remcos | ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae

General

Target

ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.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

C2

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 964 set thread context of 3616	964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe	87

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	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe
964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe
964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 3616	964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe	87
PID 964 wrote to memory of 3616	964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe	87
PID 964 wrote to memory of 3616	964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe	87
PID 964 wrote to memory of 3616	964	ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe	87

C:\Users\Admin\AppData\Local\Temp\ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe
"C:\Users\Admin\AppData\Local\Temp\ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.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:964
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\ce4ca0f82dffa3a7664b76552994b9d86c1f079ddda85989b18101a0298f89ae.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/964-2-0x0000000004470000-0x0000000004870000-memory.dmp

Filesize
4.0MB

Download
memory/3616-3-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-4-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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