remcos | e36d35be30970f252939be9d5a1cd64181cfef9b1181ac5638e42ff9c5d25090

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2023, 12:35

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

TNT Original Invoice.exe
Size

1014KB
MD5

27cd58c7d1c19c1fcb2c1ab4e9f7b53a
SHA1

f1d2b9e6a67b998ce0f960608c638b7628e9bb37
SHA256

b2fc36f6f4e72e2700737425abab14e4d75a190195c7cd8397cb9ae9761ec34b
SHA512

ed4aa3eb267a559194116754e015415f9ce88cbb9e6ba4bf2a27b057c960cb602778d8378d0ac1ef8cc5061a83f202cb6096d58b0c402ada43ea10060760a44b
SSDEEP

24576:v1XEWqsbMdJHWC1o2rb3BGqFX2cKdNw/bMo7:vpvqs4fHW+FtFXsdG/bMo7

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

167.114.189.33:2404

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
remcos
mouse_option
false
mutex
Rmc-7ZDF66
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-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	TNT Original Invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4584 set thread context of 2216	4584	TNT Original Invoice.exe	97

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
2376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
4584	TNT Original Invoice.exe
3168	powershell.exe
4880	powershell.exe
4584	TNT Original Invoice.exe
4880	powershell.exe
3168	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4584	TNT Original Invoice.exe
Token: SeDebugPrivilege	4880	powershell.exe
Token: SeDebugPrivilege	3168	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2216	TNT Original Invoice.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4880	4584	TNT Original Invoice.exe	90
PID 4584 wrote to memory of 4880	4584	TNT Original Invoice.exe	90
PID 4584 wrote to memory of 4880	4584	TNT Original Invoice.exe	90
PID 4584 wrote to memory of 3168	4584	TNT Original Invoice.exe	92
PID 4584 wrote to memory of 3168	4584	TNT Original Invoice.exe	92
PID 4584 wrote to memory of 3168	4584	TNT Original Invoice.exe	92
PID 4584 wrote to memory of 2376	4584	TNT Original Invoice.exe	95
PID 4584 wrote to memory of 2376	4584	TNT Original Invoice.exe	95
PID 4584 wrote to memory of 2376	4584	TNT Original Invoice.exe	95
PID 4584 wrote to memory of 3320	4584	TNT Original Invoice.exe	96
PID 4584 wrote to memory of 3320	4584	TNT Original Invoice.exe	96
PID 4584 wrote to memory of 3320	4584	TNT Original Invoice.exe	96
PID 4584 wrote to memory of 3660	4584	TNT Original Invoice.exe	98
PID 4584 wrote to memory of 3660	4584	TNT Original Invoice.exe	98
PID 4584 wrote to memory of 3660	4584	TNT Original Invoice.exe	98
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97
PID 4584 wrote to memory of 2216	4584	TNT Original Invoice.exe	97

C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4584
- 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\TNT Original Invoice.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4880
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VqxcAJmDUDS.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3168
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VqxcAJmDUDS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F0E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2376
- C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe"
  2⤵
  PID:3320
- C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2216
- C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe"
  2⤵
  PID:3660

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

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
87851b9e443eef878173f1d4d370044b

SHA1
cfbd7871b4ae0741e7169efa40696fc866673bf2

SHA256
986a701a56e28018ca2017b16dab20a9359919a80127e30ae222869d3656ff08

SHA512
dbb78655a47ae6788dec9491d7e79312c20b0d4f03042647d80b9ee4885f06f1f311770ccbf318c6e62ab83f6a0f55e11152cf4e9c01d8165eaf7ed150285988

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\Temp\__PSScriptPolicyTest_wjlj0rov.xey.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7F0E.tmp

Filesize
1KB

MD5
05632d2853bff98077bec6baa39360f9

SHA1
2de7cae8d10f6d0193bc7945d2dccf11e4afbc81

SHA256
d98dde6b2bb1cac0bc195053b27cb58b7b0b6975bf05754771810a674a9a1b02

SHA512
2d5e3e5d3ce0916b83472d5dded8e0d47761dfecbf6403f77f2a3274e073373dba1b1e841ef7912a3b80553469e992048e4a9cbfef352d1033dfbd6ea0f6334d

