remcos | d0b3a869d6b24ab7a223cc2b74d8be81f5071e36397fcf64c110a332fc6e0f0c

General

Target

sample order.scr.exe
Size

1.2MB
MD5

4334fe2b2fc94acca8388291eece9ac8
SHA1

6eaff5e2672fbbdfd46b503365dbdc02ae668407
SHA256

d0b3a869d6b24ab7a223cc2b74d8be81f5071e36397fcf64c110a332fc6e0f0c
SHA512

4b721851b3ec1e888f5570f42fdc81410af6d251511b08ed246bb7dac6f6ff160f8630fa9750ffe09ea2e441f8e35c47681d7c827da32f772a29de2530b5ec72
SSDEEP

24576:Z1r1uXqY/jeTNSpOvDfB835LoipEUvJJD:Z7uXcNSU7J8tpEU

Score

10^/10

remcos ip-remcos collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

IP-REMCOS

C2

91.192.100.12:2404

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-JS00ZN
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/608-91-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/608-95-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/1652-92-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/1652-93-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1496-89-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/608-91-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/1652-92-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1652-93-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/608-95-0x0000000000400000-0x0000000000457000-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:

sample order.scr.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	sample order.scr.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

sample order.scr.exesample order.scr.exe

description	pid	process	target process
PID 1932 set thread context of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 676 set thread context of 1652	676	sample order.scr.exe	sample order.scr.exe
PID 676 set thread context of 608	676	sample order.scr.exe	sample order.scr.exe
PID 676 set thread context of 1496	676	sample order.scr.exe	sample order.scr.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

816 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exesample order.scr.exe

pid process

1080 powershell.exe
1652 sample order.scr.exe
1652 sample order.scr.exe
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

sample order.scr.exe

pid process

676 sample order.scr.exe
676 sample order.scr.exe
676 sample order.scr.exe
676 sample order.scr.exe
676 sample order.scr.exe
676 sample order.scr.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exesample order.scr.exe

description pid process

Token: SeDebugPrivilege 1080 powershell.exe
Token: SeDebugPrivilege 1496 sample order.scr.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sample order.scr.exe

pid process

676 sample order.scr.exe

pid	process
816	schtasks.exe

pid	process
1080	powershell.exe
1652	sample order.scr.exe
1652	sample order.scr.exe

pid	process
676	sample order.scr.exe
676	sample order.scr.exe
676	sample order.scr.exe
676	sample order.scr.exe
676	sample order.scr.exe
676	sample order.scr.exe

description	pid	process
Token: SeDebugPrivilege	1080	powershell.exe
Token: SeDebugPrivilege	1496	sample order.scr.exe

pid	process
676	sample order.scr.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

sample order.scr.exesample order.scr.exe

description	pid	process	target process
PID 1932 wrote to memory of 1080	1932	sample order.scr.exe	powershell.exe
PID 1932 wrote to memory of 1080	1932	sample order.scr.exe	powershell.exe
PID 1932 wrote to memory of 1080	1932	sample order.scr.exe	powershell.exe
PID 1932 wrote to memory of 1080	1932	sample order.scr.exe	powershell.exe
PID 1932 wrote to memory of 816	1932	sample order.scr.exe	schtasks.exe
PID 1932 wrote to memory of 816	1932	sample order.scr.exe	schtasks.exe
PID 1932 wrote to memory of 816	1932	sample order.scr.exe	schtasks.exe
PID 1932 wrote to memory of 816	1932	sample order.scr.exe	schtasks.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 1932 wrote to memory of 676	1932	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1524	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1524	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1524	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1524	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1316	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1316	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1316	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1316	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1652	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1652	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1652	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1652	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1652	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 608	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 608	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 608	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 608	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 608	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 2028	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 2028	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 2028	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 2028	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1496	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1496	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1496	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1496	676	sample order.scr.exe	sample order.scr.exe
PID 676 wrote to memory of 1496	676	sample order.scr.exe	sample order.scr.exe

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\icsOakcPSkFF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1080

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\icsOakcPSkFF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA620.tmp"
2⤵
- Creates scheduled task(s)
PID:816

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:676

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tfiqjoudtiutefgr"
3⤵
PID:1524

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tfiqjoudtiutefgr"
3⤵
PID:1316

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tfiqjoudtiutefgr"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1652

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fcatlryydyekqzqzpfuznxt"
3⤵
PID:2028

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fcatlryydyekqzqzpfuznxt"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1496

C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\vhnjkyfwpqmxgtcvguzy"
3⤵
- Accesses Microsoft Outlook accounts
PID:608

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA620.tmp
Filesize
1KB

MD5
6928cbe9cc6cbb5d4038ff7f9331b9a4

SHA1
f2f543fa9d5718e38420f6a378c6c09d09156339

SHA256
9e0827b48975b11cd4181ab66744feb5e7e3e2555e317091f8b66335e884d1dd

SHA512
c41fc91555a4e9d7d914023264d9642909932e2f8185cd9592b7a027283e31892f67c082272b00a99efbe59c3db9983283e3c409fdb12fa737030752d15c0fc0

Download Submit
memory/608-84-0x0000000000455238-mapping.dmp

Download
memory/608-95-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/608-91-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/676-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-77-0x00000000004327A4-mapping.dmp

Download
memory/676-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/676-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/816-60-0x0000000000000000-mapping.dmp

Download
memory/1080-90-0x000000006E460000-0x000000006EA0B000-memory.dmp

Filesize
5.7MB

Download
memory/1080-81-0x000000006E460000-0x000000006EA0B000-memory.dmp

Filesize
5.7MB

Download
memory/1080-59-0x0000000000000000-mapping.dmp

Download
memory/1496-87-0x0000000000422206-mapping.dmp

Download
memory/1496-89-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1652-83-0x0000000000476274-mapping.dmp

Download
memory/1652-92-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1652-93-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1932-54-0x0000000000130000-0x0000000000268000-memory.dmp

Filesize
1.2MB

Download
memory/1932-63-0x0000000009CC0000-0x0000000009D40000-memory.dmp

Filesize
512KB

Download
memory/1932-58-0x0000000005E10000-0x0000000005EE4000-memory.dmp

Filesize
848KB

Download
memory/1932-57-0x00000000005E0000-0x00000000005EC000-memory.dmp

Filesize
48KB

Download
memory/1932-56-0x00000000005C0000-0x00000000005D8000-memory.dmp

Filesize
96KB

Download
memory/1932-55-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads