remcos | b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 09:28

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General

Target

b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe
Size

3.3MB
MD5

483c61ca181ccbf249270b53d4fb7f1e
SHA1

6fbcba9ea186df3823f3b5e5834f2804673c6dc6
SHA256

b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67
SHA512

c4f63a4d30ce35d989e085e4ef4699308b686c8b5a2de8f71eb7ba8957b75fe96daac3d86764148c63e081e2d3e29960c4425e15eadd0c2884c89ef060441f92
SSDEEP

98304:7UDo0WoJfveUgbIAGCyerat5Tr2NwpHy2/l5CdnSQ:CWAXKbIRpiaDTaNES2//CdP

Score

10^/10

remcos data discovery rat

Malware Config

Extracted

Family

remcos

Botnet

Data

185.156.175.35:19101

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-O34PIB
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 4308 set thread context of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92

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	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe
4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe
4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe
4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe
4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe
4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4536	AddInProcess32.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 1300	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	90
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 3768	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	91
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92
PID 4308 wrote to memory of 4536	4308	b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe	92

C:\Users\Admin\AppData\Local\Temp\b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe
"C:\Users\Admin\AppData\Local\Temp\b56ad4e991a92dafb41f0b1d7a08d5ff23673f360b880166cdaf67274861ed67.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4308
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:1300
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:3768
- 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
  - Suspicious use of SetWindowsHookEx
  PID:4536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
fb1f3f09645197da88b2cdece0128f07

SHA1
6de97cfad46279fdc37b816d36c6a74419c50ac6

SHA256
63e3266486209b173fe92fe0fed3f5721dce0c21b400b550f471a86cabdad9d9

SHA512
9759b66e47fce7412405ea6a5e599884f9ba668a4837a120b9ccbe225b310dc7cee4be5e8ffa82a18e03c4fcb5477f1e45c3217d283181ff27478d3c6320e4bd

Download Submit
memory/4308-8-0x0000000010610000-0x00000000106A2000-memory.dmp

Filesize
584KB

Download
memory/4308-7-0x0000000010BC0000-0x0000000011164000-memory.dmp

Filesize
5.6MB

Download
memory/4308-3-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4308-4-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/4308-9-0x0000000006090000-0x0000000006096000-memory.dmp

Filesize
24KB

Download
memory/4308-6-0x000000000AC80000-0x000000000AF42000-memory.dmp

Filesize
2.8MB

Download
memory/4308-2-0x00000000056D0000-0x000000000576C000-memory.dmp

Filesize
624KB

Download
memory/4308-25-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4308-5-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4308-10-0x000000000AF80000-0x000000000AF8A000-memory.dmp

Filesize
40KB

Download
memory/4308-11-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4308-12-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4308-13-0x0000000005F00000-0x0000000005F1A000-memory.dmp

Filesize
104KB

Download
memory/4308-14-0x0000000005F40000-0x0000000005F46000-memory.dmp

Filesize
24KB

Download
memory/4308-1-0x0000000000200000-0x0000000000556000-memory.dmp

Filesize
3.3MB

Download
memory/4308-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/4536-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4536-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download