remcos | b6bcdbd5822720d72a949b018443c758725389d96cffb16a146830c567c302d2

General

Target

493a5c9a1469cef994d69f1dd102e0da.exe
Size

7.7MB
MD5

493a5c9a1469cef994d69f1dd102e0da
SHA1

d05de864d273343c4204e9608330a1867a24fa95
SHA256

b6bcdbd5822720d72a949b018443c758725389d96cffb16a146830c567c302d2
SHA512

34fc3dfd16322318e1c48a2ee0446a14005ff2cefe156844e2a868a907c3d7bf8791496d04928146365af646113cadf0f7bbe31c5c0501dd1e97a90310e7fa96
SSDEEP

98304:w3x3FJ58yNYqDP06ZKkcCOQhrgMSVV+uKIqKpFfAlGhrQ:w31H5nqIKCD9uKIqK73B

Score

10^/10

remcos dic discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

DIC

C2

5.34.178.128:8090

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
true
install_flag
false
keylog_crypt
true
keylog_file
smartscreen.dat
keylog_flag
false
keylog_folder
RuntimeBroker
mouse_option
false
mutex
215154tgrvrt-TXLNA3
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
Remcos family
remcos

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ProjectAdj = "C:\\Users\\Admin\\Pictures\\AdjProjectment\\ProjectAdj.exe"	493a5c9a1469cef994d69f1dd102e0da.exe

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	493a5c9a1469cef994d69f1dd102e0da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	493a5c9a1469cef994d69f1dd102e0da.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4420	493a5c9a1469cef994d69f1dd102e0da.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 4420	448	493a5c9a1469cef994d69f1dd102e0da.exe	91
PID 448 wrote to memory of 4420	448	493a5c9a1469cef994d69f1dd102e0da.exe	91
PID 448 wrote to memory of 4420	448	493a5c9a1469cef994d69f1dd102e0da.exe	91
PID 448 wrote to memory of 4420	448	493a5c9a1469cef994d69f1dd102e0da.exe	91
PID 448 wrote to memory of 4420	448	493a5c9a1469cef994d69f1dd102e0da.exe	91

C:\Users\Admin\AppData\Local\Temp\493a5c9a1469cef994d69f1dd102e0da.exe
"C:\Users\Admin\AppData\Local\Temp\493a5c9a1469cef994d69f1dd102e0da.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Temp\493a5c9a1469cef994d69f1dd102e0da.exe
  "C:\Users\Admin\AppData\Local\Temp\493a5c9a1469cef994d69f1dd102e0da.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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:\ProgramData\RuntimeBroker\smartscreen.dat

Filesize
144B

MD5
40105efe29a87c67250c9ac9d8fd96db

SHA1
9a1ab1a1a1d635a6356061401d0dc4a6df5aad0e

SHA256
af0e005702c85ee6d9656d02dd4689704b30e05d256f28a67de95fc2d7ec9551

SHA512
78ec85f1c39bc7385bb916d1204a4b7ab73068662ac39df9b2a959f567f0a23f9174a50487f77d0e9189e27e698011b43bafc47aa2d52d27723e4a18462fbc25

Download Submit
memory/448-8-0x0000000000400000-0x0000000000BB1000-memory.dmp

Filesize
7.7MB

Download
memory/448-0-0x0000000000400000-0x0000000000BB1000-memory.dmp

Filesize
7.7MB

Download
memory/448-5-0x0000000000400000-0x0000000000BB1000-memory.dmp

Filesize
7.7MB

Download
memory/448-4-0x0000000000400000-0x0000000000BB1000-memory.dmp

Filesize
7.7MB

Download
memory/448-2-0x0000000000400000-0x0000000000BB1000-memory.dmp

Filesize
7.7MB

Download
memory/448-24-0x00000000004DA000-0x00000000004F3000-memory.dmp

Filesize
100KB

Download
memory/448-1-0x00000000004DA000-0x00000000004F3000-memory.dmp

Filesize
100KB

Download
memory/448-17-0x0000000000400000-0x0000000000BB1000-memory.dmp

Filesize
7.7MB

Download
memory/448-6-0x0000000000400000-0x0000000000BB1000-memory.dmp

Filesize
7.7MB

Download
memory/4420-16-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-29-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-12-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-15-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-18-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-19-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-20-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-23-0x0000000000400000-0x0000000000BB1000-memory.dmp

Filesize
7.7MB

Download
memory/4420-11-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-10-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-30-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-7-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-37-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-45-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-46-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-53-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-61-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download
memory/4420-62-0x0000000000BC0000-0x0000000000C3F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads