remcos | 89be31d7396e456350106ec7218adec388e701d682480c9ede5b5fa3fa985e9c

General

Target

145fb2e85a50469d202cbcdcd8fcd0d0N.exe
Size

2.1MB
MD5

145fb2e85a50469d202cbcdcd8fcd0d0
SHA1

d5d63b7bc9368f964b87e513a5ca7d5c9bbce0f7
SHA256

89be31d7396e456350106ec7218adec388e701d682480c9ede5b5fa3fa985e9c
SHA512

7d3bc0cb51ecc9ccb4d62679bdf7095ebd1233174e63ddfd664f507efb0a554d3a1fc2b8c3d1e8b6ba693811ebbd0b86821d0f77465825686bd30cec468f2795
SSDEEP

24576:xD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4+cZN:xp7E+QrFUBgq29n

Score

10^/10

remcos host credential_access 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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Executes dropped EXE 2 IoCs

pid	Process
2612	sbietrcl.exe
3024	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe

Reads user/profile data of web browsers 2 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

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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	145fb2e85a50469d202cbcdcd8fcd0d0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2612 set thread context of 3024	2612	sbietrcl.exe	31

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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	145fb2e85a50469d202cbcdcd8fcd0d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe
2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe
2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe
2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe
2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe
2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe
2612	sbietrcl.exe
2612	sbietrcl.exe
2612	sbietrcl.exe
2612	sbietrcl.exe
2612	sbietrcl.exe
2612	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe
Token: SeDebugPrivilege	2612	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3024	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2612	2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe	30
PID 2244 wrote to memory of 2612	2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe	30
PID 2244 wrote to memory of 2612	2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe	30
PID 2244 wrote to memory of 2612	2244	145fb2e85a50469d202cbcdcd8fcd0d0N.exe	30
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31
PID 2612 wrote to memory of 3024	2612	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\145fb2e85a50469d202cbcdcd8fcd0d0N.exe
"C:\Users\Admin\AppData\Local\Temp\145fb2e85a50469d202cbcdcd8fcd0d0N.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:2244
- 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:2612
- - 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:3024

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
304B

MD5
9605b752c4d68cbce1359cecd4039588

SHA1
54491cdef6b8bae36198f8bdf0f90ce825edc646

SHA256
d07bad1229c2f22ad06e450c22ea940f3c04c79e09c530a7d29e49dd127c0275

SHA512
6867324ba053e897a606bb1f66ec877e7486ba1ded68b12e2fe2d279fe84e2df307596cd4940a6d90b41036157acdfb2ad4aa0b8cb28e62c747aead7d4126568

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9953.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
2.1MB

MD5
65e73061dcb41bd8b7dee591718246fb

SHA1
bdb847d2c945246c24821392731b09980de1a058

SHA256
f1d07a7b0a5a9a931d2673b94a808de05141405d4bea60bc73e6bbc5f49cdbf2

SHA512
c00d5e8fcf858e73b5aeb1258470ec23b1db80e4597ce92798f1d9a8e6ae0761a6a83d4d5cc209c7c51296122592a5e906b02b0fbb268589128dcb653a4d24a4

Download Submit
memory/2244-1-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-11-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-12-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-30-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-0-0x0000000074991000-0x0000000074992000-memory.dmp

Filesize
4KB

Download
memory/2612-31-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-32-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-41-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-42-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-53-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3024-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads