remcos | 554b40336bad24df88cbde544cdf20d553d02ce7fee5dab9a82318d7c21471e0

General

Target

SecuriteInfo.com.Win32.PWSX-gen.292.exe
Size

966KB
MD5

9beaec299e48eb0072fd6e270d8e8cd3
SHA1

a719b69d48a210af3749bccd27b4ad5185c35d8d
SHA256

554b40336bad24df88cbde544cdf20d553d02ce7fee5dab9a82318d7c21471e0
SHA512

d0742bee412db3abdb8ddee99ceaf45721f6c72c2b9044838d755b6e8a51377831177eb087f709efee31dc36871e2e274338734731e3d89519bebfb1e74c0733
SSDEEP

24576:dtHKWYHu2k6ei445zcNjNGbr3SN2jcjR11O7Akmla:7KWYHu2kf745zCa3SN2jcjRuUkK

Score

10^/10

remcos buddy collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

BUDDY

C2

192.210.201.57:52499

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-LMLI87
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

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/2440-47-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2440-70-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/2676-51-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2676-48-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2676-59-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2676-51-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2676-48-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2440-47-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2476-53-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2476-54-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2676-59-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2440-70-0x0000000000400000-0x0000000000462000-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
T1552.001

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exeSecuriteInfo.com.Win32.PWSX-gen.292.exe

description	pid	process	target process
PID 2504 set thread context of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 set thread context of 2676	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 set thread context of 2440	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 set thread context of 2476	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exeSecuriteInfo.com.Win32.PWSX-gen.292.exe

pid process

2504 SecuriteInfo.com.Win32.PWSX-gen.292.exe
2676 SecuriteInfo.com.Win32.PWSX-gen.292.exe
2676 SecuriteInfo.com.Win32.PWSX-gen.292.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid process

2852 SecuriteInfo.com.Win32.PWSX-gen.292.exe
2852 SecuriteInfo.com.Win32.PWSX-gen.292.exe
2852 SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid	process
2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe
2676	SecuriteInfo.com.Win32.PWSX-gen.292.exe
2676	SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid	process
2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe
2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe
2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exeSecuriteInfo.com.Win32.PWSX-gen.292.exe

description	pid	process
Token: SeDebugPrivilege	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe
Token: SeDebugPrivilege	2476	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid process

2852 SecuriteInfo.com.Win32.PWSX-gen.292.exe

pid	process
2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.292.exeSecuriteInfo.com.Win32.PWSX-gen.292.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe"
2⤵
PID:2684

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe /stext "C:\Users\Admin\AppData\Local\Temp\eviohrhtjijsjoxynjjvzfppzwpj"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2676

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe /stext "C:\Users\Admin\AppData\Local\Temp\opnghjsmxrbxlctcwuwwcsbgakhsjzg"
3⤵
- Accesses Microsoft Outlook accounts
PID:2440

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.292.exe /stext "C:\Users\Admin\AppData\Local\Temp\rrsr"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2476

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
f3d641c23185e76909e32488f546cbdd

SHA1
65a1772e92aa23db16f5413222d48f283f64b51e

SHA256
4ad215919308fcfd499d0442d8257d5e9d92d313830faa616e3cb983959886ec

SHA512
5a7971ae2827faf5b4025d92e424b1e063fb9a6ee6e851935786053f6bdf01d9812a4d1bcd217f0ae23404f6ed5df046aa248034c3bf7d89d81c50f662f7e6ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\eviohrhtjijsjoxynjjvzfppzwpj
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2440-38-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2440-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2440-47-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2440-70-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2476-54-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2476-52-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2476-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2476-50-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2476-53-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2504-3-0x0000000000540000-0x0000000000550000-memory.dmp

Filesize
64KB

Download
memory/2504-0-0x0000000000BB0000-0x0000000000CA6000-memory.dmp

Filesize
984KB

Download
memory/2504-5-0x00000000050E0000-0x00000000051A0000-memory.dmp

Filesize
768KB

Download
memory/2504-21-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-4-0x0000000000560000-0x000000000056C000-memory.dmp

Filesize
48KB

Download
memory/2504-2-0x0000000004470000-0x00000000044B0000-memory.dmp

Filesize
256KB

Download
memory/2504-1-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-35-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2676-44-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2676-48-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2676-59-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2676-51-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2852-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-62-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2852-67-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2852-65-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2852-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-68-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2852-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-77-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2852-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2852-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

description	pid	process	target process
PID 2504 wrote to memory of 2684	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2684	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2684	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2684	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2504 wrote to memory of 2852	2504	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2676	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2676	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2676	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2676	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2676	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2440	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2440	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2440	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2440	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2440	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2476	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2476	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2476	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2476	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe
PID 2852 wrote to memory of 2476	2852	SecuriteInfo.com.Win32.PWSX-gen.292.exe	SecuriteInfo.com.Win32.PWSX-gen.292.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads