remcos | 9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2023 09:32

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General

Target

9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
Size

994KB
MD5

2d1013d597cf1a7313da5e4be3df12af
SHA1

015dcee05970990215d6d7d2498e3e412de81f16
SHA256

9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867
SHA512

5c10d4b559d424940ddb0f202e44563f1c4b1a38e4b69a310eb80ac2a5ecf46a2bbb5225e7b124af8feed09645a4073e81bc51be30b9702b3bd29342fac76621
SSDEEP

24576:u7Oz/Q1yEUkVhVyU6YpfsmpPRnTr/hRaynRd1m:IOz/QA3kVh9ls8PrUeRd1m

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

107.175.229.139:8087

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-IZFV1M
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

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:

9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Control Panel\International\Geo\Nation	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

description	pid	process	target process
PID 4740 set thread context of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.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

3344 schtasks.exe

pid	process
3344	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exe9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exepowershell.exe

pid	process
5076	powershell.exe
4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
1800	powershell.exe
5076	powershell.exe
1800	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exe9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

description	pid	process
Token: SeDebugPrivilege	5076	powershell.exe
Token: SeDebugPrivilege	1800	powershell.exe
Token: SeDebugPrivilege	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

pid process

4768 9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

pid	process
4768	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe

C:\Users\Admin\AppData\Local\Temp\9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
"C:\Users\Admin\AppData\Local\Temp\9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740

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\9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5076

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nETbUrupBk.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1800

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nETbUrupBk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp882B.tmp"
2⤵
- Creates scheduled task(s)
PID:3344

C:\Users\Admin\AppData\Local\Temp\9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
"C:\Users\Admin\AppData\Local\Temp\9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe"
2⤵
PID:1608

C:\Users\Admin\AppData\Local\Temp\9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
"C:\Users\Admin\AppData\Local\Temp\9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:4768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
cf52e91cbad16d1be6cf3fdf736ef6fb

SHA1
8664d3c537697d0c2888c52f478ea3fe5f4f994c

SHA256
7e9fa174a231e23db3c943e3d7159aa3d53135bda2120891340e6080a28943e6

SHA512
e85dd7ade2195243d8f24a827664ddc8af3b7d4ff7ead581ebae505345fdf56a1bbbe22796d1cc265aa3b2c294a940dd6664c85f13749cc2da963dc807fed313

Download Submit
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
28787dd0ee1419412f804028cfb58235

SHA1
cb4cee0147fbfee7c1504d9b7841181bc34faf53

SHA256
990ff481eac52e31e8d65de2f5149de1a7489a76c1fd377334bdd5ca7d517364

SHA512
910519fa1157a60b9b3aaac2c0548d46fecaa90ce6c55c79bf61c29794795f6f0ef58091b35776dc798a9c7b972c8c67c27558d06af4543b053bdf15532ab963

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dgp3rkdg.svp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp882B.tmp

Filesize
1KB

MD5
1f367f49c349a64733c1379f897266c9

SHA1
74051ba317d1ecf1ea3e2ac5bcd434821348af1e

SHA256
2f62729ba7bede7084850c38f476112309850cc49cf1bdfc41d456eef232b6a5

SHA512
661a8d3ac3405e534915a4224e1de397a88b1cc6dda7e6f41c820f54663033263b77295630d5bd346d20e0fc2d6fc0dd23114bc17899ed66c15caf6d21b3120b

Download Submit
memory/1800-83-0x0000000007600000-0x00000000076A3000-memory.dmp

Filesize
652KB

Download
memory/1800-89-0x0000000007980000-0x000000000798E000-memory.dmp

Filesize
56KB

Download
memory/1800-85-0x0000000007750000-0x000000000776A000-memory.dmp

Filesize
104KB

Download
memory/1800-92-0x0000000007A70000-0x0000000007A78000-memory.dmp

Filesize
32KB

Download
memory/1800-58-0x0000000006A00000-0x0000000006A32000-memory.dmp

Filesize
200KB

Download
memory/1800-59-0x000000007F410000-0x000000007F420000-memory.dmp

Filesize
64KB

Download
memory/1800-60-0x0000000071520000-0x000000007156C000-memory.dmp

Filesize
304KB

Download
memory/1800-57-0x00000000064D0000-0x000000000651C000-memory.dmp

Filesize
304KB

Download
memory/1800-98-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1800-28-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/1800-26-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/1800-25-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/1800-21-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/4740-20-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4740-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/4740-0-0x0000000000670000-0x000000000076E000-memory.dmp

