remcos | 717ba8a5452f784b6c8df7936a0c4668720cf0ad480b9dfab9028056d398a466

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 14:48

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General

Target

190920240949TJgGO5EprAaBIME.exe
Size

908KB
MD5

b2125f1650b58eddaa86b18ed64871a5
SHA1

d28fd63324a74b0c61a29e964f863bf79668f9a6
SHA256

717ba8a5452f784b6c8df7936a0c4668720cf0ad480b9dfab9028056d398a466
SHA512

f8620026e270376e561da0d5a2f458b10476db82c426bc8261dfeb66f3d3d2f9ff5d96abd69b712d492ae878b0f2f69da0bf836bed59bc23818062f83b9e7c85
SSDEEP

24576:Xoq0yKtaUx9ekC04qZoAe+QA4VMsN7y1NZSZNGMCgcCzqI+gN8w:4vy2nx9ZMq+AAA51UNGMCgRN8w

Score

10^/10

remcos sept 03 2024 collection credential_access discovery execution rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

Sept 03 2024

salonirang.duckdns.org:54604

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
bookmark
keylog_path
%AppData%
mouse_option
false
mutex
Rmc-SPKD1X
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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Detected Nirsoft tools 3 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/memory/308-62-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/3008-58-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2980-57-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/3008-58-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2980-57-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2796	powershell.exe
2260	powershell.exe

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	190920240949TJgGO5EprAaBIME.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2084 set thread context of 2980	2084	190920240949TJgGO5EprAaBIME.exe	39
PID 2084 set thread context of 3008	2084	190920240949TJgGO5EprAaBIME.exe	40
PID 2084 set thread context of 308	2084	190920240949TJgGO5EprAaBIME.exe	41

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 8 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	190920240949TJgGO5EprAaBIME.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	190920240949TJgGO5EprAaBIME.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	190920240949TJgGO5EprAaBIME.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	190920240949TJgGO5EprAaBIME.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	190920240949TJgGO5EprAaBIME.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
2720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2168	190920240949TJgGO5EprAaBIME.exe
2168	190920240949TJgGO5EprAaBIME.exe
2260	powershell.exe
2796	powershell.exe
2980	190920240949TJgGO5EprAaBIME.exe
2980	190920240949TJgGO5EprAaBIME.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2084	190920240949TJgGO5EprAaBIME.exe
2084	190920240949TJgGO5EprAaBIME.exe
2084	190920240949TJgGO5EprAaBIME.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	190920240949TJgGO5EprAaBIME.exe
Token: SeDebugPrivilege	2260	powershell.exe
Token: SeDebugPrivilege	2796	powershell.exe
Token: SeDebugPrivilege	308	190920240949TJgGO5EprAaBIME.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2084	190920240949TJgGO5EprAaBIME.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2796	2168	190920240949TJgGO5EprAaBIME.exe	31
PID 2168 wrote to memory of 2796	2168	190920240949TJgGO5EprAaBIME.exe	31
PID 2168 wrote to memory of 2796	2168	190920240949TJgGO5EprAaBIME.exe	31
PID 2168 wrote to memory of 2796	2168	190920240949TJgGO5EprAaBIME.exe	31
PID 2168 wrote to memory of 2260	2168	190920240949TJgGO5EprAaBIME.exe	33
PID 2168 wrote to memory of 2260	2168	190920240949TJgGO5EprAaBIME.exe	33
PID 2168 wrote to memory of 2260	2168	190920240949TJgGO5EprAaBIME.exe	33
PID 2168 wrote to memory of 2260	2168	190920240949TJgGO5EprAaBIME.exe	33
PID 2168 wrote to memory of 2720	2168	190920240949TJgGO5EprAaBIME.exe	34
PID 2168 wrote to memory of 2720	2168	190920240949TJgGO5EprAaBIME.exe	34
PID 2168 wrote to memory of 2720	2168	190920240949TJgGO5EprAaBIME.exe	34
PID 2168 wrote to memory of 2720	2168	190920240949TJgGO5EprAaBIME.exe	34
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2168 wrote to memory of 2084	2168	190920240949TJgGO5EprAaBIME.exe	37
PID 2084 wrote to memory of 2980	2084	190920240949TJgGO5EprAaBIME.exe	39
PID 2084 wrote to memory of 2980	2084	190920240949TJgGO5EprAaBIME.exe	39
PID 2084 wrote to memory of 2980	2084	190920240949TJgGO5EprAaBIME.exe	39
PID 2084 wrote to memory of 2980	2084	190920240949TJgGO5EprAaBIME.exe	39
PID 2084 wrote to memory of 2980	2084	190920240949TJgGO5EprAaBIME.exe	39
PID 2084 wrote to memory of 3008	2084	190920240949TJgGO5EprAaBIME.exe	40
PID 2084 wrote to memory of 3008	2084	190920240949TJgGO5EprAaBIME.exe	40
PID 2084 wrote to memory of 3008	2084	190920240949TJgGO5EprAaBIME.exe	40
PID 2084 wrote to memory of 3008	2084	190920240949TJgGO5EprAaBIME.exe	40
PID 2084 wrote to memory of 3008	2084	190920240949TJgGO5EprAaBIME.exe	40
PID 2084 wrote to memory of 308	2084	190920240949TJgGO5EprAaBIME.exe	41
PID 2084 wrote to memory of 308	2084	190920240949TJgGO5EprAaBIME.exe	41
PID 2084 wrote to memory of 308	2084	190920240949TJgGO5EprAaBIME.exe	41
PID 2084 wrote to memory of 308	2084	190920240949TJgGO5EprAaBIME.exe	41
PID 2084 wrote to memory of 308	2084	190920240949TJgGO5EprAaBIME.exe	41

