remcos | 243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
26-06-2024 01:06

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General

Target

243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe
Size

3.0MB
MD5

8afc7110cee6735ab8101a03907c5cf5
SHA1

87540c6442a4cc85ae93b160b91990147effb0db
SHA256

243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75
SHA512

206e28d5c483c1e3db5911cd1f2a16c718aaf365d1d4fa49b6fc199ec89ec8d9f06d7193f4b6271899a606977a5422516d4fae7192c298f9b37f524d9a2944fc
SSDEEP

24576:dNb8/3PJ2th3kWD19Q0eWCyOgKitufPYqOaM4T:/q/ctFkWDDQ7pBi8fPY6

Score

10^/10

remcos gp rat

Malware Config

Extracted

Family

remcos

Botnet

bossnacarpet.com:30902

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
chrome-G5E7BM
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

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 5 IoCs

resource	yara_rule
behavioral1/memory/2132-7-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2132-15-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2132-13-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2132-11-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2132-9-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral1/memory/2028-2-0x00000000021D0000-0x00000000022A2000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34

Runs regedit.exe 1 IoCs

pid	Process
2132	regedit.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2132	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	28
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2612	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	29
PID 2028 wrote to memory of 2664	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	30
PID 2028 wrote to memory of 2664	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	30
PID 2028 wrote to memory of 2664	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	30
PID 2028 wrote to memory of 2664	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	30
PID 2028 wrote to memory of 2624	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	31
PID 2028 wrote to memory of 2624	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	31
PID 2028 wrote to memory of 2624	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	31
PID 2028 wrote to memory of 2624	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	31
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2616	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	32
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2504	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	33
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34
PID 2028 wrote to memory of 2512	2028	243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe	34

C:\Users\Admin\AppData\Local\Temp\243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe
"C:\Users\Admin\AppData\Local\Temp\243f20cdb380369765796622e2e568de540cc470400cf5b0330e132e1702cd75.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\regedit.exe
  "C:\Windows\regedit.exe"
  2⤵
  - Runs regedit.exe
  PID:2132
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
  2⤵
  PID:2664
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  PID:2624
- C:\Windows\System32\calc.exe
  "C:\Windows\System32\calc.exe"
  2⤵
  PID:2616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2504
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  PID:2512
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2028-0-0x000007FEF5783000-0x000007FEF5784000-memory.dmp

Filesize
4KB

Download
memory/2028-1-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/2028-2-0x00000000021D0000-0x00000000022A2000-memory.dmp

Filesize
840KB

Download
memory/2028-3-0x000007FEF5780000-0x000007FEF616C000-memory.dmp

Filesize
9.9MB

Download
memory/2028-74-0x000007FEF5780000-0x000007FEF616C000-memory.dmp

Filesize
9.9MB

Download
memory/2132-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2132-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2132-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2132-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2132-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2132-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2132-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2132-4-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download