remcos | d0b3a869d6b24ab7a223cc2b74d8be81f5071e36397fcf64c110a332fc6e0f0c

Analysis

max time kernel
150s
max time network
134s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/10/2022, 13:20

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General

Target
sample order.scr.exe
Size 1.2MB
Sample221007-qk4jwacfa2
SHA256 d0b3a869d6b24ab7a223cc2b74d8be81f5071e36397fcf64c110a332fc6e0f0c
MD5 4334fe2b2fc94acca8388291eece9ac8
SHA1 6eaff5e2672fbbdfd46b503365dbdc02ae668407
SHA512 4b721851b3ec1e888f5570f42fdc81410af6d251511b08ed246bb7dac6f6ff160f8630fa9750ffe09ea2e441f8e35c47681d7c827da32f772a29de2530b5ec72
SSDEEP 24576:Z1r1uXqY/jeTNSpOvDfB835LoipEUvJJD:Z7uXcNSU7J8tpEU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos ip-remcos collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

IP-REMCOS

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

resource	yara_rule
behavioral1/memory/1940-93-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/1940-95-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/692-92-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 4 IoCs

resource	yara_rule
behavioral1/memory/588-91-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/692-92-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1940-93-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/1940-95-0x0000000000400000-0x0000000000457000-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

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

description	pid	Process	procid_target
PID 1660 set thread context of 644	1660	sample order.scr.exe	32
PID 644 set thread context of 692	644	sample order.scr.exe	36
PID 644 set thread context of 1940	644	sample order.scr.exe	40
PID 644 set thread context of 588	644	sample order.scr.exe	39

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

pid	Process
1980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2020	powershell.exe
692	sample order.scr.exe
692	sample order.scr.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
644	sample order.scr.exe
644	sample order.scr.exe
644	sample order.scr.exe
644	sample order.scr.exe
644	sample order.scr.exe
644	sample order.scr.exe
644	sample order.scr.exe
644	sample order.scr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	powershell.exe
Token: SeDebugPrivilege	588	sample order.scr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
644	sample order.scr.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2020	1660	sample order.scr.exe	28
PID 1660 wrote to memory of 2020	1660	sample order.scr.exe	28
PID 1660 wrote to memory of 2020	1660	sample order.scr.exe	28
PID 1660 wrote to memory of 2020	1660	sample order.scr.exe	28
PID 1660 wrote to memory of 1980	1660	sample order.scr.exe	30
PID 1660 wrote to memory of 1980	1660	sample order.scr.exe	30
PID 1660 wrote to memory of 1980	1660	sample order.scr.exe	30
PID 1660 wrote to memory of 1980	1660	sample order.scr.exe	30
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 1660 wrote to memory of 644	1660	sample order.scr.exe	32
PID 644 wrote to memory of 340	644	sample order.scr.exe	34
PID 644 wrote to memory of 340	644	sample order.scr.exe	34
PID 644 wrote to memory of 340	644	sample order.scr.exe	34
PID 644 wrote to memory of 340	644	sample order.scr.exe	34
PID 644 wrote to memory of 2016	644	sample order.scr.exe	35
PID 644 wrote to memory of 2016	644	sample order.scr.exe	35
PID 644 wrote to memory of 2016	644	sample order.scr.exe	35
PID 644 wrote to memory of 2016	644	sample order.scr.exe	35
PID 644 wrote to memory of 692	644	sample order.scr.exe	36
PID 644 wrote to memory of 692	644	sample order.scr.exe	36
PID 644 wrote to memory of 692	644	sample order.scr.exe	36
PID 644 wrote to memory of 692	644	sample order.scr.exe	36
PID 644 wrote to memory of 692	644	sample order.scr.exe	36
PID 644 wrote to memory of 2012	644	sample order.scr.exe	38
PID 644 wrote to memory of 2012	644	sample order.scr.exe	38
PID 644 wrote to memory of 2012	644	sample order.scr.exe	38
PID 644 wrote to memory of 2012	644	sample order.scr.exe	38
PID 644 wrote to memory of 432	644	sample order.scr.exe	37
PID 644 wrote to memory of 432	644	sample order.scr.exe	37
PID 644 wrote to memory of 432	644	sample order.scr.exe	37
PID 644 wrote to memory of 432	644	sample order.scr.exe	37
PID 644 wrote to memory of 668	644	sample order.scr.exe	41
PID 644 wrote to memory of 668	644	sample order.scr.exe	41
PID 644 wrote to memory of 668	644	sample order.scr.exe	41
PID 644 wrote to memory of 668	644	sample order.scr.exe	41
PID 644 wrote to memory of 1940	644	sample order.scr.exe	40
PID 644 wrote to memory of 1940	644	sample order.scr.exe	40
PID 644 wrote to memory of 1940	644	sample order.scr.exe	40
PID 644 wrote to memory of 1940	644	sample order.scr.exe	40
PID 644 wrote to memory of 1940	644	sample order.scr.exe	40
PID 644 wrote to memory of 588	644	sample order.scr.exe	39
PID 644 wrote to memory of 588	644	sample order.scr.exe	39
PID 644 wrote to memory of 588	644	sample order.scr.exe	39
PID 644 wrote to memory of 588	644	sample order.scr.exe	39
PID 644 wrote to memory of 588	644	sample order.scr.exe	39

