remcos | e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 01:50

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General

Target

e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
Size

878KB
MD5

80cfda135a7c57063e8eb5a38660ae07
SHA1

212fdff074e62dae3a52a771fc86fdf39d0c0104
SHA256

e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf
SHA512

e3132b360e6e56f6e1e87530c88cb5594052d29fc13fc3f7b2777b81bf02c0c22fbb8cf81cbd55aae1551d4a59ffb9c4e69ba31a79499211c1de8703757ab691
SSDEEP

24576:zcB82Da9a3eu75lyvIgVIus7NZ4dUpoC1n1:469aOu736Ig0N/F11

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.projectusf.com:2404

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
gfh
mouse_option
false
mutex
Rmc-J91LMC
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
2240	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33

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	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.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	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.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
2852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2240	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3024	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2240	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	29
PID 1744 wrote to memory of 2240	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	29
PID 1744 wrote to memory of 2240	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	29
PID 1744 wrote to memory of 2240	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	29
PID 1744 wrote to memory of 2852	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	31
PID 1744 wrote to memory of 2852	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	31
PID 1744 wrote to memory of 2852	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	31
PID 1744 wrote to memory of 2852	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	31
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33
PID 1744 wrote to memory of 3024	1744	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	33

C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
"C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uEOzlLKIrzO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2240
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uEOzlLKIrzO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DAE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2852
- C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
  "C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
ab1584a2f184dd34a2b90955c9ac228c

SHA1
587901c7a63f04b5748fbb5b4f5c61f54dfe9803

SHA256
1f5d8463f60817c675123cc8bf76dd2f31ed6c54e2ab2508ee5faad606f3b28c

SHA512
a650abef62761ba40e923b6a2e0d933bfc05ea5de921dc58b7473cc00e94b6d30b5364c0d06036ac648669d958d64790dc2b27550f518009952936e0d5501576

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1DAE.tmp

Filesize
1KB

MD5
eef6d33d44576fb51f95e597285a8f96

SHA1
f276db38cda67628fd4313575f7784b6048584c2

SHA256
9e6fefaf1bd211924732d2db407167dca01606c1fb7f63e0b045567feaf34ae2

SHA512
f49bb2dee3f0c3c3203325a67387a4c7c93f5ad04c08694acdc71789dfecc28ece0081e3fd6dbc3071d2614285e1e211848342dca7c956fa2498ff4b46590dfc

Download Submit
memory/1744-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1744-1-0x0000000000E70000-0x0000000000F52000-memory.dmp

Filesize
904KB

Download
memory/1744-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-3-0x0000000005630000-0x000000000570A000-memory.dmp

Filesize
872KB

Download
memory/1744-4-0x0000000000530000-0x0000000000540000-memory.dmp

Filesize
64KB

Download
memory/1744-5-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1744-6-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-7-0x0000000005A30000-0x0000000005AF0000-memory.dmp

Filesize
768KB

Download
memory/1744-36-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3024-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3024-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download