remcos | f1264487fba4a81c89589b909366c9a8f1c17cb3d5703aad256cf3917201a17e

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 07:56

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General

Target

Item_list0025.exe
Size

862KB
MD5

8c0808705c8abff0a07a6ca91c6df24e
SHA1

28aaae99c9b7290252d7f4bb8fd7e50e9942345c
SHA256

8957582ccd1876780ff5a43336984ee23ff03be1c8184a6ff9797828f52536e1
SHA512

1ff6598349a3d82f7160dcf3dc7189a85872ce5b47ac8bacd74bbfc166668573b2b923fabf07059dbc0bc8b5cf956993355219bcae26169440c5c8283217deac
SSDEEP

24576:mJci+WaRI9bCsla3fAqdfXu5IIhxiwe7:KmI9afu+Iff

Score

10^/10

remcos dk collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

64.188.20.186:5050

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-TPXVZV
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

resource	yara_rule
behavioral1/memory/3036-61-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/3036-75-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2956-53-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2956-72-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

resource	yara_rule
behavioral1/memory/2956-53-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/3036-61-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/1972-66-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1972-67-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2956-72-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/3036-75-0x0000000000400000-0x0000000000457000-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
T1552.001

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	Item_list0025.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 2936	2040	Item_list0025.exe	33
PID 2936 set thread context of 2956	2936	Item_list0025.exe	36
PID 2936 set thread context of 3036	2936	Item_list0025.exe	39
PID 2936 set thread context of 1972	2936	Item_list0025.exe	40

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

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/Job

T1053

pid	Process
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2040	Item_list0025.exe
2724	powershell.exe
2956	Item_list0025.exe
2956	Item_list0025.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2936	Item_list0025.exe
2936	Item_list0025.exe
2936	Item_list0025.exe
2936	Item_list0025.exe
2936	Item_list0025.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	Item_list0025.exe
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	1972	Item_list0025.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2724	2040	Item_list0025.exe	28
PID 2040 wrote to memory of 2724	2040	Item_list0025.exe	28
PID 2040 wrote to memory of 2724	2040	Item_list0025.exe	28
PID 2040 wrote to memory of 2724	2040	Item_list0025.exe	28
PID 2040 wrote to memory of 2768	2040	Item_list0025.exe	30
PID 2040 wrote to memory of 2768	2040	Item_list0025.exe	30
PID 2040 wrote to memory of 2768	2040	Item_list0025.exe	30
PID 2040 wrote to memory of 2768	2040	Item_list0025.exe	30
PID 2040 wrote to memory of 2764	2040	Item_list0025.exe	32
PID 2040 wrote to memory of 2764	2040	Item_list0025.exe	32
PID 2040 wrote to memory of 2764	2040	Item_list0025.exe	32
PID 2040 wrote to memory of 2764	2040	Item_list0025.exe	32
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2040 wrote to memory of 2936	2040	Item_list0025.exe	33
PID 2936 wrote to memory of 2956	2936	Item_list0025.exe	36
PID 2936 wrote to memory of 2956	2936	Item_list0025.exe	36
PID 2936 wrote to memory of 2956	2936	Item_list0025.exe	36
PID 2936 wrote to memory of 2956	2936	Item_list0025.exe	36
PID 2936 wrote to memory of 2956	2936	Item_list0025.exe	36
PID 2936 wrote to memory of 2960	2936	Item_list0025.exe	37
PID 2936 wrote to memory of 2960	2936	Item_list0025.exe	37
PID 2936 wrote to memory of 2960	2936	Item_list0025.exe	37
PID 2936 wrote to memory of 2960	2936	Item_list0025.exe	37
PID 2936 wrote to memory of 2168	2936	Item_list0025.exe	38
PID 2936 wrote to memory of 2168	2936	Item_list0025.exe	38
PID 2936 wrote to memory of 2168	2936	Item_list0025.exe	38
PID 2936 wrote to memory of 2168	2936	Item_list0025.exe	38
PID 2936 wrote to memory of 3036	2936	Item_list0025.exe	39
PID 2936 wrote to memory of 3036	2936	Item_list0025.exe	39
PID 2936 wrote to memory of 3036	2936	Item_list0025.exe	39
PID 2936 wrote to memory of 3036	2936	Item_list0025.exe	39
PID 2936 wrote to memory of 3036	2936	Item_list0025.exe	39
PID 2936 wrote to memory of 1972	2936	Item_list0025.exe	40
PID 2936 wrote to memory of 1972	2936	Item_list0025.exe	40
PID 2936 wrote to memory of 1972	2936	Item_list0025.exe	40
PID 2936 wrote to memory of 1972	2936	Item_list0025.exe	40
PID 2936 wrote to memory of 1972	2936	Item_list0025.exe	40

