remcos | 2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b

General

Target

JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe
Size

865KB
MD5

3c233fa5f810458d6cb5f3e6b8082de9
SHA1

ae030b899aabac01fe2097a5c3337fc271e4e4de
SHA256

2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b
SHA512

e6ee9233b47fb995cc39b8cd906a20e95ca2cca2c5eaaf1a362e4ced28433eb76eca351ae6161475b5a03e699c5cef810cc26319db4c83fce84e2fd9ecf4ba3f
SSDEEP

12288:fJm3e1/2vaW5OkMx8Pt2WVhv7TvBCXTB7vLyh3dTeDyoYtZ8/Eh1F87E3:ceYvn5dNT7/v8DBD+LeW3/0Eh1h3

Score

10^/10

remcos max discovery rat

Malware Config

Extracted

Family

remcos

Version

3.0.1 Pro

Botnet

MAX

C2

dondada.ddns.net:2137

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
sdfghg.exe
copy_folder
ljhsdff
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
wewrrere-U9U07V
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
asdfghjb
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
Remcos family
remcos
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 876 set thread context of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31
PID 876 wrote to memory of 2428	876	JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e3aac647baad79d2307ecf42e0b6e29cf89f91bdf542694c84ee2fc1925214b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "{path}"
  2⤵
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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/876-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/876-1-0x0000000000CD0000-0x0000000000DAE000-memory.dmp

Filesize
888KB

Download
memory/876-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-3-0x0000000000330000-0x0000000000338000-memory.dmp

Filesize
32KB

Download
memory/876-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/876-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-6-0x00000000051D0000-0x000000000529E000-memory.dmp

Filesize
824KB

Download
memory/876-26-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2428-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-22-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-16-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-24-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-21-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-20-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-18-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-10-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2428-8-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

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