remcos | 08aa3bfb5f56d17ce70299a7ac6680738f95df00da7445f6ba4d7064dfa73d71

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-04-2024 01:43

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General

Target

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
Size

884KB
MD5

cb60f9802b22337e3182ff3045e848fa
SHA1

b3d29c2524c103e786e2a73c3dfdbe37b8e0ee28
SHA256

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce
SHA512

bb7a9e679caa06f904eff2b4f08006d2cbeae03dfaa9e7a6b90e667040bedee607c8d147a16b56d5ecae99a11e0e9f6fdafc436f48867e12022198020f749be0
SSDEEP

24576:6OKGhEYdA9mPUiGZHQZcrOuP115OI7BN1:dKGhEYdAMfhSd155B

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

91.92.244.17:2707

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
Rmc-ZBS4C6
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

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

Processes:

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

Processes:

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe

description	pid	process	target process
PID 3076 set thread context of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1204 schtasks.exe

pid	process
1204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exepowershell.exepowershell.exe

pid	process
3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
4648	powershell.exe
4648	powershell.exe
632	powershell.exe
632	powershell.exe
3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
4648	powershell.exe
632	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
Token: SeDebugPrivilege	4648	powershell.exe
Token: SeDebugPrivilege	632	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe

description	pid	process	target process
PID 3076 wrote to memory of 632	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 3076 wrote to memory of 632	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 3076 wrote to memory of 632	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 3076 wrote to memory of 4648	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 3076 wrote to memory of 4648	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 3076 wrote to memory of 4648	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 3076 wrote to memory of 1204	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	schtasks.exe
PID 3076 wrote to memory of 1204	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	schtasks.exe
PID 3076 wrote to memory of 1204	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	schtasks.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 3076 wrote to memory of 1588	3076	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
"C:\Users\Admin\AppData\Local\Temp\16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076

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\16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:632

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xEAqrgXRK.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4648

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xEAqrgXRK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp74A3.tmp"
2⤵
- Creates scheduled task(s)
PID:1204

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:1588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scripting

T1064

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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
d77ac3fa23d85dd2023e534f0ea465a0

SHA1
48fd0343f715884e44dbd6e228ab965e3e1922c5

SHA256
0de14eed8d808e59bfbe056c8fdd98091eb0c69c3b1ac1c10db6769445c646f2

SHA512
04e842f0c7a36a59696eed4d21e136a0134792a012b56a0748c0fd7c9444ec7ce1685185f2eed112b2a05024eb3b397480ebffc8c34a51bc0498d3a4d265b4bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ytx4t1wf.mug.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp74A3.tmp

Filesize
1KB

MD5
304c4e1fa1f2264967869ebed101208c

SHA1
61d39c21262c83614d9ee67009b273419f2c8072

SHA256
1cbcf5d9e59b15688b7d8b29fd81a52c432f8ee59fb4d14452bdafbfa0a9becb

SHA512
0363cc5e2e2be3c3b107b5beab0dddc41e48e646a180131ab1506f53679d5efbadbf464f36670930e5ce178d9f52288d3bcc0b5708773ec8e4bc973101e41a41

Download Submit
memory/632-80-0x0000000007290000-0x0000000007333000-memory.dmp

Filesize
652KB

Download
memory/632-59-0x0000000075710000-0x000000007575C000-memory.dmp

Filesize
304KB

Download
memory/632-99-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/632-85-0x0000000007A10000-0x000000000808A000-memory.dmp

Filesize
6.5MB

Download
memory/632-83-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/632-82-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/632-56-0x000000007F460000-0x000000007F470000-memory.dmp

Filesize
64KB

Download
memory/632-15-0x00000000027A0000-0x00000000027D6000-memory.dmp

Filesize
216KB

Download
memory/632-16-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/632-17-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/632-57-0x0000000007220000-0x0000000007252000-memory.dmp

Filesize
200KB

Download
memory/632-18-0x00000000051A0000-0x00000000057C8000-memory.dmp

Filesize
6.2MB

Download
memory/632-27-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/632-24-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/1588-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-101-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1588-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3076-7-0x0000000005430000-0x000000000543A000-memory.dmp

Filesize
40KB

Download
memory/3076-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/3076-5-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/3076-10-0x0000000008B00000-0x0000000008B9C000-memory.dmp

Filesize
624KB

Download
memory/3076-9-0x0000000006350000-0x0000000006410000-memory.dmp

Filesize
768KB

Download
memory/3076-8-0x0000000005440000-0x000000000544C000-memory.dmp

Filesize
48KB

Download
memory/3076-1-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/3076-52-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/3076-0-0x00000000005B0000-0x0000000000694000-memory.dmp

Filesize
912KB

Download
memory/3076-3-0x0000000005080000-0x0000000005112000-memory.dmp

Filesize
584KB

Download
memory/3076-6-0x0000000005400000-0x0000000005414000-memory.dmp

Filesize
80KB

Download
memory/3076-4-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/4648-20-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4648-90-0x00000000079D0000-0x00000000079E4000-memory.dmp

Filesize
80KB

Download
memory/4648-91-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/4648-92-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

Filesize
32KB

Download
memory/4648-89-0x00000000079C0000-0x00000000079CE000-memory.dmp

Filesize
56KB

Download
memory/4648-88-0x0000000007990000-0x00000000079A1000-memory.dmp

Filesize
68KB

Download
memory/4648-98-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4648-87-0x0000000007A10000-0x0000000007AA6000-memory.dmp

Filesize
600KB

Download
memory/4648-86-0x0000000007800000-0x000000000780A000-memory.dmp

Filesize
40KB

Download
memory/4648-84-0x0000000007790000-0x00000000077AA000-memory.dmp

Filesize
104KB

Download
memory/4648-69-0x0000000007420000-0x000000000743E000-memory.dmp

Filesize
120KB

Download
memory/4648-58-0x0000000075710000-0x000000007575C000-memory.dmp

Filesize
304KB

Download
memory/4648-81-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4648-79-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4648-55-0x000000007F4E0000-0x000000007F4F0000-memory.dmp

Filesize
64KB

Download
memory/4648-54-0x0000000006510000-0x000000000655C000-memory.dmp

Filesize
304KB

Download
memory/4648-53-0x0000000006480000-0x000000000649E000-memory.dmp

Filesize
120KB

Download
memory/4648-49-0x00000000060E0000-0x0000000006434000-memory.dmp

Filesize
3.3MB

Download
memory/4648-22-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4648-23-0x00000000053A0000-0x00000000053C2000-memory.dmp

Filesize
136KB

Download
memory/4648-19-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download