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 4012 set thread context of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93

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
4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93
PID 4012 wrote to memory of 736	4012	51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe	93

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:4012
- C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
  "C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:736

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/736-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/736-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4012-6-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4012-7-0x0000000005B70000-0x0000000005B7A000-memory.dmp

Filesize
40KB

Download
memory/4012-11-0x00000000071B0000-0x00000000071CA000-memory.dmp

Filesize
104KB

Download
memory/4012-10-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4012-16-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4012-9-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/4012-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4012-12-0x00000000071D0000-0x00000000071D6000-memory.dmp

Filesize
24KB

Download
memory/4012-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/4012-5-0x0000000006150000-0x0000000006194000-memory.dmp

Filesize
272KB

Download
memory/4012-4-0x0000000005830000-0x00000000058CC000-memory.dmp

Filesize
624KB

Download
memory/4012-3-0x00000000056F0000-0x0000000005782000-memory.dmp

Filesize
584KB

Download
memory/4012-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

Filesize
5.6MB

Download
memory/4012-1-0x0000000000770000-0x00000000008AE000-memory.dmp

Filesize
1.2MB

Download

Analysis

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