remcos | 03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65

Analysis

max time kernel
137s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2024, 22:13

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General

Target

03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe
Size

57KB
MD5

ce8278d5f5cbb4f2904073c5026676f8
SHA1

eec30bc20f48e3ef86d7300611d5faa305275272
SHA256

03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65
SHA512

4806cbcfb8adbc99dd86cac02fde9b035018cc1d4454187c6223e2e0759b2084db8317e3640c882ceca4afe18d17aa2b162200405c79e3caa4fa33cb90528037
SSDEEP

1536:JoPHfsRE7FBxhMmOAzTLAXGl3qndlIuK/WsC5BC/jHP:+P0SZh/lHpl3qdlIuMC5yjv

Score

10^/10

remcos zenozama discovery rat

Malware Config

Extracted

Family

remcos

Botnet

ZENOZAMA

intelcom2.ydns.eu:1832

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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
sdfdsfgfd
mouse_option
false
mutex
dgfgdfgfdd-8CZV1B
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
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 3940 created 3452	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AccessRuleTypeone.vbs	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3940 set thread context of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93

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	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe
Token: SeDebugPrivilege	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3924	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93
PID 3940 wrote to memory of 3924	3940	03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3452
- C:\Users\Admin\AppData\Local\Temp\03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe
  "C:\Users\Admin\AppData\Local\Temp\03b79ae8246fbd03aae3cafae2762d4e6ae54e5de9c6e924585692c6ae762a65.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3940
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\sdfdsfgfd\logs.dat

Filesize
184B

MD5
1bb104b4e2c36903e341f9f0aba20479

SHA1
e08f3b50c23f7da0466b41fa18831acec4c11912

SHA256
77e006aae1243b1188a2a530bb557189900b76bf0e94f136d035191e180a7f26

SHA512
410d4b0a65ba3b55d0d9e19f1920e88646f9a204a529dd390f6d03838c2ba09deaee17f7826331aa75c05a4acc1281d87d5baed921dff8195f3badb1f767fc73

Download Submit
memory/3924-1096-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3924-1105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3940-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/3940-1-0x0000000000A10000-0x0000000000A22000-memory.dmp

Filesize
72KB

Download
memory/3940-2-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-3-0x0000000006690000-0x00000000067B6000-memory.dmp

Filesize
1.1MB

Download
memory/3940-4-0x0000000006D60000-0x0000000007304000-memory.dmp

Filesize
5.6MB

Download
memory/3940-5-0x0000000006860000-0x00000000068F2000-memory.dmp

Filesize
584KB

Download
memory/3940-17-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-53-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-55-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-59-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-69-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-67-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-65-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-63-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-61-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-57-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-51-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-50-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-43-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-41-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-39-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-37-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-35-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-31-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-29-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-27-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-23-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-21-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-15-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-13-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-47-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-45-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-33-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-25-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-19-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-11-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-9-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-7-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-6-0x0000000006690000-0x00000000067AF000-memory.dmp

Filesize
1.1MB

Download
memory/3940-1080-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-1082-0x0000000006900000-0x000000000694C000-memory.dmp

Filesize
304KB

Download
memory/3940-1081-0x00000000069D0000-0x0000000006A68000-memory.dmp

Filesize
608KB

Download
memory/3940-1083-0x0000000006AD0000-0x0000000006B24000-memory.dmp

Filesize
336KB

Download
memory/3940-1089-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/3940-1088-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-1092-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-1101-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-1090-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download