remcos | b5de4a5e45c2c65657cd5c4a1cfd91888b889646e7098c7642c63dac118bbf71

General

Target

Template Master Vendor_SAP.xIsx.exe
Size

634KB
MD5

d24c89b8ad4bcabbf5c19ec12a39576f
SHA1

1891893858178353c295d55533e196d2d4d2c1c9
SHA256

91b00403de43b3c7d5f630b69934dcb1a9694c6a2cbea5eae599caa54405cf81
SHA512

1c0710ed94fe8e102bce0af9015ab72356c7129863d76dc36c3c44fd904aafd60e61e0d433faf9936f76cbd3d100ef1e9fe6f81ae23fd41ae411c5757277b38e
SSDEEP

12288:r+/VWUgZUeBcW5LVg4RJlj68Fjh+8PgpUM4xQ:r+NWUgZ1OuJM8F4cgpUvx

Score

10^/10

remcos graceland2021 discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.1 Pro

Botnet

GRACELAND2021

C2

graceland2021.ddns.net:1313

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-RCTAWU
screenshot_crypt
false
screenshot_flag
true
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
01
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

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 1724 set thread context of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34

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 3 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Template Master Vendor_SAP.xIsx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Template Master Vendor_SAP.xIsx.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3064	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1724	Template Master Vendor_SAP.xIsx.exe
1724	Template Master Vendor_SAP.xIsx.exe
1724	Template Master Vendor_SAP.xIsx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	Template Master Vendor_SAP.xIsx.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1540	Template Master Vendor_SAP.xIsx.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 3064	1724	Template Master Vendor_SAP.xIsx.exe	31
PID 1724 wrote to memory of 3064	1724	Template Master Vendor_SAP.xIsx.exe	31
PID 1724 wrote to memory of 3064	1724	Template Master Vendor_SAP.xIsx.exe	31
PID 1724 wrote to memory of 3064	1724	Template Master Vendor_SAP.xIsx.exe	31
PID 1724 wrote to memory of 1848	1724	Template Master Vendor_SAP.xIsx.exe	33
PID 1724 wrote to memory of 1848	1724	Template Master Vendor_SAP.xIsx.exe	33
PID 1724 wrote to memory of 1848	1724	Template Master Vendor_SAP.xIsx.exe	33
PID 1724 wrote to memory of 1848	1724	Template Master Vendor_SAP.xIsx.exe	33
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34
PID 1724 wrote to memory of 1540	1724	Template Master Vendor_SAP.xIsx.exe	34

C:\Users\Admin\AppData\Local\Temp\Template Master Vendor_SAP.xIsx.exe
"C:\Users\Admin\AppData\Local\Temp\Template Master Vendor_SAP.xIsx.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UGuRPFnn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF95C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3064
- C:\Users\Admin\AppData\Local\Temp\Template Master Vendor_SAP.xIsx.exe
  "C:\Users\Admin\AppData\Local\Temp\Template Master Vendor_SAP.xIsx.exe"
  2⤵
  PID:1848
- C:\Users\Admin\AppData\Local\Temp\Template Master Vendor_SAP.xIsx.exe
  "C:\Users\Admin\AppData\Local\Temp\Template Master Vendor_SAP.xIsx.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF95C.tmp

Filesize
1KB

MD5
35f4091d5b775ead8445c4ce92e8a749

SHA1
72e6e31610717330eddec8dfd0d01a636a2bb0d4

SHA256
1b1dac452099ebca966cb57dda33ef36dc1b675a0a67db555459c84a4ec32d08

SHA512
af1ab8da17c32b33bfd2d819c693e891c016d4217b3d121079442d49adf07c36537a7a00c00006b85800eeb9d755c1c69690a01f020537683f57f0e743e78056

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
74B

MD5
d483a89f1b367f22dd2f8baa0913fe3a

SHA1
f0f30386ab33ec0c57c120b156c72082b0ed7c0b

SHA256
7897ab93fd8f9ee0b632f9410b86f7473959d9c1e70363c97715c98959296b87

SHA512
463080af90fdd2265359544a9b8c68cc8b2e2ba95caa49f526faab33994c25f7ea8eace1975b018bcee812169d80deddedb4b592039e3c115eecd741bdac52d6

Download Submit
memory/1540-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-46-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-21-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1540-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1540-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1724-29-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/1724-3-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/1724-2-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-6-0x00000000046E0000-0x0000000004734000-memory.dmp

Filesize
336KB

Download
memory/1724-5-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-1-0x0000000000010000-0x00000000000B4000-memory.dmp

Filesize
656KB

Download
memory/1724-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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