remcos | 9578acb21ffdcc062586c11a87aab114a07dd0dbc66b440cb69bbeafb5634cc9

Resubmissions

25-09-2024 15:53

240925-tbmfsateqq 10

24-09-2024 22:03

240924-1ynqpa1dle 10

Analysis

max time kernel
299s
max time network
292s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 15:53

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General

Target

6ea14a4bfc5e802e358f14b4b7d2ce8e.exe
Size

11.1MB
MD5

6ea14a4bfc5e802e358f14b4b7d2ce8e
SHA1

9bb2d7c7fda701f1481a843bb198c016e2486c4a
SHA256

9578acb21ffdcc062586c11a87aab114a07dd0dbc66b440cb69bbeafb5634cc9
SHA512

9a774bcbef9ed3bc050f5c3a1055a14dcc239ead07f40c7d8a21f632cd10439dad8d82f1b7ba0122ad11c6cca4f39ab7aaea329f3abae762438e2174c3f11e5a
SSDEEP

196608:uOK19iyfvQgN9prpo/mOIGqBGyC4gDEz+twaXbTPlrLwXJYRliwZ7M91vNgkfJdP:uZbfvBgmMqCyTOVZLBgrU

Score

10^/10

remcos ubancol discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

UBANCOL

jorgeperezpu145.con-ip.com:1665

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-SPGYPO
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 NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4612 created 3428	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	54

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Npgpqfj = "C:\\Users\\Admin\\AppData\\Roaming\\Npgpqfj.exe"	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
6	bitbucket.org
7	bitbucket.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4612 set thread context of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe
Token: SeDebugPrivilege	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2492	AppLaunch.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97
PID 4612 wrote to memory of 2492	4612	6ea14a4bfc5e802e358f14b4b7d2ce8e.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3428
- C:\Users\Admin\AppData\Local\Temp\6ea14a4bfc5e802e358f14b4b7d2ce8e.exe
  "C:\Users\Admin\AppData\Local\Temp\6ea14a4bfc5e802e358f14b4b7d2ce8e.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2492

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1036,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=4284 /prefetch:8
1⤵
PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
bccb7539ab61e0e464f417fa9e10ded7

SHA1
c9b043cfebef317d482765a56699ffcc77cf9dcb

SHA256
6e414f94216cfec12a190eaea3cd2d78583f7ac81f2d716ee30ebffc2f8ba59f

SHA512
cb44e3abfb6d6d2a6ee4b31bc56b4770fb76fea9add5e494564d6e1aa49f13928538501be98d1e74aae90e2bc720a818ba77316c7704f59b77f288dbd28dcb7b

Download Submit
memory/2492-1099-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2492-1109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4612-0-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/4612-1-0x00000000002B0000-0x0000000000DCA000-memory.dmp

Filesize
11.1MB

Download
memory/4612-2-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4612-3-0x0000000006410000-0x000000000652E000-memory.dmp

Filesize
1.1MB

Download
memory/4612-11-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-45-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-59-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-67-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-65-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-61-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-57-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-55-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-54-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-51-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-49-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-47-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-63-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-43-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-41-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-37-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-35-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-33-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-31-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-29-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-27-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-25-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-23-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-21-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-17-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-15-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-13-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-39-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-9-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-7-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-19-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-5-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-4-0x0000000006410000-0x0000000006527000-memory.dmp

Filesize
1.1MB

Download
memory/4612-1078-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4612-1079-0x00000000067E0000-0x0000000006878000-memory.dmp

Filesize
608KB

Download
memory/4612-1080-0x0000000006750000-0x000000000679C000-memory.dmp

Filesize
304KB

Download
memory/4612-1083-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4612-1084-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/4612-1086-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4612-1087-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4612-1088-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4612-1089-0x0000000007000000-0x00000000075A4000-memory.dmp

Filesize
5.6MB

Download
memory/4612-1090-0x00000000068F0000-0x0000000006944000-memory.dmp

Filesize
336KB

Download
memory/4612-1100-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download