C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
"C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hFjPDstJByxXbg.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hFjPDstJByxXbg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA44B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2768
- C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
  "C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe"
  2⤵
  PID:2764
- C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
  "C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
    C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe /stext "C:\Users\Admin\AppData\Local\Temp\mgvlrtzqdg"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2956
- - C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
    C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe /stext "C:\Users\Admin\AppData\Local\Temp\pjjdsmjjromfz"
    3⤵
    PID:2960
- - C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
    C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe /stext "C:\Users\Admin\AppData\Local\Temp\pjjdsmjjromfz"
    3⤵
    PID:2168
- - C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
    C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe /stext "C:\Users\Admin\AppData\Local\Temp\pjjdsmjjromfz"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:3036
- - C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
    C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe /stext "C:\Users\Admin\AppData\Local\Temp\zdowseulnwekbygps"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\mgvlrtzqdg

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA44B.tmp

Filesize
1KB

MD5
cc0f01ba1d295e94297cc15ae19c307d

SHA1
70d424f7209c2120f27cbce982ff04caf84a43df

SHA256
ad2489aace77e9b39f0b0b06bfa68de65596808b247b41a42abe5bac7980280a

SHA512
b28a1377ea680053b571f8cbeadf4b8a3493553132a161fba166d71c6e6bb6752b89e116aaa2fa0fed1293ec024b3caf98c9bcbdf6ebd9dca001eb87f5d1085d

Download Submit
memory/1972-62-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1972-64-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1972-66-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1972-67-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2040-5-0x0000000000690000-0x000000000069C000-memory.dmp

Filesize
48KB

Download
memory/2040-1-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2040-30-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2040-4-0x0000000000540000-0x0000000000548000-memory.dmp

Filesize
32KB

Download
memory/2040-3-0x0000000000520000-0x0000000000538000-memory.dmp

Filesize
96KB

Download
memory/2040-2-0x0000000004960000-0x00000000049A0000-memory.dmp

Filesize
256KB

Download
memory/2040-0-0x00000000013C0000-0x000000000149E000-memory.dmp

Filesize
888KB

Download
memory/2040-6-0x00000000054C0000-0x0000000005578000-memory.dmp

Filesize
736KB

Download
memory/2724-46-0x0000000073A90000-0x000000007403B000-memory.dmp

Filesize
5.7MB

Download
memory/2724-41-0x00000000026C0000-0x0000000002700000-memory.dmp

Filesize
256KB

Download
memory/2724-36-0x00000000026C0000-0x0000000002700000-memory.dmp

Filesize
256KB

Download
memory/2724-34-0x0000000073A90000-0x000000007403B000-memory.dmp

Filesize
5.7MB

Download
memory/2724-35-0x00000000026C0000-0x0000000002700000-memory.dmp

Filesize
256KB

Download
memory/2724-33-0x0000000073A90000-0x000000007403B000-memory.dmp

Filesize
5.7MB

Download
memory/2936-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-81-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2936-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-91-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-85-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2936-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-76-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2936-79-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2936-80-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2936-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2936-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2956-72-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2956-53-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2956-49-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2956-51-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2956-47-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-75-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3036-61-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3036-58-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3036-55-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download