remcos | 108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 03:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Quotation.scr.exe
Size

929KB
MD5

c5a8d5c579b01dde6496d426425c9e64
SHA1

2f66b4af4ae637fecda1d2a01dfc407137447722
SHA256

108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4
SHA512

c327fa7f319186880d834ec5ee57009b205511db0486ccbb6da2fdb5eed416f7f82564381bdfadce19de27bb15fb2116ebe3ab98c27d425e9f876ecf79113dbb
SSDEEP

24576:4qi0xXW+9UgrA7TEZEDPpsuNFMAvKKyoZ8y7IC:Ri037rOoZ6BsuPM0KBoZ8yMC

Score

10^/10

remcos remotehost execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

185.216.70.120:2427

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
remcos
mouse_option
false
mutex
Rmc-FSXSJ2
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

Processes:

powershell.exepowershell.exe

pid process

2108 powershell.exe
1488 powershell.exe

pid	process
2108	powershell.exe
1488	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

Processes:

Quotation.scr.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	Quotation.scr.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation.scr.exe

description pid process target process

PID 3100 set thread context of 1708 3100 Quotation.scr.exe Quotation.scr.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3728 schtasks.exe

description	pid	process	target process
PID 3100 set thread context of 1708	3100	Quotation.scr.exe	Quotation.scr.exe

pid	process
3728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Quotation.scr.exepowershell.exepowershell.exe

pid	process
3100	Quotation.scr.exe
3100	Quotation.scr.exe
2108	powershell.exe
1488	powershell.exe
3100	Quotation.scr.exe
3100	Quotation.scr.exe
2108	powershell.exe
1488	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Quotation.scr.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3100 Quotation.scr.exe
Token: SeDebugPrivilege 2108 powershell.exe
Token: SeDebugPrivilege 1488 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3100	Quotation.scr.exe
Token: SeDebugPrivilege	2108	powershell.exe
Token: SeDebugPrivilege	1488	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Quotation.scr.exe

description	pid	process	target process
PID 3100 wrote to memory of 2108	3100	Quotation.scr.exe	powershell.exe
PID 3100 wrote to memory of 2108	3100	Quotation.scr.exe	powershell.exe
PID 3100 wrote to memory of 2108	3100	Quotation.scr.exe	powershell.exe
PID 3100 wrote to memory of 1488	3100	Quotation.scr.exe	powershell.exe
PID 3100 wrote to memory of 1488	3100	Quotation.scr.exe	powershell.exe
PID 3100 wrote to memory of 1488	3100	Quotation.scr.exe	powershell.exe
PID 3100 wrote to memory of 3728	3100	Quotation.scr.exe	schtasks.exe
PID 3100 wrote to memory of 3728	3100	Quotation.scr.exe	schtasks.exe
PID 3100 wrote to memory of 3728	3100	Quotation.scr.exe	schtasks.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe
PID 3100 wrote to memory of 1708	3100	Quotation.scr.exe	Quotation.scr.exe

C:\Users\Admin\AppData\Local\Temp\Quotation.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3100

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\Quotation.scr.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2108

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uEizHLXGQSPJ.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uEizHLXGQSPJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp77C0.tmp"
2⤵
- Creates scheduled task(s)
PID:3728

C:\Users\Admin\AppData\Local\Temp\Quotation.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.scr.exe"
2⤵
PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
1352fe338bb6b8bc396a58761c50bf1e

SHA1
d4403aa36360d709d29afdf7d8f0d14238c92c3c

SHA256
43d88a4a5fd95c89da8f0dca3d470da56200a17d44b7d2a4963dc7e3b046da1a

SHA512
49e56408a4f45158c08d08d3bbf4205c40eb32d1e1bbcb9de81b68696345fddbdec7212483889785afffa363f44a21e65f65a0d9303e814d1f069cf40e1a77af

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bwffpy5j.n2b.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp77C0.tmp

