remcos | b162074bf62543007615d08db1dffa75022858944a0ecc5de5ed8d3be561e3da

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 07:11

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Report Analysis Logs

General

Target

Payment Invoice.exe
Size

910KB
MD5

783addabb1e7dcb48130649faaf852c7
SHA1

c87553da7df62530e9262b35930d6a15aff4949a
SHA256

b162074bf62543007615d08db1dffa75022858944a0ecc5de5ed8d3be561e3da
SHA512

9f352fd443bd680a71ce1a4ece252baa81c2c293727d520ce57da93d461808f50be6c22f4a6f8e0a18f0857785b47f783f1f3cc6c41442275c12149e067b3c3b
SSDEEP

24576:IsWW2f6w8r89u8TeWMkzIULsHTJMGoMzyc/VdK:IsT2fTC8BSWMkluMMzyctd

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

bignight.net:3363

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-1XSDBO
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

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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	Payment Invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 4776	2408	Payment Invoice.exe	100

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
4664	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4520	powershell.exe
2408	Payment Invoice.exe
2408	Payment Invoice.exe
2408	Payment Invoice.exe
2408	Payment Invoice.exe
2408	Payment Invoice.exe
2408	Payment Invoice.exe
2744	powershell.exe
2744	powershell.exe
4520	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4776	Payment Invoice.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4520	powershell.exe
Token: SeDebugPrivilege	2408	Payment Invoice.exe
Token: SeDebugPrivilege	2744	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4776	Payment Invoice.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 4520	2408	Payment Invoice.exe	91
PID 2408 wrote to memory of 4520	2408	Payment Invoice.exe	91
PID 2408 wrote to memory of 4520	2408	Payment Invoice.exe	91
PID 2408 wrote to memory of 2744	2408	Payment Invoice.exe	93
PID 2408 wrote to memory of 2744	2408	Payment Invoice.exe	93
PID 2408 wrote to memory of 2744	2408	Payment Invoice.exe	93
PID 2408 wrote to memory of 4664	2408	Payment Invoice.exe	95
PID 2408 wrote to memory of 4664	2408	Payment Invoice.exe	95
PID 2408 wrote to memory of 4664	2408	Payment Invoice.exe	95
PID 2408 wrote to memory of 4152	2408	Payment Invoice.exe	97
PID 2408 wrote to memory of 4152	2408	Payment Invoice.exe	97
PID 2408 wrote to memory of 4152	2408	Payment Invoice.exe	97
PID 2408 wrote to memory of 2932	2408	Payment Invoice.exe	98
PID 2408 wrote to memory of 2932	2408	Payment Invoice.exe	98
PID 2408 wrote to memory of 2932	2408	Payment Invoice.exe	98
PID 2408 wrote to memory of 3276	2408	Payment Invoice.exe	99
PID 2408 wrote to memory of 3276	2408	Payment Invoice.exe	99
PID 2408 wrote to memory of 3276	2408	Payment Invoice.exe	99
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100
PID 2408 wrote to memory of 4776	2408	Payment Invoice.exe	100

C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408
- 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\Payment Invoice.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HFqduGIsFotY.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HFqduGIsFotY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6409.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4664
- C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
  2⤵
  PID:4152
- C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
  2⤵
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
  2⤵
  PID:3276
- C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:4776

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
62ef8dc98b85f23267b5270efb0c962c

SHA1
4ecfbff7842e100e49aaf52fd3989c8f2c1ca89b

SHA256
5146add6e99bf526973962cf62b83dc78ac2e2aa53cc4331f1a2717f35e01cfa

SHA512
a439737468b24546577ceec70beaa65b0e2bb1b11a4cbb5bedf6291dce2651929a864c3e5e5f947a0fb054f3de4dacf953cac7d429318394fa69671605abb1da

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
f3b2f12e9d6d5bc142b80043c91b5416

SHA1
9ac9c4aab7e724c381be28c84833fa24a21e3d6c

SHA256
35eb48148391348ca31ba9a3fa599046355e7ee78059eed27f041bd82774eef8

SHA512
7b6fed69b3496e0c9f4dd748ee73dfa640a30c775b8ddbf05f665ad1427c57a1711e2e819bd1afad32684556ac7ed15d5dfd8635a95b259c7a0d2cdcb211b339

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l3fv0frb.3va.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6409.tmp

Filesize
1KB

MD5
c5532a1b921db5f0d60f393e9897e0e6

SHA1
91e120a10fb0e2f43608196e6c8f2792f72357a9

SHA256
05990cf86ab5c77c43ef44b90341a3351371bed74de7744dd33aade87faa6c3b

SHA512
693a40d908b371157025b16edf423ca2f154fd9c723cfa4bc0bfc833214c529a246fa1aefc8fa0354b0bb61c3700ac8138e12abfffd4272a16c52f1de7bbbb0f

