remcos | 7864d31f7ccf35934bbab34115c83952b94dfc7223929ac03fefac2b17ed7927

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
3548	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	Quote.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3968 set thread context of 1256	3968	Quote.exe	95

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
3568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3548	powershell.exe
3968	Quote.exe
3968	Quote.exe
3968	Quote.exe
3968	Quote.exe
3548	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3548	powershell.exe
Token: SeDebugPrivilege	3968	Quote.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1256	Quote.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 3548	3968	Quote.exe	89
PID 3968 wrote to memory of 3548	3968	Quote.exe	89
PID 3968 wrote to memory of 3548	3968	Quote.exe	89
PID 3968 wrote to memory of 3568	3968	Quote.exe	91
PID 3968 wrote to memory of 3568	3968	Quote.exe	91
PID 3968 wrote to memory of 3568	3968	Quote.exe	91
PID 3968 wrote to memory of 2660	3968	Quote.exe	93
PID 3968 wrote to memory of 2660	3968	Quote.exe	93
PID 3968 wrote to memory of 2660	3968	Quote.exe	93
PID 3968 wrote to memory of 4680	3968	Quote.exe	94
PID 3968 wrote to memory of 4680	3968	Quote.exe	94
PID 3968 wrote to memory of 4680	3968	Quote.exe	94
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95
PID 3968 wrote to memory of 1256	3968	Quote.exe	95

C:\Users\Admin\AppData\Local\Temp\Quote.exe
"C:\Users\Admin\AppData\Local\Temp\Quote.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3968
- 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:3548
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OlhQyptevOgDP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE9D3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3568
- C:\Users\Admin\AppData\Local\Temp\Quote.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
  2⤵
  PID:2660
- C:\Users\Admin\AppData\Local\Temp\Quote.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
  2⤵
  PID:4680
- 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:1256

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
ce127a068fe759f9779ec2960878b76f

SHA1
9fb891399acce379392c6bf28fdd4982d5780f78

SHA256
1ac545510ee3ce91383d6dc2a19de194add24fa8b7729b04e72b26a8cb6740bd

SHA512
fb14e4daa54d405c0743480f8eda64bbb91e6d83bf75fb5dd786097faf6d8dc706a8c90dc0460fe8363a6c9f85087800e3af1f0b2427c7209c29068937c1629c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fkl4lerp.kwb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE9D3.tmp

Filesize
1KB

MD5
0915bdca1ecd014f0123640b53caad53

SHA1
3bd614486f8363ced4e87b734e4ed1cd18d412ec

SHA256
6eeafef28cb9cede1e26a31b8864f28455242bf1be65c395c5129385f8c7311e

SHA512
ecfd8c81cce4a7b191d71bccaeb9a72def40333e29738d58aa8093ec1d02b40121ea087059cf346a203963d72f37cdeec388b55252d9703b9bf4e0393c66c502

Download Submit
memory/1256-117-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-122-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-151-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-150-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-149-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-146-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-145-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-143-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-142-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-139-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-136-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-133-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-129-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-125-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-121-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-147-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-93-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1256-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3548-21-0x0000000005570000-0x0000000005592000-memory.dmp

Filesize
136KB

Download
memory/3548-46-0x0000000006760000-0x00000000067AC000-memory.dmp

Filesize
304KB

Download
memory/3548-18-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3548-62-0x00000000078C0000-0x00000000078CA000-memory.dmp

Filesize
40KB

Download
memory/3548-72-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3548-69-0x0000000007B70000-0x0000000007B78000-memory.dmp

Filesize
32KB

Download
memory/3548-68-0x0000000007B90000-0x0000000007BAA000-memory.dmp

Filesize
104KB

Download
memory/3548-67-0x0000000007A90000-0x0000000007AA4000-memory.dmp

Filesize
80KB

Download
memory/3548-66-0x0000000007A80000-0x0000000007A8E000-memory.dmp

Filesize
56KB

Download
memory/3548-64-0x0000000007A50000-0x0000000007A61000-memory.dmp

Filesize
68KB

Download
memory/3548-63-0x0000000007AD0000-0x0000000007B66000-memory.dmp

Filesize
600KB

Download
memory/3548-15-0x0000000002BF0000-0x0000000002C26000-memory.dmp

Filesize
216KB

Download
memory/3548-61-0x0000000007850000-0x000000000786A000-memory.dmp

Filesize
104KB

Download
memory/3548-60-0x0000000007E90000-0x000000000850A000-memory.dmp

Filesize
6.5MB

Download
memory/3548-59-0x0000000007710000-0x00000000077B3000-memory.dmp

Filesize
652KB

Download
memory/3548-58-0x0000000006B30000-0x0000000006B4E000-memory.dmp

Filesize
120KB

Download
memory/3548-48-0x000000006F460000-0x000000006F4AC000-memory.dmp

Filesize
304KB

Download
memory/3548-47-0x0000000006AF0000-0x0000000006B22000-memory.dmp

Filesize
200KB

Download
memory/3548-17-0x0000000005880000-0x0000000005EA8000-memory.dmp

Filesize
6.2MB

Download
memory/3548-16-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3548-19-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3548-22-0x0000000005790000-0x00000000057F6000-memory.dmp

Filesize
408KB

Download
memory/3548-23-0x0000000005F20000-0x0000000005F86000-memory.dmp

Filesize
408KB

Download
memory/3548-43-0x0000000006520000-0x000000000653E000-memory.dmp

Filesize
120KB

Download
memory/3548-42-0x0000000005F90000-0x00000000062E4000-memory.dmp

Filesize
3.3MB

Download
memory/3968-2-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/3968-4-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/3968-3-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/3968-1-0x00000000004B0000-0x000000000059C000-memory.dmp

Filesize
944KB

Download
memory/3968-45-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/3968-10-0x00000000094E0000-0x000000000957C000-memory.dmp

Filesize
624KB

Download
memory/3968-9-0x0000000006DE0000-0x0000000006EA0000-memory.dmp

Filesize
768KB

Download
memory/3968-8-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-7-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/3968-6-0x00000000052D0000-0x00000000052E2000-memory.dmp

Filesize
72KB

Download
memory/3968-5-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download