remcos | bb0744d4ced4ae37ff0342a47c570a9423e2f1d62f9902be853f40a93bf8fe6b

General

Target

JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe
Size

990KB
MD5

d0aea94abf1bcc2a1600864354f1e5ec
SHA1

c7986c48e80ecc86882b716e98116552a6d9def3
SHA256

bb0744d4ced4ae37ff0342a47c570a9423e2f1d62f9902be853f40a93bf8fe6b
SHA512

35d70894ba8418391845de195625f23300c3562802fddb67209d33bd91d38a3b3cc25419084500241a15034111bc0e90e250052637348609e6b08b4df0a859bc
SSDEEP

24576:ruvMIpIyF/xykkHeRqaHMurfE/WlBCuPWDEEzpI:rAx5h2CqAMqBBST

Score

10^/10

remcos p'salm 55 2p's discovery execution rat

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

P'salm 55 2P's

C2

jahblessrtd4ever.home-webserver.de:2021

grace2021.duckdns.org:2021

grace2020.home-webserver.de:2021

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
true.exe
copy_folder
true
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
winlogs.dat
keylog_flag
false
keylog_folder
winloga
keylog_path
%AppData%
mouse_option
false
mutex
true-meta-M5BR05
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
true
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2600	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.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 4 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe
2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe
2600	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe
Token: SeDebugPrivilege	2600	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2116	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2600	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	30
PID 2644 wrote to memory of 2600	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	30
PID 2644 wrote to memory of 2600	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	30
PID 2644 wrote to memory of 2600	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	30
PID 2644 wrote to memory of 2932	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	32
PID 2644 wrote to memory of 2932	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	32
PID 2644 wrote to memory of 2932	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	32
PID 2644 wrote to memory of 2932	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	32
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34
PID 2644 wrote to memory of 2116	2644	JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0aea94abf1bcc2a1600864354f1e5ec.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2600
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SzlCdkqLymFOaC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA60F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2932
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\winloga\winlogs.dat

Filesize
184B

MD5
6d5092f336363f18c9f985e053feb132

SHA1
1114239ab30c1a2ddfed79c9b3288daab4638c0a

SHA256
2f96fcd5dbb6995e591154fe2bdcd0b6caadf1fa849e30125395b1977cc2496b

SHA512
6c61a15e85987f2d955aee28aed1ad65f4027a91d8b6dd222b5fa5db493d43230d42cde4d2d40b3900f3a0de29597fc2f994fff9a155fc9fab2d137595ca7e42

Download Submit
memory/2116-21-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-19-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-29-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2116-13-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-17-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-31-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-35-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-15-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-30-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-25-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-23-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-28-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2116-32-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2644-2-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2644-7-0x0000000008390000-0x0000000008408000-memory.dmp

Filesize
480KB

Download
memory/2644-6-0x00000000081F0000-0x000000000828C000-memory.dmp

Filesize
624KB

Download
memory/2644-5-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-4-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2644-3-0x0000000000440000-0x000000000044E000-memory.dmp

Filesize
56KB

Download
memory/2644-38-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-1-0x0000000001130000-0x000000000122E000-memory.dmp

Filesize
1016KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads