remcos | efbde8c3fc0f8f18b6b2c93fae4c7aaaa137f866a9d112ebdc534b8477485261

General

Target

z1PROOFOFPAYMENT.exe
Size

963KB
MD5

3b8dd99d65b19a84a276a05804005790
SHA1

c300f31e8e67b4bd92504b94d5d2294b0f8ef5cb
SHA256

efbde8c3fc0f8f18b6b2c93fae4c7aaaa137f866a9d112ebdc534b8477485261
SHA512

6c15f448fdbe5cd63fcb010aae0aa253f9a9702d1edf7527ab73917896fd83b9f5bbd25f8494deabf7c612f7cf3448115f4f9925beaedf395e534158fb630bb5
SSDEEP

24576:uC8wC9aeW7T4WfjBrAodA0bbwkTQ8NmCQN0iiLX:uCG9+FvbzaCQ1

Score

10^/10

remcos sthost rat

Malware Config

Extracted

Family

remcos

Botnet

STHost

C2

89.249.73.162:2479

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-TH3UQH
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:

z1PROOFOFPAYMENT.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	z1PROOFOFPAYMENT.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

z1PROOFOFPAYMENT.exe

description pid process target process

PID 4864 set thread context of 1328 4864 z1PROOFOFPAYMENT.exe z1PROOFOFPAYMENT.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

3100 schtasks.exe

description	pid	process	target process
PID 4864 set thread context of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe

pid	process
3100	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

z1PROOFOFPAYMENT.exepowershell.exe

pid	process
4864	z1PROOFOFPAYMENT.exe
4584	powershell.exe
4584	powershell.exe
4864	z1PROOFOFPAYMENT.exe
4864	z1PROOFOFPAYMENT.exe
4864	z1PROOFOFPAYMENT.exe
4864	z1PROOFOFPAYMENT.exe
4584	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

z1PROOFOFPAYMENT.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4864 z1PROOFOFPAYMENT.exe
Token: SeDebugPrivilege 4584 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

z1PROOFOFPAYMENT.exe

pid process

1328 z1PROOFOFPAYMENT.exe

description	pid	process
Token: SeDebugPrivilege	4864	z1PROOFOFPAYMENT.exe
Token: SeDebugPrivilege	4584	powershell.exe

pid	process
1328	z1PROOFOFPAYMENT.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

z1PROOFOFPAYMENT.exe

description	pid	process	target process
PID 4864 wrote to memory of 4584	4864	z1PROOFOFPAYMENT.exe	powershell.exe
PID 4864 wrote to memory of 4584	4864	z1PROOFOFPAYMENT.exe	powershell.exe
PID 4864 wrote to memory of 4584	4864	z1PROOFOFPAYMENT.exe	powershell.exe
PID 4864 wrote to memory of 3100	4864	z1PROOFOFPAYMENT.exe	schtasks.exe
PID 4864 wrote to memory of 3100	4864	z1PROOFOFPAYMENT.exe	schtasks.exe
PID 4864 wrote to memory of 3100	4864	z1PROOFOFPAYMENT.exe	schtasks.exe
PID 4864 wrote to memory of 3932	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 3932	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 3932	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe
PID 4864 wrote to memory of 1328	4864	z1PROOFOFPAYMENT.exe	z1PROOFOFPAYMENT.exe

C:\Users\Admin\AppData\Local\Temp\z1PROOFOFPAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\z1PROOFOFPAYMENT.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VbYQdeNcfJk.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4584

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VbYQdeNcfJk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84C0.tmp"
2⤵
- Creates scheduled task(s)
PID:3100

C:\Users\Admin\AppData\Local\Temp\z1PROOFOFPAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\z1PROOFOFPAYMENT.exe"
2⤵
PID:3932

C:\Users\Admin\AppData\Local\Temp\z1PROOFOFPAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\z1PROOFOFPAYMENT.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1328

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:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
56a390a314e195a346b6ea290a690392

SHA1
796231988668ce79fa1bdebccaf23e8abd405a75

SHA256
bd4d6026e2c41bcb423389f8f9f196465a759f5d30b63d0a9f7e3906f2f6c02f

SHA512
ab0d80b4ee37e08d75188d6f7a27ae8bd4623d62bc8ebc74efc9d86b51b477e98d03997fd62ca4d147183db222732828cafc369ad46b170fc0b2b9009f72a934

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0bestx5p.lx4.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp84C0.tmp
Filesize
1KB

