remcos | 264d6866d534205d35dcbbb2e5f031440f5580ae97d0eec657477f957039126a

General

Target

TSTS 0005A.exe
Size

922KB
MD5

b195643d6d8c3f81c7409533ad14726c
SHA1

c09b56928fb1f448ed9b3610a0b930f77e2ebcfe
SHA256

f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2
SHA512

b843153f581be5a77b8575cf09e25333d5eaf5af3b689441ad0af336c4494a6181d5882dfa8b2ba2d90acb64cd3db9ab26f1cf87e1991f996d26cbb6990c5fb8
SSDEEP

24576:JgjHr6DLW5Gaxs00MUVXdtS6seDmw+Op8lCua51:WrpDxclG65mg8lCuo

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

sembe.duckdns.org:14645

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
true
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
notess
keylog_path
%AppData%
mouse_option
false
mutex
Rmc-P0AEMX
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:

TSTS 0005A.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	TSTS 0005A.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

TSTS 0005A.exe

description pid process target process

PID 5096 set thread context of 1972 5096 TSTS 0005A.exe TSTS 0005A.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

3640 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

TSTS 0005A.exepowershell.exe

pid process

5096 TSTS 0005A.exe
5096 TSTS 0005A.exe
1720 powershell.exe
1720 powershell.exe
1720 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeTSTS 0005A.exe

description pid process

Token: SeDebugPrivilege 1720 powershell.exe
Token: SeDebugPrivilege 5096 TSTS 0005A.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

TSTS 0005A.exe

pid process

1972 TSTS 0005A.exe

description	pid	process	target process
PID 5096 set thread context of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe

pid	process
3640	schtasks.exe

pid	process
5096	TSTS 0005A.exe
5096	TSTS 0005A.exe
1720	powershell.exe
1720	powershell.exe
1720	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1720	powershell.exe
Token: SeDebugPrivilege	5096	TSTS 0005A.exe

pid	process
1972	TSTS 0005A.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

TSTS 0005A.exe

description	pid	process	target process
PID 5096 wrote to memory of 1720	5096	TSTS 0005A.exe	powershell.exe
PID 5096 wrote to memory of 1720	5096	TSTS 0005A.exe	powershell.exe
PID 5096 wrote to memory of 1720	5096	TSTS 0005A.exe	powershell.exe
PID 5096 wrote to memory of 3640	5096	TSTS 0005A.exe	schtasks.exe
PID 5096 wrote to memory of 3640	5096	TSTS 0005A.exe	schtasks.exe
PID 5096 wrote to memory of 3640	5096	TSTS 0005A.exe	schtasks.exe
PID 5096 wrote to memory of 4316	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 4316	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 4316	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe
PID 5096 wrote to memory of 1972	5096	TSTS 0005A.exe	TSTS 0005A.exe

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5096

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vcEDbAjawlTHE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB80.tmp"
2⤵
- Creates scheduled task(s)
PID:3640

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
2⤵
PID:4316

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1972

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4216 --field-trial-handle=2000,i,9877262470271371196,11878025205711850266,262144 --variations-seed-version /prefetch:8
1⤵
PID:3828

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sub1ujh3.41h.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBB80.tmp
Filesize
1KB

MD5
601227869aa531a3acd347f9d0181f37

SHA1
d7a03dc42224bd50cd4010916e81547ff5cba586

SHA256
1b580c9fc6722565956906ec38a187d34feaaa75f732c78cf62fb6b0c7395809

SHA512
6fbc9f497d73b86392a780b3d61dc582c921f8ea29853c4691fe9e9e853356d6b7f860b292e8bc597cc1c96377c70b00d789d2a923ea8418044d2ee8586b0a00

Download Submit
C:\Users\Admin\AppData\Roaming\notess\logs.dat
Filesize
144B

MD5
469101c77431787fa4ce405cc9d604b9

SHA1
47253134de48c972da00d66f78235f50fdfdd83a

SHA256
522c16812dca20315f7f0566b975bae268e74204f30930307332d28deff023b5

SHA512
58c2ed3fcdc262640c11e1d71be1e403cb0a79ee0112ab14df0d8455dc219e0a004a11090970dc66503f776e1642214ba97095cdbbca73ba1293e9571438cb8a

Download Submit
memory/1720-73-0x00000000072B0000-0x00000000072BE000-memory.dmp

Filesize
56KB

Download
memory/1720-75-0x00000000073B0000-0x00000000073CA000-memory.dmp

Filesize
104KB

Download
memory/1720-79-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1720-76-0x00000000073A0000-0x00000000073A8000-memory.dmp

Filesize
32KB

Download
memory/1720-74-0x00000000072C0000-0x00000000072D4000-memory.dmp

Filesize
80KB

Download
memory/1720-72-0x0000000007260000-0x0000000007271000-memory.dmp

Filesize
68KB

Download
memory/1720-69-0x00000000072E0000-0x0000000007376000-memory.dmp

Filesize
600KB

Download
memory/1720-14-0x0000000002400000-0x0000000002436000-memory.dmp

Filesize
216KB

Download
memory/1720-15-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1720-68-0x00000000070E0000-0x00000000070EA000-memory.dmp

Filesize
40KB

Download
memory/1720-17-0x00000000049F0000-0x0000000004A00000-memory.dmp

Filesize
64KB

Download
memory/1720-19-0x0000000005030000-0x0000000005658000-memory.dmp

Filesize
6.2MB

Download
memory/1720-18-0x00000000049F0000-0x0000000004A00000-memory.dmp

Filesize
64KB

Download
memory/1720-67-0x0000000007060000-0x000000000707A000-memory.dmp

Filesize
104KB

Download
memory/1720-22-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/1720-66-0x00000000076B0000-0x0000000007D2A000-memory.dmp

Filesize
6.5MB

Download
memory/1720-65-0x0000000006F30000-0x0000000006FD3000-memory.dmp

Filesize
652KB

Download
memory/1720-24-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/1720-64-0x0000000006310000-0x000000000632E000-memory.dmp

Filesize
120KB

Download
memory/1720-20-0x0000000004E60000-0x0000000004E82000-memory.dmp

Filesize
136KB

Download
memory/1720-54-0x0000000075630000-0x000000007567C000-memory.dmp

Filesize
304KB

Download
memory/1720-53-0x0000000006330000-0x0000000006362000-memory.dmp

Filesize
200KB

Download
memory/1720-52-0x000000007F790000-0x000000007F7A0000-memory.dmp

Filesize
64KB

Download
memory/1720-38-0x0000000005740000-0x0000000005A94000-memory.dmp

Filesize
3.3MB

Download
memory/1720-49-0x00000000049F0000-0x0000000004A00000-memory.dmp

Filesize
64KB

Download
memory/1720-42-0x0000000005D50000-0x0000000005D6E000-memory.dmp

Filesize
120KB

Download
memory/1720-44-0x0000000005D90000-0x0000000005DDC000-memory.dmp

Filesize
304KB

Download
memory/1972-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-113-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5096-5-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/5096-1-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/5096-6-0x00000000052C0000-0x00000000052D0000-memory.dmp

Filesize
64KB

Download
memory/5096-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/5096-7-0x00000000052E0000-0x00000000052EC000-memory.dmp

Filesize
48KB

Download
memory/5096-4-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/5096-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/5096-36-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/5096-9-0x0000000008F80000-0x000000000901C000-memory.dmp

Filesize
624KB

Download
memory/5096-0-0x0000000000680000-0x0000000000768000-memory.dmp

Filesize
928KB

Download
memory/5096-8-0x00000000068A0000-0x0000000006960000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads