remcos | 91b00403de43b3c7d5f630b69934dcb1a9694c6a2cbea5eae599caa54405cf81

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 15:54

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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

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 2016 set thread context of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38

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
768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2064	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 768	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	32
PID 2016 wrote to memory of 768	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	32
PID 2016 wrote to memory of 768	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	32
PID 2016 wrote to memory of 768	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	32
PID 2016 wrote to memory of 1752	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	34
PID 2016 wrote to memory of 1752	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	34
PID 2016 wrote to memory of 1752	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	34
PID 2016 wrote to memory of 1752	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	34
PID 2016 wrote to memory of 2632	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	35
PID 2016 wrote to memory of 2632	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	35
PID 2016 wrote to memory of 2632	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	35
PID 2016 wrote to memory of 2632	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	35
PID 2016 wrote to memory of 2764	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	36
PID 2016 wrote to memory of 2764	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	36
PID 2016 wrote to memory of 2764	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	36
PID 2016 wrote to memory of 2764	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	36
PID 2016 wrote to memory of 2844	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	37
PID 2016 wrote to memory of 2844	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	37
PID 2016 wrote to memory of 2844	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	37
PID 2016 wrote to memory of 2844	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	37
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38
PID 2016 wrote to memory of 2064	2016	d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe	38

C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UGuRPFnn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2FF6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:768
- C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe"
  2⤵
  PID:1752
- C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe"
  2⤵
  PID:2632
- C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe"
  2⤵
  PID:2764
- C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d24c89b8ad4bcabbf5c19ec12a39576f_JaffaCakes118.exe"
  2⤵
  PID:2844
- 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:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2FF6.tmp

Filesize
1KB

MD5
8de36df9d8932dae706de11e5531f2ec

SHA1
aa5fb8572c281223430bbfd10b5e098853efa970

SHA256
75be283e27c09f191d1fa3e82927695ee7eb12cb0aa497e44782c94612b33e2c

SHA512
2d0c2c5d7b1b870c40ccc3f9c9821c55720298abb8f33a12d22b7ad89014b4f01678e3c3b5260cd129302f9d8ff03858ea93630da95a31de70ae66e01b29ad72

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

Filesize
74B

MD5
165b3a90b3e4bd74839079a749a2c5ca

SHA1
ba14c861f6f476d4e7cfbe7a60990ebdf6be84c8

SHA256
fb1ec07bf1ab3a9fe70945444c25524cf4d7b7abb6f6491f9b612765e908318c

SHA512
7eec858ee7163a251b89cf171ab0a4837d87ffa6d1010bb22d7f726cdccb71418c74e4ba31f45260bcc1aca630dc5ccee3b17ad46461105989eee31e1129cd06

Download Submit
memory/2016-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2016-1-0x0000000000270000-0x0000000000314000-memory.dmp

Filesize
656KB

Download
memory/2016-2-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2016-3-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/2016-4-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2016-5-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2016-6-0x00000000048A0000-0x00000000048F4000-memory.dmp

Filesize
336KB

Download
memory/2016-35-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2064-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2064-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-44-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-47-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-50-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2064-53-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download