remcos | b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82

General

Target

b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe
Size

928KB
MD5

2f152c46d438316bf3f0bf69147d3198
SHA1

d7cfbadb49cab8fdbbe536452bce74b7f7a0d74f
SHA256

b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82
SHA512

090198731df32c3bde77a9920e22cc1aa64e184cd3f547e0a00e2d837c7acaa70e9ae730b3b683f3b645a0dab0442dcac7b4e289e6c52e65e336d0229263b98e
SSDEEP

24576:IEOhFc0Szr3X/tuv+KBSh+4TCgIJwYezARFO:IEcWlzrHqqOezw

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.64.152:2559

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-TS121V
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 408 set thread context of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102

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	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102
PID 408 wrote to memory of 1012	408	b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe	102

C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe
"C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:408
- C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe
  "C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1012

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4216,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=1440 /prefetch:8
1⤵
PID:1424

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/408-16-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/408-1-0x00000000006B0000-0x000000000079C000-memory.dmp

Filesize
944KB

Download
memory/408-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/408-3-0x0000000005180000-0x0000000005212000-memory.dmp

Filesize
584KB

Download
memory/408-4-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/408-5-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/408-6-0x0000000007A50000-0x0000000007A68000-memory.dmp

Filesize
96KB

Download
memory/408-7-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/408-8-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/408-9-0x0000000006330000-0x00000000063F0000-memory.dmp

Filesize
768KB

Download
memory/408-10-0x00000000065E0000-0x000000000667C000-memory.dmp

Filesize
624KB

Download
memory/408-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/1012-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1012-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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