remcos | 7137a2e2d38f6b22fc74709008d98f3fe2b0eb025c58f0765927b3b01189980c

Analysis

max time kernel
171s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 19:52

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General

Target

TNT Original Invoice.exe
Size

1023KB
MD5

119eaa1129f88196cae8f81a75ab8b31
SHA1

51223c629345eb969f8f56abcc6a11792178ff77
SHA256

8be324c37f356ce39300e054d452a5d5aa215449a25f431371aab8585d234d2b
SHA512

450239eabafa344c487f8a0ee17f000fefe39f0a78d6ea2ec09a0ad425c51c936428a48f1d853e5eff131f6ef1b5b2519c79e03d955452bc0b2a951af4a6af4d
SSDEEP

24576:ToMSdOp+dBHPdYBtO+mMP7tyUKVdZ39sakOzwsHru:kMDpQH2/OdP4a98ea

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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	TNT Original Invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1452 set thread context of 4000	1452	TNT Original Invoice.exe	103

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
640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
4484	powershell.exe
2240	powershell.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
1452	TNT Original Invoice.exe
4484	powershell.exe
2240	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	TNT Original Invoice.exe
Token: SeDebugPrivilege	4484	powershell.exe
Token: SeDebugPrivilege	2240	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4000	TNT Original Invoice.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 2240	1452	TNT Original Invoice.exe	97
PID 1452 wrote to memory of 2240	1452	TNT Original Invoice.exe	97
PID 1452 wrote to memory of 2240	1452	TNT Original Invoice.exe	97
PID 1452 wrote to memory of 4484	1452	TNT Original Invoice.exe	99
PID 1452 wrote to memory of 4484	1452	TNT Original Invoice.exe	99
PID 1452 wrote to memory of 4484	1452	TNT Original Invoice.exe	99
PID 1452 wrote to memory of 640	1452	TNT Original Invoice.exe	100
PID 1452 wrote to memory of 640	1452	TNT Original Invoice.exe	100
PID 1452 wrote to memory of 640	1452	TNT Original Invoice.exe	100
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103
PID 1452 wrote to memory of 4000	1452	TNT Original Invoice.exe	103

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:1452
- 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:2240
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QQTpFQa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4484
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QQTpFQa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC05.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:640
- 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:4000

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
080196c57112fb03c685d8b45bcb74ae

SHA1
8b8b307cd6120911aef3caa2f0cae05101b7e4b7

SHA256
7667353ac978267fe553a0237b6042ae5be2c4e784cf36255def053229865c89

SHA512
57ac38126b94957152509807742411ef6ae59b589117db8959480a4a0cea8d4ad7308f73140f5f83249da20cdb932baa9ff4b43f83db185a59d6ce840503aa73

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

Filesize
18KB

MD5
e6f22204f950e437ab01c68d8f477cef

SHA1
2310deac59f20416c9ed47da84681372923890ce

SHA256
70d14fff13ef473f35be2cc9b198b234d25496aa65b0716ab9374ad6c77ac8b0

SHA512
6cd997cd5f734b62abc8be96ae1b58b91592b94d2f2868dff00378a9098b29672499fab2fd18b6a689ef257e1d5e48ea9c031ceefeec19a16547f99e249ce4de

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ynv2mzjs.vwz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCC05.tmp

Filesize
1KB

MD5
d881c6221d0946c18fc13fe3a0df5a95

SHA1
88e1e59902798a7dc9e6d40cddc42d21a45e8b18

SHA256
8f3bc01bc8fe090589f3ae0a47c6971429115113fa61c35beb50cff4f488303b

SHA512
c109825417bcd66a3f0f117abe5c89b30532d19c13e10529ae40809390d49c070e6b802b436c0a2acee2b83e79f2985867eea06b878932c5069f3e21bb6a4632

Download Submit
memory/1452-4-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/1452-5-0x0000000005390000-0x000000000539A000-memory.dmp

