remcos | e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c

Analysis

max time kernel
118s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 20:03

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General

Target

e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
Size

893KB
MD5

c016b06a4942455df9ce8a58b72bcc90
SHA1

dba52afe33451c444fd5cf3c6aca9d2ced768d2c
SHA256

e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c
SHA512

961475a98cfdc14a29725b43c1807a3eda08a2257f50d216375faf262880ce39cf7847d00263d00fd1ce032ad14fbb003b3ab1e78bbd25b3a644f3d6746168fe
SSDEEP

24576:WNo7gN9rqhq/5UqutCi1BDUTskujqA5pd6p3MFHdIvYV:QL2hq/6q1i1h4v3A5pdSOWvY

Score

10^/10

remcos cee discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

cee

cee.work.gd:2531

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
ios
mouse_option
false
mutex
gig-1IH5DX
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
sos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3940	powershell.exe
2784	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105

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 5 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	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.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
4964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
2784	powershell.exe
3940	powershell.exe
1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
3940	powershell.exe
2784	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeDebugPrivilege	3940	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1664	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 3940	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	99
PID 1700 wrote to memory of 3940	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	99
PID 1700 wrote to memory of 3940	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	99
PID 1700 wrote to memory of 2784	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	101
PID 1700 wrote to memory of 2784	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	101
PID 1700 wrote to memory of 2784	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	101
PID 1700 wrote to memory of 4964	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	103
PID 1700 wrote to memory of 4964	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	103
PID 1700 wrote to memory of 4964	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	103
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105
PID 1700 wrote to memory of 1664	1700	e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe	105

C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
"C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3940
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xASiLfzXONGIW.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xASiLfzXONGIW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25F2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4964
- C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe
  "C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1664

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

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Downloads

C:\ProgramData\ios\logs.dat

Filesize
144B

MD5
8495a5fdbd7bc33f6086788952047ecf

SHA1
62ea5524d5369db74391b922b7ad7f5bedd05cb5

SHA256
18eeccf2463935f7aca629c03e020cde3a3b566025a64ead29ce45d55e608114

SHA512
fc80efa64477f1d0bad93994b473b17df2d56f9e89ae9ee7f77866487c7da0d15ce94a0c661b46a0c729c780109c96f2def1a2736908b33cffc394eb1d4fccd4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
7416b11a58bc9d126fee754b2583b914

SHA1
5a01070390b0c43b4b2c622d67a9a8058372ee5c

SHA256
6aa6524b63796ca668fd7b7508f5a2f09b16eb51d4bf49dcdff75d9bb714c98f

SHA512
dacee1df925e89ed7bf8739c7a9daf79327d0de908006e703031321b075d13d59acf76d3c29cd1805c2ec727441def6bdd726fa77ab98ac6b169ac647974b1ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_342qrsxh.1vq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp25F2.tmp

Filesize
1KB

MD5
70c75bdf2d3fcd0c2fe828600c05842b

SHA1
8bee5365cba1335bac3ba924f9738c81c9053a2c

SHA256
10e0f1a5d139a3a18cc55eda6dc2bfc1ce29211f8e04cb5ad41eb286aeafdb75

SHA512
5a3de4d402aba58c89f7a964ec90dbbcf81ea2c9e346ac9d435276267521db37a2602bd1b1403bc523d5834846e5547acc2da4cdb73dd1d1f4fe46fd234de612

Download Submit
memory/1664-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-116-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-115-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-108-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-107-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1664-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1700-10-0x0000000006AE0000-0x0000000006BA0000-memory.dmp

Filesize
768KB

Download
memory/1700-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1700-1-0x0000000000BF0000-0x0000000000CD6000-memory.dmp

Filesize
920KB

Download
memory/1700-2-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/1700-3-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/1700-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/1700-5-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/1700-6-0x0000000005990000-0x0000000005A2C000-memory.dmp

Filesize
624KB

Download
memory/1700-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1700-8-0x0000000005980000-0x0000000005992000-memory.dmp

Filesize
72KB

Download
memory/1700-7-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/1700-54-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2784-55-0x0000000005D00000-0x0000000005D1E000-memory.dmp

Filesize
120KB

Download
memory/2784-56-0x0000000005D30000-0x0000000005D7C000-memory.dmp

Filesize
304KB

Download
memory/2784-51-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2784-79-0x0000000074FF0000-0x000000007503C000-memory.dmp

Filesize
304KB

Download
memory/2784-23-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2784-100-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2784-25-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2784-20-0x0000000004CC0000-0x0000000004D26000-memory.dmp

Filesize
408KB

Download
memory/2784-91-0x0000000007260000-0x0000000007274000-memory.dmp

Filesize
80KB

Download
memory/2784-90-0x0000000007250000-0x000000000725E000-memory.dmp

Filesize
56KB

Download
memory/3940-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-75-0x0000000007E30000-0x00000000084AA000-memory.dmp

Filesize
6.5MB

Download
memory/3940-76-0x00000000077E0000-0x00000000077FA000-memory.dmp

Filesize
104KB

Download
memory/3940-77-0x0000000007860000-0x000000000786A000-memory.dmp

Filesize
40KB

Download
memory/3940-78-0x0000000007A60000-0x0000000007AF6000-memory.dmp

Filesize
600KB

Download
memory/3940-63-0x0000000074FF0000-0x000000007503C000-memory.dmp

Filesize
304KB

Download
memory/3940-89-0x00000000079E0000-0x00000000079F1000-memory.dmp

Filesize
68KB

Download
memory/3940-74-0x00000000074C0000-0x0000000007563000-memory.dmp

Filesize
652KB

Download
memory/3940-73-0x00000000069E0000-0x00000000069FE000-memory.dmp

Filesize
120KB

Download
memory/3940-92-0x0000000007B20000-0x0000000007B3A000-memory.dmp

Filesize
104KB

Download
memory/3940-93-0x0000000007B00000-0x0000000007B08000-memory.dmp

Filesize
32KB

Download
memory/3940-62-0x0000000006A80000-0x0000000006AB2000-memory.dmp

Filesize
200KB

Download
memory/3940-36-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-99-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-24-0x0000000005ED0000-0x0000000006224000-memory.dmp

Filesize
3.3MB

Download
memory/3940-22-0x0000000005690000-0x00000000056F6000-memory.dmp

Filesize
408KB

Download
memory/3940-19-0x0000000005400000-0x0000000005422000-memory.dmp

Filesize
136KB

Download
memory/3940-17-0x00000000057A0000-0x0000000005DC8000-memory.dmp

Filesize
6.2MB

Download
memory/3940-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-15-0x0000000002BA0000-0x0000000002BD6000-memory.dmp

Filesize
216KB

Download