remcos | 8e1b07bdec3d7336a6228c7471f2e25c0bd9b937bb75f1171f789d409054ef4e

Analysis

max time kernel
134s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 12:26

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General

Target

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
Size

617KB
MD5

d822c95bd53f00fca100fd5a8e262c84
SHA1

5198d2fdc041d5b71fa0ca9e12308b0d835a2e6f
SHA256

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02
SHA512

3579eff385d1b1c5695f12c061052b594f2659971384d7ea37c4b7f9e46043ed6e7cfdcfa332fc249878ee9efc1b2da85ddb69851f812eb14f072979209bf59c
SSDEEP

12288:+CHNBT5iQt+QD+pkBFJsoFlTlNeg8jQHhpKISzAHEAmD:lNlpBr3d8j8H

Score

10^/10

remcos gg rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

62.102.148.185:9771

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
newstart
keylog_path
%AppData%
mouse_option
false
mutex
remcos_wgwfvnfssp
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

description	pid	process	target process
PID 5000 set thread context of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.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

1104 schtasks.exe

pid	process
1104	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exepowershell.exepowershell.exe

pid	process
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
4472	powershell.exe
4548	powershell.exe
5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
4548	powershell.exe
4472	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
Token: SeDebugPrivilege	4472	powershell.exe
Token: SeDebugPrivilege	4548	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

pid process

2556 fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

pid	process
2556	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

description	pid	process	target process
PID 5000 wrote to memory of 4472	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 5000 wrote to memory of 4472	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 5000 wrote to memory of 4472	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 5000 wrote to memory of 4548	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 5000 wrote to memory of 4548	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 5000 wrote to memory of 4548	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	powershell.exe
PID 5000 wrote to memory of 1104	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	schtasks.exe
PID 5000 wrote to memory of 1104	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	schtasks.exe
PID 5000 wrote to memory of 1104	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	schtasks.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
PID 5000 wrote to memory of 2556	5000	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe	fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe

C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
"C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000

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\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oloHsnLTUx.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4548

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oloHsnLTUx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD968.tmp"
2⤵
- Creates scheduled task(s)
PID:1104

C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe
"C:\Users\Admin\AppData\Local\Temp\fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2556

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3n5nfl53.yzv.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD968.tmp
Filesize
1KB

MD5
f8aa9dbe478b59b5a8b91c805ad280d5

SHA1
19fcaef14c978a1b61417af9d847ca1965e0330e

SHA256
3accbd5d685cf3c59047532d290f3eb85a7ba42753e53eb44fbb22e7e4a9ded7

SHA512
8e16f3ee2c65dd3ad9402fd02c896021c0777e1525207606f37a09210011ae76263250e2eb45ebaca4d71d284c151fc06c93d6818e729bb771c8ae0b42dc5a0b

Download Submit
memory/2556-104-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-103-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-110-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-109-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-108-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-107-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-106-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-105-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-112-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-111-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-101-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-100-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-113-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4472-20-0x0000000004890000-0x00000000048A0000-memory.dmp

Filesize
64KB

Download
memory/4472-18-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-24-0x0000000005670000-0x00000000056D6000-memory.dmp

Filesize
408KB

Download
memory/4472-98-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-92-0x0000000007240000-0x000000000724E000-memory.dmp

Filesize
56KB

Download
memory/4472-23-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/4472-38-0x00000000056E0000-0x0000000005A34000-memory.dmp

Filesize
3.3MB

Download
memory/4472-22-0x0000000004C30000-0x0000000004C52000-memory.dmp

Filesize
136KB

Download
memory/4472-90-0x0000000007290000-0x0000000007326000-memory.dmp

Filesize
600KB

Download
memory/4472-88-0x0000000007010000-0x000000000702A000-memory.dmp

Filesize
104KB

Download
memory/4472-21-0x0000000004ED0000-0x00000000054F8000-memory.dmp

Filesize
6.2MB

Download
memory/4472-73-0x00000000711F0000-0x000000007123C000-memory.dmp

Filesize
304KB

Download
memory/4472-86-0x0000000004890000-0x00000000048A0000-memory.dmp

Filesize
64KB

Download
memory/4472-17-0x00000000023E0000-0x0000000002416000-memory.dmp

Filesize
216KB

Download
memory/4472-19-0x0000000004890000-0x00000000048A0000-memory.dmp

Filesize
64KB

Download
memory/4472-80-0x0000000004890000-0x00000000048A0000-memory.dmp

Filesize
64KB

Download
memory/4472-85-0x0000000006CE0000-0x0000000006D83000-memory.dmp

Filesize
652KB

Download
memory/4472-62-0x0000000006C60000-0x0000000006C92000-memory.dmp

Filesize
200KB

Download
memory/4548-99-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4548-89-0x0000000007080000-0x000000000708A000-memory.dmp

Filesize
40KB

Download
memory/4548-74-0x0000000006290000-0x00000000062AE000-memory.dmp

Filesize
120KB

Download
memory/4548-57-0x0000000005D30000-0x0000000005D7C000-memory.dmp

Filesize
304KB

Download
memory/4548-26-0x0000000002420000-0x0000000002430000-memory.dmp

Filesize
64KB

Download
memory/4548-93-0x0000000007250000-0x0000000007264000-memory.dmp

Filesize
80KB

Download
memory/4548-87-0x0000000007650000-0x0000000007CCA000-memory.dmp

Filesize
6.5MB

Download
memory/4548-56-0x0000000005D10000-0x0000000005D2E000-memory.dmp

Filesize
120KB

Download
memory/4548-63-0x00000000711F0000-0x000000007123C000-memory.dmp

Filesize
304KB

Download
memory/4548-91-0x0000000007210000-0x0000000007221000-memory.dmp

Filesize
68KB

Download
memory/4548-25-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4548-27-0x0000000002420000-0x0000000002430000-memory.dmp

Filesize
64KB

Download
memory/4548-94-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/4548-95-0x0000000007330000-0x0000000007338000-memory.dmp

Filesize
32KB

Download
memory/4548-61-0x000000007F720000-0x000000007F730000-memory.dmp

Filesize
64KB

Download
memory/5000-0-0x0000000000900000-0x00000000009A0000-memory.dmp

Filesize
640KB

Download
memory/5000-53-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/5000-12-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/5000-11-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/5000-10-0x000000000A300000-0x000000000A39C000-memory.dmp

Filesize
624KB

Download
memory/5000-9-0x0000000006660000-0x00000000066C0000-memory.dmp

Filesize
384KB

Download
memory/5000-8-0x00000000065E0000-0x00000000065EC000-memory.dmp

Filesize
48KB

Download
memory/5000-7-0x00000000065D0000-0x00000000065D8000-memory.dmp

Filesize
32KB

Download
memory/5000-6-0x00000000065A0000-0x00000000065B2000-memory.dmp

Filesize
72KB

Download
memory/5000-5-0x0000000005560000-0x000000000556A000-memory.dmp

Filesize
40KB

Download
memory/5000-4-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/5000-3-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/5000-2-0x00000000059C0000-0x0000000005F64000-memory.dmp

Filesize
5.6MB

Download
memory/5000-1-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download