remcos | 607900d9daa8aa6f05df7fc05b6d080f526c39cf5d4cb2343e5474937ffa7f53

General

Target

Payment slip.exe
Size

1.1MB
MD5

2ad6b435964c1607e848b2cbde8885ee
SHA1

0800c4b079b6277aa86f434b78175da72366de3f
SHA256

930fdedab0dcc5bbd3a1ab3e50a3675e4ba0823b601ca2b9602b92657b1de006
SHA512

396712fb2b67afbf351b4d655a4ea63c7266c7dce28db7890df4c60e262295ca31fbd6baf8bc86e25f88ced4d547177edd6d0c7a020818cf020d8dbed1b1f6f4
SSDEEP

24576:PjvV3Mn2jgnuHsOzj4j85M1hUQDAxzJX4YH:PjV8BusOzj4jGM1aK4FX

Score

10^/10

remcos bin discovery rat

Malware Config

Extracted

Family

remcos

Botnet

bin

C2

cjmancool.dynamic-dns.net:3764

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-GAT2GZ
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
Remcos family
remcos

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2728	2100	Payment slip.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	Payment slip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2100	Payment slip.exe
2100	Payment slip.exe
2100	Payment slip.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	Payment slip.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31
PID 2100 wrote to memory of 2728	2100	Payment slip.exe	31

C:\Users\Admin\AppData\Local\Temp\Payment slip.exe
"C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2100-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2100-1-0x00000000009D0000-0x0000000000AEE000-memory.dmp

Filesize
1.1MB

Download
memory/2100-2-0x0000000000460000-0x00000000004A2000-memory.dmp

Filesize
264KB

Download
memory/2100-3-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2100-4-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2100-5-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2100-6-0x0000000000620000-0x000000000063A000-memory.dmp

Filesize
104KB

Download
memory/2100-7-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/2100-26-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2728-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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