remcos | c895cb359d954ef200b7b9e66c89e33707790fb42870f8bc1910aa86f504a999

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-11-2024 14:39

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General

Target

Quote.exe
Size

3.6MB
MD5

f0d650c7b934f6ff1d956df107f5a599
SHA1

55d1d465e7440fe88c39c827a890784c182986f5
SHA256

c895cb359d954ef200b7b9e66c89e33707790fb42870f8bc1910aa86f504a999
SHA512

224735b7eed4f512866b27f4b327e29da0489b664d6a1cd7c3f65c01c54897831c8345d5767a8a5a36b4eba2424a39cc5b005bd82ed405dc422680d4faee24ec
SSDEEP

24576:9D9ffPc5XcI26mC6Vwd+hiKptzEodhdXf7:9D9PUXcIhmWdTAt4odhdXj

Score

10^/10

remcos remotehost collection discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

opengatesfavour.duckdns.org:4202

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-E39QNY
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
Remcos family
remcos
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	iexplore.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1688 set thread context of 2632	1688	Quote.exe	36
PID 2632 set thread context of 1200	2632	iexplore.exe	39
PID 2632 set thread context of 2316	2632	iexplore.exe	40
PID 2632 set thread context of 276	2632	iexplore.exe	41

System Location Discovery: System Language Discovery 1 TTPs 4 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1200	iexplore.exe
1200	iexplore.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2632	iexplore.exe
2632	iexplore.exe
2632	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	276	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2744	1688	Quote.exe	30
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2920	1688	Quote.exe	31
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2156	1688	Quote.exe	32
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2884	1688	Quote.exe	33
PID 1688 wrote to memory of 2572	1688	Quote.exe	34
PID 1688 wrote to memory of 2572	1688	Quote.exe	34
PID 1688 wrote to memory of 2572	1688	Quote.exe	34
PID 1688 wrote to memory of 2572	1688	Quote.exe	34
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2520	1688	Quote.exe	35
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36
PID 1688 wrote to memory of 2632	1688	Quote.exe	36

C:\Users\Admin\AppData\Local\Temp\Quote.exe
"C:\Users\Admin\AppData\Local\Temp\Quote.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
  2⤵
  PID:2744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  PID:2920
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2156
- C:\Windows\System32\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  PID:2884
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
  2⤵
  PID:2572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:2520
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  PID:2632
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\cofazulr"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1200
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\niltamwsbnxx"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:2316
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xkqltfhmpvpccec"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:276
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:2988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/276-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1200-47-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1688-1-0x0000000000C70000-0x0000000000C78000-memory.dmp

Filesize
32KB

Download
memory/1688-2-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

Download
memory/1688-3-0x000000001B290000-0x000000001B362000-memory.dmp

Filesize
840KB

Download
memory/1688-0-0x000007FEF5683000-0x000007FEF5684000-memory.dmp

Filesize
4KB

Download
memory/1688-45-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

Download
memory/2316-48-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2632-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2744-4-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2744-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2744-6-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2744-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2744-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2744-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download