064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 02:05

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General

Target

064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
Size

481KB
MD5

2ffd9f6b21a02f0ce67c23266d0e11c0
SHA1

00b76b0580c9780936a4f3d8257be0fb41f1431d
SHA256

064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870
SHA512

e6773290a03eadb2302904b536402412d0dcebf1b8e5b885f12223177769e1b63012b50913d89b122a6c6de6f9b02a61c50e899a610dd56deec81861868b5ded
SSDEEP

12288:3uD09AUkNIGBYYv4eK13x13nZHSRVMf139F5wIB7+IwtHwBtVxbesvZDSH+DY:q09AfNIEYsunZvZ19ZAs

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe

Executes dropped EXE 1 IoCs

pid	Process
3988	remcos.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-A34JIZ = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-A34JIZ = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-A34JIZ = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	remcos.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-A34JIZ = "\"C:\\ProgramData\\Remcos\\remcos.exe\""	remcos.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	remcos.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3988	remcos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 3988	2268	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe	84
PID 2268 wrote to memory of 3988	2268	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe	84
PID 2268 wrote to memory of 3988	2268	064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe	84

C:\Users\Admin\AppData\Local\Temp\064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe
"C:\Users\Admin\AppData\Local\Temp\064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- C:\ProgramData\Remcos\remcos.exe
  "C:\ProgramData\Remcos\remcos.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Remcos\logs.dat

Filesize
144B

MD5
dc026d4b3078503e4a9873a26b683466

SHA1
4242936c9360692c148f4bbfd42ad2d999e39ca9

SHA256
d21cd6929ce195e804088ea1e5f20ab39acdd17e4af3b46cf289fb321ebdc849

SHA512
f694dea86ffe5b368e000b13e263a4ce66794ba79a882efe9e370189ab61d014b8439fbb89716021f95095762e9db2a8b153e2cdbdc34d1305228446a1416f92

Download Submit
C:\ProgramData\Remcos\remcos.exe

Filesize
481KB

MD5
2ffd9f6b21a02f0ce67c23266d0e11c0

SHA1
00b76b0580c9780936a4f3d8257be0fb41f1431d

SHA256
064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870

SHA512
e6773290a03eadb2302904b536402412d0dcebf1b8e5b885f12223177769e1b63012b50913d89b122a6c6de6f9b02a61c50e899a610dd56deec81861868b5ded

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads