remcos | c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a

General

Target

c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe
Size

248KB
MD5

86f10875627339a0476b10370f17803f
SHA1

443af8aaee870027e4fee6c83c0de9efb3d27813
SHA256

c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a
SHA512

fd87f02e34801da818d4b0c764c78cea0c15d64c4f30f49e3b3c34d0cf52842966a6a36b10c72986bd6ec1289d8a8fc866df83d9fdbfe6536ff13b1d82b9ce2d

Score

10^/10

remcos buddy evasion rat rezer0 trojan

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

Buddy

C2

eastsidepapi.myq-see.com:6996

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Buddy.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Buddy-PVO134
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Buddy
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

Processes:

c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1100-58-0x0000000000B60000-0x0000000000B8E000-memory.dmp	rezer0

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

description	pid	process	target process
PID 1100 set thread context of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe

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

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
T1053

Processes:

schtasks.exe

pid process

1748 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exec0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

pid process

820 powershell.exe
1100 c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

pid	process
1748	schtasks.exe

pid	process
820	powershell.exe
1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exec0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

description	pid	process
Token: SeDebugPrivilege	820	powershell.exe
Token: SeDebugPrivilege	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

1732 vbc.exe

pid	process
1732	vbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe

description	pid	process	target process
PID 1100 wrote to memory of 820	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	powershell.exe
PID 1100 wrote to memory of 820	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	powershell.exe
PID 1100 wrote to memory of 820	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	powershell.exe
PID 1100 wrote to memory of 820	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	powershell.exe
PID 1100 wrote to memory of 1748	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	schtasks.exe
PID 1100 wrote to memory of 1748	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	schtasks.exe
PID 1100 wrote to memory of 1748	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	schtasks.exe
PID 1100 wrote to memory of 1748	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	schtasks.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe
PID 1100 wrote to memory of 1732	1100	c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe
"C:\Users\Admin\AppData\Local\Temp\c0204213ccd9c96e609da9d595810128e74e8fa9b79c71f5b7a5c03cde9ffd8a.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:820

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BzXaFglBDacDie" /XML "C:\Users\Admin\AppData\Local\Temp\tmp148B.tmp"
2⤵
- Creates scheduled task(s)
PID:1748

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Disabling Security Tools

2

T1089

Scripting

1

T1064

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp148B.tmp
Filesize
1KB

MD5
f7eeb594baa5f0881f53641232ba25fd

SHA1
115859a35cbb08e26128f8e2d9001344f1eca9a4

SHA256
e59d783086ba5c66e2b93d353e190c6214d4072efd477710d4978ed8cc9f1ebe

SHA512
fea9345adafbb9c35ac00d32fa85bf98a30a17b709df00c1dcf625963825f806098225ee25186be5a838a6f1fc1fe6c5bd0569d1f77ce4c5a3d2a1686c6bfe89

Download Submit
memory/820-59-0x0000000000000000-mapping.dmp

Download
memory/820-61-0x000000006EF00000-0x000000006F4AB000-memory.dmp

Filesize
5.7MB

Download
memory/1100-55-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1100-56-0x0000000000430000-0x0000000000438000-memory.dmp

Filesize
32KB

Download
memory/1100-57-0x0000000000A00000-0x0000000000A44000-memory.dmp

Filesize
272KB

Download
memory/1100-58-0x0000000000B60000-0x0000000000B8E000-memory.dmp

Filesize
184KB

Download
memory/1100-54-0x0000000000EC0000-0x0000000000F04000-memory.dmp

Filesize
272KB

Download
memory/1732-65-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-64-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-67-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-69-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-70-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-71-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-73-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-74-0x0000000000413A84-mapping.dmp

Download
memory/1732-77-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-78-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1732-79-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1748-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads