remcos | 7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29

General

Target

7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
Size

900KB
MD5

c9d033467bd4405db131e2db7dd8abbf
SHA1

31a47ebb0a372ce4dea8f9ad0d7e547816ff7103
SHA256

7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29
SHA512

08b643c8ed42b6f59d9879eff287f9cf1f11696794c084dcc337f4d893cc759868457d8ef2fc095b73aa43deec5527d12dffbbdce528a71f758e8c0af335ffc2
SSDEEP

24576:QHIlObe6kDOI8hCMghsuN3OqyDzORPW3fa:FciJ2N4spU+i

Score

10^/10

remcos lee discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

lee

C2

lack.work.gd:3124

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
ios
mouse_option
false
mutex
gig-RM2DNS
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
sos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2812	powershell.exe
2684	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 876 set thread context of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37

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 5 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	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.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
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
2812	powershell.exe
2684	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2684	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1912	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2812	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	31
PID 876 wrote to memory of 2812	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	31
PID 876 wrote to memory of 2812	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	31
PID 876 wrote to memory of 2812	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	31
PID 876 wrote to memory of 2684	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	33
PID 876 wrote to memory of 2684	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	33
PID 876 wrote to memory of 2684	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	33
PID 876 wrote to memory of 2684	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	33
PID 876 wrote to memory of 2688	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	34
PID 876 wrote to memory of 2688	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	34
PID 876 wrote to memory of 2688	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	34
PID 876 wrote to memory of 2688	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	34
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37
PID 876 wrote to memory of 1912	876	7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe	37

C:\Users\Admin\AppData\Local\Temp\7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
"C:\Users\Admin\AppData\Local\Temp\7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:876
- 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\7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\njEnUdtKgG.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\njEnUdtKgG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5206.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2688
- C:\Users\Admin\AppData\Local\Temp\7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe
  "C:\Users\Admin\AppData\Local\Temp\7943aab15dc5804448102c5c1fc5341b65708bff970773e25f0f27d807e90d29.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1912

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

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Downloads

C:\ProgramData\ios\logs.dat

Filesize
144B

MD5
a522e9fdc2c9bbb6e0023440e304ce15

SHA1
0270b9dc285d036f64a1d476fbd63256d7aa24cd

SHA256
1af65c19e0d5f860832094776582acab444ba4094b4958f1803c684917fffccd

SHA512
60a1fe2c5f184d54bbfc0b5f18422e98aa5aba810ef9f0df3779398b8a56424f48e4ae8b90d20db42040bb77673c55f8bd0f54d1df3efce14f0e3a7aa9f3020f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5206.tmp

Filesize
1KB

MD5
3b3b094b34597d80999c57601705b174

SHA1
934b7c3999ba8c5e2f378860efc0cac39f27d18e

SHA256
78a72eb931eeae22df282af952bb5c8fbfb3509e3f544052d032ca2091fdc2a2

SHA512
1049621734ce96b380722b2a8e944895fe09bea3f8b33658825d9552167d14607688d5e7e776901158f9ecc1bffd02211ad3ee697364456255235aa1b926953c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\F5SMSCISALNTXA14U2EN.temp

Filesize
7KB

MD5
4d0d35a1dbceb43df5c8b82354bb7d3c

SHA1
b61f638d466cbc17085cf87d509a010d2bdec6b0

SHA256
b25a91f01b14d56a0c6e155ed20a29e302d811cd013b861981b72d9a0b3797da

SHA512
cd8abd4d8dcf71f9fae2d30ad4bccb682c59b40e5f4d7ed863ccd6d384488d2b62710abfb3e90d3b542c221f81a83955d35af788becb273a729db892ebac0aef

Download Submit
memory/876-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/876-1-0x0000000000C10000-0x0000000000CF6000-memory.dmp

Filesize
920KB

Download
memory/876-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-3-0x00000000008C0000-0x00000000008D2000-memory.dmp

Filesize
72KB

Download
memory/876-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/876-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-6-0x0000000004F90000-0x0000000005050000-memory.dmp

Filesize
768KB

Download
memory/876-42-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/1912-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1912-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1912-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads