remcos | 483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2023, 16:14

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General

Target

1015SO9421INVPL7245577630screxe_JC.exe
Size

919KB
MD5

5dd0bedc7f6f9096ca5abf564a7901d9
SHA1

f170d704ec220a6ef1fe6f2c2f0f755909004c00
SHA256

483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd
SHA512

d231e9247e9e72b0051f15ac7a19da10fe5fb18a6522a49d5da1a3d1ef72e41a0ade3d704e574b57ee6a451c56de7990f25f9e926fa3086298e619c5262b6bcf
SSDEEP

12288:4iM2/jjKqOW4hKAQc8MrmzwiysldDE0Igu95Pecpfj5hsLBpYCptgVkKnNAMYG:lLD40At88EysldD1Igu9xV5hyVtunNS

Score

10^/10

remcos remotehost collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

104.250.180.178:7902

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
MVPL-D815F2
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4892-38-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral2/memory/4892-41-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral2/memory/4892-45-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4704-36-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4704-39-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4704-48-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 9 IoCs

resource	yara_rule
behavioral2/memory/4704-36-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4892-38-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/4704-39-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4204-40-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4892-41-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/4204-35-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4892-45-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/4204-46-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4704-48-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	1015SO9421INVPL7245577630screxe_JC.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3456 set thread context of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 2080 set thread context of 4704	2080	1015SO9421INVPL7245577630screxe_JC.exe	98
PID 2080 set thread context of 4892	2080	1015SO9421INVPL7245577630screxe_JC.exe	99
PID 2080 set thread context of 4204	2080	1015SO9421INVPL7245577630screxe_JC.exe	100

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4704	1015SO9421INVPL7245577630screxe_JC.exe
4704	1015SO9421INVPL7245577630screxe_JC.exe
4204	1015SO9421INVPL7245577630screxe_JC.exe
4204	1015SO9421INVPL7245577630screxe_JC.exe
4704	1015SO9421INVPL7245577630screxe_JC.exe
4704	1015SO9421INVPL7245577630screxe_JC.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2080	1015SO9421INVPL7245577630screxe_JC.exe
2080	1015SO9421INVPL7245577630screxe_JC.exe
2080	1015SO9421INVPL7245577630screxe_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	1015SO9421INVPL7245577630screxe_JC.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 3456 wrote to memory of 2080	3456	1015SO9421INVPL7245577630screxe_JC.exe	97
PID 2080 wrote to memory of 4704	2080	1015SO9421INVPL7245577630screxe_JC.exe	98
PID 2080 wrote to memory of 4704	2080	1015SO9421INVPL7245577630screxe_JC.exe	98
PID 2080 wrote to memory of 4704	2080	1015SO9421INVPL7245577630screxe_JC.exe	98
PID 2080 wrote to memory of 4704	2080	1015SO9421INVPL7245577630screxe_JC.exe	98
PID 2080 wrote to memory of 4892	2080	1015SO9421INVPL7245577630screxe_JC.exe	99
PID 2080 wrote to memory of 4892	2080	1015SO9421INVPL7245577630screxe_JC.exe	99
PID 2080 wrote to memory of 4892	2080	1015SO9421INVPL7245577630screxe_JC.exe	99
PID 2080 wrote to memory of 4892	2080	1015SO9421INVPL7245577630screxe_JC.exe	99
PID 2080 wrote to memory of 4204	2080	1015SO9421INVPL7245577630screxe_JC.exe	100
PID 2080 wrote to memory of 4204	2080	1015SO9421INVPL7245577630screxe_JC.exe	100
PID 2080 wrote to memory of 4204	2080	1015SO9421INVPL7245577630screxe_JC.exe	100
PID 2080 wrote to memory of 4204	2080	1015SO9421INVPL7245577630screxe_JC.exe	100

C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe
    C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe /stext "C:\Users\Admin\AppData\Local\Temp\dbpxddzzoqplngnjniolnxqelkq"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4704
- - C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe
    C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe /stext "C:\Users\Admin\AppData\Local\Temp\ovvhwvstkyhqxmjnwtjmybdvuzivye"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:4892
- - C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe
    C:\Users\Admin\AppData\Local\Temp\1015SO9421INVPL7245577630screxe_JC.exe /stext "C:\Users\Admin\AppData\Local\Temp\qxaaxoduygzvatxrowwgboxmdgrwzpdsee"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dbpxddzzoqplngnjniolnxqelkq

Filesize
4KB

MD5
28cfa3f332aaea0dbc2c6b239ae55629

SHA1
69508ce857a1b4d2643967fa5438330fc5a919c3

SHA256
f53cfdd9e5697f08e83d67f2b7436f116fa6fea044d3a7ac09e9f4257a148e85

SHA512
2fdbb194c93111dc5c26df24a7e2d5a0994d05286b4541e09180a2fceb653f86cc6e7a8ed5ad1d1d461a280ab5c015aadbfb4e6c0f98aea6cb78828ffe288e54

Download Submit
memory/2080-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-50-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2080-53-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2080-54-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2080-55-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2080-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-56-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2080-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-58-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2080-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2080-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3456-3-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/3456-1-0x0000000000580000-0x000000000066C000-memory.dmp

Filesize
944KB

Download
memory/3456-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/3456-17-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3456-11-0x000000000A8E0000-0x000000000A97C000-memory.dmp

Filesize
624KB

Download
memory/3456-7-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3456-9-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/3456-10-0x00000000080F0000-0x00000000081A8000-memory.dmp

Filesize
736KB

Download
memory/3456-6-0x0000000005200000-0x0000000005218000-memory.dmp

Filesize
96KB

Download
memory/3456-5-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/3456-4-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/3456-8-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/3456-0-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4204-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4204-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4204-35-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4204-40-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4204-34-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4704-26-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4704-29-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4704-39-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4704-48-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4704-36-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4892-38-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4892-33-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4892-41-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4892-28-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4892-45-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download