remcos | 099f8255b276489033ff65e05ce2ccb728cec9494056aa35f5af8112c92d1906

Analysis

max time kernel
25s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 09:32

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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

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
3296	powershell.exe
5104	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Instrument lists , coporate info and po sample drawing.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 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	Instrument lists , coporate info and po sample drawing.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

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
1132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1208	Instrument lists , coporate info and po sample drawing.exe
5104	powershell.exe
3296	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1208	Instrument lists , coporate info and po sample drawing.exe
Token: SeDebugPrivilege	3296	powershell.exe
Token: SeDebugPrivilege	5104	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 3296	1208	Instrument lists , coporate info and po sample drawing.exe	90
PID 1208 wrote to memory of 3296	1208	Instrument lists , coporate info and po sample drawing.exe	90
PID 1208 wrote to memory of 3296	1208	Instrument lists , coporate info and po sample drawing.exe	90
PID 1208 wrote to memory of 5104	1208	Instrument lists , coporate info and po sample drawing.exe	92
PID 1208 wrote to memory of 5104	1208	Instrument lists , coporate info and po sample drawing.exe	92
PID 1208 wrote to memory of 5104	1208	Instrument lists , coporate info and po sample drawing.exe	92
PID 1208 wrote to memory of 1132	1208	Instrument lists , coporate info and po sample drawing.exe	94
PID 1208 wrote to memory of 1132	1208	Instrument lists , coporate info and po sample drawing.exe	94
PID 1208 wrote to memory of 1132	1208	Instrument lists , coporate info and po sample drawing.exe	94

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⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3296
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5104
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIjBkznYJBuTm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE8F8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1132
- 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:1160
- 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:748
- 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:2212
- 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:3180

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\edfghjk\logs.dat

Filesize
144B

MD5
7f3d62dacbe61d0440e66ab159aec6b0

SHA1
a334fbfb95e7b0536a88d72694c1ee0e7a624c2e

SHA256
7723e1306da8df05982688498e0881992ccaf4329d0143b9149152d79ad792e5

SHA512
ab64009b5eb6db69d6262e69c9aa33b4e5946afabd9246b4b05af5d57812acad976e9f284783aacc6727613cf5003716d664b89fab48cd33d4b7c0967aaa8070

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
3bc3b8158f8b23234b88f31523a3550f

SHA1
92a3fad95546e32d8610a0f17676d225224d04ee

SHA256
fe3d9026666d0b40e629d8ae908182f9d86411b355f819d48eca69c0c51d0d51

SHA512
d1ee0f202bf91420a871ea49ed96bf14f33fd6b8d7d44ea8e5191a3ec59ce5c99752c5cdfce8610ee757f073f790168c266bc0cb2916eb0ee0ac2f37bb83e779

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qsnio0kg.3i1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE8F8.tmp

Filesize
1KB

MD5
530a90c689376bb58bbae541a9b47616

SHA1
897c11aea4385b949ffe1de90648786344abca80

SHA256
43898dd4eb87e0a3c297bd7b515cf16a58871caf79ebc015c756d3f12d048559

SHA512
afebafae0f6f319a235fc8cf760a5363fe2cc59ee7f24f70f27df7799968fa33fffcb584ec166288c8da6236cdccdcf680cff0efab0340690d94cf9752645dbd

Download Submit
memory/1208-6-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1208-4-0x0000000002E20000-0x0000000002E2A000-memory.dmp

Filesize
40KB

Download
memory/1208-7-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/1208-8-0x0000000005600000-0x0000000005612000-memory.dmp

Filesize
72KB

Download
memory/1208-9-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1208-10-0x0000000006B50000-0x0000000006C14000-memory.dmp

Filesize
784KB

Download
memory/1208-53-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1208-5-0x0000000005620000-0x00000000056BC000-memory.dmp

Filesize
624KB

Download
memory/1208-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/1208-3-0x00000000053C0000-0x0000000005452000-memory.dmp

Filesize
584KB

Download
memory/1208-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

Filesize
5.6MB

Download
memory/1208-1-0x0000000000860000-0x0000000000982000-memory.dmp

Filesize
1.1MB

Download
memory/3180-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3180-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3180-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3180-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3296-16-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3296-63-0x00000000753C0000-0x000000007540C000-memory.dmp

Filesize
304KB

Download
memory/3296-52-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3296-15-0x0000000002A30000-0x0000000002A66000-memory.dmp

Filesize
216KB

Download
memory/3296-93-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3296-28-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3296-54-0x0000000006330000-0x000000000634E000-memory.dmp

Filesize
120KB

Download
memory/3296-87-0x0000000007970000-0x0000000007978000-memory.dmp

Filesize
32KB

Download
memory/3296-86-0x0000000007990000-0x00000000079AA000-memory.dmp

Filesize
104KB

Download
memory/3296-84-0x0000000007880000-0x000000000788E000-memory.dmp

Filesize
56KB

Download
memory/3296-19-0x0000000005370000-0x0000000005392000-memory.dmp

Filesize
136KB

Download
memory/3296-79-0x0000000007650000-0x000000000766A000-memory.dmp

Filesize
104KB

Download
memory/3296-78-0x0000000007300000-0x00000000073A3000-memory.dmp

Filesize
652KB

Download
memory/5104-56-0x0000000006860000-0x0000000006892000-memory.dmp

Filesize
200KB

Download
memory/5104-85-0x0000000007800000-0x0000000007814000-memory.dmp

Filesize
80KB

Download
memory/5104-44-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/5104-80-0x0000000007C10000-0x000000000828A000-memory.dmp

Filesize
6.5MB

Download
memory/5104-81-0x0000000007630000-0x000000000763A000-memory.dmp

Filesize
40KB

Download
memory/5104-57-0x00000000753C0000-0x000000007540C000-memory.dmp

Filesize
304KB

Download
memory/5104-82-0x0000000007840000-0x00000000078D6000-memory.dmp

Filesize
600KB

Download
memory/5104-83-0x00000000077C0000-0x00000000077D1000-memory.dmp

Filesize
68KB

Download
memory/5104-20-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/5104-74-0x0000000007280000-0x000000000729E000-memory.dmp

Filesize
120KB

Download
memory/5104-43-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/5104-55-0x00000000062D0000-0x000000000631C000-memory.dmp

Filesize
304KB

Download
memory/5104-32-0x0000000005DC0000-0x0000000006114000-memory.dmp

Filesize
3.3MB

Download
memory/5104-21-0x0000000005B50000-0x0000000005BB6000-memory.dmp

Filesize
408KB

Download
memory/5104-94-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/5104-17-0x0000000005310000-0x0000000005938000-memory.dmp

Filesize
6.2MB

Download
memory/5104-33-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download