remcos | 66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 14:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

QUOTATION.exe
Size

900KB
MD5

a1e1f9aef9a168423b2f0cd1dbe2ba9a
SHA1

921abb3a628f79b295c92d7298da8dfedc1b9376
SHA256

66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d
SHA512

6281720fd5a85723cb6cc85845fa4895cf0190cad58a4924c2a36a0d7d7b6f41b4a2f1c7bf005e969c5e973294c287a3c5c1c2c91029fd40b0d6a697e2bcd673
SSDEEP

24576:kpdp7oz4EdD2Vw6byE1MVoLVKbG65MyekkQ40e8nk9IN:kP7iqLy5VoLVCdJe5QX

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.projectusf.com: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
gfh
mouse_option
false
mutex
Rmc-J91LMC
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
5060	powershell.exe

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	QUOTATION.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1516 set thread context of 2620	1516	QUOTATION.exe	93

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTATION.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTATION.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5060	powershell.exe
5060	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5060	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2620	QUOTATION.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 5060	1516	QUOTATION.exe	89
PID 1516 wrote to memory of 5060	1516	QUOTATION.exe	89
PID 1516 wrote to memory of 5060	1516	QUOTATION.exe	89
PID 1516 wrote to memory of 2524	1516	QUOTATION.exe	91
PID 1516 wrote to memory of 2524	1516	QUOTATION.exe	91
PID 1516 wrote to memory of 2524	1516	QUOTATION.exe	91
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93
PID 1516 wrote to memory of 2620	1516	QUOTATION.exe	93

C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AWLIvgmtRIHlb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5060
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AWLIvgmtRIHlb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCC6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2524
- C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
c0a82fb5c3afae6997e7485cadc92847

SHA1
b6479740cb68d77b2e977088d2c28d6804ea5d1c

SHA256
b133ef013ec43af2cd64c1d10b1e9b6158394feec87ed7998836f3030009dd95

SHA512
94ff92aad2c6dfe9cc6978ca4b8165440b8c7867b6d2cf2a9e82d607c051af38df186a73444bbde86ac152d55cd44aba7b2b154b4334216ae904166a901cfdfb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wq205nxx.3gv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCCC6.tmp

Filesize
1KB

MD5
f326fce9193889716e0795713aaca6f3

SHA1
6971783dad66400699e3c84b650b579a839c6024

SHA256
e1e5c08a16bc2ebdd846bf18b39c7dc1a3da8cdc91d704235d94887fb6545928

SHA512
d713a80e2eef623a2d88ebbfb4e67e4b78d08e5de64a934fc4240f1967f7b3e91b35da9d8ff9b940e9d3581a253e2dfb24e15f99abc270a6f284b6385ad740a9

Download Submit
memory/1516-6-0x0000000005450000-0x0000000005462000-memory.dmp

Filesize
72KB

Download
memory/1516-4-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1516-5-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/1516-30-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1516-7-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/1516-8-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1516-9-0x0000000008F90000-0x0000000009050000-memory.dmp

Filesize
768KB

Download
memory/1516-10-0x000000000B840000-0x000000000B8DC000-memory.dmp

Filesize
624KB

Download
memory/1516-3-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/1516-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/1516-1-0x00000000006E0000-0x00000000007C8000-memory.dmp

Filesize
928KB

Download
memory/1516-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/2620-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-94-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2620-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5060-18-0x00000000058C0000-0x0000000005EE8000-memory.dmp

Filesize
6.2MB

Download
memory/5060-53-0x00000000711D0000-0x000000007121C000-memory.dmp

Filesize
304KB

Download
memory/5060-63-0x0000000006B60000-0x0000000006B7E000-memory.dmp

Filesize
120KB

Download
memory/5060-64-0x00000000075F0000-0x0000000007693000-memory.dmp

Filesize
652KB

Download
memory/5060-65-0x0000000007F50000-0x00000000085CA000-memory.dmp

Filesize
6.5MB

Download
memory/5060-66-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/5060-67-0x0000000007980000-0x000000000798A000-memory.dmp

Filesize
40KB

Download
memory/5060-68-0x0000000007B90000-0x0000000007C26000-memory.dmp

Filesize
600KB

Download
memory/5060-69-0x0000000007B10000-0x0000000007B21000-memory.dmp

Filesize
68KB

Download
memory/5060-70-0x0000000007B40000-0x0000000007B4E000-memory.dmp

Filesize
56KB

Download
memory/5060-71-0x0000000007B50000-0x0000000007B64000-memory.dmp

Filesize
80KB

Download
memory/5060-72-0x0000000007C50000-0x0000000007C6A000-memory.dmp

Filesize
104KB

Download
memory/5060-73-0x0000000007C30000-0x0000000007C38000-memory.dmp

Filesize
32KB

Download
memory/5060-77-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/5060-52-0x00000000075B0000-0x00000000075E2000-memory.dmp

Filesize
200KB

Download
memory/5060-46-0x0000000006B90000-0x0000000006BDC000-memory.dmp

Filesize
304KB

Download
memory/5060-45-0x00000000065E0000-0x00000000065FE000-memory.dmp

Filesize
120KB

Download
memory/5060-44-0x0000000006140000-0x0000000006494000-memory.dmp

Filesize
3.3MB

Download
memory/5060-38-0x0000000005EF0000-0x0000000005F56000-memory.dmp

Filesize
408KB

Download
memory/5060-39-0x0000000005FD0000-0x0000000006036000-memory.dmp

Filesize
408KB

Download
memory/5060-32-0x0000000005820000-0x0000000005842000-memory.dmp

Filesize
136KB

Download
memory/5060-28-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/5060-19-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/5060-17-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/5060-15-0x0000000002D00000-0x0000000002D36000-memory.dmp

Filesize
216KB

Download