remcos | 7137a2e2d38f6b22fc74709008d98f3fe2b0eb025c58f0765927b3b01189980c

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2092 set thread context of 2568	2092	TNT Original Invoice.exe	36

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
2108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2092	TNT Original Invoice.exe
2712	powershell.exe
1648	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	TNT Original Invoice.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	1648	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2568	TNT Original Invoice.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2712	2092	TNT Original Invoice.exe	30
PID 2092 wrote to memory of 2712	2092	TNT Original Invoice.exe	30
PID 2092 wrote to memory of 2712	2092	TNT Original Invoice.exe	30
PID 2092 wrote to memory of 2712	2092	TNT Original Invoice.exe	30
PID 2092 wrote to memory of 1648	2092	TNT Original Invoice.exe	32
PID 2092 wrote to memory of 1648	2092	TNT Original Invoice.exe	32
PID 2092 wrote to memory of 1648	2092	TNT Original Invoice.exe	32
PID 2092 wrote to memory of 1648	2092	TNT Original Invoice.exe	32
PID 2092 wrote to memory of 2108	2092	TNT Original Invoice.exe	34
PID 2092 wrote to memory of 2108	2092	TNT Original Invoice.exe	34
PID 2092 wrote to memory of 2108	2092	TNT Original Invoice.exe	34
PID 2092 wrote to memory of 2108	2092	TNT Original Invoice.exe	34
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36
PID 2092 wrote to memory of 2568	2092	TNT Original Invoice.exe	36

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:2092
- 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:2712
- 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:1648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QQTpFQa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3312.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2108
- 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:2568

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

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
9f3c88ff1932b003a949ae1971e920c0

SHA1
06707d4ba5edff4dbe5da2fbe71129256fe3aaa2

SHA256
7cafe6c1df4467557f3b2459380e8a9a6d8e4543ed38ae188a94fef591c08cba

SHA512
71b9afb9f942c25789ad6dcf9dfe0e663c92672f59bf93b608a4fa97f15720cdf4d702cc7a883764fe2b91388c44f1eb5bac436eacbdded7134373c542e7d3e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3312.tmp

Filesize
1KB

MD5
d8836b5d43daca19a9b1907f6e34cb2a

SHA1
218400d1b07d31f2ec2abca05448d120a03021c3

SHA256
66a93ecb627bf86df6c2c2a4d27fbdf464cfd33bc9ac1d2e84b3dc91f62c9f29

SHA512
ee13f08e035da24e1d5d4791b31aa686ed5ebe9f7f5366f5529c288f767d26017f12e984fa980e4f1aa1ad6c4bbc3faa5f5db4ac7375d28bf430ef91c119aa42

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\441KWE1A3VVK9ILRA94Z.temp

Filesize
7KB

MD5
ebf0742702d496eebf5fc781b5cf3252

SHA1
cfe42e940d349558e3259b23de9234a520eefbbd

SHA256
33696d7181d6890cf1727fb9378722b005b65e4d747a818e0b83cadd05ec5147

SHA512
7db13d1cbceea7f4f81c2702f5f86f8c37dbb0b1e3a75d78013ea6ce97ab32fff6d6998fd9e318ed70ce5f6a2fabc76c5e2c1b7ed2b2b70efbaf3028c4a958bd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
ebf0742702d496eebf5fc781b5cf3252

SHA1
cfe42e940d349558e3259b23de9234a520eefbbd

SHA256
33696d7181d6890cf1727fb9378722b005b65e4d747a818e0b83cadd05ec5147

SHA512
7db13d1cbceea7f4f81c2702f5f86f8c37dbb0b1e3a75d78013ea6ce97ab32fff6d6998fd9e318ed70ce5f6a2fabc76c5e2c1b7ed2b2b70efbaf3028c4a958bd

Download Submit
memory/1648-46-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/1648-49-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/1648-51-0x0000000002310000-0x0000000002350000-memory.dmp

Filesize
256KB

Download
memory/1648-52-0x0000000002310000-0x0000000002350000-memory.dmp

Filesize
256KB

Download
memory/1648-55-0x0000000002310000-0x0000000002350000-memory.dmp

Filesize
256KB

Download
memory/1648-57-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/2092-4-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/2092-7-0x0000000005850000-0x0000000005908000-memory.dmp

Filesize
736KB

Download
memory/2092-0-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/2092-6-0x0000000000270000-0x000000000027C000-memory.dmp

Filesize
48KB

Download
memory/2092-5-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/2092-40-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/2092-3-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/2092-2-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/2092-1-0x0000000000CE0000-0x0000000000DE6000-memory.dmp

Filesize
1.0MB

Download
memory/2568-22-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-64-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-39-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-41-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-43-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-44-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-45-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-33-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-83-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-82-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-31-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-77-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-29-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-27-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-76-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-54-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-25-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-24-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-70-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-60-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-63-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-37-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-20-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2568-69-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2712-56-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-53-0x00000000024E0000-0x0000000002520000-memory.dmp

Filesize
256KB

Download
memory/2712-50-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-47-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-48-0x00000000024E0000-0x0000000002520000-memory.dmp

Filesize
256KB

Download