asyncrat | ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb

Analysis

max time kernel
6s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/07/2026, 12:04

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General

Target
ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
Size 45KB
Sample260703-n8pphsdv7l
SHA256 ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb
MD5 d766e409d63835c7b6c34b568e2cda30
SHA1 3e05d5e441d186b19e0eab69bcaf698a574cfa94
SHA512 8a3eb387a41ab481c29894e8b4d8be754b2a941c59e2aa4b59cde0c62e5d1745073ee4e861daaa38b40a3c54386c65a9afbf69ae7ffbe955f7f0bab7784e9d0c
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9IDEbHBqj2OPI/pzjbkgX3i4nVX2kcPMCOBDZ8x:0u1YJTHcw2HyoK3/p3brXS4nVtcQd8x
TLSH
T10D232B003BE8812BF2BE5FB89DF26145867AF2633603D54E1CC451975613FC69642AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

golicolombia.com:80
golicolombia.com:22
golicolombia.com:8080
golicolombia.com:8880
golicolombia.com:2052
golicolombia.com:2082
golicolombia.com:2086
golicolombia.com:2095
golicolombia.com:443
golicolombia.com:2053
golicolombia.com:2083
golicolombia.com:2087
golicolombia.com:2096
golicolombia.com:8443
www.golicolombia.com:80
www.golicolombia.com:22
www.golicolombia.com:8080
www.golicolombia.com:8880
www.golicolombia.com:2052
www.golicolombia.com:2082
www.golicolombia.com:2086
www.golicolombia.com:2095
www.golicolombia.com:443
www.golicolombia.com:2053
www.golicolombia.com:2083
www.golicolombia.com:2087
www.golicolombia.com:2096
www.golicolombia.com:8443
mydoom.golicolombia.com:80
mydoom.golicolombia.com:22
mydoom.golicolombia.com:8080
mydoom.golicolombia.com:8880
mydoom.golicolombia.com:2052
mydoom.golicolombia.com:2082
mydoom.golicolombia.com:2086
mydoom.golicolombia.com:2095
mydoom.golicolombia.com:443
mydoom.golicolombia.com:2053
mydoom.golicolombia.com:2083
mydoom.golicolombia.com:2087
mydoom.golicolombia.com:2096
mydoom.golicolombia.com:8443
darkside.golicolombia.com:80
darkside.golicolombia.com:22
darkside.golicolombia.com:8080
darkside.golicolombia.com:8880
darkside.golicolombia.com:2052
darkside.golicolombia.com:2082
darkside.golicolombia.com:2086
darkside.golicolombia.com:2095
darkside.golicolombia.com:443
darkside.golicolombia.com:2053
darkside.golicolombia.com:2083
darkside.golicolombia.com:2087
darkside.golicolombia.com:2096
darkside.golicolombia.com:8443

Mutex

HyrWMWJHQxQz

Attributes

delay
0
install
true
install_file
hc4dfu.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000e00000001c596-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5560	hc4dfu.exe
4164	hc4dfu.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 7 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	hc4dfu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hc4dfu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3404	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4272	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
Token: SeDebugPrivilege	5560	hc4dfu.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5912 wrote to memory of 4444	5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe	88
PID 5912 wrote to memory of 240	5912	ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe	90
PID 4444 wrote to memory of 4272	4444	cmd.exe	92
PID 240 wrote to memory of 3404	240	cmd.exe	93
PID 240 wrote to memory of 4164	240	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe
"C:\Users\Admin\AppData\Local\Temp\ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hc4dfu" /tr '"C:\Users\Admin\AppData\Roaming\hc4dfu.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4444
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hc4dfu" /tr '"C:\Users\Admin\AppData\Roaming\hc4dfu.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4272
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp66BF.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:240
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3404
- - C:\Users\Admin\AppData\Roaming\hc4dfu.exe
    "C:\Users\Admin\AppData\Roaming\hc4dfu.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4164

C:\Users\Admin\AppData\Roaming\hc4dfu.exe
"C:\Users\Admin\AppData\Roaming\hc4dfu.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5560

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2000
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:6016

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
1⤵
PID:2516

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:4832

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

prep_Activatable Class_Hermes_perf.cache

Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
Size 599B
SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
MD5 658ab8c32d4cc5deb36ac5f63da4658b
SHA1 30c12cd871ff0c2c4098d794e9ae4f2540586813
SHA512 a73030c008ef3c2e274f11c90bfe79fa8ae402f76801c710bed8cc1ab1218a84858ea566b772be4bade8ef639a019c57d297028df15b64b3753482cf0f3c8f85
TLSH
T12AF05C83EB6A1B72C456123DC8EE56E47B31D1846EC11367A2107B1D3C2B7192D174BD
MD5 SHA1 SHA512 TLSH

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tmp66BF.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp66BF.tmp.bat
Size 150B
SHA256 a7b94efd9b1372ed6d8e32ffad651882d318a4ad8b73afa6d4c0386cd92a11e8
MD5 dd31b437a26234cd84e9ed8ea28b66e3
SHA1 c85285133f093d1f46d6786543aab84de8ba9fea
SHA512 1627a60a054f2e4cb90c3f347aac620518dfa0f20c26b1a492afeab4a985db5f1b277255b0c17da8d9e17a68891704c10c089d221f432b862bb2d8d9aa57a3c1
TLSH
T132C08C4255C9AA8E2809289302BAA58C9162A8193F40AB00D304804EA280448E1DA249
MD5 SHA1 SHA512 TLSH

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hc4dfu.exe

Path C:\Users\Admin\AppData\Roaming\hc4dfu.exe
Size 45KB
SHA256 ecd8d6ed033271d151ae9ae85551fac91494219dc17990aba1e3c85aef1cefcb
MD5 d766e409d63835c7b6c34b568e2cda30
SHA1 3e05d5e441d186b19e0eab69bcaf698a574cfa94
SHA512 8a3eb387a41ab481c29894e8b4d8be754b2a941c59e2aa4b59cde0c62e5d1745073ee4e861daaa38b40a3c54386c65a9afbf69ae7ffbe955f7f0bab7784e9d0c
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9IDEbHBqj2OPI/pzjbkgX3i4nVX2kcPMCOBDZ8x:0u1YJTHcw2HyoK3/p3brXS4nVtcQd8x
TLSH
T10D232B003BE8812BF2BE5FB89DF26145867AF2633603D54E1CC451975613FC69642AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2516-36-0x00000174801E0000-0x00000174802E0000-memory.dmp

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memory/2516-81-0x0000017494210000-0x0000017494230000-memory.dmp

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memory/2516-62-0x0000017483E10000-0x0000017483E30000-memory.dmp

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memory/2516-50-0x0000017493E90000-0x0000017493F90000-memory.dmp

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memory/2516-49-0x0000017483A30000-0x0000017483A50000-memory.dmp

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memory/5560-12-0x00000000747C0000-0x0000000074F7C000-memory.dmp

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memory/5560-14-0x00000000747C0000-0x0000000074F7C000-memory.dmp

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memory/5912-3-0x0000000004E00000-0x0000000004E9C000-memory.dmp

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memory/5912-8-0x0000000074990000-0x000000007514C000-memory.dmp

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memory/5912-2-0x0000000074990000-0x000000007514C000-memory.dmp

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memory/5912-0-0x00000000749A2000-0x00000000749A3000-memory.dmp

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memory/5912-1-0x00000000002E0000-0x00000000002F2000-memory.dmp

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