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:1660
- 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:2020
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\icsOakcPSkFF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA4C8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1980
- 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:644
- - 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\qpsbizwfeeyexxngwpmsyalymqcc"
    3⤵
    PID:340
- - 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\qpsbizwfeeyexxngwpmsyalymqcc"
    3⤵
    PID:2016
- - 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\qpsbizwfeeyexxngwpmsyalymqcc"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:692
- - 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\bjyuikhysmqrzmckfaytjfghvwulwqr"
    3⤵
    PID:432
- - 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\bjyuikhysmqrzmckfaytjfghvwulwqr"
    3⤵
    PID:2012
- - 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\dlde"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:588
- - 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\bjyuikhysmqrzmckfaytjfghvwulwqr"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:1940
- - 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\bjyuikhysmqrzmckfaytjfghvwulwqr"
    3⤵
    PID:668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

qpsbizwfeeyexxngwpmsyalymqcc

Path C:\Users\Admin\AppData\Local\Temp\qpsbizwfeeyexxngwpmsyalymqcc
Size 2B
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
MD5 SHA1 SHA512

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tmpA4C8.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpA4C8.tmp
Size 1KB
SHA256 9e0827b48975b11cd4181ab66744feb5e7e3e2555e317091f8b66335e884d1dd
MD5 6928cbe9cc6cbb5d4038ff7f9331b9a4
SHA1 f2f543fa9d5718e38420f6a378c6c09d09156339
SHA512 c41fc91555a4e9d7d914023264d9642909932e2f8185cd9592b7a027283e31892f67c082272b00a99efbe59c3db9983283e3c409fdb12fa737030752d15c0fc0
MD5 SHA1 SHA512

Submit Download

memory/588-91-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/644-82-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-80-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-84-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-76-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-64-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-65-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-67-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-69-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-70-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-71-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-72-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/644-74-0x0000000000400000-0x000000000047F000-memory.dmp

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memory/692-92-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/1660-56-0x0000000000390000-0x00000000003A8000-memory.dmp

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memory/1660-58-0x0000000005EA0000-0x0000000005F74000-memory.dmp

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memory/1660-54-0x0000000000150000-0x0000000000288000-memory.dmp

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memory/1660-57-0x0000000000370000-0x000000000037C000-memory.dmp

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memory/1660-63-0x0000000005420000-0x00000000054A0000-memory.dmp

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memory/1660-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

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memory/1940-93-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/1940-95-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/2020-81-0x000000006E3F0000-0x000000006E99B000-memory.dmp

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memory/2020-83-0x000000006E3F0000-0x000000006E99B000-memory.dmp

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