remcos | 379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 11:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe
Size

456KB
MD5

a06036b9088a5e1dcbd2508f1d42bf39
SHA1

2dfd0233f02197354964b2b1ef5b33ea39b16a32
SHA256

379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b
SHA512

4b55f35ec7b68c8bcce0492b42f521f6a8e05f454a26f54e4dffaa3e50dfbeaebe23f512683940b7dd36042c2f34c67bb6145d076710275285ef389af846f457
SSDEEP

6144:HtrrIp3RuRORfu4drGNF4KaxgnczacL5gKGTcP+CSJzSU9x20lg:lIpwFjdWPxsWg3l

Score

10^/10

remcos remotehost discovery persistence rat

Malware Config

Extracted

Family

remcos

Version

5.1.1 Light

Botnet

RemoteHost

80.66.75.47:55777

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-N4B7T0
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 NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1164 created 3596	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	56

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ujmmi = "C:\\Users\\Admin\\documents\\Ujmmi.exe"	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1164 set thread context of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95

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	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe
Token: SeDebugPrivilege	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95
PID 1164 wrote to memory of 2172	1164	SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3596
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1164
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2172

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:8
1⤵
PID:1396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1164-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/1164-1-0x00000000008F0000-0x0000000000968000-memory.dmp

Filesize
480KB

Download
memory/1164-2-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-3-0x0000000005D20000-0x0000000005E36000-memory.dmp

Filesize
1.1MB

Download
memory/1164-13-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-19-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-65-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-67-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-63-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-61-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-59-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-57-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-55-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-53-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-49-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-47-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-45-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-43-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-41-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-51-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-39-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-37-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-35-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-33-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-31-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-29-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-27-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-25-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-23-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-21-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-17-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-15-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-11-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-9-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-7-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-5-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-4-0x0000000005D20000-0x0000000005E30000-memory.dmp

Filesize
1.1MB

Download
memory/1164-1078-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-1079-0x0000000005EF0000-0x0000000005F80000-memory.dmp

Filesize
576KB

Download
memory/1164-1080-0x0000000005F80000-0x0000000005FCC000-memory.dmp

Filesize
304KB

Download
memory/1164-1081-0x00000000068F0000-0x0000000006E94000-memory.dmp

Filesize
5.6MB

Download
memory/1164-1082-0x0000000006050000-0x00000000060A4000-memory.dmp

Filesize
336KB

Download
memory/1164-1087-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-1089-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-1088-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-1092-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2172-1094-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/2172-1102-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download