remcos | e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
1620	powershell.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91

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
4972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1620	powershell.exe
1620	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2232	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 1620	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	87
PID 1444 wrote to memory of 1620	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	87
PID 1444 wrote to memory of 1620	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	87
PID 1444 wrote to memory of 4972	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	89
PID 1444 wrote to memory of 4972	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	89
PID 1444 wrote to memory of 4972	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	89
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91
PID 1444 wrote to memory of 2232	1444	e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe	91

C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
"C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444
- 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:1620
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uEOzlLKIrzO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB95D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4972
- 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:2232

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
0810bd650ca1e28ef1a2e1a6dcd84495

SHA1
a1ef1ca652fa117e3ea242d798b181d2370e93bb

SHA256
4fbe459773bdabbe89d3c5387a410c611100faa7f033846651983b1b9299ac03

SHA512
4caf9f422bda01d69931082b595e9901ecb6649e642e9960a27146136195002657e4ccf56ec1a782504e0abfa2056b26211b315488b943bb1ee8483119f630d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dyyqyssy.gzp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB95D.tmp

Filesize
1KB

MD5
9b259844e79e4aa7a2a9e6bb50b08f40

SHA1
e46ad42e8a79c3f10c924fd461c48457b011e1ab

SHA256
b607e11b19b3b5f2925e302bf47661d55e490802137b02e16f0d85ab46c38179

SHA512
8ba3c6d3f6538bcd23050e1993d7f5dd597e0914e5378d092774a33a9b4a791e9e9ab2405547bc7a89ec56b1a46e5782036d62a5fbf8232ff511e67ad33c6e36

Download Submit
memory/1444-45-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1444-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/1444-3-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/1444-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1444-5-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/1444-6-0x0000000006710000-0x00000000067EA000-memory.dmp

Filesize
872KB

Download
memory/1444-7-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/1444-8-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/1444-9-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1444-10-0x00000000067F0000-0x00000000068B0000-memory.dmp

Filesize
768KB

Download
memory/1444-11-0x00000000091C0000-0x000000000925C000-memory.dmp

Filesize
624KB

Download
memory/1444-1-0x00000000005E0000-0x00000000006C2000-memory.dmp

Filesize
904KB

Download
memory/1444-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/1620-61-0x0000000008220000-0x000000000889A000-memory.dmp

Filesize
6.5MB

Download
memory/1620-67-0x0000000007E20000-0x0000000007E34000-memory.dmp

Filesize
80KB

Download
memory/1620-24-0x0000000005A00000-0x0000000005A66000-memory.dmp

Filesize
408KB

Download
memory/1620-28-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1620-34-0x00000000061B0000-0x0000000006504000-memory.dmp

Filesize
3.3MB

Download
memory/1620-17-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1620-16-0x0000000002F80000-0x0000000002FB6000-memory.dmp

Filesize
216KB

Download
memory/1620-73-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1620-69-0x0000000007F00000-0x0000000007F08000-memory.dmp

Filesize
32KB

Download
memory/1620-23-0x0000000005990000-0x00000000059F6000-memory.dmp

Filesize
408KB

Download
memory/1620-22-0x00000000058F0000-0x0000000005912000-memory.dmp

Filesize
136KB

Download
memory/1620-18-0x0000000005B80000-0x00000000061A8000-memory.dmp

Filesize
6.2MB

Download
memory/1620-20-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1620-65-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

Filesize
68KB

Download
memory/1620-68-0x0000000007F20000-0x0000000007F3A000-memory.dmp

Filesize
104KB

Download
memory/1620-66-0x0000000007E10000-0x0000000007E1E000-memory.dmp

Filesize
56KB

Download
memory/1620-46-0x0000000006990000-0x00000000069DC000-memory.dmp

Filesize
304KB

Download
memory/1620-44-0x00000000068A0000-0x00000000068BE000-memory.dmp

Filesize
120KB

Download
memory/1620-49-0x000000006F870000-0x000000006F8BC000-memory.dmp

Filesize
304KB

Download
memory/1620-59-0x0000000006E70000-0x0000000006E8E000-memory.dmp

Filesize
120KB

Download
memory/1620-60-0x0000000007AE0000-0x0000000007B83000-memory.dmp

Filesize
652KB

Download
memory/1620-48-0x0000000007AA0000-0x0000000007AD2000-memory.dmp

Filesize
200KB

Download
memory/1620-62-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

Filesize
104KB

Download
memory/1620-63-0x0000000007C50000-0x0000000007C5A000-memory.dmp

Filesize
40KB

Download
memory/1620-64-0x0000000007E60000-0x0000000007EF6000-memory.dmp

Filesize
600KB

Download
memory/2232-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-92-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-101-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-116-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-120-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-122-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-125-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-129-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-133-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-136-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-139-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-142-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-143-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-145-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-146-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-147-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-149-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-150-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2232-151-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download