C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe
"C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- 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\190920240949TJgGO5EprAaBIME.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2796
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gVmBHRfidrI.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2260
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gVmBHRfidrI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE0CE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2720
- C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe
  "C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe
    C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe /stext "C:\Users\Admin\AppData\Local\Temp\rwodgt"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:2980
- - C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe
    C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe /stext "C:\Users\Admin\AppData\Local\Temp\bytvhltcm"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:3008
- - C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe
    C:\Users\Admin\AppData\Local\Temp\190920240949TJgGO5EprAaBIME.exe /stext "C:\Users\Admin\AppData\Local\Temp\esyoadedauya"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE0CE.tmp

Filesize
1KB

MD5
8e979269fa77a704638bcfb886b6e32d

SHA1
d0a69165db06a840b4832ee6ae957f56b647cf01

SHA256
b8dd86cab88b3c13b3b24d91f32402433bc618a10dc48c0ceb10a1a395253226

SHA512
cd94725db10e717341d4b29337849d5fe1d1cb7b2816e69e18f7673a63e196344fb3a30b81e2b40586e0cfeb7b3d6d943ba8d191776a4e6bc5f320f585d3c376

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\48ZXH4MFL0TPBYH7GSWF.temp

Filesize
7KB

MD5
8e8c8028e16f6d4507a70845bb9fce0d

SHA1
3a5e9323eb0956f68b7a11a0caee574c389cb3ba

SHA256
c6548f30f0fa40cb15b5e43de7a1d09d4ee2c5e55b2bc92d14c0fc740046ded3

SHA512
5a16a892d693caf3a51cae1794a68332e09c67d54bda79d523eea60da8440298c1f7647a6a575d9291a148c13e58fcf59939a8375087a83ba31c74393b324034

Download Submit
C:\Users\Admin\AppData\Roaming\bookmark\logs.dat

Filesize
144B

MD5
3c857542c39e4d0daa344399efc219b2

SHA1
fa7dfac5c64d12f57f28ab775c8d4366044f7494

SHA256
e3c51f461e4ea47043df4ca37fc7437d8b38c7f55268c6c25a761f516862a454

SHA512
164bb3a4229cb957e71832cb4ec3bf0f41936d2be4b438c78d582a4730dc7130d0b31b3b0ec27bed3e8299912442fd362aedd7dc5f8e25f295fbc1ec6cd4809d

Download Submit
memory/308-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/308-61-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/308-62-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2084-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-72-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2084-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2084-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-101-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-93-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-73-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2084-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2084-69-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2168-1-0x0000000000E50000-0x0000000000F3A000-memory.dmp

Filesize
936KB

Download
memory/2168-41-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2168-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-3-0x0000000000280000-0x0000000000290000-memory.dmp

Filesize
64KB

Download
memory/2168-4-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-5-0x0000000005420000-0x00000000054E2000-memory.dmp

Filesize
776KB

Download
memory/2980-52-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2980-55-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2980-51-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-57-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3008-54-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3008-58-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3008-56-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download