remcos | aba668928f876cddb6a89a26c039f7e09eb634f455f27bfbbd9e55f1194af840

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 2072 set thread context of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31

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
2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31
PID 2072 wrote to memory of 2728	2072	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	31

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:2072
- C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
  "C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728

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/2072-0-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000001340000-0x000000000147E000-memory.dmp

Filesize
1.2MB

Download
memory/2072-2-0x0000000001220000-0x0000000001264000-memory.dmp

Filesize
272KB

Download
memory/2072-3-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-4-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2072-5-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-6-0x0000000000920000-0x000000000093A000-memory.dmp

Filesize
104KB

Download
memory/2072-7-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/2072-23-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-18-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2728-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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