Download Submit
memory/2216-65-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-58-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-117-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-125-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-126-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-107-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-132-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-62-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-61-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-118-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-133-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-57-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-52-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-45-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-32-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-28-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2216-27-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/3168-59-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

Filesize
120KB

Download
memory/3168-106-0x00000000072C0000-0x00000000072C8000-memory.dmp

Filesize
32KB

Download
memory/3168-101-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/3168-100-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3168-24-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/3168-26-0x0000000004BA0000-0x0000000004BC2000-memory.dmp

Filesize
136KB

Download
memory/3168-22-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3168-103-0x00000000071D0000-0x00000000071DE000-memory.dmp

Filesize
56KB

Download
memory/3168-105-0x00000000072E0000-0x00000000072FA000-memory.dmp

Filesize
104KB

Download
memory/3168-97-0x0000000007010000-0x000000000701A000-memory.dmp

Filesize
40KB

Download
memory/3168-46-0x00000000056E0000-0x0000000005A34000-memory.dmp

Filesize
3.3MB

Download
memory/3168-71-0x000000007F7E0000-0x000000007F7F0000-memory.dmp

Filesize
64KB

Download
memory/3168-23-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/3168-94-0x00000000075E0000-0x0000000007C5A000-memory.dmp

Filesize
6.5MB

Download
memory/3168-93-0x0000000006E90000-0x0000000006F33000-memory.dmp

Filesize
652KB

Download
memory/3168-60-0x0000000006040000-0x000000000608C000-memory.dmp

Filesize
304KB

Download
memory/3168-68-0x0000000006C50000-0x0000000006C82000-memory.dmp

Filesize
200KB

Download
memory/3168-102-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/3168-82-0x0000000006260000-0x000000000627E000-memory.dmp

Filesize
120KB

Download
memory/3168-67-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/3168-70-0x0000000070C80000-0x0000000070CCC000-memory.dmp

Filesize
304KB

Download
memory/3168-112-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4584-11-0x0000000006D60000-0x0000000006E18000-memory.dmp

Filesize
736KB

Download
memory/4584-7-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4584-8-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/4584-9-0x0000000006850000-0x0000000006858000-memory.dmp

Filesize
32KB

Download
memory/4584-10-0x0000000006880000-0x000000000688C000-memory.dmp

Filesize
48KB

Download
memory/4584-12-0x00000000093B0000-0x000000000944C000-memory.dmp

Filesize
624KB

Download
memory/4584-0-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4584-6-0x0000000005860000-0x0000000005876000-memory.dmp

Filesize
88KB

Download
memory/4584-5-0x0000000005590000-0x000000000559A000-memory.dmp

Filesize
40KB

Download
memory/4584-4-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/4584-3-0x00000000053C0000-0x0000000005452000-memory.dmp

Filesize
584KB

Download
memory/4584-33-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4584-2-0x0000000005890000-0x0000000005E34000-memory.dmp

Filesize
5.6MB

Download
memory/4584-1-0x0000000000910000-0x0000000000A14000-memory.dmp

Filesize
1.0MB

Download
memory/4880-17-0x00000000047B0000-0x00000000047E6000-memory.dmp

Filesize
216KB

Download
memory/4880-99-0x0000000007250000-0x0000000007261000-memory.dmp

Filesize
68KB

Download
memory/4880-104-0x0000000007290000-0x00000000072A4000-memory.dmp

Filesize
80KB

Download
memory/4880-98-0x00000000072D0000-0x0000000007366000-memory.dmp

Filesize
600KB

Download
memory/4880-95-0x0000000007050000-0x000000000706A000-memory.dmp

Filesize
104KB

Download
memory/4880-83-0x0000000070C80000-0x0000000070CCC000-memory.dmp

Filesize
304KB

Download
memory/4880-72-0x0000000004940000-0x0000000004950000-memory.dmp

Filesize
64KB

Download
memory/4880-111-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4880-69-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4880-66-0x0000000004940000-0x0000000004950000-memory.dmp

Filesize
64KB

Download
memory/4880-18-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4880-20-0x0000000004940000-0x0000000004950000-memory.dmp

Filesize
64KB

Download
memory/4880-19-0x0000000004940000-0x0000000004950000-memory.dmp

Filesize
64KB

Download
memory/4880-21-0x0000000004F80000-0x00000000055A8000-memory.dmp

Filesize
6.2MB

Download
memory/4880-30-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/4880-29-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download