remcos | f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1

Analysis

max time kernel
148s
max time network
139s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31-08-2024 02:07

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General

Target

f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
Size

939KB
MD5

ca4ccb77c304e8074abd359dd086ede4
SHA1

4a17bc625d34ccde78a62db109877f8e9d808d70
SHA256

f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1
SHA512

f2ee3df238385bcadb32dd658330e825252de969d8a1e24a0457e8f7268c362d8c73420f2e062e920d6a3e975f2b74a091475a63e0150837af9e013a674a71f2
SSDEEP

24576:kEbp9p29m6p2SxSrExb5Ag+PmiCix5InZg0SO:Xl90X8Axb5Ag+Pm7O5Ie0SO

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:2404

67.207.161.204:2404

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-ZA03K9
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 SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2924 set thread context of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33

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	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2876	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	31
PID 2924 wrote to memory of 2876	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	31
PID 2924 wrote to memory of 2876	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	31
PID 2924 wrote to memory of 2876	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	31
PID 2924 wrote to memory of 2588	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	32
PID 2924 wrote to memory of 2588	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	32
PID 2924 wrote to memory of 2588	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	32
PID 2924 wrote to memory of 2588	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	32
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33
PID 2924 wrote to memory of 2880	2924	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	33

C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
"C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
  "C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe"
  2⤵
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
  "C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe"
  2⤵
  PID:2588
- C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
  "C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880

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

memory/2880-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2880-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2924-23-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-1-0x0000000001320000-0x0000000001410000-memory.dmp

Filesize
960KB

Download
memory/2924-3-0x0000000000370000-0x0000000000388000-memory.dmp

Filesize
96KB

Download
memory/2924-6-0x0000000005240000-0x0000000005300000-memory.dmp

Filesize
768KB

Download
memory/2924-5-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-4-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/2924-0-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/2924-2-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download