remcos | f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1

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

C2

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 4436 set thread context of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96

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 use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96
PID 4436 wrote to memory of 2856	4436	f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe	96

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 use of WriteProcessMemory
PID:4436
- C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
  "C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2856-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4436-8-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4436-18-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4436-10-0x0000000006990000-0x0000000006A2C000-memory.dmp

Filesize
624KB

Download
memory/4436-9-0x00000000066C0000-0x0000000006780000-memory.dmp

Filesize
768KB

Download
memory/4436-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/4436-7-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/4436-6-0x00000000082A0000-0x00000000082B8000-memory.dmp

Filesize
96KB

Download
memory/4436-5-0x0000000005790000-0x000000000579A000-memory.dmp

Filesize
40KB

Download
memory/4436-4-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4436-3-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/4436-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/4436-1-0x0000000000BD0000-0x0000000000CC0000-memory.dmp

Filesize
960KB

Download

Analysis

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