c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
11/08/2026, 13:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe
Size 30.2MB
Sample260811-qa5zystdlh
SHA256 c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183
MD5 cdc7090ab0330cc6bc915434dce90827
SHA1 e0a66c04c8ef9bdf262bbc9c7e07881586e45456
SHA512 37e8d811834eed8da2fb254304b8315b9486caa13bec064a943ee61e378c8cd98c6c7778546951e16a20e374e354605c692f4a76f6be7a9bdc8aa4d5b78a4944
SSDEEP 786432:3UQfYO/CtpaM1mrrZBiT/BCmSJZW8Qk69s:3UPhE
TLSH
T1DA678D40E797ABA4C8860431205FBB3BA7385D198319CBF3D7D46E75A8737C1197AB0A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\RustDesk\log\portable-service\c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183_rCURRENT.log	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2512	2064	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 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	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
860	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe
860	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	860	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 860	2064	c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe	85

C:\Users\Admin\AppData\Local\Temp\c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe
"C:\Users\Admin\AppData\Local\Temp\c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Users\Admin\AppData\Local\Temp\c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe
  "C:\Users\Admin\AppData\Local\Temp\c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe" --portable-service --portable-service-shmem-name=_portable_service_2064_ac6f93e8
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:860
- - C:\Users\Admin\AppData\Local\Temp\c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe
    "C:\Users\Admin\AppData\Local\Temp\c1621c589b5564daaa7bccd3276c34348529ba749890de50dde077731f749183.exe" --run-as-system --portable-service-shmem-name=_portable_service_2064_ac6f93e8
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:1212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 1388
  2⤵
  - Program crash
  PID:2512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2064 -ip 2064
1⤵
PID:5116

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

shared_memory_portable_service_2064_ac6f93e8

Path C:\ProgramData\RustDesk\portable_service_shmem\shared_memory_portable_service_2064_ac6f93e8
Size 23B
SHA256 7146c9030db37022214914457aee3f99f82648a546c7c139626b87a7dce0da77
MD5 8a676f183aa8b1f2bf69d6bb2811bb7e
SHA1 d4eabdb9c7afff50d7dfcfe6ed15be44bb83ed3f
SHA512 624da7d2c061f1c0f865376e70a96700498b25bf8010c32fff1af659c7b25fb0b67bad28747bd650ab758d81669f46d19b0a1ae2b6943af55ac35b4983c2cb09
MD5 SHA1 SHA512

Submit Download