remcos | 700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 10:34

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General

Target

700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe
Size

908KB
MD5

101a0df83daf8836f9bf996d72c4c6a9
SHA1

c778e9a0ff2dab0404cf84ac4db2139aa4d2b000
SHA256

700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127
SHA512

2e6d4de5edfb066c81e08a6d04f82b09c44f520898d8328230b172dafda2197dc509dd6a58e0a345ffc74d403e9a7ff949e1ae2d20ac9f6152c41bf8bee60661
SSDEEP

24576:ZlDEOmXZLjtSvwE8hm3vVp7QbsKswxPSIk:kOUZLjAbh3vVNWRswI

Score

10^/10

remcos mekus discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

mekus

dpm-sael.com:2017

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
meckus-ODY51K
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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3060	powershell.exe
1628	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1980 set thread context of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95

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	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.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	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.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
4476	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1628	powershell.exe
3060	powershell.exe
1628	powershell.exe
3060	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeDebugPrivilege	1628	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
768	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 3060	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	89
PID 1980 wrote to memory of 3060	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	89
PID 1980 wrote to memory of 3060	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	89
PID 1980 wrote to memory of 1628	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	91
PID 1980 wrote to memory of 1628	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	91
PID 1980 wrote to memory of 1628	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	91
PID 1980 wrote to memory of 4476	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	93
PID 1980 wrote to memory of 4476	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	93
PID 1980 wrote to memory of 4476	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	93
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95
PID 1980 wrote to memory of 768	1980	700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe	95

C:\Users\Admin\AppData\Local\Temp\700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe
"C:\Users\Admin\AppData\Local\Temp\700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1980
- 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\700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3060
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GCjswFKGCv.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1628
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GCjswFKGCv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDB0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4476
- C:\Users\Admin\AppData\Local\Temp\700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe
  "C:\Users\Admin\AppData\Local\Temp\700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:768

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\remcos\logs.dat

Filesize
144B

MD5
0a7ee31e02a72132feaeaba80e8a520c

SHA1
9c943f9d81c80451f7c1433755077b5ba010057e

SHA256
f189f62707a5c6b56409c3494f436faaa63525228e0d802af91cf86f90ae5d90

SHA512
89725feb156ded182fabc98c3a923e3d0e286ab90f35f22f4129ea7f95913d697f37607e87ae5a15578fa419c01e9fa748096ef0f6ada46f9fabb1f3a328a735

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

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
04ea2e13581c57a81311ff502783acea

SHA1
1f44e088184ed218ff805bd40e7b15398261ef3a

SHA256
6bb4b2ce1d732798d72471d0089b6540a3ba2b40b6da7cdb7fc33e79e3c0dff0

SHA512
2a7c43bdc6701f7b974ea0a59fe697eb5d829760dbcc146ac9f113da078f6f4cf5f7eefe99431d6c4ac49e2d5a1de6b8bd02c5d1081f85028f7ae33240e1e651

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ko1goqdg.mjk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCDB0.tmp

Filesize
1KB

MD5
b09ed5d35c1c8ab3544002487182af1a

SHA1
0efcdc7130d757a89e6edc8409b5221e442a55d9

SHA256
93f7bbf6e04e85f96d90967f331ca2ceb6b7a614209d4d4232aad6aabab503d6

SHA512
37becc675f7dd5232a355465df4d86df0a064ca647cc42d39265605f17554ce5f69630590f0f10c807cfe61018107e97aef26afa8481db2b3c252b56c7c9aee0

Download Submit
memory/768-117-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-133-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-101-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-125-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-134-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/768-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1628-28-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/1628-62-0x000000006EFE0000-0x000000006F02C000-memory.dmp

Filesize
304KB

Download
memory/1628-52-0x0000000005E30000-0x0000000005E4E000-memory.dmp

Filesize
120KB

Download
memory/1628-95-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/1628-90-0x00000000073A0000-0x00000000073B4000-memory.dmp

Filesize
80KB

Download
memory/1628-89-0x0000000007390000-0x000000000739E000-memory.dmp

Filesize
56KB

Download
memory/1628-87-0x00000000073E0000-0x0000000007476000-memory.dmp

Filesize
600KB

Download
memory/1628-51-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/1628-33-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/1628-56-0x0000000005ED0000-0x0000000005F1C000-memory.dmp

Filesize
304KB

Download
memory/1628-84-0x00000000077A0000-0x0000000007E1A000-memory.dmp

Filesize
6.5MB

Download
memory/1628-85-0x0000000007160000-0x000000000717A000-memory.dmp

Filesize
104KB

Download
memory/1628-61-0x0000000006FF0000-0x0000000007022000-memory.dmp

Filesize
200KB

Download
memory/1628-17-0x0000000004F70000-0x0000000005598000-memory.dmp

Filesize
6.2MB

Download
memory/1628-81-0x0000000006FD0000-0x0000000006FEE000-memory.dmp

Filesize
120KB

Download
memory/1628-83-0x0000000007030000-0x00000000070D3000-memory.dmp

Filesize
652KB

Download
memory/1980-5-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/1980-4-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/1980-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/1980-6-0x0000000006E50000-0x0000000006E62000-memory.dmp

Filesize
72KB

Download
memory/1980-54-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/1980-7-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/1980-3-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download
memory/1980-2-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/1980-8-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/1980-9-0x0000000007310000-0x00000000073D0000-memory.dmp

Filesize
768KB

Download
memory/1980-1-0x00000000005C0000-0x00000000006AA000-memory.dmp

Filesize
936KB

Download
memory/1980-10-0x0000000009A40000-0x0000000009ADC000-memory.dmp

Filesize
624KB

Download
memory/3060-18-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3060-99-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3060-15-0x0000000005190000-0x00000000051C6000-memory.dmp

Filesize
216KB

Download
memory/3060-16-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3060-92-0x0000000007DA0000-0x0000000007DA8000-memory.dmp

Filesize
32KB

Download
memory/3060-91-0x0000000007DC0000-0x0000000007DDA000-memory.dmp

Filesize
104KB

Download
memory/3060-88-0x0000000007C80000-0x0000000007C91000-memory.dmp

Filesize
68KB

Download
memory/3060-86-0x0000000007B00000-0x0000000007B0A000-memory.dmp

Filesize
40KB

Download
memory/3060-72-0x000000006EFE0000-0x000000006F02C000-memory.dmp

Filesize
304KB

Download
memory/3060-22-0x00000000060F0000-0x0000000006156000-memory.dmp

Filesize
408KB

Download
memory/3060-35-0x0000000006160000-0x00000000064B4000-memory.dmp

Filesize
3.3MB

Download
memory/3060-20-0x00000000057A0000-0x00000000057C2000-memory.dmp

Filesize
136KB

Download
memory/3060-21-0x0000000005F10000-0x0000000005F76000-memory.dmp

Filesize
408KB

Download