remcos | 51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636

General

Target

51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
Size

1.2MB
MD5

3ea9a35d375b51a9c6b6a5e2f33aedab
SHA1

c5556b95abfbaefa4e9e4495ddb38d21994f3791
SHA256

51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636
SHA512

8088e7f066ee95caf66fb73ac68a0fe8d0394eaa3926585250eec1ca0f57e8ec1803a8c4996da7a431ed83d3713a78822a06c68e551595fa8f3f4232d995966f
SSDEEP

24576:/yVdVyi9zi02fi1jppTvCkV0uf5ZmH1OvVzPMCwbM:/g9uo5vCkCua1szU

Score

10^/10

remcos lblow discovery rat

Malware Config

Extracted

Family

remcos

Botnet

LBLOW

C2

64.188.26.202:1604

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Vexploio.exe
copy_folder
Vexplo
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-TLDR4C
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 2644 set thread context of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30

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	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30
PID 2644 wrote to memory of 2836	2644	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	30

C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
"C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
  "C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836

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/2644-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2644-1-0x0000000001230000-0x000000000136E000-memory.dmp

Filesize
1.2MB

Download
memory/2644-2-0x0000000000730000-0x0000000000774000-memory.dmp

Filesize
272KB

Download
memory/2644-3-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2644-5-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-6-0x00000000003F0000-0x000000000040A000-memory.dmp

Filesize
104KB

Download
memory/2644-7-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2644-29-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-24-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2836-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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