Filesize
1016KB

Download
memory/4740-1-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4740-3-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/4740-4-0x0000000005260000-0x00000000055B4000-memory.dmp

Filesize
3.3MB

Download
memory/4740-5-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/4740-6-0x0000000005750000-0x000000000575A000-memory.dmp

Filesize
40KB

Download
memory/4740-7-0x0000000005E60000-0x0000000005EFC000-memory.dmp

Filesize
624KB

Download
memory/4740-49-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4740-8-0x0000000005E50000-0x0000000005E66000-memory.dmp

Filesize
88KB

Download
memory/4740-9-0x0000000005F70000-0x0000000005F78000-memory.dmp

Filesize
32KB

Download
memory/4740-10-0x0000000005F80000-0x0000000005F8A000-memory.dmp

Filesize
40KB

Download
memory/4740-11-0x0000000006B30000-0x0000000006BF4000-memory.dmp

Filesize
784KB

Download
memory/4768-124-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-130-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-125-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4768-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5076-91-0x00000000073C0000-0x00000000073DA000-memory.dmp

Filesize
104KB

Download
memory/5076-19-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download
memory/5076-99-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/5076-18-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/5076-23-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download
memory/5076-90-0x00000000072C0000-0x00000000072D4000-memory.dmp

Filesize
80KB

Download
memory/5076-17-0x0000000004FB0000-0x00000000055D8000-memory.dmp

Filesize
6.2MB

Download
memory/5076-88-0x0000000007280000-0x0000000007291000-memory.dmp

Filesize
68KB

Download
memory/5076-24-0x0000000004F80000-0x0000000004FA2000-memory.dmp

Filesize
136KB

Download
memory/5076-87-0x0000000007300000-0x0000000007396000-memory.dmp

Filesize
600KB

Download
memory/5076-86-0x00000000070F0000-0x00000000070FA000-memory.dmp

Filesize
40KB

Download
memory/5076-84-0x00000000076C0000-0x0000000007D3A000-memory.dmp

Filesize
6.5MB

Download
memory/5076-72-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download
memory/5076-73-0x0000000006330000-0x000000000634E000-memory.dmp

Filesize
120KB

Download
memory/5076-61-0x0000000071520000-0x000000007156C000-memory.dmp

Filesize
304KB

Download
memory/5076-62-0x000000007F930000-0x000000007F940000-memory.dmp

Filesize
64KB

Download
memory/5076-16-0x0000000002440000-0x0000000002476000-memory.dmp

Filesize
216KB

Download
memory/5076-56-0x0000000005D50000-0x0000000005D6E000-memory.dmp

Filesize
120KB

Download

description	pid	process	target process
PID 4740 wrote to memory of 5076	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	powershell.exe
PID 4740 wrote to memory of 5076	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	powershell.exe
PID 4740 wrote to memory of 5076	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	powershell.exe
PID 4740 wrote to memory of 1800	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	powershell.exe
PID 4740 wrote to memory of 1800	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	powershell.exe
PID 4740 wrote to memory of 1800	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	powershell.exe
PID 4740 wrote to memory of 3344	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	schtasks.exe
PID 4740 wrote to memory of 3344	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	schtasks.exe
PID 4740 wrote to memory of 3344	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	schtasks.exe
PID 4740 wrote to memory of 1608	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 1608	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 1608	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe
PID 4740 wrote to memory of 4768	4740	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe	9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867.exe