Filesize
1KB

MD5
07145ee558b7c680dc9314efa53553b8

SHA1
503701a5f4f71ea8eeb7be673ef65aee2ab9b847

SHA256
2e79d536f7b672aaaa7d4e82591ba65c3906167a31e2c38caf5a7f7e08e08a15

SHA512
f34388b34d2469be55b9641ca2458d33a2482e483e099f756e3c5544797995b922d6f8c75b985acbda79603ba0f5d67fac4217bdf169e93f9db0d05feaf07f5d

Download Submit
memory/1488-86-0x0000000007AE0000-0x0000000007AE8000-memory.dmp

Filesize
32KB

Download
memory/1488-85-0x0000000007B00000-0x0000000007B1A000-memory.dmp

Filesize
104KB

Download
memory/1488-83-0x00000000079F0000-0x00000000079FE000-memory.dmp

Filesize
56KB

Download
memory/1488-78-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/1488-77-0x0000000007E00000-0x000000000847A000-memory.dmp

Filesize
6.5MB

Download
memory/1488-66-0x000000006FA60000-0x000000006FAAC000-memory.dmp

Filesize
304KB

Download
memory/1488-22-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1488-26-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1488-19-0x00000000054B0000-0x00000000054D2000-memory.dmp

Filesize
136KB

Download
memory/1488-23-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1488-92-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1488-20-0x0000000005550000-0x00000000055B6000-memory.dmp

Filesize
408KB

Download
memory/1488-21-0x00000000055C0000-0x0000000005626000-memory.dmp

Filesize
408KB

Download
memory/1708-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-127-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-151-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-150-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-149-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-148-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-147-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-146-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-145-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-144-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-143-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-142-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-141-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-139-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-138-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-136-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-134-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-133-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-130-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-129-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-125-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-124-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-101-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-113-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-116-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-117-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-120-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-121-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-122-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1708-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2108-84-0x00000000074B0000-0x00000000074C4000-memory.dmp

Filesize
80KB

Download
memory/2108-25-0x00000000057D0000-0x0000000005B24000-memory.dmp

Filesize
3.3MB

Download
memory/2108-54-0x0000000006500000-0x0000000006532000-memory.dmp

Filesize
200KB

Download
memory/2108-17-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/2108-52-0x00000000063F0000-0x000000000643C000-memory.dmp

Filesize
304KB

Download
memory/2108-15-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/2108-16-0x00000000051A0000-0x00000000057C8000-memory.dmp

Filesize
6.2MB

Download
memory/2108-81-0x0000000007470000-0x0000000007481000-memory.dmp

Filesize
68KB

Download
memory/2108-24-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/2108-93-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/2108-14-0x0000000002650000-0x0000000002686000-memory.dmp

Filesize
216KB

Download
memory/2108-80-0x00000000074F0000-0x0000000007586000-memory.dmp

Filesize
600KB

Download
memory/2108-79-0x00000000072E0000-0x00000000072EA000-memory.dmp

Filesize
40KB

Download
memory/2108-50-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/2108-55-0x000000006FA60000-0x000000006FAAC000-memory.dmp

Filesize
304KB

Download
memory/2108-76-0x0000000007110000-0x00000000071B3000-memory.dmp

Filesize
652KB

Download
memory/2108-65-0x00000000064E0000-0x00000000064FE000-memory.dmp

Filesize
120KB

Download
memory/3100-8-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/3100-9-0x00000000064D0000-0x0000000006590000-memory.dmp

Filesize
768KB

Download
memory/3100-0-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/3100-7-0x00000000052E0000-0x00000000052FA000-memory.dmp

Filesize
104KB

Download
memory/3100-51-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3100-6-0x0000000005190000-0x000000000522C000-memory.dmp

Filesize
624KB

Download
memory/3100-5-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3100-4-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

Filesize
40KB

Download
memory/3100-3-0x0000000004F00000-0x0000000004F92000-memory.dmp

Filesize
584KB

Download
memory/3100-2-0x00000000055B0000-0x0000000005B54000-memory.dmp

Filesize
5.6MB

Download
memory/3100-1-0x0000000000440000-0x000000000052A000-memory.dmp

Filesize
936KB

Download