MD5
1b94005d183f623582c09a5ee1f05154

SHA1
77bf6cde3de624f57d30f25f659b7258cb701983

SHA256
8f3240ac5b352b160127fa64865fe319df286e01cd6d204ddb4f5510df451447

SHA512
2bca434ab2ddbf02ebf6dbb0307c8c912c7e821e0111c21c1341d8367755da13462950d59eeff6dd5f42a31fe1526e46172540c0f0e85dc78524c555083d30fb

Download Submit
memory/1328-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-93-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-113-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1328-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4584-19-0x0000000005420000-0x0000000005430000-memory.dmp

Filesize
64KB

Download
memory/4584-66-0x0000000007E60000-0x0000000007EF6000-memory.dmp

Filesize
600KB

Download
memory/4584-16-0x0000000005300000-0x0000000005336000-memory.dmp

Filesize
216KB

Download
memory/4584-23-0x0000000006200000-0x0000000006266000-memory.dmp

Filesize
408KB

Download
memory/4584-29-0x00000000062E0000-0x0000000006346000-memory.dmp

Filesize
408KB

Download
memory/4584-22-0x00000000058F0000-0x0000000005912000-memory.dmp

Filesize
136KB

Download
memory/4584-20-0x0000000005420000-0x0000000005430000-memory.dmp

Filesize
64KB

Download
memory/4584-45-0x00000000068D0000-0x00000000068EE000-memory.dmp

Filesize
120KB

Download
memory/4584-17-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4584-47-0x0000000006960000-0x00000000069AC000-memory.dmp

Filesize
304KB

Download
memory/4584-48-0x000000007F690000-0x000000007F6A0000-memory.dmp

Filesize
64KB

Download
memory/4584-49-0x0000000006E70000-0x0000000006EA2000-memory.dmp

Filesize
200KB

Download
memory/4584-50-0x0000000073520000-0x000000007356C000-memory.dmp

Filesize
304KB

Download
memory/4584-60-0x0000000006E50000-0x0000000006E6E000-memory.dmp

Filesize
120KB

Download
memory/4584-61-0x0000000005420000-0x0000000005430000-memory.dmp

Filesize
64KB

Download
memory/4584-62-0x0000000007AD0000-0x0000000007B73000-memory.dmp

Filesize
652KB

Download
memory/4584-63-0x0000000008220000-0x000000000889A000-memory.dmp

Filesize
6.5MB

Download
memory/4584-64-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

Filesize
104KB

Download
memory/4584-65-0x0000000007C50000-0x0000000007C5A000-memory.dmp

Filesize
40KB

Download
memory/4584-36-0x0000000006530000-0x0000000006884000-memory.dmp

Filesize
3.3MB

Download
memory/4584-67-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

Filesize
68KB

Download
memory/4584-68-0x0000000007E10000-0x0000000007E1E000-memory.dmp

Filesize
56KB

Download
memory/4584-69-0x0000000007E20000-0x0000000007E34000-memory.dmp

Filesize
80KB

Download
memory/4584-70-0x0000000007F20000-0x0000000007F3A000-memory.dmp

Filesize
104KB

Download
memory/4584-71-0x0000000007F00000-0x0000000007F08000-memory.dmp

Filesize
32KB

Download
memory/4584-74-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4584-18-0x0000000005A60000-0x0000000006088000-memory.dmp

Filesize
6.2MB

Download
memory/4864-7-0x0000000005020000-0x0000000005038000-memory.dmp

Filesize
96KB

Download
memory/4864-40-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4864-11-0x000000000CE00000-0x000000000CE9C000-memory.dmp

Filesize
624KB

Download
memory/4864-10-0x0000000009CA0000-0x0000000009D60000-memory.dmp

Filesize
768KB

Download
memory/4864-9-0x0000000005390000-0x00000000053A4000-memory.dmp

Filesize
80KB

Download
memory/4864-8-0x0000000005380000-0x000000000538E000-memory.dmp

Filesize
56KB

Download
memory/4864-0-0x00000000002E0000-0x00000000003D6000-memory.dmp

Filesize
984KB

Download
memory/4864-6-0x0000000007790000-0x000000000786E000-memory.dmp

Filesize
888KB

Download
memory/4864-5-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

Filesize
40KB

Download
memory/4864-4-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/4864-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp

Filesize
584KB

Download
memory/4864-2-0x00000000053A0000-0x0000000005944000-memory.dmp

Filesize
5.6MB

Download
memory/4864-1-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads