remcos | 099f8255b276489033ff65e05ce2ccb728cec9494056aa35f5af8112c92d1906

General

Target

Instrument lists , coporate info and po sample drawing.exe
Size

1.1MB
MD5

ad27097cd76b134d0d2d1509b5c3e3a6
SHA1

5eb2ba9bdeecad9c6ab8c762edf499bab2222b40
SHA256

3e4da255f51276918b7cdc4e47fa529e7ef5e6f5a2107b4932cf767ed82ca43f
SHA512

8e49faa5ad48af9d1cfc4081a07daf380a659ff236999fd0110d85fa9f09db0358cbeba9c90bf88b18b3083ed90298f6604cbf3dfe45e818a53e83d3880881a5
SSDEEP

24576:bQ3AgyE7jZH6EPfywOXd7e+AbCr9xeNdcrOYLaUa:bQQCjZH6EPfyJXdatbyazcCY+Ua

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.humptex.store:2404

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
edfghjk
mouse_option
false
mutex
Rmc-8D13LS
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

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
3068	powershell.exe
2816	powershell.exe

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 2 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	Instrument lists , coporate info and po sample drawing.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2152	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2116	Instrument lists , coporate info and po sample drawing.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	Instrument lists , coporate info and po sample drawing.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3068	2116	Instrument lists , coporate info and po sample drawing.exe	30
PID 2116 wrote to memory of 3068	2116	Instrument lists , coporate info and po sample drawing.exe	30
PID 2116 wrote to memory of 3068	2116	Instrument lists , coporate info and po sample drawing.exe	30
PID 2116 wrote to memory of 3068	2116	Instrument lists , coporate info and po sample drawing.exe	30

C:\Users\Admin\AppData\Local\Temp\Instrument lists , coporate info and po sample drawing.exe
"C:\Users\Admin\AppData\Local\Temp\Instrument lists , coporate info and po sample drawing.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- 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\Instrument lists , coporate info and po sample drawing.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIjBkznYJBuTm.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:2816
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIjBkznYJBuTm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC97.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2152
- C:\Users\Admin\AppData\Local\Temp\Instrument lists , coporate info and po sample drawing.exe
  "C:\Users\Admin\AppData\Local\Temp\Instrument lists , coporate info and po sample drawing.exe"
  2⤵
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\edfghjk\logs.dat

Filesize
144B

MD5
7d4508dfc398be64fe509d2e720fbf34

SHA1
a5b83964735799667613ec2dfb08c98034f9f0e0

SHA256
56059e42b68d1c722a9ef1306a50eeb40d15a7d077d64b12b8a88246ace3099e

SHA512
d3640265b6cb00655c158f58cf67972b2e462a2337d20d885e61a817dc8a2222c63950d4ab40797bdc0804c4c1b0befeaaf98fa6169d5fc065d083b84d638f25

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C:\Users\Admin\AppData\Local\Temp\tmpFC97.tmp

Filesize
1KB

MD5
40315a637f3d60faff929026d2d64484

SHA1
8220014e7848c55c62723f3ac829c1baad5bd686

SHA256
508c51294bc5114084ca71e9819ed10af0483cf07e1e2348b2af84fbf12f72f7

SHA512
eb9d24a9870c11c57a1dc9d8b262dc81103a102da57576501604ea086dbe73be2a397103ac7e9a6f614cd2376baf7b0c87f6f7d544192efffa9316ffd4b9fccc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3M52D9R3FPI2XRKH5GG9.temp

Filesize
7KB

MD5
36d771d7e974eefb6a7d87e244ba40fb

SHA1
adaa0251e22205f2703e2055a1f4eee846763df7

SHA256
0192bb7bf3b731d26f1e8583456714c8a7c4f85ceadd4ca9ee7678b885e257be

SHA512
30ae2d571735a10067a276e5abb5c44b5d41ccdbf74a77fc2ff1ab4f4bd402047ca7e02fba3d76703b12a193989d2264381e083a59da4994a3b969f4a264be79

Download Submit
memory/2116-38-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-1-0x0000000001060000-0x0000000001182000-memory.dmp

Filesize
1.1MB

Download
memory/2116-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-3-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2116-4-0x0000000000740000-0x0000000000752000-memory.dmp

Filesize
72KB

Download
memory/2116-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-6-0x00000000053B0000-0x0000000005474000-memory.dmp

Filesize
784KB

Download
memory/2116-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2540-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2540-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads