remcos | 7864d31f7ccf35934bbab34115c83952b94dfc7223929ac03fefac2b17ed7927

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 13:32

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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
2772	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2756	2520	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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2624	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2772	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	Quote.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2772	2520	Quote.exe	30
PID 2520 wrote to memory of 2772	2520	Quote.exe	30
PID 2520 wrote to memory of 2772	2520	Quote.exe	30
PID 2520 wrote to memory of 2772	2520	Quote.exe	30
PID 2520 wrote to memory of 2624	2520	Quote.exe	32
PID 2520 wrote to memory of 2624	2520	Quote.exe	32
PID 2520 wrote to memory of 2624	2520	Quote.exe	32
PID 2520 wrote to memory of 2624	2520	Quote.exe	32
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	Quote.exe	34
PID 2520 wrote to memory of 2756	2520	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:2520
- 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:2772
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OlhQyptevOgDP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB461.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2624
- 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:2756

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
0ddd2b07e212f546a76b4ca1d23d7b5c

SHA1
0672362ddb53db69923a22191d83826fc56b0243

SHA256
beec54c420abfbe512387434b2ceb9e409d61c073c9fd193bd625eb04fa74046

SHA512
47049681845bbd22d75162a47ba117d695d19205cc0e6c8b394848d13b19283f6f650b8df86b518960fa41691d7747a33e431d11defcc4b588c420144a8db142

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB461.tmp

Filesize
1KB

MD5
97cc9f37facab618b17952fc313dd1b6

SHA1
d3725f42503a382f055aa3df245146a276cd064c

SHA256
f28bf89af7ac93cd030bfa105f6c9a409e3702516b1ad6690ea03ad1fd96624a

SHA512
a4134851febd8476306b631cb2cc3842aff79aa4c6264a473b964b0de8d15b20c9278cda7da7c0f7e323772dcc0de1e6700b7b6e8af1cf71207044caae90c3ee

Download Submit
memory/2520-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/2520-1-0x0000000000C10000-0x0000000000CFC000-memory.dmp

Filesize
944KB

Download
memory/2520-2-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-3-0x00000000005D0000-0x00000000005E2000-memory.dmp

Filesize
72KB

Download
memory/2520-4-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/2520-5-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-6-0x00000000054F0000-0x00000000055B0000-memory.dmp

Filesize
768KB

Download
memory/2520-34-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download