-memory.dmp

Filesize
4KB

Download
memory/2440-1-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2440-9-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2440-10-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2440-28-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2656-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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