remcos | c9ec59e23695adca831f06aca398c511cac81f2fd65c7353f14b4725791ab80a

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2023 01:33

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General

Target

Lecture 10.exe
Size

1.2MB
MD5

df59dea5d8a77ae66f24cc7d25924cec
SHA1

f5a25cdae133bf6851e85c934d90508033d7b579
SHA256

c9ec59e23695adca831f06aca398c511cac81f2fd65c7353f14b4725791ab80a
SHA512

c5a35e079dd7113eaa8ea55fba702572ef3d4f7fa32f7542055583783bc967888c981bb3690fad9ae1cf833ed2baefcd3e964ff7f44c2b9555f9421012347b3b
SSDEEP

24576:al06MFYr0PLhaX7nXdrj1IJNf+QQCwQZI5RHsHgZfW4l0:alL8YnzU+QtC5RHsA

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

ennenbach.duckdns.org:5800

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-QWQZF3
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

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:

Lecture 10.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	Lecture 10.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Lecture 10.exeLecture 10.exe

description	pid	process	target process
PID 4212 set thread context of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 1904 set thread context of 4204	1904	Lecture 10.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

3840 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

3700 powershell.exe
3700 powershell.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Lecture 10.exe

pid process

1904 Lecture 10.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3700 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Lecture 10.exe

pid process

1904 Lecture 10.exe

pid	process
3840	schtasks.exe

pid	process
3700	powershell.exe
3700	powershell.exe

pid	process
1904	Lecture 10.exe

description	pid	process
Token: SeDebugPrivilege	3700	powershell.exe

pid	process
1904	Lecture 10.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

Lecture 10.exeLecture 10.exe

description	pid	process	target process
PID 4212 wrote to memory of 3700	4212	Lecture 10.exe	powershell.exe
PID 4212 wrote to memory of 3700	4212	Lecture 10.exe	powershell.exe
PID 4212 wrote to memory of 3700	4212	Lecture 10.exe	powershell.exe
PID 4212 wrote to memory of 3840	4212	Lecture 10.exe	schtasks.exe
PID 4212 wrote to memory of 3840	4212	Lecture 10.exe	schtasks.exe
PID 4212 wrote to memory of 3840	4212	Lecture 10.exe	schtasks.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 4212 wrote to memory of 1904	4212	Lecture 10.exe	Lecture 10.exe
PID 1904 wrote to memory of 4204	1904	Lecture 10.exe	svchost.exe
PID 1904 wrote to memory of 4204	1904	Lecture 10.exe	svchost.exe
PID 1904 wrote to memory of 4204	1904	Lecture 10.exe	svchost.exe
PID 1904 wrote to memory of 4204	1904	Lecture 10.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\Lecture 10.exe
"C:\Users\Admin\AppData\Local\Temp\Lecture 10.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4212

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZgiXnjSvRpTK.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3700

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZgiXnjSvRpTK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50EF.tmp"
2⤵
- Creates scheduled task(s)
PID:3840

C:\Users\Admin\AppData\Local\Temp\Lecture 10.exe
"C:\Users\Admin\AppData\Local\Temp\Lecture 10.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904

C:\Windows\SysWOW64\svchost.exe
svchost.exe
3⤵
PID:4204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat
Filesize
218B

MD5
edfee5460a4200d9d316bd287e28f652

SHA1
63736abc6c22a5a6a97f9bcf24017fbef501c600

SHA256
a429c29d6f9df7bc75516c9b056e68096e1f72ef22b3c5117b4aca792980cd59

SHA512
afdfefb04e4310368e02411b1da20a16a9de0e6aec9369c19415fdb4383fd8c15be2fda60c4cfb0e76e5b914217f70004e19ed1b23c6f47b7513bd37162c73d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ipgq31hs.y00.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp50EF.tmp
Filesize
1KB

MD5
861e1b728f451865d87acddab064f2e6

SHA1
b2e9d6110312c0ff3a69a22bf3626f7ed480f985

SHA256
8def258ec894c88fdef72408e3aa9f74cc6adb1a5e38065d01d15ee8e99cf40e

SHA512
98d1dbdbf69ccc8207e9b1eca6f53e9c230605d78b3ec979f6249e60e8dce60999e6a8c29503074ac4c6ac0646443d3e4654e468eb385aa31815cdd5cdbd8804

Download Submit
memory/1904-207-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-238-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-268-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-267-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-209-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-266-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-265-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-263-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-262-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-149-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-150-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-211-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-153-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-260-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-158-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-156-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-259-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-161-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-258-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-256-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-255-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-172-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-173-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-210-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-254-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-252-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-251-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-249-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-188-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-248-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-247-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-245-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-192-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-244-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-243-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-241-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-240-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-237-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-199-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-202-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-204-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-205-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-206-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-236-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-235-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-233-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-152-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-213-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-214-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-215-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-232-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-217-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-218-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-219-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-221-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-222-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-224-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-225-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-226-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-228-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-229-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1904-230-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3700-155-0x00000000055C0000-0x00000000055E2000-memory.dmp

Filesize
136KB

Download
memory/3700-159-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/3700-144-0x0000000002590000-0x00000000025C6000-memory.dmp

Filesize
216KB

Download
memory/3700-177-0x0000000070D10000-0x0000000070D5C000-memory.dmp

Filesize
304KB

Download
memory/3700-198-0x0000000007470000-0x0000000007478000-memory.dmp

Filesize
32KB

Download
memory/3700-189-0x00000000077A0000-0x0000000007E1A000-memory.dmp

Filesize
6.5MB

Download
memory/3700-197-0x0000000007490000-0x00000000074AA000-memory.dmp

Filesize
104KB

Download
memory/3700-196-0x0000000007380000-0x000000000738E000-memory.dmp

Filesize
56KB

Download
memory/3700-194-0x00000000073D0000-0x0000000007466000-memory.dmp

Filesize
600KB

Download
memory/3700-193-0x00000000071C0000-0x00000000071CA000-memory.dmp

Filesize
40KB

Download
memory/3700-176-0x0000000006E10000-0x0000000006E42000-memory.dmp

Filesize
200KB

Download
memory/3700-190-0x0000000007150000-0x000000000716A000-memory.dmp

Filesize
104KB

Download
memory/3700-174-0x0000000005E50000-0x0000000005E6E000-memory.dmp

Filesize
120KB

Download
memory/3700-147-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/3700-148-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/3700-191-0x000000007F810000-0x000000007F820000-memory.dmp

Filesize
64KB

Download
memory/3700-175-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/3700-146-0x0000000004F90000-0x00000000055B8000-memory.dmp

Filesize
6.2MB

Download
memory/3700-157-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/3700-187-0x00000000063E0000-0x00000000063FE000-memory.dmp

Filesize
120KB

Download
memory/4204-167-0x0000000001000000-0x0000000001138000-memory.dmp

Filesize
1.2MB

Download
memory/4212-133-0x0000000000620000-0x0000000000758000-memory.dmp

Filesize
1.2MB

Download
memory/4212-134-0x00000000057B0000-0x0000000005D54000-memory.dmp

Filesize
5.6MB

Download
memory/4212-135-0x0000000005130000-0x00000000051C2000-memory.dmp

Filesize
584KB

Download
memory/4212-136-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/4212-138-0x0000000005100000-0x0000000005110000-memory.dmp

Filesize
64KB

Download
memory/4212-139-0x0000000007DC0000-0x0000000007E5C000-memory.dmp

Filesize
624KB

Download
memory/4212-137-0x0000000005100000-0x0000000005110000-memory.dmp

Filesize
64KB

Download