remcos | 9618c4ca10c548db5e97be2bcff2995bd631c20135ba3cb99631d6554e50b7dc

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 09:25

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General

Target

DHL AWB# 13700658 DOCS.exe
Size

1.0MB
MD5

4f7f4be9f7d4dce08243c683cde82441
SHA1

05ae46d21d6ace8e5c6202d1721f429b9077a6fc
SHA256

d82420c6174978cbfa6a7ece576ad2e5e3bc66324126298e46f5b1845b6a11b3
SHA512

ecb7848144cf58974e089f0ea12d2a37ccf425f0e028407cfdcc9e160af5c574d699e7bf19b3442f890e9635fd400d7ae077d4acac092b306984de024c339d3f
SSDEEP

24576:HrycfLAsNBbi6oRqh/Jlmi4oHU1Ca5YkC:HjfLAsNo62EhoC+YkC

Score

10^/10

remcos 54436 discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

54436

jandupdate873.webredirect.org:45688

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
538-8Q7AZ1
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
Remcos family
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
4248	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	DHL AWB# 13700658 DOCS.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 836 set thread context of 2316	836	DHL AWB# 13700658 DOCS.exe	102

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DHL AWB# 13700658 DOCS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DHL AWB# 13700658 DOCS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
4328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4248	powershell.exe
4248	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4248	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 4248	836	DHL AWB# 13700658 DOCS.exe	98
PID 836 wrote to memory of 4248	836	DHL AWB# 13700658 DOCS.exe	98
PID 836 wrote to memory of 4248	836	DHL AWB# 13700658 DOCS.exe	98
PID 836 wrote to memory of 4328	836	DHL AWB# 13700658 DOCS.exe	100
PID 836 wrote to memory of 4328	836	DHL AWB# 13700658 DOCS.exe	100
PID 836 wrote to memory of 4328	836	DHL AWB# 13700658 DOCS.exe	100
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102
PID 836 wrote to memory of 2316	836	DHL AWB# 13700658 DOCS.exe	102

C:\Users\Admin\AppData\Local\Temp\DHL AWB# 13700658 DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB# 13700658 DOCS.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SwWvEWWGz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4248
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SwWvEWWGz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED0F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4328
- C:\Users\Admin\AppData\Local\Temp\DHL AWB# 13700658 DOCS.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL AWB# 13700658 DOCS.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316

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:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t4bhafh3.okj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpED0F.tmp

Filesize
1KB

MD5
d617634b4791a0fac0b0a09e23bef19d

SHA1
d0493d0c2cf820ba9acb11b74459b0985da4c579

SHA256
73d74c304c228efde71cc4f7b124388d3d8c5d552d45fb884b8884f4a485f08b

SHA512
39c7737051e0aa7b12fb58c946b28fe60de41ba92a4e1a8577ba6fd54378c5d45c512ac5158921ad6f0f49536a052eb4aeaf51e28ade24766bfedc64583a88a0

Download Submit
memory/836-6-0x0000000005790000-0x000000000582C000-memory.dmp

Filesize
624KB

Download
memory/836-3-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/836-5-0x0000000005680000-0x000000000568A000-memory.dmp

Filesize
40KB

Download
memory/836-4-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/836-2-0x0000000005990000-0x0000000005F34000-memory.dmp

Filesize
5.6MB

Download
memory/836-7-0x00000000068E0000-0x0000000006906000-memory.dmp

Filesize
152KB

Download
memory/836-8-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/836-9-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/836-10-0x000000000A6F0000-0x000000000A7B0000-memory.dmp

Filesize
768KB

Download
memory/836-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/836-40-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/836-1-0x0000000000B50000-0x0000000000C60000-memory.dmp

Filesize
1.1MB

Download
memory/2316-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2316-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4248-21-0x0000000005FC0000-0x0000000006026000-memory.dmp

Filesize
408KB

Download
memory/4248-47-0x0000000007650000-0x0000000007682000-memory.dmp

Filesize
200KB

Download
memory/4248-48-0x0000000072D30000-0x0000000072D7C000-memory.dmp

Filesize
304KB

Download
memory/4248-58-0x0000000007890000-0x00000000078AE000-memory.dmp

Filesize
120KB

Download
memory/4248-59-0x00000000078B0000-0x0000000007953000-memory.dmp

Filesize
652KB

Download
memory/4248-43-0x0000000006740000-0x000000000678C000-memory.dmp

Filesize
304KB

Download
memory/4248-62-0x0000000008020000-0x000000000869A000-memory.dmp

Filesize
6.5MB

Download
memory/4248-63-0x00000000079D0000-0x00000000079EA000-memory.dmp

Filesize
104KB

Download
memory/4248-64-0x0000000007A40000-0x0000000007A4A000-memory.dmp

Filesize
40KB

Download
memory/4248-65-0x0000000007C50000-0x0000000007CE6000-memory.dmp

Filesize
600KB

Download
memory/4248-66-0x0000000007BD0000-0x0000000007BE1000-memory.dmp

Filesize
68KB

Download
memory/4248-67-0x0000000007C00000-0x0000000007C0E000-memory.dmp

Filesize
56KB

Download
memory/4248-68-0x0000000007C10000-0x0000000007C24000-memory.dmp

Filesize
80KB

Download
memory/4248-69-0x0000000007D10000-0x0000000007D2A000-memory.dmp

Filesize
104KB

Download
memory/4248-70-0x0000000007CF0000-0x0000000007CF8000-memory.dmp

Filesize
32KB

Download
memory/4248-73-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4248-41-0x00000000066B0000-0x00000000066CE000-memory.dmp

Filesize
120KB

Download
memory/4248-22-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4248-34-0x00000000060A0000-0x00000000063F4000-memory.dmp

Filesize
3.3MB

Download
memory/4248-23-0x0000000006030000-0x0000000006096000-memory.dmp

Filesize
408KB

Download
memory/4248-20-0x0000000005F20000-0x0000000005F42000-memory.dmp

Filesize
136KB

Download
memory/4248-17-0x00000000057C0000-0x0000000005DE8000-memory.dmp

Filesize
6.2MB

Download
memory/4248-18-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4248-16-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4248-15-0x0000000002DE0000-0x0000000002E16000-memory.dmp

Filesize
216KB

Download