remcos | 825e1c58bb0be9371faab57df786e8b8045e40760a7b64e8cb9fe27a002933a1

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 08:27

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General

Target

d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe
Size

108KB
MD5

d5f350ee7979faf0100cf9a9bb5c1f94
SHA1

558964875606b3cfebe926c6b3a52e77aa83f41c
SHA256

825e1c58bb0be9371faab57df786e8b8045e40760a7b64e8cb9fe27a002933a1
SHA512

528f891bffbbfcf24da800ed6da5b5780ef6ceb0f5db9c04cca1465276a7b10dc1a49491631f1552785d929fa803ad57175859b3b17c685ec1c38342b2dbb9e2
SSDEEP

3072:eFNUcekHxRkuHxSWMDUajQJf/p/itxBCBpEzImXntvHI+zIcERrp5:eHUcLxRkuRSWMDUaGf/p/sxWpEzImXtm

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Version

2.0.5 Pro

Botnet

RemoteHost

79.172.242.28:2404

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
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-6PPTSU
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5

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 2448 set thread context of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83

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	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83
PID 2448 wrote to memory of 1808	2448	d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5f350ee7979faf0100cf9a9bb5c1f94_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:1808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1808-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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