remcos | 43c4961a041e4f4a57d97cfead7dbec29949c3da99cf921504528752602032ff

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 18:46

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General

Target

Bank Payment Statement case no. 7929878202.exe
Size

3.6MB
MD5

190baa6397866f68d5f32be873737d59
SHA1

193d4b9192ec6cb64d40f0c3daefdf61ecfc8366
SHA256

e8262adab0ef2d373d33fbe740a670b87607042109208b74e8ac079aebd84a1f
SHA512

45496477379a2c28ec3ba69d98dcef47c583253feb2c319b6b8e3747f5efca441cb3293d10db0ee6ca8058faf378dcd9642b6b4454ef6fb7fd5268186e4978bc
SSDEEP

24576:okPaP3eyBZwt1u9Q46Zo2MglJVeHOUvKng:ofTBPQlXMgl+Cng

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:52121

officerem.duckdns.org:52121

Attributes

audio_folder
MicRecords
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-6GPUH1
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 2636 set thread context of 216	2636	Bank Payment Statement case no. 7929878202.exe	90

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	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	Bank Payment Statement case no. 7929878202.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 216	2636	Bank Payment Statement case no. 7929878202.exe	90
PID 2636 wrote to memory of 4084	2636	Bank Payment Statement case no. 7929878202.exe	91
PID 2636 wrote to memory of 4084	2636	Bank Payment Statement case no. 7929878202.exe	91
PID 2636 wrote to memory of 4084	2636	Bank Payment Statement case no. 7929878202.exe	91

C:\Users\Admin\AppData\Local\Temp\Bank Payment Statement case no. 7929878202.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Payment Statement case no. 7929878202.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:216
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:4084

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

Replay Monitor

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Downloads

memory/216-4-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2636-1-0x00007FFEF8753000-0x00007FFEF8755000-memory.dmp

Filesize
8KB

Download
memory/2636-0-0x00000201A8020000-0x00000201A8028000-memory.dmp

Filesize
32KB

Download
memory/2636-2-0x00007FFEF8750000-0x00007FFEF9211000-memory.dmp

Filesize
10.8MB

Download
memory/2636-3-0x00000201C28E0000-0x00000201C29AE000-memory.dmp

Filesize
824KB

Download
memory/2636-5-0x00007FFEF8750000-0x00007FFEF9211000-memory.dmp

Filesize
10.8MB

Download