remcos | 498ff4b3681d96a03f36fab8eda190db57133c9b350c91eeb79fab68beadfe85

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 19:19

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General

Target

Deposit 47800 USD.png.exe
Size

903KB
MD5

ede0315b2253c133fb9fb6c32c1b4d24
SHA1

4c11d887e2fa02dd967a4a723f1b92253d738411
SHA256

c4e002e24dc01a9ec412049b3ee298bf7ede32caf604a7a0cf61711d9d3f2bd7
SHA512

a1e105987b844947c448b3b08228368464daa160810fd9cd3100bede7dead786308c6f4da20e21203726795e1b2f21762339b42304a2ee91f417799e4555cb0d
SSDEEP

12288:mznnX1BNRZ9v1H5SutQJ9NNzRF/AIyDQTt+C6UUmcPBUDoD5zluKiS59GmMi1s6X:+BfR5SutmXRFY9rJUUm+BPV4CRTkE

Score

10^/10

remcos remotehost discovery execution rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

103.186.116.111:4440

google-com-site-backup.duckdns.org:4440

103.186.116.111:5656

codingoffensive.duckdns.org:5656

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
ssl
mouse_option
false
mutex
Rmc-XHK5L2
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2896	powershell.exe
2736	powershell.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2312 set thread context of 3012	2312	Deposit 47800 USD.png.exe	36

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 5 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	Deposit 47800 USD.png.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Deposit 47800 USD.png.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
496	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2312	Deposit 47800 USD.png.exe
2312	Deposit 47800 USD.png.exe
2736	powershell.exe
2896	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	Deposit 47800 USD.png.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	2736	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3012	Deposit 47800 USD.png.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2736	2312	Deposit 47800 USD.png.exe	30
PID 2312 wrote to memory of 2736	2312	Deposit 47800 USD.png.exe	30
PID 2312 wrote to memory of 2736	2312	Deposit 47800 USD.png.exe	30
PID 2312 wrote to memory of 2736	2312	Deposit 47800 USD.png.exe	30
PID 2312 wrote to memory of 2896	2312	Deposit 47800 USD.png.exe	32
PID 2312 wrote to memory of 2896	2312	Deposit 47800 USD.png.exe	32
PID 2312 wrote to memory of 2896	2312	Deposit 47800 USD.png.exe	32
PID 2312 wrote to memory of 2896	2312	Deposit 47800 USD.png.exe	32
PID 2312 wrote to memory of 496	2312	Deposit 47800 USD.png.exe	34
PID 2312 wrote to memory of 496	2312	Deposit 47800 USD.png.exe	34
PID 2312 wrote to memory of 496	2312	Deposit 47800 USD.png.exe	34
PID 2312 wrote to memory of 496	2312	Deposit 47800 USD.png.exe	34
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36
PID 2312 wrote to memory of 3012	2312	Deposit 47800 USD.png.exe	36

C:\Users\Admin\AppData\Local\Temp\Deposit 47800 USD.png.exe
"C:\Users\Admin\AppData\Local\Temp\Deposit 47800 USD.png.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Deposit 47800 USD.png.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZldrOZt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2896
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZldrOZt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B17.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:496
- C:\Users\Admin\AppData\Local\Temp\Deposit 47800 USD.png.exe
  "C:\Users\Admin\AppData\Local\Temp\Deposit 47800 USD.png.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\ssl\logs.dat

Filesize
144B

MD5
69ed151664270ae1a92b8d11e40861e0

SHA1
9a172019561722f43a2fb259339f801c1e2da254

SHA256
da69d41e4f3f6ef59180267d6b7c0a9d8f0a18a6efdd0401cab4f19615366056

SHA512
c2940a773defccc09210ec9f621aac33718e9ad2fe771dde20d9163feb0c4c0a27206c726301b2bdc9355c574c17178f90f8c1f6177886e6839a16dc82d22ec6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9B17.tmp

Filesize
1KB

MD5
f7c94c1f4ddb31aa69c3892f94328e63

SHA1
d9bcfbc562d0fdc5ca961cbf8066e3dafb7f122c

SHA256
0ccc62e5c791c7070857dd2c9d82c4aaf5fd592214ac6e0b89934d3131c50da1

SHA512
97757b5893957688e35c2dfc89463e71b1fc724fd4837567d73f201e6f9d14b005125c9817d4f87eb450556e8bd06b8b027eb2c799834654c0f185b09bcc11f7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YGACC38L47U65NNVNNF8.temp

Filesize
7KB

MD5
d46a2e4a0420aa5cefddf8da54110846

SHA1
e1e05a05edf4843fbf9d3692bbf9ab00d0a430ef

SHA256
b458c36b624007e0ac88fba3e618004380d673626b1430cd8a822f98abab8708

SHA512
c5f60cab3271adb64a96f3bb115d9dbf4edf9a98541271e04d06eb490f6c0e51e2f57603f233c5bf7f646e9c62b156e62df3f850402ba3bd78e7a30164d4a023

Download Submit
memory/2312-43-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-1-0x00000000012A0000-0x0000000001388000-memory.dmp

Filesize
928KB

Download
memory/2312-2-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-3-0x0000000000380000-0x0000000000390000-memory.dmp

Filesize
64KB

Download
memory/2312-4-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download
memory/2312-5-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-6-0x0000000005F20000-0x0000000005FE0000-memory.dmp

Filesize
768KB

Download
memory/2312-0-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download
memory/3012-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3012-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download