remcos | 91b00403de43b3c7d5f630b69934dcb1a9694c6a2cbea5eae599caa54405cf81

General

Target

d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1764 set thread context of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97

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	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.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
3484	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4356	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 3484	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	95
PID 1764 wrote to memory of 3484	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	95
PID 1764 wrote to memory of 3484	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	95
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97
PID 1764 wrote to memory of 4356	1764	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UGuRPFnn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1E4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3484
- C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4356

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

Query Registry

1

T1012

System Information Discovery

2

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\tmpC1E4.tmp

Filesize
1KB

MD5
09eca4e1da95c007bee6034f851b5134

SHA1
85f8110a7a5f8763bd965d8b4cda02724f4be4b0

SHA256
e0bc1084bd5784fb309b54b68a28dd60c3b3c2f3360502a6c256dcb6af896cbb

SHA512
e63876b9e26da4f1af862bb549255d77f1583d2269bf446f49e33bf3c7b413df82da0417363a72b9b5b93632cc0a077d9f5103705dd798eb0ab83e97d8b5dcb6

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

Filesize
74B

MD5
9bc5c4151eebc6a1174a38a4ba7c3155

SHA1
098dfd03a87a2c5bf6ff283b028098612d87c2df

SHA256
b60ecf57a907275dcd4759d6ca97e86f375ea2c7c4967aa2cfa7506f17497935

SHA512
f95f62cbd13607b6f59d4d7c17ac580fbc0d6d3bff04bcdadc72c90119a0e91378ccc4b8be26a8a07515baf8baf0ae5024d99aba1f8e583c9d1533ffdc277f65

Download Submit
memory/1764-6-0x0000000005100000-0x0000000005156000-memory.dmp

Filesize
344KB

Download
memory/1764-27-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1764-4-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/1764-5-0x0000000004E00000-0x0000000004E0A000-memory.dmp

Filesize
40KB

Download
memory/1764-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1764-7-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1764-2-0x0000000004D50000-0x0000000004DEC000-memory.dmp

Filesize
624KB

Download
memory/1764-9-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1764-10-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1764-11-0x0000000000C20000-0x0000000000C74000-memory.dmp

Filesize
336KB

Download
memory/1764-3-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/1764-8-0x00000000050E0000-0x00000000050EA000-memory.dmp

Filesize
40KB

Download
memory/1764-1-0x0000000000310000-0x00000000003B4000-memory.dmp

Filesize
656KB

Download
memory/4356-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4356-21-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads