remcos | bd9df3adf1e6c84fcab2206d63d2f02e3f1ce1b715c09459d21ff47c09cac2f8

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2023 06:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

TNT Original Invoice.exe
Size

860KB
MD5

750f2cff77e731de35fd0894d5ef0e91
SHA1

8f5760e3d3f44e1b90d793de3666a24f66bdb6da
SHA256

bd9df3adf1e6c84fcab2206d63d2f02e3f1ce1b715c09459d21ff47c09cac2f8
SHA512

61de1f098f0b4d11a96bf7503a7bd4938d1d97b7afdfd6c9d93dcab04372810c557367e1c940d9b2ad9765f7195eaa2842b40bdd5871baeadfb2254badb1d66c
SSDEEP

12288:hyOV/OSNlLvtCEfdSM1RHBWa71fXMaZT0IOeMO5ws3kf/v55BE0uDvZiJbyUdmOh:hypilLvtC/MwO1ffZTJXesg3TytDmA

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4352 set thread context of 2936	4352	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
2788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4352	TNT Original Invoice.exe
4352	TNT Original Invoice.exe
4352	TNT Original Invoice.exe
4352	TNT Original Invoice.exe
4352	TNT Original Invoice.exe
4352	TNT Original Invoice.exe
5096	powershell.exe
3552	powershell.exe
4352	TNT Original Invoice.exe
3552	powershell.exe
5096	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4352	TNT Original Invoice.exe
Token: SeDebugPrivilege	3552	powershell.exe
Token: SeDebugPrivilege	5096	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2936	TNT Original Invoice.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 3552	4352	TNT Original Invoice.exe	91
PID 4352 wrote to memory of 3552	4352	TNT Original Invoice.exe	91
PID 4352 wrote to memory of 3552	4352	TNT Original Invoice.exe	91
PID 4352 wrote to memory of 5096	4352	TNT Original Invoice.exe	93
PID 4352 wrote to memory of 5096	4352	TNT Original Invoice.exe	93
PID 4352 wrote to memory of 5096	4352	TNT Original Invoice.exe	93
PID 4352 wrote to memory of 2788	4352	TNT Original Invoice.exe	95
PID 4352 wrote to memory of 2788	4352	TNT Original Invoice.exe	95
PID 4352 wrote to memory of 2788	4352	TNT Original Invoice.exe	95
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	TNT Original Invoice.exe	97
PID 4352 wrote to memory of 2936	4352	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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352
- 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:3552
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yFKGwGbKipWSgR.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5096
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yFKGwGbKipWSgR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D4B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2788
- 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:2936

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

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
458c37f600e90410904f86e8ce2bb25c

SHA1
6030e618ecb3043953701f777b120f6e79cf6a89

SHA256
950d238c70520a04e60e7ac2afde36e509efddc8badc4039558ab9b50034e535

SHA512
9268d8dee8c4f40fbb4472a10646a4c4bbcc6abfbb1af370f32ed84f85a2627b4fb8b8ae9277f29825a9caa0c8d3081cca6ca72bf565f648aabffe13e73dc0e1

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_qspsqbff.aae.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6D4B.tmp

Filesize
1KB

MD5
b24524f3f215491191637196a19985b9

SHA1
d72b6d1715d6d2512b1e77a8ce30cf16ab3e71f8

SHA256
9c8cae012bb164f7bfaccf91c8c7a700c675c2600bfdf5d0fc25064b46218840

SHA512
961a3568f69a0727402f852c49f9fa4ac6cc588f7bd8306001e3e8e5570ffcb4457c0183b200445a6dc061f4a813968687543cf9340e7bc6a07cb21377ee2a6f

Download Submit
memory/2936-188-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-160-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-193-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-261-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-254-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-245-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-190-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-187-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-185-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-253-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-246-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-174-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-239-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-154-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-155-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-184-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-179-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2936-167-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/3552-186-0x0000000005B20000-0x0000000005B3E000-memory.dmp

Filesize
120KB

Download
memory/3552-237-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/3552-232-0x0000000002230000-0x0000000002240000-memory.dmp

Filesize
64KB

Download
memory/3552-159-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/3552-148-0x0000000002230000-0x0000000002240000-memory.dmp

Filesize
64KB

Download
memory/3552-194-0x0000000002230000-0x0000000002240000-memory.dmp

Filesize
64KB

Download
memory/3552-149-0x0000000004C30000-0x0000000005258000-memory.dmp

Filesize
6.2MB

Download
memory/3552-227-0x0000000002230000-0x0000000002240000-memory.dmp

Filesize
64KB

Download
memory/3552-231-0x0000000007180000-0x0000000007188000-memory.dmp

Filesize
32KB

Download
memory/3552-208-0x00000000060E0000-0x00000000060FE000-memory.dmp

Filesize
120KB

Download
memory/3552-156-0x0000000005290000-0x00000000052B2000-memory.dmp

Filesize
136KB

Download
memory/3552-147-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/3552-224-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/3552-146-0x0000000002240000-0x0000000002276000-memory.dmp

Filesize
216KB

Download
memory/3552-220-0x0000000007480000-0x0000000007AFA000-memory.dmp

Filesize
6.5MB

Download
memory/3552-197-0x0000000073870000-0x00000000738BC000-memory.dmp

Filesize
304KB

Download
memory/3552-210-0x000000007F2B0000-0x000000007F2C0000-memory.dmp

Filesize
64KB

Download
memory/4352-139-0x0000000005D60000-0x0000000005DFC000-memory.dmp

Filesize
624KB

Download
memory/4352-133-0x0000000000FA0000-0x000000000107C000-memory.dmp

Filesize
880KB

Download
memory/4352-140-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4352-134-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4352-141-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

Filesize
64KB

Download
memory/4352-137-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

Filesize
64KB

Download
memory/4352-135-0x0000000006070000-0x0000000006614000-memory.dmp

Filesize
5.6MB

Download
memory/4352-161-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4352-138-0x0000000005AE0000-0x0000000005AEA000-memory.dmp

Filesize
40KB

Download
memory/4352-136-0x0000000005A10000-0x0000000005AA2000-memory.dmp

Filesize
584KB

Download
memory/5096-230-0x0000000007790000-0x00000000077AA000-memory.dmp

Filesize
104KB

Download
memory/5096-238-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5096-229-0x0000000007680000-0x000000000768E000-memory.dmp

Filesize
56KB

Download
memory/5096-196-0x00000000066E0000-0x0000000006712000-memory.dmp

Filesize
200KB

Download
memory/5096-226-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5096-223-0x00000000076B0000-0x0000000007746000-memory.dmp

Filesize
600KB

Download
memory/5096-233-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/5096-222-0x00000000074A0000-0x00000000074AA000-memory.dmp

Filesize
40KB

Download
memory/5096-157-0x0000000005970000-0x00000000059D6000-memory.dmp

Filesize
408KB

Download
memory/5096-228-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/5096-221-0x0000000007430000-0x000000000744A000-memory.dmp

Filesize
104KB

Download
memory/5096-198-0x000000007F090000-0x000000007F0A0000-memory.dmp

Filesize
64KB

Download
memory/5096-153-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/5096-150-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5096-151-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/5096-195-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/5096-209-0x0000000073870000-0x00000000738BC000-memory.dmp

Filesize
304KB

Download