remcos | 7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898b

General

Target

7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
Size

1.4MB
MD5

e002d88c5146ec8f42bcc9cf0a029af0
SHA1

88ce6da042c371b5ca59a86b3e8955d13d40aa7d
SHA256

7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898b
SHA512

c88ac937212bc0dfb0cdb020f7415550f086e593720c868f4af1f49e0134f8b1cc2d0c22fc12c3d8260628766a5df013030b21bc8883b0c2b7f7a0bf68c8f927
SSDEEP

24576:lD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJ33G:lF+QrFUBgq25eKZW

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
2744	sbietrcl.exe
2428	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2428	2744	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	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.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
1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
2744	sbietrcl.exe
2744	sbietrcl.exe
2744	sbietrcl.exe
2744	sbietrcl.exe
2744	sbietrcl.exe
2744	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
Token: SeDebugPrivilege	2744	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2428	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2744	1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe	30
PID 1944 wrote to memory of 2744	1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe	30
PID 1944 wrote to memory of 2744	1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe	30
PID 1944 wrote to memory of 2744	1944	7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe	30
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31
PID 2744 wrote to memory of 2428	2744	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.exe
"C:\Users\Admin\AppData\Local\Temp\7c09d979fd266f49eb9418364e54d1cfe596bd343073eb5175539d3a4edf898bN.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:1944
- 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:2744
- - 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:2428

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\CabB7AB.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.4MB

MD5
91c5fd31cdde4cbf65962bebf8dd5072

SHA1
a2704af59be434a460e40d38b1a942efbee37e06

SHA256
2831639838c392ba66d7bdae5cb5f7a463c051f8037be82b97542123610fad52

SHA512
49c04ee268cfde0dc361d568fd636c00f78ac9c1380cebb8f9d06e5d951ad53eba1259d77b253b1d79664f01a183426216673ffac481746a1d53921dbd1ab756

Download Submit
memory/1944-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-10-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-11-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-23-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-29-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

Filesize
4KB

Download
memory/2428-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-53-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-68-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2428-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2744-41-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-59-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-42-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-40-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-39-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-31-0x0000000074DA0000-0x000000007534B000-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