remcos | cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310

General

Target

cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
Size

959KB
MD5

ec320d17514670ae8d4a19b226572d60
SHA1

5c3eadd977f46dcc4b3c7dbd3513b4f22970354d
SHA256

cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310
SHA512

383f07b53d26bb166e1f059159a632e60f8604e8765314663f606f0cb5e4b1893c82ed9dccdcfb1431cf034dc95c959fda354740408639c52306a8e4a28e6ed5
SSDEEP

12288:bfeDOa9r5j5XqkJD0QrOod7XxlW91RRep+rgRNyA55IxJ2DJn0p51:SD39dlfGQrFUspugRNJI2DJn0pf

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
1384	sbietrcl.exe
944	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1384 set thread context of 944	1384	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	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.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
1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
1384	sbietrcl.exe
1384	sbietrcl.exe
1384	sbietrcl.exe
1384	sbietrcl.exe
1384	sbietrcl.exe
1384	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
Token: SeDebugPrivilege	1384	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
944	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1384	1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe	30
PID 1064 wrote to memory of 1384	1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe	30
PID 1064 wrote to memory of 1384	1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe	30
PID 1064 wrote to memory of 1384	1064	cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe	30
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31
PID 1384 wrote to memory of 944	1384	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.exe
"C:\Users\Admin\AppData\Local\Temp\cbb302b30ee9eeaede1bca45603d3363e42d2d3302574467186eff6fd5349310N.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:1064
- 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:1384
- - 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:944

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
b43a6ababe51c695fdea0a052d47065d

SHA1
cabb18c1abc2e40181bbd83887b733e2befd6d67

SHA256
22d2630d6c2782dc3a3625270be0ff8c29d535cb1962b9089efb0a2ecfe6198d

SHA512
c5722623653bcba64958c0ce6464e080677cf31efd2d2fc97d1815fc3de627982bb9003d30f6728cb268ac19e04dcdd667a37312342f132915fd07b9ca66496c

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

Filesize
342B

MD5
c5cdb0a9369dbf07f21539339fb920d9

SHA1
66207f4c19ec719f3f732b42f84d1a00773f8759

SHA256
deef58f85c70fa00a677af8485822b83a3453a627d9c04d39672f7ca764845e9

SHA512
5f264d618019237e45950a6e3f830fd1b8ffa79ac675ee279d1aadeeda586c91af9f591d56f635252e9f09479c8dc1899166e646778e224984efa08da80ad8de

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab391C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar393E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
965KB

MD5
7afac19f471cab314c8acf0f4c4a2ed1

SHA1
e432a50a244b4efd6eb8d047b41690104967650e

SHA256
30e8bb46f5c2969bd52103517365f3a0e6242d3b0f710b188dcb734938594106

SHA512
5133466253e3bb05d6bab90cfed675a5e4893d2e2634a04b76bf82d827202ba07f1e04e2b4d2f8d0230a6e466d89ac1318d65c45b547cd07ca60796e5b7af53e

Download Submit
memory/944-198-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-206-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/944-215-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-214-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-211-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-210-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-196-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-204-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-202-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-200-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-207-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1064-183-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1064-1-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1064-0-0x0000000073E51000-0x0000000073E52000-memory.dmp

Filesize
4KB

Download
memory/1064-164-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1064-2-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1064-177-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1064-165-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1384-185-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1384-209-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads