remcos | 6d8192c01d191baa76250cf31aceba5ebf250db393a2fd09f9c5ea4a863765c7

General

Target

RequestforQuotation.exe
Size

893KB
MD5

e057087c0fe5dafd5123c6a25c183af3
SHA1

e2a42baf90b09e6dfcb903fd393aca21260b8176
SHA256

6d8192c01d191baa76250cf31aceba5ebf250db393a2fd09f9c5ea4a863765c7
SHA512

de8634aa07b3cc7bf75b81f6297a09f663d8ec7b2b9e192f2a8fa393bad6e3057c891e479d93d35b4ecde2461d9b590d56236ca93d1bf2bbdeaf1a799974f688
SSDEEP

24576:GL4bjmbWSLfTQOoEurziT0WcbJnFvJFxNJA:ro7kziQWcbJnFvJFfJA

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

eadzagba1.duckdns.org:4877

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-X3UMUO
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2220	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1520 set thread context of 2796	1520	RequestforQuotation.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RequestforQuotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RequestforQuotation.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2220	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 2220	1520	RequestforQuotation.exe	31
PID 1520 wrote to memory of 2220	1520	RequestforQuotation.exe	31
PID 1520 wrote to memory of 2220	1520	RequestforQuotation.exe	31
PID 1520 wrote to memory of 2220	1520	RequestforQuotation.exe	31
PID 1520 wrote to memory of 2920	1520	RequestforQuotation.exe	33
PID 1520 wrote to memory of 2920	1520	RequestforQuotation.exe	33
PID 1520 wrote to memory of 2920	1520	RequestforQuotation.exe	33
PID 1520 wrote to memory of 2920	1520	RequestforQuotation.exe	33
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35
PID 1520 wrote to memory of 2796	1520	RequestforQuotation.exe	35

C:\Users\Admin\AppData\Local\Temp\RequestforQuotation.exe
"C:\Users\Admin\AppData\Local\Temp\RequestforQuotation.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mGIyPc.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2220
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mGIyPc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6F5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2920
- C:\Users\Admin\AppData\Local\Temp\RequestforQuotation.exe
  "C:\Users\Admin\AppData\Local\Temp\RequestforQuotation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE6F5.tmp

Filesize
1KB

MD5
7467540b4a126240c87a3cf8ef64a9c6

SHA1
c053ae97439a98521a51468510316c13707b3772

SHA256
d5916fdf75433d8742d47fec7b619b0029beb8354af9593a2477c009c156cd1b

SHA512
d5b9212df561ba30194b5fe25b65d35381c0db2a904463c58707e7e70596c170fddf2b43c773f2327170d97f63de560e5c360dc6c100e7f363f5e25172b31e4f

Download Submit
memory/1520-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/1520-1-0x0000000000840000-0x0000000000926000-memory.dmp

Filesize
920KB

Download
memory/1520-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/1520-3-0x00000000005F0000-0x0000000000600000-memory.dmp

Filesize
64KB

Download
memory/1520-4-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/1520-5-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/1520-6-0x00000000053D0000-0x0000000005490000-memory.dmp

Filesize
768KB

Download
memory/1520-34-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2796-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2796-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads