remcos | d65a05ac95914160ce98904bf3f203f99d8261dbda038d2309419d345f78e2d8

General

Target

hsCNXH5WfPktCMH.exe
Size

1.1MB
MD5

e5a2da8ed26dafdba1593c27e93fe424
SHA1

9b365ea6cc2a88b2a32d56f4a079ea3fa7a1a6b9
SHA256

d65a05ac95914160ce98904bf3f203f99d8261dbda038d2309419d345f78e2d8
SHA512

79e7cd6dd43674c7e6a187e7aa4c895b149b4aefc445b18457956a7edde66ba6981e18933c63331786445d36e221f14da5dcab0602b40bed6b9940110adc8d1d

Score

10^/10

remcos evasion rat trojan

Malware Config

Extracted

Family

remcos

C2

217.138.212.58:52667

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
Suspicious use of SetThreadContext 1 IoCs

Processes:

hsCNXH5WfPktCMH.exe

description pid process target process

PID 4804 set thread context of 2576 4804 hsCNXH5WfPktCMH.exe hsCNXH5WfPktCMH.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1796 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

4564 reg.exe

description	pid	process	target process
PID 4804 set thread context of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe

pid	process
1796	schtasks.exe

pid	process
4564	reg.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

hsCNXH5WfPktCMH.exepowershell.exepowershell.exepowershell.exe

pid	process
4804	hsCNXH5WfPktCMH.exe
4804	hsCNXH5WfPktCMH.exe
4804	hsCNXH5WfPktCMH.exe
4804	hsCNXH5WfPktCMH.exe
2520	powershell.exe
1512	powershell.exe
1080	powershell.exe
2520	powershell.exe
1512	powershell.exe
1080	powershell.exe
1080	powershell.exe
1512	powershell.exe
2520	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

hsCNXH5WfPktCMH.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4804	hsCNXH5WfPktCMH.exe
Token: SeDebugPrivilege	1080	powershell.exe
Token: SeDebugPrivilege	1512	powershell.exe
Token: SeDebugPrivilege	2520	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

hsCNXH5WfPktCMH.exe

pid process

2576 hsCNXH5WfPktCMH.exe

pid	process
2576	hsCNXH5WfPktCMH.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

hsCNXH5WfPktCMH.exehsCNXH5WfPktCMH.execmd.exe

description	pid	process	target process
PID 4804 wrote to memory of 1080	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 1080	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 1080	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 1512	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 1512	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 1512	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 1796	4804	hsCNXH5WfPktCMH.exe	schtasks.exe
PID 4804 wrote to memory of 1796	4804	hsCNXH5WfPktCMH.exe	schtasks.exe
PID 4804 wrote to memory of 1796	4804	hsCNXH5WfPktCMH.exe	schtasks.exe
PID 4804 wrote to memory of 2520	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 2520	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 2520	4804	hsCNXH5WfPktCMH.exe	powershell.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 4804 wrote to memory of 2576	4804	hsCNXH5WfPktCMH.exe	hsCNXH5WfPktCMH.exe
PID 2576 wrote to memory of 3484	2576	hsCNXH5WfPktCMH.exe	cmd.exe
PID 2576 wrote to memory of 3484	2576	hsCNXH5WfPktCMH.exe	cmd.exe
PID 2576 wrote to memory of 3484	2576	hsCNXH5WfPktCMH.exe	cmd.exe
PID 3484 wrote to memory of 4564	3484	cmd.exe	reg.exe
PID 3484 wrote to memory of 4564	3484	cmd.exe	reg.exe
PID 3484 wrote to memory of 4564	3484	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\hsCNXH5WfPktCMH.exe
"C:\Users\Admin\AppData\Local\Temp\hsCNXH5WfPktCMH.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4804

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\hsCNXH5WfPktCMH.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1080

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NgFXSXBboDHspt.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1512

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NgFXSXBboDHspt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CA9.tmp"
2⤵
- Creates scheduled task(s)
PID:1796

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NgFXSXBboDHspt.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2520

C:\Users\Admin\AppData\Local\Temp\hsCNXH5WfPktCMH.exe
"C:\Users\Admin\AppData\Local\Temp\hsCNXH5WfPktCMH.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2576

C:\Windows\SysWOW64\cmd.exe
/k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
3⤵
- Suspicious use of WriteProcessMemory
PID:3484

C:\Windows\SysWOW64\reg.exe
C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
4⤵
- Modifies registry key
PID:4564

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Bypass User Account Control

1

T1088

Scheduled Task

1

T1053

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
MD5
1c19c16e21c97ed42d5beabc93391fc5

SHA1
8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

SHA256
1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

SHA512
7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
b9ad74ec5b6bb2828cdb3bb0a0b1d392