Filesize
40KB

Download
memory/1452-6-0x0000000005670000-0x000000000570C000-memory.dmp

Filesize
624KB

Download
memory/1452-7-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/1452-8-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/1452-9-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/1452-10-0x0000000005610000-0x000000000561C000-memory.dmp

Filesize
48KB

Download
memory/1452-11-0x00000000078F0000-0x00000000079A8000-memory.dmp

Filesize
736KB

Download
memory/1452-3-0x00000000053D0000-0x0000000005462000-memory.dmp

Filesize
584KB

Download
memory/1452-2-0x00000000058E0000-0x0000000005E84000-memory.dmp

Filesize
5.6MB

Download
memory/1452-0-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/1452-52-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/1452-1-0x00000000008C0000-0x00000000009C6000-memory.dmp

Filesize
1.0MB

Download
memory/2240-59-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

Filesize
64KB

Download
memory/2240-64-0x0000000007000000-0x0000000007032000-memory.dmp

Filesize
200KB

Download
memory/2240-23-0x0000000004E80000-0x0000000004EA2000-memory.dmp

Filesize
136KB

Download
memory/2240-91-0x0000000007400000-0x000000000740A000-memory.dmp

Filesize
40KB

Download
memory/2240-97-0x00000000075D0000-0x00000000075E4000-memory.dmp

Filesize
80KB

Download
memory/2240-99-0x00000000076B0000-0x00000000076B8000-memory.dmp

Filesize
32KB

Download
memory/2240-88-0x0000000007250000-0x00000000072F3000-memory.dmp

Filesize
652KB

Download
memory/2240-16-0x0000000002610000-0x0000000002646000-memory.dmp

Filesize
216KB

Download
memory/2240-20-0x00000000051F0000-0x0000000005818000-memory.dmp

Filesize
6.2MB

Download
memory/2240-103-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2240-68-0x0000000073600000-0x000000007364C000-memory.dmp

Filesize
304KB

Download
memory/2240-49-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

Filesize
3.3MB

Download
memory/2240-19-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

Filesize
64KB

Download
memory/2240-63-0x000000007F110000-0x000000007F120000-memory.dmp

Filesize
64KB

Download
memory/2240-61-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

Filesize
64KB

Download
memory/2240-60-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

Filesize
64KB

Download
memory/2240-18-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

Filesize
64KB

Download
memory/2240-17-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2240-58-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2240-94-0x0000000007590000-0x00000000075A1000-memory.dmp

Filesize
68KB

Download
memory/4000-105-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-115-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-110-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-53-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-109-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-122-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-50-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-55-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-54-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-38-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-27-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-123-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-39-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4000-116-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4484-56-0x0000000006180000-0x000000000619E000-memory.dmp

Filesize
120KB

Download
memory/4484-93-0x0000000007730000-0x00000000077C6000-memory.dmp

Filesize
600KB

Download
memory/4484-92-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/4484-96-0x00000000076E0000-0x00000000076EE000-memory.dmp

Filesize
56KB

Download
memory/4484-90-0x00000000074B0000-0x00000000074CA000-memory.dmp

Filesize
104KB

Download
memory/4484-98-0x00000000077F0000-0x000000000780A000-memory.dmp

Filesize
104KB

Download
memory/4484-89-0x0000000007AF0000-0x000000000816A000-memory.dmp

Filesize
6.5MB

Download
memory/4484-65-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/4484-78-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/4484-104-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/4484-67-0x0000000073600000-0x000000007364C000-memory.dmp

Filesize
304KB

Download
memory/4484-66-0x000000007FD50000-0x000000007FD60000-memory.dmp

Filesize
64KB

Download
memory/4484-62-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/4484-57-0x00000000061D0000-0x000000000621C000-memory.dmp

Filesize
304KB

Download
memory/4484-25-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/4484-24-0x00000000051D0000-0x0000000005236000-memory.dmp

Filesize
408KB

Download
memory/4484-22-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/4484-21-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download