remcos | e453df70a43c13e5369e84d709be914f98bd1035d4efee09d090572baa1845d1

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 07:48

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General

Target

List of Items and Sample.exe
Size

956KB
MD5

acc101b06dee1bb3c2e0a09fc08ad399
SHA1

02b6f05ba7ecb9be36ba49047bf3eb22a27af71f
SHA256

e453df70a43c13e5369e84d709be914f98bd1035d4efee09d090572baa1845d1
SHA512

7f8195f641c2cc8998c4617b6f55854a71d8d2d2d78efd6b4e689d18369146aaeed93ba069d6dd85192269f40b85eb304d8f0f4f475f333d72c90ff99b618fa8
SSDEEP

24576:s1xuUtn6ZNK/WOOiaZ36U7yXlJOVvXTJ315C/wynNBmZt1s:sbuUt6ZNai8Ue1ONC/PNBmD1s

Score

10^/10

remcos rat

Malware Config

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2752	powershell.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe
2224	List of Items and Sample.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	List of Items and Sample.exe
Token: SeDebugPrivilege	2752	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2752	2224	List of Items and Sample.exe	30
PID 2224 wrote to memory of 2752	2224	List of Items and Sample.exe	30
PID 2224 wrote to memory of 2752	2224	List of Items and Sample.exe	30
PID 2224 wrote to memory of 2752	2224	List of Items and Sample.exe	30
PID 2224 wrote to memory of 2832	2224	List of Items and Sample.exe	32
PID 2224 wrote to memory of 2832	2224	List of Items and Sample.exe	32
PID 2224 wrote to memory of 2832	2224	List of Items and Sample.exe	32
PID 2224 wrote to memory of 2832	2224	List of Items and Sample.exe	32
PID 2224 wrote to memory of 2604	2224	List of Items and Sample.exe	34
PID 2224 wrote to memory of 2604	2224	List of Items and Sample.exe	34
PID 2224 wrote to memory of 2604	2224	List of Items and Sample.exe	34
PID 2224 wrote to memory of 2604	2224	List of Items and Sample.exe	34
PID 2224 wrote to memory of 2604	2224	List of Items and Sample.exe	34
PID 2224 wrote to memory of 2604	2224	List of Items and Sample.exe	34
PID 2224 wrote to memory of 2604	2224	List of Items and Sample.exe	34
PID 2224 wrote to memory of 2604	2224	List of Items and Sample.exe	34

C:\Users\Admin\AppData\Local\Temp\List of Items and Sample.exe
"C:\Users\Admin\AppData\Local\Temp\List of Items and Sample.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LwuUUwwKgcIC.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LwuUUwwKgcIC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE234.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\List of Items and Sample.exe
  "C:\Users\Admin\AppData\Local\Temp\List of Items and Sample.exe"
  2⤵
  PID:2604

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE234.tmp

Filesize
1KB

MD5
1db61f55bde002a1869315e6746401c7

SHA1
e2bf83b470b1fb052f8b541b37961c06a27faf2c

SHA256
0e35553d5974e7a7230e0f7dda885ef017307151ce2ce5c58d7ccfaf16695ed5

SHA512
420ee000069779832c83655e5c0639a9f8c72d68d3d0f2d8a7c4ac5240df4a38f983f5f63f8eb21177a64e0a64c43eb16db25ece0b54cdb3fdea626e8386130d

Download Submit
memory/2224-25-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-1-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-2-0x0000000004EE0000-0x0000000004F20000-memory.dmp

Filesize
256KB

Download
memory/2224-3-0x00000000003C0000-0x00000000003D8000-memory.dmp

Filesize
96KB

Download
memory/2224-4-0x00000000005C0000-0x00000000005C8000-memory.dmp

Filesize
32KB

Download
memory/2224-5-0x0000000000860000-0x000000000086C000-memory.dmp

Filesize
48KB

Download
memory/2224-6-0x0000000005FC0000-0x000000000607A000-memory.dmp

Filesize
744KB

Download
memory/2224-0-0x00000000012E0000-0x00000000013D6000-memory.dmp

Filesize
984KB

Download
memory/2224-27-0x0000000004EE0000-0x0000000004F20000-memory.dmp

Filesize
256KB

Download
memory/2604-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2604-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-23-0x000000006E890000-0x000000006EE3B000-memory.dmp

Filesize
5.7MB

Download
memory/2752-24-0x0000000002500000-0x0000000002540000-memory.dmp

Filesize
256KB

Download
memory/2752-26-0x0000000002500000-0x0000000002540000-memory.dmp

Filesize
256KB

Download
memory/2752-28-0x000000006E890000-0x000000006EE3B000-memory.dmp

Filesize
5.7MB

Download