remcos | f361275b4679dd821cec516ab8d3b1a7523f8920bbd65f22a3610d523951729b

Analysis

max time kernel
26s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2024 08:34

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General

Target

UTR400620101111.exe
Size

693KB
MD5

ed7e3220e46369bec523ca3338a330e5
SHA1

bcf3c8f96c5b2df5f4f694bc9be8b13f4c5d6444
SHA256

f361275b4679dd821cec516ab8d3b1a7523f8920bbd65f22a3610d523951729b
SHA512

42f41cf20e49027e229fdc711336200d58b4982c1c4c1986074a1b6cb0498c79138ad3c10009ef1d781324df270a60ca04891a252587907094ed82037e231500
SSDEEP

12288:YWh868yq0Gg4rijd3l1Gwq2k4cJptpSydNRt9WfV4kD9c3hwEAmD:YV68yq0N4cd3Gw7sJjpJdNvAn9cxw

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:

UTR400620101111.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	UTR400620101111.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

UTR400620101111.exe

description pid process target process

PID 428 set thread context of 4996 428 UTR400620101111.exe UTR400620101111.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

2860 schtasks.exe

description	pid	process	target process
PID 428 set thread context of 4996	428	UTR400620101111.exe	UTR400620101111.exe

pid	process
2860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

UTR400620101111.exepowershell.exepowershell.exe

pid	process
428	UTR400620101111.exe
428	UTR400620101111.exe
428	UTR400620101111.exe
428	UTR400620101111.exe
428	UTR400620101111.exe
428	UTR400620101111.exe
428	UTR400620101111.exe
428	UTR400620101111.exe
3436	powershell.exe
4856	powershell.exe
428	UTR400620101111.exe
4856	powershell.exe
3436	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

UTR400620101111.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 428 UTR400620101111.exe
Token: SeDebugPrivilege 3436 powershell.exe
Token: SeDebugPrivilege 4856 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

UTR400620101111.exe

pid process

4996 UTR400620101111.exe

description	pid	process
Token: SeDebugPrivilege	428	UTR400620101111.exe
Token: SeDebugPrivilege	3436	powershell.exe
Token: SeDebugPrivilege	4856	powershell.exe

pid	process
4996	UTR400620101111.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

UTR400620101111.exe

description	pid	process	target process
PID 428 wrote to memory of 3436	428	UTR400620101111.exe	powershell.exe
PID 428 wrote to memory of 3436	428	UTR400620101111.exe	powershell.exe
PID 428 wrote to memory of 3436	428	UTR400620101111.exe	powershell.exe
PID 428 wrote to memory of 4856	428	UTR400620101111.exe	powershell.exe
PID 428 wrote to memory of 4856	428	UTR400620101111.exe	powershell.exe
PID 428 wrote to memory of 4856	428	UTR400620101111.exe	powershell.exe
PID 428 wrote to memory of 2860	428	UTR400620101111.exe	schtasks.exe
PID 428 wrote to memory of 2860	428	UTR400620101111.exe	schtasks.exe
PID 428 wrote to memory of 2860	428	UTR400620101111.exe	schtasks.exe
PID 428 wrote to memory of 2744	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 2744	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 2744	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe
PID 428 wrote to memory of 4996	428	UTR400620101111.exe	UTR400620101111.exe

C:\Users\Admin\AppData\Local\Temp\UTR400620101111.exe
"C:\Users\Admin\AppData\Local\Temp\UTR400620101111.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:428

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IgpZyCEcDkYjvK.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4856

C:\Users\Admin\AppData\Local\Temp\UTR400620101111.exe
"C:\Users\Admin\AppData\Local\Temp\UTR400620101111.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:4996

C:\Users\Admin\AppData\Local\Temp\UTR400620101111.exe
"C:\Users\Admin\AppData\Local\Temp\UTR400620101111.exe"
2⤵
PID:2744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IgpZyCEcDkYjvK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6EE.tmp"
2⤵
- Creates scheduled task(s)
PID:2860

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\UTR400620101111.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3436

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_jcxsmt1b.fm2.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA6EE.tmp
Filesize
1KB

MD5
13a7c0837f7ab54354b5f2eaaf474ef4

SHA1
eabf28aa9d7cb5c5bb9c1aa300d66d66578ab766

SHA256
fc6d348959873d129ae02b752f100befb8840e39d82d9498745a7c26a9256521

SHA512
0b20639c4d80ee505ae294936a2247a6924832f66214d69a157f9cb1a4722377bb5b28ffc26e5fd8fd6329971222efe5e38872b41254d8ec7358500d8f1a2423

