remcos | 929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 13:09

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General

Target

Quote.exe
Size

915KB
MD5

0b18de9b2b7f17fc93796eabee8d26dd
SHA1

0c0f08a2df8262960e6290900bff0684847cc0c8
SHA256

929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0
SHA512

07a146051648b7bf1a7024bf1375b27b3ee6ea07c9c455ede24d3edce26d79e2f227a9b1a9ba0eb4f5e05c75e458169e48c3a8a1acaf731781a0f105ace37860
SSDEEP

12288:OdK2wPfKaoFsNyjcFg/Q5P4Uf1fTX5muSPflsEXywds31GHvMb7d+fLnnjnU+DL:FPfKaKsNEesQ5PxL5mjHiwOFEvMOPn3

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.projectusf.com:2404

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
gfh
mouse_option
false
mutex
Rmc-J91LMC
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2776	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2992	2084	Quote.exe	34

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 4 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	Quote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quote.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
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2776	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2992	Quote.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2776	2084	Quote.exe	30
PID 2084 wrote to memory of 2776	2084	Quote.exe	30
PID 2084 wrote to memory of 2776	2084	Quote.exe	30
PID 2084 wrote to memory of 2776	2084	Quote.exe	30
PID 2084 wrote to memory of 2772	2084	Quote.exe	31
PID 2084 wrote to memory of 2772	2084	Quote.exe	31
PID 2084 wrote to memory of 2772	2084	Quote.exe	31
PID 2084 wrote to memory of 2772	2084	Quote.exe	31
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34
PID 2084 wrote to memory of 2992	2084	Quote.exe	34

C:\Users\Admin\AppData\Local\Temp\Quote.exe
"C:\Users\Admin\AppData\Local\Temp\Quote.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OlhQyptevOgDP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2776
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OlhQyptevOgDP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3488.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\Quote.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2992

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

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
81dd94390c35d6c69691c6a6bd5987f5

SHA1
f7412ae0b53fc259f53023f24a140462dc4958de

SHA256
b2d3da1ad1b3e1c09bce3d1fd972a81595c3801ce6ecf8ecb95787c33cd9d51d

SHA512
9394bb99e85d30ca53ac2a2a051a95e0a7362faf42ceeed42717580e0a1e2e53c169d43eaf6e3ee478ebd27cae7c5d7c91947d914373bb9792e4a7e673f7b1e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3488.tmp

Filesize
1KB

MD5
e8175156e975efc43e6b22082175eca9

SHA1
160c426d196039e9cfe7743f909ff1c08ea35afd

SHA256
244e73e7413125e6639ae3c060b5ab9af8f0fd9a01fda20596985365dcee6419

SHA512
82e07353f40506882437d12d1646ba63739aafe7d57ac21d6ec7b8d39b514a55b5e4ab40ecfde8bc6de0d15fa41c27bffbe85307dffe066108e261e69b021a18

Download Submit
memory/2084-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2084-1-0x0000000000B30000-0x0000000000C1C000-memory.dmp

Filesize
944KB

Download
memory/2084-2-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-3-0x0000000000970000-0x0000000000982000-memory.dmp

Filesize
72KB

Download
memory/2084-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2084-5-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-6-0x00000000053C0000-0x0000000005480000-memory.dmp

Filesize
768KB

Download
memory/2084-31-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2992-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2992-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2992-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download