Download Submit
memory/2408-7-0x0000000004EA0000-0x0000000004EA8000-memory.dmp

Filesize
32KB

Download
memory/2408-6-0x0000000005260000-0x0000000005278000-memory.dmp

Filesize
96KB

Download
memory/2408-41-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2408-8-0x0000000004FD0000-0x0000000004FDC000-memory.dmp

Filesize
48KB

Download
memory/2408-9-0x000000000BF80000-0x000000000C040000-memory.dmp

Filesize
768KB

Download
memory/2408-10-0x00000000077F0000-0x000000000788C000-memory.dmp

Filesize
624KB

Download
memory/2408-5-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download
memory/2408-4-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

Filesize
64KB

Download
memory/2408-1-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2408-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/2408-0-0x0000000000140000-0x000000000022A000-memory.dmp

Filesize
936KB

Download
memory/2408-2-0x0000000005290000-0x0000000005834000-memory.dmp

Filesize
5.6MB

Download
memory/2744-95-0x00000000074F0000-0x000000000750A000-memory.dmp

Filesize
104KB

Download
memory/2744-63-0x00000000726E0000-0x000000007272C000-memory.dmp

Filesize
304KB

Download
memory/2744-26-0x0000000004AF0000-0x0000000004B00000-memory.dmp

Filesize
64KB

Download
memory/2744-90-0x0000000007220000-0x000000000722A000-memory.dmp

Filesize
40KB

Download
memory/2744-88-0x00000000077F0000-0x0000000007E6A000-memory.dmp

Filesize
6.5MB

Download
memory/2744-86-0x0000000004AF0000-0x0000000004B00000-memory.dmp

Filesize
64KB

Download
memory/2744-105-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2744-22-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2744-24-0x0000000004AF0000-0x0000000004B00000-memory.dmp

Filesize
64KB

Download
memory/2744-85-0x0000000004AF0000-0x0000000004B00000-memory.dmp

Filesize
64KB

Download
memory/2744-57-0x0000000005E60000-0x0000000005E7E000-memory.dmp

Filesize
120KB

Download
memory/2744-60-0x0000000006E20000-0x0000000006E52000-memory.dmp

Filesize
200KB

Download
memory/2744-59-0x000000007F840000-0x000000007F850000-memory.dmp

Filesize
64KB

Download
memory/2744-58-0x0000000005E90000-0x0000000005EDC000-memory.dmp

Filesize
304KB

Download
memory/4520-96-0x00000000073A0000-0x00000000073A8000-memory.dmp

Filesize
32KB

Download
memory/4520-23-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/4520-15-0x0000000002470000-0x00000000024A6000-memory.dmp

Filesize
216KB

Download
memory/4520-17-0x0000000005010000-0x0000000005638000-memory.dmp

Filesize
6.2MB

Download
memory/4520-18-0x00000000049D0000-0x00000000049E0000-memory.dmp

Filesize
64KB

Download
memory/4520-61-0x00000000726E0000-0x000000007272C000-memory.dmp

Filesize
304KB

Download
memory/4520-16-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-73-0x0000000006EE0000-0x0000000006EFE000-memory.dmp

Filesize
120KB

Download
memory/4520-82-0x00000000049D0000-0x00000000049E0000-memory.dmp

Filesize
64KB

Download
memory/4520-84-0x0000000006F40000-0x0000000006FE3000-memory.dmp

Filesize
652KB

Download
memory/4520-21-0x0000000004EA0000-0x0000000004EC2000-memory.dmp

Filesize
136KB

Download
memory/4520-25-0x0000000005720000-0x0000000005786000-memory.dmp

Filesize
408KB

Download
memory/4520-101-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-62-0x000000007F7F0000-0x000000007F800000-memory.dmp

Filesize
64KB

Download
memory/4520-87-0x00000000049D0000-0x00000000049E0000-memory.dmp

Filesize
64KB

Download
memory/4520-38-0x0000000005790000-0x0000000005AE4000-memory.dmp

Filesize
3.3MB

Download
memory/4520-89-0x0000000007080000-0x000000000709A000-memory.dmp

Filesize
104KB

Download
memory/4520-19-0x00000000049D0000-0x00000000049E0000-memory.dmp

Filesize
64KB

Download
memory/4520-91-0x0000000007300000-0x0000000007396000-memory.dmp

Filesize
600KB

Download
memory/4520-92-0x0000000007280000-0x0000000007291000-memory.dmp

Filesize
68KB

Download
memory/4520-93-0x00000000072B0000-0x00000000072BE000-memory.dmp

Filesize
56KB

Download
memory/4520-94-0x00000000072C0000-0x00000000072D4000-memory.dmp

Filesize
80KB

Download
memory/4776-120-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-134-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-110-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-116-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-117-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-121-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-124-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-125-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-127-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-129-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-130-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-136-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-138-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-139-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-141-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-142-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-143-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-145-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-146-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-147-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-148-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-149-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-150-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-151-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-152-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-153-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-154-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-156-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-157-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-158-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-159-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-160-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-161-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-162-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4776-163-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download