Download Submit
memory/428-9-0x00000000077F0000-0x00000000077FE000-memory.dmp

Filesize
56KB

Download
memory/428-8-0x00000000077E0000-0x00000000077EA000-memory.dmp

Filesize
40KB

Download
memory/428-4-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/428-6-0x00000000055F0000-0x000000000568C000-memory.dmp

Filesize
624KB

Download
memory/428-5-0x0000000005390000-0x000000000539A000-memory.dmp

Filesize
40KB

Download
memory/428-7-0x00000000054C0000-0x00000000054D4000-memory.dmp

Filesize
80KB

Download
memory/428-54-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/428-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/428-10-0x00000000079F0000-0x0000000007A50000-memory.dmp

Filesize
384KB

Download
memory/428-11-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/428-1-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/428-16-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/428-2-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/428-0-0x0000000000980000-0x0000000000A32000-memory.dmp

Filesize
712KB

Download
memory/3436-18-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3436-97-0x0000000007DB0000-0x0000000007DB8000-memory.dmp

Filesize
32KB

Download
memory/3436-89-0x00000000080E0000-0x000000000875A000-memory.dmp

Filesize
6.5MB

Download
memory/3436-29-0x00000000060F0000-0x0000000006156000-memory.dmp

Filesize
408KB

Download
memory/3436-30-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/3436-62-0x0000000006D40000-0x0000000006D72000-memory.dmp

Filesize
200KB

Download
memory/3436-74-0x0000000070E50000-0x0000000070E9C000-memory.dmp

Filesize
304KB

Download
memory/3436-87-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/3436-100-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3436-88-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/3436-19-0x0000000005920000-0x0000000005F48000-memory.dmp

Filesize
6.2MB

Download
memory/3436-61-0x000000007FBE0000-0x000000007FBF0000-memory.dmp

Filesize
64KB

Download
memory/3436-26-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/3436-17-0x00000000051A0000-0x00000000051D6000-memory.dmp

Filesize
216KB

Download
memory/4856-21-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4856-47-0x0000000005460000-0x00000000057B4000-memory.dmp

Filesize
3.3MB

Download
memory/4856-22-0x0000000000E60000-0x0000000000E70000-memory.dmp

Filesize
64KB

Download
memory/4856-56-0x0000000005A10000-0x0000000005A2E000-memory.dmp

Filesize
120KB

Download
memory/4856-101-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4856-57-0x0000000005A50000-0x0000000005A9C000-memory.dmp

Filesize
304KB

Download
memory/4856-27-0x0000000004B20000-0x0000000004B86000-memory.dmp

Filesize
408KB

Download
memory/4856-63-0x0000000070E50000-0x0000000070E9C000-memory.dmp

Filesize
304KB

Download
memory/4856-77-0x0000000006A40000-0x0000000006AE3000-memory.dmp

Filesize
652KB

Download
memory/4856-76-0x0000000000E60000-0x0000000000E70000-memory.dmp

Filesize
64KB

Download
memory/4856-96-0x00000000070A0000-0x00000000070BA000-memory.dmp

Filesize
104KB

Download
memory/4856-95-0x0000000006FA0000-0x0000000006FB4000-memory.dmp

Filesize
80KB

Download
memory/4856-23-0x0000000000E60000-0x0000000000E70000-memory.dmp

Filesize
64KB

Download
memory/4856-75-0x0000000000E60000-0x0000000000E70000-memory.dmp

Filesize
64KB

Download
memory/4856-73-0x0000000006A20000-0x0000000006A3E000-memory.dmp

Filesize
120KB

Download
memory/4856-94-0x0000000006F90000-0x0000000006F9E000-memory.dmp

Filesize
56KB

Download
memory/4856-90-0x0000000006D60000-0x0000000006D7A000-memory.dmp

Filesize
104KB

Download
memory/4856-91-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

Filesize
40KB

Download
memory/4856-25-0x0000000004980000-0x00000000049A2000-memory.dmp

Filesize
136KB

Download
memory/4856-92-0x0000000006FE0000-0x0000000007076000-memory.dmp

Filesize
600KB

Download
memory/4856-93-0x0000000006F60000-0x0000000006F71000-memory.dmp

Filesize
68KB

Download
memory/4996-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-24-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-104-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-103-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-105-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-107-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-106-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-109-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-108-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-111-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-110-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-114-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4996-115-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download