remcos | ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60

General

Target

ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
Size

1.5MB
MD5

0b1fe6002fc4c37597c3da97607f2940
SHA1

8783008bda630fc748c71069d2a9a827d05e47b2
SHA256

ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60
SHA512

4a8ae65041e42020ed0297ce26b0180ad79f641b14a09e2080278e758b88ec4ff3d942f5d7da418a80c0a52bab2ae346da9d6cca2de24f458c1d9f437c73e016
SSDEEP

24576:ID39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJB8:IF+QrFUBgq25eKb8

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
1744	sbietrcl.exe
1376	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 1376	1744	sbietrcl.exe	29

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	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
1744	sbietrcl.exe
1744	sbietrcl.exe
1744	sbietrcl.exe
1744	sbietrcl.exe
1744	sbietrcl.exe
1744	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
Token: SeDebugPrivilege	1744	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1376	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 1744	2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe	28
PID 2184 wrote to memory of 1744	2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe	28
PID 2184 wrote to memory of 1744	2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe	28
PID 2184 wrote to memory of 1744	2184	ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe	28
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29
PID 1744 wrote to memory of 1376	1744	sbietrcl.exe	29

C:\Users\Admin\AppData\Local\Temp\ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.exe
"C:\Users\Admin\AppData\Local\Temp\ee126498c4b807cf5c2ec8fd1d034d0ed2daf4226cad9d1507ae21f6e336ca60N.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:2184
- 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:1744
- - 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:1376

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
8bf07f38aaa5aa56b2298f77a61eed3f

SHA1
c68372864ad72c57a04711a674e878603b6b7121

SHA256
8305d557d9d08a87fed597756c69426b8be541c3bf9ba070011382cb82782d00

SHA512
cf7c383b771a2b771cfc7c5fa66efa1a8943c63f9fc6be3009b8a84429ff101e0c43dea6ca543735d051c56fd8d6752ff4ee0d9996cf2cd927544326454b4768

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab7EE0.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.5MB

MD5
b89ebd767f1341e94ebddfb8056af34f

SHA1
4edeb1c0e36d721d4514a1073c3ee819514744df

SHA256
e7dd9cbd9cb121a7549c0d5e08505b5f6bac3631985906a0ecafba725616354a

SHA512
b63427538c38527f9d0ef7d635663294dfc7249153225be5c9ddb8c10127f2662ae144d261c18a4a0350f05c49cd4d2c2b1c9027c1572d13d0bc65c88f881301

Download Submit
memory/1376-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-67-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-70-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-53-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1376-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1376-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1744-45-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1744-46-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1744-65-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1744-44-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1744-43-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1744-42-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-31-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-30-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-0-0x0000000074301000-0x0000000074302000-memory.dmp

Filesize
4KB

Download
memory/2184-25-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-13-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-12-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-2-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-1-0x0000000074300000-0x00000000748AB000-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