remcos | 9a00523dfd6d321adb4fffbb54a1550055dde6301dddba3a5157a4169b11d462

Analysis

max time kernel
151s
max time network
136s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
13/10/2023, 05:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

GUHUDES23ED.exe
Size

1.4MB
MD5

2279756982754f30b1c3a047acb5fb3c
SHA1

da6889d365c47ac46a16f1b3409d04c5778e4d50
SHA256

9a00523dfd6d321adb4fffbb54a1550055dde6301dddba3a5157a4169b11d462
SHA512

9d741a15ba84d386e641854a2ddeb934424c64d2543e2ec34cf5f9d042932e2a075daf109c540310e0c887e0e32825ae8d9967bb32bd7b23c869123f08bf18d8
SSDEEP

24576:VwOx9JKFIb6bQFf4SVuoOlwFjF0VbJszH2bF:zk90FQTlfJsz2

Score

10^/10

remcos hosyt rat

Malware Config

Extracted

Family

remcos

Botnet

HOSYT

194.147.140.246:1998

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-QOYAK6
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 2352	2204	GUHUDES23ED.exe	35

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

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/Job

T1053

pid	Process
2636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2204	GUHUDES23ED.exe
2612	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	GUHUDES23ED.exe
Token: SeDebugPrivilege	2612	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2352	GUHUDES23ED.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2612	2204	GUHUDES23ED.exe	30
PID 2204 wrote to memory of 2612	2204	GUHUDES23ED.exe	30
PID 2204 wrote to memory of 2612	2204	GUHUDES23ED.exe	30
PID 2204 wrote to memory of 2612	2204	GUHUDES23ED.exe	30
PID 2204 wrote to memory of 2636	2204	GUHUDES23ED.exe	32
PID 2204 wrote to memory of 2636	2204	GUHUDES23ED.exe	32
PID 2204 wrote to memory of 2636	2204	GUHUDES23ED.exe	32
PID 2204 wrote to memory of 2636	2204	GUHUDES23ED.exe	32
PID 2204 wrote to memory of 2524	2204	GUHUDES23ED.exe	34
PID 2204 wrote to memory of 2524	2204	GUHUDES23ED.exe	34
PID 2204 wrote to memory of 2524	2204	GUHUDES23ED.exe	34
PID 2204 wrote to memory of 2524	2204	GUHUDES23ED.exe	34
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35
PID 2204 wrote to memory of 2352	2204	GUHUDES23ED.exe	35

C:\Users\Admin\AppData\Local\Temp\GUHUDES23ED.exe
"C:\Users\Admin\AppData\Local\Temp\GUHUDES23ED.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gmhPbe.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gmhPbe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp690F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2636
- C:\Users\Admin\AppData\Local\Temp\GUHUDES23ED.exe
  "C:\Users\Admin\AppData\Local\Temp\GUHUDES23ED.exe"
  2⤵
  PID:2524
- C:\Users\Admin\AppData\Local\Temp\GUHUDES23ED.exe
  "C:\Users\Admin\AppData\Local\Temp\GUHUDES23ED.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
44563327749dd9ae0a42d87f75f4ce4c

SHA1
324ae12c38df11c1fcfe8462569ac50d8778679d

SHA256
1208fa7842ae77fd0a325de63ed13b6291700c62a3677e0b06cef28e2c766f35

SHA512
52c39e243534084223a15e91716d76e1e6ddbbbf18fd4396a8aba2673fe2061f00d1aad68258dfcabdc6b2df841152ee204b89ce4eacf9c9a8ce2fa59177844f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp690F.tmp

Filesize
1KB

MD5
b4be3b9d62ce8d03b8146737db53ad33

SHA1
7c709a4aa0909b1b6a92d1d0d2eceeae786331fd

SHA256
030b3396aa6001e73bf5416aefd7678d2be3b66c7581bf26e10f59ada49f4a6b

SHA512
65b7328307907b81aa66ec1a8f7645c8c7020c84893a06a7d125be48f58de351ef94f6b658084347e7459ed55955a49b84053959a811ee692c473018f29417a4

Download Submit
memory/2204-0-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2204-1-0x0000000000060000-0x00000000001CC000-memory.dmp

Filesize
1.4MB

Download
memory/2204-2-0x0000000004A30000-0x0000000004A70000-memory.dmp

Filesize
256KB

Download
memory/2204-3-0x0000000000660000-0x000000000067C000-memory.dmp

Filesize
112KB

Download
memory/2204-4-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2204-5-0x0000000004A30000-0x0000000004A70000-memory.dmp

Filesize
256KB

Download
memory/2204-6-0x0000000000530000-0x0000000000540000-memory.dmp

Filesize
64KB

Download
memory/2204-7-0x0000000005F50000-0x0000000006008000-memory.dmp

Filesize
736KB

Download
memory/2204-34-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2352-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-17-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2352-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-31-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-15-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-14-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-36-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-13-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-67-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-16-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-66-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-59-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-43-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-44-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-58-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-50-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2352-51-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2612-39-0x000000006EC60000-0x000000006F20B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-48-0x000000006EC60000-0x000000006F20B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-40-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/2612-41-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/2612-38-0x000000006EC60000-0x000000006F20B000-memory.dmp

Filesize
5.7MB

Download