remcos | e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c

General

Target

e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
Size

930KB
MD5

f2982dba65abe4f02b76140f894b652d
SHA1

3b847314476ed012df7dcd636ee1186dcd35b729
SHA256

e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c
SHA512

aa3e403d593225ceaf9e1e02f4c6e3d44ee3fa46edaa54281bbfa28c0795e46a22469b43f986dd618dca4dc4a054b031c3815ff37dd4eb3421c08216f1aa8902
SSDEEP

12288:sp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9Mt:spugRNJI1D39dlfGQrFUx9Mt

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
2696	sbietrcl.exe
2604	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.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"	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2604	2696	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	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.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
2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
2696	sbietrcl.exe
2696	sbietrcl.exe
2696	sbietrcl.exe
2696	sbietrcl.exe
2696	sbietrcl.exe
2696	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
Token: SeDebugPrivilege	2696	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2604	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2696	2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe	31
PID 2196 wrote to memory of 2696	2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe	31
PID 2196 wrote to memory of 2696	2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe	31
PID 2196 wrote to memory of 2696	2196	e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe	31
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32
PID 2696 wrote to memory of 2604	2696	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.exe
"C:\Users\Admin\AppData\Local\Temp\e8ac066c7ab1488bd85ab48385c6f09820e35aa97473fe94e933f87364c23a4c.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:2196
- 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:2696
- - 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:2604

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\CabD401.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
935KB

MD5
467411e1bdb13e5809924ca413146ed8

SHA1
b1db769e7298020b354a23a628a71e3d772ded5e

SHA256
7151bb4fe2eba87353e17b161dcf2b9d71b54731fe6a98f0a3951fb2e04c54d6

SHA512
19da6d6988d7d5c6f59f52925b098894904949a7201908aa65aa9bf962421abf342759c7fb08edf01232d8706b4502fb21d15b6a36f59e65c81b3541c403fcb9

Download Submit
memory/2196-1-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2196-2-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2196-10-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2196-11-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2196-23-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2196-29-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2196-0-0x00000000743C1000-0x00000000743C2000-memory.dmp

Filesize
4KB

Download
memory/2604-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-68-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-53-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2604-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2696-33-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-64-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-32-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-42-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-41-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-31-0x00000000743C0000-0x000000007496B000-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