SHA1
f2d3cd9bd4c683577c363171518f49bc56cb8ce1

SHA256
4f42408cf66a5098919484a411cfba779be5699cf7504650c8697a99d7bdb34e

SHA512
7d5ec00fc474f3093dbf0e986c718470b0b4bd929ae37bc4cfbedab199cf2a21b9a4145abf7554a877316999879b2053086f4d3bcd658c0f751d314a17af4814

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2CA9.tmp
MD5
3949e85fbde4810959c42aff133d751f

SHA1
18c6736f55de0cfe6843aa19311107ab4a070df7

SHA256
2496c11d14dd3c94c7e6aba7588ff61d057cca271f6cf9f8a045fd3aa768e466

SHA512
745207d54dc5fa89ae1aa893caa099aef4f71d26961d914bd87f6e4046816957d628b89355e3833f62a5051d543f5fb5347bc198b7abd1d61c183ee596e6b0ec

Download Submit
memory/1080-153-0x0000000007EF0000-0x0000000007EF1000-memory.dmp

Filesize
4KB

Download
memory/1080-131-0x00000000075F0000-0x00000000075F1000-memory.dmp

Filesize
4KB

Download
memory/1080-139-0x0000000006FB2000-0x0000000006FB3000-memory.dmp

Filesize
4KB

Download
memory/1080-194-0x000000007E890000-0x000000007E891000-memory.dmp

Filesize
4KB

Download
memory/1080-197-0x0000000006FB3000-0x0000000006FB4000-memory.dmp

Filesize
4KB

Download
memory/1080-137-0x0000000006FB0000-0x0000000006FB1000-memory.dmp

Filesize
4KB

Download
memory/1080-150-0x0000000007540000-0x0000000007541000-memory.dmp

Filesize
4KB

Download
memory/1080-125-0x0000000000000000-mapping.dmp

Download
memory/1080-128-0x0000000006F30000-0x0000000006F31000-memory.dmp

Filesize
4KB

Download
memory/1512-156-0x00000000073E0000-0x00000000073E1000-memory.dmp

Filesize
4KB

Download
memory/1512-129-0x0000000000000000-mapping.dmp

Download
memory/1512-199-0x00000000042C3000-0x00000000042C4000-memory.dmp

Filesize
4KB

Download
memory/1512-140-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download
memory/1512-142-0x00000000042C2000-0x00000000042C3000-memory.dmp

Filesize
4KB

Download
memory/1512-195-0x000000007EBF0000-0x000000007EBF1000-memory.dmp

Filesize
4KB

Download
memory/1796-130-0x0000000000000000-mapping.dmp

Download
memory/2520-163-0x0000000004240000-0x0000000004241000-memory.dmp

Filesize
4KB

Download
memory/2520-160-0x00000000075C0000-0x00000000075C1000-memory.dmp

Filesize
4KB

Download
memory/2520-138-0x0000000000000000-mapping.dmp

Download
memory/2520-165-0x0000000007450000-0x0000000007451000-memory.dmp

Filesize
4KB

Download
memory/2520-164-0x0000000004242000-0x0000000004243000-memory.dmp

Filesize
4KB

Download
memory/2520-168-0x0000000007D80000-0x0000000007D81000-memory.dmp

Filesize
4KB

Download
memory/2520-198-0x0000000004243000-0x0000000004244000-memory.dmp

Filesize
4KB

Download
memory/2520-196-0x000000007E0E0000-0x000000007E0E1000-memory.dmp

Filesize
4KB

Download
memory/2520-171-0x0000000007CC0000-0x0000000007CC1000-memory.dmp

Filesize
4KB

Download
memory/2576-159-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2576-141-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2576-143-0x000000000042EEEF-mapping.dmp

Download
memory/3484-146-0x0000000000000000-mapping.dmp

Download
memory/4564-149-0x0000000000000000-mapping.dmp

Download
memory/4804-114-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/4804-122-0x0000000007910000-0x000000000791D000-memory.dmp

Filesize
52KB

Download
memory/4804-121-0x0000000005680000-0x0000000005681000-memory.dmp

Filesize
4KB

Download
memory/4804-120-0x0000000003060000-0x0000000003061000-memory.dmp

Filesize
4KB

Download
memory/4804-123-0x0000000007240000-0x00000000072ED000-memory.dmp

Filesize
692KB

Download
memory/4804-119-0x0000000005460000-0x0000000005461000-memory.dmp

Filesize
4KB

Download
memory/4804-124-0x0000000009EF0000-0x0000000009F68000-memory.dmp

Filesize
480KB

Download
memory/4804-118-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/4804-117-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

Filesize
4KB

Download
memory/4804-116-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads