remcos | 08aa3bfb5f56d17ce70299a7ac6680738f95df00da7445f6ba4d7064dfa73d71

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
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 1676 set thread context of 2660	1676	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

2656 schtasks.exe

pid	process
2656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exepowershell.exepowershell.exe

pid	process
1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
3068	powershell.exe
2628	powershell.exe
1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
Token: SeDebugPrivilege	3068	powershell.exe
Token: SeDebugPrivilege	2628	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe

description	pid	process	target process
PID 1676 wrote to memory of 3068	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 1676 wrote to memory of 3068	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 1676 wrote to memory of 3068	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 1676 wrote to memory of 3068	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 1676 wrote to memory of 2628	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 1676 wrote to memory of 2628	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 1676 wrote to memory of 2628	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 1676 wrote to memory of 2628	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	powershell.exe
PID 1676 wrote to memory of 2656	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	schtasks.exe
PID 1676 wrote to memory of 2656	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	schtasks.exe
PID 1676 wrote to memory of 2656	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	schtasks.exe
PID 1676 wrote to memory of 2656	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	schtasks.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe
PID 1676 wrote to memory of 2660	1676	16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe
"C:\Users\Admin\AppData\Local\Temp\16e9bc6afb3e487749ffed54bace65bb58dd5257c66a0baef767d371eda437ce.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676

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: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\xEAqrgXRK.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xEAqrgXRK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D65.tmp"
2⤵
- Creates scheduled task(s)
PID:2656

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:2660

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4D65.tmp

Filesize
1KB

MD5
5cbb47e3d40d82dd1c275082b3db635c

SHA1
9be84262cee6f6c78ad0ef8276e064cc6e552c62

SHA256
fe05a8b2e0e38814b6e37b4b4e59aecf2943e2abfe7c9f8a80dfa7a4ed4c718a

SHA512
07ed902f909b2c5a765f4dfc126d5174958623f7319f94377a74bb6f29a36faa31a8ed533971afc22b154c26bdb24797198fbe2fee894102de64a8fda8470799

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\U4Y67BV1XGKS93B1KW63.temp

Filesize
7KB

MD5
6e725e16d459ce7e3263b8c3e49d310c

SHA1
e83b3577d931f747a5cb77430fe91c80b474a6e6

SHA256
b93dd058f1ed3d5cc1213023bb4f857e624e1b09a9d40949113d18bd1a359b06

SHA512
1062bc77f79b47a7e26e46d177b9e60061109bf19a39dcef6e8ec2b4831527b6dcd5591bf383ffe1b5c456250af1460ef3cfd4c2c57f216405994df71c1eac9f

Download Submit
memory/1676-6-0x0000000005010000-0x00000000050D0000-memory.dmp

Filesize
768KB

Download
memory/1676-3-0x00000000004B0000-0x00000000004C4000-memory.dmp

Filesize
80KB

Download
memory/1676-4-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/1676-5-0x00000000004F0000-0x00000000004FC000-memory.dmp

Filesize
48KB

Download
memory/1676-2-0x0000000004910000-0x0000000004950000-memory.dmp

Filesize
256KB

Download
memory/1676-1-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/1676-0-0x0000000001080000-0x0000000001164000-memory.dmp

Filesize
912KB

Download
memory/1676-46-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2628-26-0x000000006F680000-0x000000006FC2B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-19-0x000000006F680000-0x000000006FC2B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-50-0x000000006F680000-0x000000006FC2B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-30-0x0000000002980000-0x00000000029C0000-memory.dmp

Filesize
256KB

Download
memory/2628-28-0x0000000002980000-0x00000000029C0000-memory.dmp

Filesize
256KB

Download
memory/2660-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-42-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2660-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3068-20-0x000000006F680000-0x000000006FC2B000-memory.dmp

Filesize
5.7MB

Download
memory/3068-51-0x000000006F680000-0x000000006FC2B000-memory.dmp

Filesize
5.7MB

Download
memory/3068-23-0x0000000002AE0000-0x0000000002B20000-memory.dmp

Filesize
256KB

Download
memory/3068-25-0x000000006F680000-0x000000006FC2B000-memory.dmp

Filesize
5.7MB

Download