remcos | 353fc4210bc103d84f0a67dfd4a1a32762484f51d7af15da4080c8efd2752a5a

General

Target

JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe
Size

765KB
MD5

6cfab0d526994b9b98582a693fa58fc1
SHA1

16deda32ed2a9268e9bfc4d23d21a519cf720fb8
SHA256

353fc4210bc103d84f0a67dfd4a1a32762484f51d7af15da4080c8efd2752a5a
SHA512

3d11e04effbf50f57cf2879c71c8bffc6d17b3f973e1b0fffdcc816d178656c262a0fe0fe301670abd034abcb6ba09969452cab4ead67d5ff8407f87dbacfd38
SSDEEP

12288:GmI69Fwmp5ofY7Q8TrardB+SlRnM+/NwaGfm8Jn3GQLdhu7o5ZV75cNUJGAfQ:Gf69Fv5f7QlZPlS+/VGfmA3GQju85nV+

Score

10^/10

remcos servers discovery rat

Malware Config

Extracted

Family

remcos

Version

3.1.4 Pro

Botnet

servers

C2

kashbilly2.ddns.net:6060

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-XI8GX1
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32

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	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe
2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2972	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2892	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	31
PID 2216 wrote to memory of 2892	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	31
PID 2216 wrote to memory of 2892	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	31
PID 2216 wrote to memory of 2892	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	31
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32
PID 2216 wrote to memory of 2972	2216	JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe"
  2⤵
  PID:2892
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfab0d526994b9b98582a693fa58fc1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2972

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

C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
148B

MD5
0708db819a230763b7b7541b79ced5a8

SHA1
01e7c5c14ea5a104efa79cc48a6a909ba84f4ec8

SHA256
4cc2fcf9eb0ed83997aeb45813751d7236506c6da5d5bc412373a230fa88f08d

SHA512
554372b5f65a33f62ce462dcba341c6e250f30d4225ef582c03783f42e2fec7c2d766aaf7f2a664176f48e6c460be60c0494a0758145328dad60d71fbd916efa

Download Submit
memory/2216-0-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2216-1-0x0000000001250000-0x0000000001316000-memory.dmp

Filesize
792KB

Download
memory/2216-2-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-3-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/2216-4-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2216-5-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-6-0x0000000005DD0000-0x0000000005E6C000-memory.dmp

Filesize
624KB

Download
memory/2216-28-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2972-22-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-24-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-15-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2972-23-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-27-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-16-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-13-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-11-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-20-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-31-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2972-8-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

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