remcos | ac5abc05b099d2595130f4b9a8ab44332ae5dd3e80113bb36ae1a3c6bd257292

General

Target

022799b64121c1bbc623d1d222a2e860N.exe
Size

1.8MB
MD5

022799b64121c1bbc623d1d222a2e860
SHA1

84f00c16adab385861f6bb32fe573ee2cb3f4c9e
SHA256

ac5abc05b099d2595130f4b9a8ab44332ae5dd3e80113bb36ae1a3c6bd257292
SHA512

e270d078622526925d6319667ff8c3ed8c0eb6c66aef0e843f3a2250f9c728a11a865aa73a859c0e5b40d9d7874a07250cb8aab9b98f178a5e7ee56be7742f81
SSDEEP

24576:BD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/jNSQnwLUl:Bp7E+QrFUBgq2WZ

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
2972	sbietrcl.exe
1976	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
3000	022799b64121c1bbc623d1d222a2e860N.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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	022799b64121c1bbc623d1d222a2e860N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 1976	2972	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	022799b64121c1bbc623d1d222a2e860N.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
3000	022799b64121c1bbc623d1d222a2e860N.exe
3000	022799b64121c1bbc623d1d222a2e860N.exe
3000	022799b64121c1bbc623d1d222a2e860N.exe
3000	022799b64121c1bbc623d1d222a2e860N.exe
3000	022799b64121c1bbc623d1d222a2e860N.exe
3000	022799b64121c1bbc623d1d222a2e860N.exe
2972	sbietrcl.exe
2972	sbietrcl.exe
2972	sbietrcl.exe
2972	sbietrcl.exe
2972	sbietrcl.exe
2972	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	022799b64121c1bbc623d1d222a2e860N.exe
Token: SeDebugPrivilege	2972	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1976	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2972	3000	022799b64121c1bbc623d1d222a2e860N.exe	30
PID 3000 wrote to memory of 2972	3000	022799b64121c1bbc623d1d222a2e860N.exe	30
PID 3000 wrote to memory of 2972	3000	022799b64121c1bbc623d1d222a2e860N.exe	30
PID 3000 wrote to memory of 2972	3000	022799b64121c1bbc623d1d222a2e860N.exe	30
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31
PID 2972 wrote to memory of 1976	2972	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\022799b64121c1bbc623d1d222a2e860N.exe
"C:\Users\Admin\AppData\Local\Temp\022799b64121c1bbc623d1d222a2e860N.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:3000
- 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:2972
- - 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:1976

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
8cad867c7f90604e490ff90dccdb14a5

SHA1
8248ffdf6427fbd894d3dea95cbe96656c08f5c3

SHA256
d35119dd103795b07e24682b2278d0f793cb9a9643fcb0421cd6911d6e9f87c4

SHA512
fc83c96fbc9dcbb777346273955a29136cd8501b33a13b6d282c0edf660dc0cd2728f3bcc51b91961785c6efe210328ad848e8b33935da14c7ebed7ee83c587a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9BC3.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.8MB

MD5
322aece3201032d330cb45467a76709f

SHA1
4da136fd4688d0b4ccbc4bcc1db488191eef294e

SHA256
5cb2e8133089ca0e907d50f34fa904fe59ea26e8d0f3ea21bb1a1718c4a7b2a3

SHA512
45f03230d312093ecfd37fcc713e9a02747d65a6b9524912bc14508ab87648f617221543943fc0f037ff77aa7ee9fddba42bd3c34251cf2339ca87473cea9e25

Download Submit
memory/1976-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1976-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1976-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2972-42-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2972-41-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2972-31-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2972-32-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2972-61-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-8-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-11-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-0-0x0000000074AD1000-0x0000000074AD2000-memory.dmp

Filesize
4KB

Download
memory/3000-12-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-30-0x0000000074AD0000-0x000000007507B000-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