remcos | 86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b

General

Target

86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
Size

2.1MB
MD5

9f143b15f7236700686642fe455de026
SHA1

35708f43926ec5211039699976546a8bc0df3497
SHA256

86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b
SHA512

748d091aba0fc6a3f8b7993a8fc7247c128c786cc057e2ba39a953f95b84b0b249d17ae3857db11c0b233c6ecdf7bdd3c691a323eee0f91c6ab3d10b22247390
SSDEEP

24576:SD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJm8:Sp7E+QrFUBgq2Sn7

Score

10^/10

remcos host credential_access discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe

Executes dropped EXE 2 IoCs

pid	Process
2392	sbietrcl.exe
4548	sbietrcl.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 4548	2392	sbietrcl.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
2392	sbietrcl.exe
2392	sbietrcl.exe
2392	sbietrcl.exe
2392	sbietrcl.exe
2392	sbietrcl.exe
2392	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
Token: SeDebugPrivilege	2392	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4548	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 2392	1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe	95
PID 1888 wrote to memory of 2392	1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe	95
PID 1888 wrote to memory of 2392	1888	86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe	95
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96
PID 2392 wrote to memory of 4548	2392	sbietrcl.exe	96

C:\Users\Admin\AppData\Local\Temp\86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe
"C:\Users\Admin\AppData\Local\Temp\86fdce274d421f0ea475f27613482dac4107b752b6d69e7fca8bf31f92610b9b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4548

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=4104,i,13995403245988825027,7033610968827661507,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
1⤵
PID:1400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
2.1MB

MD5
3d77d5cb0d99f6ebbcf133e980997f15

SHA1
0244a9e308ba14b17cd852047ce25ad734fa6748

SHA256
ccaef728b2abd21632cca3710371fc3c3679b21a4e81f874cfcc5b3a28831a81

SHA512
bac114e6fa6880d85d57c00275620947e7f2715eb76fe44ba4c19e5202d947b83a8929f8e2f3434ac579bfb32d2f68dd250a2edb2559ebaa81178900a34a9cb4

Download Submit
memory/1888-0-0x00000000745B2000-0x00000000745B3000-memory.dmp

Filesize
4KB

Download
memory/1888-1-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/1888-2-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/1888-5-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/1888-6-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/1888-18-0x00000000745B2000-0x00000000745B3000-memory.dmp

Filesize
4KB

Download
memory/1888-19-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/1888-27-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/1888-31-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2392-32-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2392-33-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2392-34-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2392-35-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2392-36-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2392-48-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/4548-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4548-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4548-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4548-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4548-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4548-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4548-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads