remcos | 48b56a4d7a0dfd8c25655b460b98fc6f4abc9ae2523f750cebe7635b97b815c2

General

Target

4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
Size

1.5MB
MD5

4423697710f24e61579b1dfc29bb7830
SHA1

6bbf5894ec350f41ba19f2132d881596cefc4420
SHA256

48b56a4d7a0dfd8c25655b460b98fc6f4abc9ae2523f750cebe7635b97b815c2
SHA512

ba544ed118634afbeae18e180531085dbce5ca675853eae3263b2ab2e2a422def9042c105a7d3dceeb948fdd33f193c23a9febbd86805fc5d06aa18fb51edb99
SSDEEP

24576:cD39v74lfGQrFUspugRNJI2DJ53J/J/L56+JYJXE:cp7E+QrFUBgq2F

Score

10^/10

remcos host 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

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

Processes:

4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

sbietrcl.exesbietrcl.exe

pid process

4512 sbietrcl.exe
4100 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

pid	process
4512	sbietrcl.exe
4100	sbietrcl.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

sbietrcl.exe

description pid process target process

PID 4512 set thread context of 4100 4512 sbietrcl.exe sbietrcl.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 4512 set thread context of 4100	4512	sbietrcl.exe	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exesbietrcl.exe

pid	process
1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
4512	sbietrcl.exe
4512	sbietrcl.exe
4512	sbietrcl.exe
4512	sbietrcl.exe
4512	sbietrcl.exe
4512	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exesbietrcl.exe

description pid process

Token: SeDebugPrivilege 1492 4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
Token: SeDebugPrivilege 4512 sbietrcl.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sbietrcl.exe

pid process

4100 sbietrcl.exe

description	pid	process
Token: SeDebugPrivilege	1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
Token: SeDebugPrivilege	4512	sbietrcl.exe

pid	process
4100	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exesbietrcl.exe

description	pid	process	target process
PID 1492 wrote to memory of 4512	1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe	sbietrcl.exe
PID 1492 wrote to memory of 4512	1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe	sbietrcl.exe
PID 1492 wrote to memory of 4512	1492	4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe
PID 4512 wrote to memory of 4100	4512	sbietrcl.exe	sbietrcl.exe

C:\Users\Admin\AppData\Local\Temp\4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4423697710f24e61579b1dfc29bb7830_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4100

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
Filesize
1.5MB

MD5
b9763b0ee2a2b9e2d19c3d886d98b916

SHA1
cbe96950148221d4396230be0b404a823aaa63c0

SHA256
6a97cd9ebecb6025880bd47ca309ba558f0c6eb92aff84f1d7d3d0cf3e16124a

SHA512
d2c83c96d20e67ba96e4aeb8df1f7e0838f34a0d23307ce1e42ffa27fb980d4a5cfbdad6a9a5ab087397a8edee26a1592a094658873965f5cbf3a1f772cbce19

Download Submit
memory/1492-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/1492-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1492-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1492-5-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1492-6-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1492-28-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4100-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4100-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4100-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4100-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4100-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4100-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4100-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4512-30-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4512-31-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4512-32-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4512-29-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4512-44-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads