remcos | 8af0a92b4f923ce464380fb0f5dc8203b4d00211b239e87d814ad44b620d63e7

General

Target

PO_No._ANOP0658.exe
Size

7KB
MD5

bf66440c894e2c3691b58423deb5a96a
SHA1

6a0d775b272c09dd4f7b1b3269d5497aa9e0bbc8
SHA256

8af0a92b4f923ce464380fb0f5dc8203b4d00211b239e87d814ad44b620d63e7
SHA512

989da9407ec44ccca4e3663746cecdb1fd1400cb66b486e4b56a69e6116589be8d1b317f4db5fb9e9c02b728f1d2e173c18ad6c8bd2539bfb8818f615e0db7f8
SSDEEP

96:hM+yDs4I3dsoS3iJA9W2uavvDePHK5GIR6oP959xzNtR:hM+6sR2oS3lE2umbePHK5GIvbpX

Score

10^/10

remcos 50005 collection persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

50005

C2

45.155.165.117:50005

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
jubjutgwfkpjgsh-G1HYQL
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/900-88-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/900-92-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/1352-89-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/1352-90-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1572-86-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/900-88-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/1352-89-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1352-90-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/900-92-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

PO_No._ANOP0658.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	PO_No._ANOP0658.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO_No._ANOP0658.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kuriajtopja = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tvoyw\\Kuriajtopja.exe\""	PO_No._ANOP0658.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO_No._ANOP0658.exePO_No._ANOP0658.exe

description	pid	process	target process
PID 1128 set thread context of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 set thread context of 1352	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 set thread context of 900	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 set thread context of 1572	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exePO_No._ANOP0658.exePO_No._ANOP0658.exe

pid process

764 powershell.exe
1128 PO_No._ANOP0658.exe
1128 PO_No._ANOP0658.exe
1352 PO_No._ANOP0658.exe
1352 PO_No._ANOP0658.exe
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO_No._ANOP0658.exe

pid process

1012 PO_No._ANOP0658.exe
1012 PO_No._ANOP0658.exe
1012 PO_No._ANOP0658.exe
1012 PO_No._ANOP0658.exe
1012 PO_No._ANOP0658.exe
1012 PO_No._ANOP0658.exe

pid	process
764	powershell.exe
1128	PO_No._ANOP0658.exe
1128	PO_No._ANOP0658.exe
1352	PO_No._ANOP0658.exe
1352	PO_No._ANOP0658.exe

pid	process
1012	PO_No._ANOP0658.exe
1012	PO_No._ANOP0658.exe
1012	PO_No._ANOP0658.exe
1012	PO_No._ANOP0658.exe
1012	PO_No._ANOP0658.exe
1012	PO_No._ANOP0658.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO_No._ANOP0658.exepowershell.exePO_No._ANOP0658.exe

description	pid	process
Token: SeDebugPrivilege	1128	PO_No._ANOP0658.exe
Token: SeDebugPrivilege	764	powershell.exe
Token: SeDebugPrivilege	1572	PO_No._ANOP0658.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

PO_No._ANOP0658.exePO_No._ANOP0658.exe

description	pid	process	target process
PID 1128 wrote to memory of 764	1128	PO_No._ANOP0658.exe	powershell.exe
PID 1128 wrote to memory of 764	1128	PO_No._ANOP0658.exe	powershell.exe
PID 1128 wrote to memory of 764	1128	PO_No._ANOP0658.exe	powershell.exe
PID 1128 wrote to memory of 764	1128	PO_No._ANOP0658.exe	powershell.exe
PID 1128 wrote to memory of 1812	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1812	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1812	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1812	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1128 wrote to memory of 1012	1128	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 996	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 996	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 996	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 996	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1392	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1392	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1392	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1392	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1352	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1352	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1352	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1352	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1352	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 900	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 900	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 900	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 900	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 900	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 896	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 896	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 896	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 896	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1572	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1572	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1572	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1572	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe
PID 1012 wrote to memory of 1572	1012	PO_No._ANOP0658.exe	PO_No._ANOP0658.exe

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
"C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAyAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:764

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
2⤵
PID:1812

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1012

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe /stext "C:\Users\Admin\AppData\Local\Temp\utkrdivvrjpgorlrjad"
3⤵
PID:996

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe /stext "C:\Users\Admin\AppData\Local\Temp\utkrdivvrjpgorlrjad"
3⤵
PID:1392

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe /stext "C:\Users\Admin\AppData\Local\Temp\utkrdivvrjpgorlrjad"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1352

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe /stext "C:\Users\Admin\AppData\Local\Temp\foqjeafxfrhlqfzvslpgwx"
3⤵
- Accesses Microsoft Outlook accounts
PID:900

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe /stext "C:\Users\Admin\AppData\Local\Temp\pqvcftqqbzzqalvzkvcizkxfr"
3⤵
PID:896

C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe
C:\Users\Admin\AppData\Local\Temp\PO_No._ANOP0658.exe /stext "C:\Users\Admin\AppData\Local\Temp\pqvcftqqbzzqalvzkvcizkxfr"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1572

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\utkrdivvrjpgorlrjad
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/764-58-0x0000000000000000-mapping.dmp

Download
memory/764-60-0x000000006F9B0000-0x000000006FF5B000-memory.dmp

Filesize
5.7MB

Download
memory/764-61-0x000000006F9B0000-0x000000006FF5B000-memory.dmp

Filesize
5.7MB

Download
memory/764-62-0x000000006F9B0000-0x000000006FF5B000-memory.dmp

Filesize
5.7MB

Download
memory/900-81-0x0000000000455238-mapping.dmp

Download
memory/900-92-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/900-88-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1012-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-87-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-93-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-76-0x00000000004327A4-mapping.dmp

Download
memory/1012-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1012-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1128-57-0x0000000005640000-0x00000000056D2000-memory.dmp

Filesize
584KB

Download
memory/1128-56-0x00000000054C0000-0x00000000055A6000-memory.dmp

Filesize
920KB

Download
memory/1128-55-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1128-54-0x00000000000F0000-0x00000000000F8000-memory.dmp

Filesize
32KB

Download
memory/1352-80-0x0000000000476274-mapping.dmp

Download
memory/1352-89-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1352-90-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1572-86-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1572-84-0x0000000000422206-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads