remcos | f1264487fba4a81c89589b909366c9a8f1c17cb3d5703aad256cf3917201a17e

Analysis

max time kernel
155s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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
behavioral2/memory/4080-58-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral2/memory/4080-63-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/3768-61-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3768-71-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

resource	yara_rule
behavioral2/memory/4080-58-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/4080-63-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/3452-65-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3768-61-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3452-69-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3768-71-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	Item_list0025.exe

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-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	Item_list0025.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4356 set thread context of 3236	4356	Item_list0025.exe	100
PID 3236 set thread context of 3768	3236	Item_list0025.exe	101
PID 3236 set thread context of 4080	3236	Item_list0025.exe	104
PID 3236 set thread context of 3452	3236	Item_list0025.exe	105

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
3468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2076	powershell.exe
2076	powershell.exe
3768	Item_list0025.exe
3768	Item_list0025.exe
3452	Item_list0025.exe
3452	Item_list0025.exe
3768	Item_list0025.exe
3768	Item_list0025.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3236	Item_list0025.exe
3236	Item_list0025.exe
3236	Item_list0025.exe
3236	Item_list0025.exe
3236	Item_list0025.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	powershell.exe
Token: SeDebugPrivilege	3452	Item_list0025.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 2076	4356	Item_list0025.exe	96
PID 4356 wrote to memory of 2076	4356	Item_list0025.exe	96
PID 4356 wrote to memory of 2076	4356	Item_list0025.exe	96
PID 4356 wrote to memory of 3468	4356	Item_list0025.exe	98
PID 4356 wrote to memory of 3468	4356	Item_list0025.exe	98
PID 4356 wrote to memory of 3468	4356	Item_list0025.exe	98
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 4356 wrote to memory of 3236	4356	Item_list0025.exe	100
PID 3236 wrote to memory of 3768	3236	Item_list0025.exe	101
PID 3236 wrote to memory of 3768	3236	Item_list0025.exe	101
PID 3236 wrote to memory of 3768	3236	Item_list0025.exe	101
PID 3236 wrote to memory of 3768	3236	Item_list0025.exe	101
PID 3236 wrote to memory of 464	3236	Item_list0025.exe	103
PID 3236 wrote to memory of 464	3236	Item_list0025.exe	103
PID 3236 wrote to memory of 464	3236	Item_list0025.exe	103
PID 3236 wrote to memory of 4948	3236	Item_list0025.exe	102
PID 3236 wrote to memory of 4948	3236	Item_list0025.exe	102
PID 3236 wrote to memory of 4948	3236	Item_list0025.exe	102
PID 3236 wrote to memory of 4080	3236	Item_list0025.exe	104
PID 3236 wrote to memory of 4080	3236	Item_list0025.exe	104
PID 3236 wrote to memory of 4080	3236	Item_list0025.exe	104
PID 3236 wrote to memory of 4080	3236	Item_list0025.exe	104
PID 3236 wrote to memory of 3452	3236	Item_list0025.exe	105
PID 3236 wrote to memory of 3452	3236	Item_list0025.exe	105
PID 3236 wrote to memory of 3452	3236	Item_list0025.exe	105
PID 3236 wrote to memory of 3452	3236	Item_list0025.exe	105

C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe
"C:\Users\Admin\AppData\Local\Temp\Item_list0025.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4356
- 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:2076
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hFjPDstJByxXbg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A0F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3468
- 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:3236
- - 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\oybzdbnzcqlmtfc"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3768
- - 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\ztgseuyayydrelyipi"
    3⤵
    PID:4948
- - 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\ztgseuyayydrelyipi"
    3⤵
    PID:464
- - 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\ztgseuyayydrelyipi"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:4080
- - 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\jnulwmiumgvwgammytfio"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3452

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

Query Registry

T1012

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\__PSScriptPolicyTest_aptu2p2o.yzv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\oybzdbnzcqlmtfc

Filesize
4KB

MD5
320830fb2990210b35d02eb559f1b3f2

SHA1
fba985836640a92e69c58c643929b75f7635ee33

SHA256
155c37d976ae56d6d9d7bed09e2802dade565be58b8af769b1e815ceb044c318

SHA512
6e0536d68bc7f2c053a02879aaabeabb390913028f5986be4d2c3eee67db27f1c9bf1675e33ef28bad5afb7c542070cdae31b31a1493328dc6e36c23a78a9073

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6A0F.tmp

Filesize
1KB

MD5
cb54db5f9dc1cc6231e5e6f8001d1370

SHA1
57bc2632584b2c398c65bf0b66f0cfd5a74f51a5

SHA256
e9278e84b12178f2c510d13721062b50b48a1eeea36ea6ff9aa86d2b13dfbd40

SHA512
ce6d0dbd2d18e982738e1d60bd1b1ba40cc9eeb78386887bee026711c7d0d4ce03284135edc4ff39b185088cd3854c135a690d61192a1fb8b0a8545eeeb57cf6

Download Submit
memory/2076-17-0x0000000003100000-0x0000000003136000-memory.dmp

Filesize
216KB

Download
memory/2076-20-0x00000000030B0000-0x00000000030C0000-memory.dmp

Filesize
64KB

Download
memory/2076-101-0x0000000007F60000-0x0000000007F6E000-memory.dmp

Filesize
56KB

Download
memory/2076-100-0x0000000007F30000-0x0000000007F41000-memory.dmp

Filesize
68KB

Download
memory/2076-99-0x0000000007FB0000-0x0000000008046000-memory.dmp

Filesize
600KB

Download
memory/2076-98-0x0000000007DA0000-0x0000000007DAA000-memory.dmp

Filesize
40KB

Download
memory/2076-97-0x0000000007D30000-0x0000000007D4A000-memory.dmp

Filesize
104KB

Download
memory/2076-96-0x0000000008370000-0x00000000089EA000-memory.dmp

Filesize
6.5MB

Download
memory/2076-95-0x0000000007BD0000-0x0000000007C73000-memory.dmp

Filesize
652KB

Download
memory/2076-94-0x0000000006FA0000-0x0000000006FBE000-memory.dmp

Filesize
120KB

Download
memory/2076-18-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2076-47-0x00000000069F0000-0x0000000006A0E000-memory.dmp

Filesize
120KB

Download
memory/2076-19-0x00000000030B0000-0x00000000030C0000-memory.dmp

Filesize
64KB

Download
memory/2076-102-0x0000000007F70000-0x0000000007F84000-memory.dmp

Filesize
80KB

Download
memory/2076-21-0x0000000005AF0000-0x0000000006118000-memory.dmp

Filesize
6.2MB

Download
memory/2076-103-0x0000000008070000-0x000000000808A000-memory.dmp

Filesize
104KB

Download
memory/2076-83-0x000000007F6E0000-0x000000007F6F0000-memory.dmp

Filesize
64KB

Download
memory/2076-84-0x0000000070F60000-0x0000000070FAC000-memory.dmp

Filesize
304KB

Download
memory/2076-26-0x0000000005910000-0x0000000005932000-memory.dmp

Filesize
136KB

Download
memory/2076-81-0x0000000006FD0000-0x0000000007002000-memory.dmp

Filesize
200KB

Download
memory/2076-28-0x0000000006120000-0x0000000006186000-memory.dmp

Filesize
408KB

Download
memory/2076-82-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2076-30-0x0000000006380000-0x00000000063E6000-memory.dmp

Filesize
408KB

Download
memory/2076-104-0x0000000008050000-0x0000000008058000-memory.dmp

Filesize
32KB

Download
memory/2076-107-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2076-74-0x00000000030B0000-0x00000000030C0000-memory.dmp

Filesize
64KB

Download
memory/2076-42-0x0000000006530000-0x0000000006884000-memory.dmp

Filesize
3.3MB

Download
memory/2076-48-0x0000000006A50000-0x0000000006A9C000-memory.dmp

Filesize
304KB

Download
memory/3236-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-117-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-116-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-113-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-111-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3236-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-73-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3236-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3236-77-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3236-79-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3236-78-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3236-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3452-62-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3452-69-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3452-56-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3452-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3768-71-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3768-51-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3768-54-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3768-61-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4080-53-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4080-57-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4080-58-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4080-63-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4356-9-0x0000000007590000-0x0000000007648000-memory.dmp

Filesize
736KB

Download
memory/4356-7-0x0000000005150000-0x0000000005158000-memory.dmp

Filesize
32KB

Download
memory/4356-2-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/4356-1-0x0000000000250000-0x000000000032E000-memory.dmp

Filesize
888KB

Download
memory/4356-4-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/4356-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

Filesize
40KB

Download
memory/4356-6-0x0000000005120000-0x0000000005138000-memory.dmp

Filesize
96KB

Download
memory/4356-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/4356-8-0x0000000005180000-0x000000000518C000-memory.dmp

Filesize
48KB

Download
memory/4356-29-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4356-10-0x0000000009D40000-0x0000000009DDC000-memory.dmp

Filesize
624KB

Download
memory/4356-11-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4356-16-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/4356-0-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download