remcos | b53cdf78114b979193e33a4be762b9c01dc1bc76e09750edb47b0fefe55bcc47

General

Target

b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
Size

1.5MB
MD5

b6bec0853953bafc210ceeeec5787660
SHA1

cf4990f7c4bc28c178b52ec6d5d62a9de3e314ad
SHA256

b53cdf78114b979193e33a4be762b9c01dc1bc76e09750edb47b0fefe55bcc47
SHA512

df676ed5468815a46a5300980e889370d7b9927db917ce06d71b942c268e445067c70da5dcfdc9430d3430fca9f44a58ccfeb499f3d235787f8d85a005281c52
SSDEEP

24576:mD39v74lfGQrFUspugRNJI2DJ53J/J/L56+JJJ+R:mp7E+QrFUBgq2o

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:

b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

sbietrcl.exesbietrcl.exe

pid process

3176 sbietrcl.exe
4920 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
3176	sbietrcl.exe
4920	sbietrcl.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

sbietrcl.exe

description pid process target process

PID 3176 set thread context of 4920 3176 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 3176 set thread context of 4920	3176	sbietrcl.exe	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exesbietrcl.exe

pid	process
2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
3176	sbietrcl.exe
3176	sbietrcl.exe
3176	sbietrcl.exe
3176	sbietrcl.exe
3176	sbietrcl.exe
3176	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exesbietrcl.exe

description pid process

Token: SeDebugPrivilege 2300 b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
Token: SeDebugPrivilege 3176 sbietrcl.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sbietrcl.exe

pid process

4920 sbietrcl.exe

description	pid	process
Token: SeDebugPrivilege	2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
Token: SeDebugPrivilege	3176	sbietrcl.exe

pid	process
4920	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exesbietrcl.exe

description	pid	process	target process
PID 2300 wrote to memory of 3176	2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe	sbietrcl.exe
PID 2300 wrote to memory of 3176	2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe	sbietrcl.exe
PID 2300 wrote to memory of 3176	2300	b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe
PID 3176 wrote to memory of 4920	3176	sbietrcl.exe	sbietrcl.exe

C:\Users\Admin\AppData\Local\Temp\b6bec0853953bafc210ceeeec5787660_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\b6bec0853953bafc210ceeeec5787660_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:2300

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:3176

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:4920

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

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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
e39f749934ab92f68f1d9f6c5178f7c4

SHA1
595e171a7a684de6a3add8fe99089ffd7334fe6b

SHA256
ee858fb5b9296da7f6411d8b57e968d5c7069139ee4cf3da0b05074bef09e0a4

SHA512
e47eb395e5a3925b1454f2c4deaa0f0a4c2a62732059cec3765c32f7dd54345522b04aab2f24d44d09f3832eff7e6b7f5f7cc4275b32c928feb38875806832a0

Download Submit
memory/2300-0-0x00000000754A2000-0x00000000754A3000-memory.dmp

Filesize
4KB

Download
memory/2300-1-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/2300-2-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/2300-5-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/2300-6-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/2300-28-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/3176-30-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/3176-29-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/3176-31-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/3176-32-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/3176-44-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/4920-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4920-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4920-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4920-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4920-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4920-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4920-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads