remcos | ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae

Analysis

max time kernel
148s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 07:15

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General

Target

New Order.exe
Size

1.6MB
MD5

7fde82cc2ed0a2e37d12e3ffa7fb9bac
SHA1

ac85dfe1e0f95804c20d68eb85380cdf9b6685f0
SHA256

ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae
SHA512

82f1976f99d08563c1a11c85016031675e09a8a30ca8afe14d8dd07ccbf24b628ddc9396ee439f851c6083fd65723f1e27524ac64513078b2e405af841dadecc
SSDEEP

49152:f3v+7/5QLr2hl2UbGHaUt+X79aH/Zk7vjptaT:f3v+7O2nqmr9aH/Zk7vjvE

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

192.3.64.152:2559

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-35QZU7
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 2052	2548	New Order.exe	30

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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New Order.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2548	New Order.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2548	New Order.exe
2548	New Order.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2548	New Order.exe
2548	New Order.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2052	2548	New Order.exe	30
PID 2548 wrote to memory of 2052	2548	New Order.exe	30
PID 2548 wrote to memory of 2052	2548	New Order.exe	30
PID 2548 wrote to memory of 2052	2548	New Order.exe	30
PID 2548 wrote to memory of 2052	2548	New Order.exe	30

C:\Users\Admin\AppData\Local\Temp\New Order.exe
"C:\Users\Admin\AppData\Local\Temp\New Order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2052-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-3-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2052-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2548-2-0x0000000003F10000-0x0000000004310000-memory.dmp

Filesize
4.0MB

Download