f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 12:19

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General

Target
f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe
Size 30.2MB
Sample260808-phancawfnd
SHA256 f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e
MD5 1d4e31eeaabfea203505a503e7aa8e96
SHA1 31283d0ab182d3ca2ac7dee39bf1d67cdaa26a38
SHA512 beca7aec9028be5059370c9d92f4f4e866b3627e94681caccab7c58c8d1c0029b77f08f7677edb8252c61e07a194021746fea5d820c112ba3a34fb676e7b8e2f
SSDEEP 786432:WmtwijsbokVM1mrrZBiT/BCmDJZW8QWfbH:Wmrk0
TLSH
T132678D40E797ABA4C8860431205FBB3BA7385D198319CBF3D7D46E75A8737C1197AB0A
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-1-5-21-3053180483-1881419501-3594244048-1000\Control Panel\International\Geo\Nation	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\RustDesk\log\portable-service\f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e_rCURRENT.log	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.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
1536	5816	WerFault.exe	83

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	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5688	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe
5688	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5688	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5816 wrote to memory of 5688	5816	f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe	84

C:\Users\Admin\AppData\Local\Temp\f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe
"C:\Users\Admin\AppData\Local\Temp\f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5816
- C:\Users\Admin\AppData\Local\Temp\f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe
  "C:\Users\Admin\AppData\Local\Temp\f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe" --portable-service --portable-service-shmem-name=_portable_service_5816_95254317
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5688
- - C:\Users\Admin\AppData\Local\Temp\f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe
    "C:\Users\Admin\AppData\Local\Temp\f689be165cd1cfeb3ab53cd59bef114854b5b3d273de8ea9e66241ed7980ee4e.exe" --run-as-system --portable-service-shmem-name=_portable_service_5816_95254317
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:2168
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5816 -s 1100
  2⤵
  - Program crash
  PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5816 -ip 5816
1⤵
PID:2840

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

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Downloads

shared_memory_portable_service_5816_95254317

Path C:\ProgramData\RustDesk\portable_service_shmem\shared_memory_portable_service_5816_95254317
Size 23B
SHA256 c6143dedf5ac09ebfc4da3322badc4a773d5394f4672bb151047ed3f0a720c19
MD5 ad17804aedc35b45dc9fc0a670c44be4
SHA1 79975a20b2014e87162b84c0a86101f76d56e4c0
SHA512 ca6d54a23547c42fde6a5335119cd41ad81f9d4ddfafee8f8c6249f99bf318d7cc7e7bf18f45d6498382de58e17abc73b006bc5e1c5e00fb6a07dbb29643f7d8
MD5 SHA1 SHA512

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