asyncrat | 2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0

Analysis

max time kernel
72s
max time network
149s
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, 10:16

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General

Target
2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
Size 45KB
Sample260703-mbannafs8z
SHA256 2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0
MD5 a17a4f3f76ea6ce1caf7c00909936e5a
SHA1 165f374f758a36269ffc48b3613e82a176e2b423
SHA512 b484e518a93f41538f3061b26a7b83635ecd42cc7c4dd6690c8fdf239631dafdd419d0575805fca469bfab474eaa552735b6367fe6adb754621fac485e7e34bc
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q92CHyTtpPIlzjbkgX3iBQu3Z0Md5PhBDZ8x:0u1YJTHcw2BnQl3brXSBQu3KEd8x
TLSH
T111231B0037E8D12BF2BE4F7898F26145867AF1672603D58D2CC441DB5623FC69A42AFD
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
ursnif.golicolombia.com:80
ursnif.golicolombia.com:22
ursnif.golicolombia.com:8080
ursnif.golicolombia.com:8880
ursnif.golicolombia.com:2052
ursnif.golicolombia.com:2082
ursnif.golicolombia.com:2086
ursnif.golicolombia.com:2095
ursnif.golicolombia.com:443
ursnif.golicolombia.com:2053
ursnif.golicolombia.com:2083
ursnif.golicolombia.com:2087
ursnif.golicolombia.com:2096
ursnif.golicolombia.com:8443
malware.golicolombia.com:80
malware.golicolombia.com:22
malware.golicolombia.com:8080
malware.golicolombia.com:8880
malware.golicolombia.com:2052
malware.golicolombia.com:2082
malware.golicolombia.com:2086
malware.golicolombia.com:2095
malware.golicolombia.com:443
malware.golicolombia.com:2053
malware.golicolombia.com:2083
malware.golicolombia.com:2087
malware.golicolombia.com:2096
malware.golicolombia.com:8443

Mutex

r6QMH8GUmV2p

Attributes

delay
0
install
true
install_file
l16do2.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/0x000e00000001c4e5-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4844	l16do2.exe
5764	l16do2.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	l16do2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l16do2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.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
1460	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
4840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
Token: SeDebugPrivilege	4844	l16do2.exe
Token: SeShutdownPrivilege	3348	explorer.exe
Token: SeCreatePagefilePrivilege	3348	explorer.exe
Token: SeShutdownPrivilege	3348	explorer.exe
Token: SeCreatePagefilePrivilege	3348	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5672	sihost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 416 wrote to memory of 3764	416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe	88
PID 416 wrote to memory of 4160	416	2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe	90
PID 4160 wrote to memory of 1460	4160	cmd.exe	92
PID 3764 wrote to memory of 4840	3764	cmd.exe	93
PID 4160 wrote to memory of 5764	4160	cmd.exe	96
PID 5672 wrote to memory of 3348	5672	sihost.exe	102

C:\Users\Admin\AppData\Local\Temp\2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe
"C:\Users\Admin\AppData\Local\Temp\2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "l16do2" /tr '"C:\Users\Admin\AppData\Roaming\l16do2.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3764
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "l16do2" /tr '"C:\Users\Admin\AppData\Roaming\l16do2.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4840
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA2A4.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4160
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1460
- - C:\Users\Admin\AppData\Roaming\l16do2.exe
    "C:\Users\Admin\AppData\Roaming\l16do2.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5764

C:\Users\Admin\AppData\Roaming\l16do2.exe
"C:\Users\Admin\AppData\Roaming\l16do2.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4844

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5672
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3348

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
1⤵
PID:5588

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3940

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

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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 607B
SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
MD5 76b78ed7ff6273215b134d6a6488035d
SHA1 9e7a11ffb68d027036302eccd4c22315054843a9
SHA512 9919504cd4d8c0757abff8da4bbad1c4b6532f81d290c736fc5624ef66de45e6a9e29a8290854ae554d5bdfc5291f1ea81ae62d1b25846bfbcf1515e2ec3e4f1
TLSH
T174F0DC53CBD6536BD527223CC8E207E1FA70E2719E81212386106F2D6CB77241E474B4
MD5 SHA1 SHA512 TLSH

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tmpA2A4.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpA2A4.tmp.bat
Size 150B
SHA256 20f20dd6f80ec8df4a2ef210f1ebf365a3710fce1372e53a0b9d68572f167fda
MD5 f65fa2a7410972023b65a71a68df4350
SHA1 f97b8b418e350accbd272cbdc1477bafac36c927
SHA512 49d3c56e5fb766a37e76b0747c245f0e99de343364db819fae484c4a499182fa3b912c5cf89e35a565e2c90856cf71b54c6e0ff26dc28107abcd1dc32648e068
TLSH
T104C08C4252C5EA8E2806241302FAA48DA262A8293E40AB008704400E628046CF0D9241
MD5 SHA1 SHA512 TLSH

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l16do2.exe

Path C:\Users\Admin\AppData\Roaming\l16do2.exe
Size 45KB
SHA256 2aa1a12e7f9e52cc56811d6988983a7b39897283641262844aeb5f19154b07c0
MD5 a17a4f3f76ea6ce1caf7c00909936e5a
SHA1 165f374f758a36269ffc48b3613e82a176e2b423
SHA512 b484e518a93f41538f3061b26a7b83635ecd42cc7c4dd6690c8fdf239631dafdd419d0575805fca469bfab474eaa552735b6367fe6adb754621fac485e7e34bc
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q92CHyTtpPIlzjbkgX3iBQu3Z0Md5PhBDZ8x:0u1YJTHcw2BnQl3brXSBQu3KEd8x
TLSH
T111231B0037E8D12BF2BE4F7898F26145867AF1672603D58D2CC441DB5623FC69A42AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/416-3-0x0000000005530000-0x00000000055CC000-memory.dmp

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memory/416-8-0x0000000074C90000-0x000000007544C000-memory.dmp

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memory/416-0-0x0000000074CA2000-0x0000000074CA3000-memory.dmp

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memory/416-2-0x0000000074C90000-0x000000007544C000-memory.dmp

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memory/416-1-0x0000000000A40000-0x0000000000A52000-memory.dmp

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memory/3940-191-0x000001BA57850000-0x000001BA57C84000-memory.dmp

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memory/4844-12-0x00000000744C2000-0x00000000744C3000-memory.dmp

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memory/5588-34-0x0000012C00020000-0x0000012C00120000-memory.dmp

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memory/5588-78-0x0000012C14030000-0x0000012C14050000-memory.dmp

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memory/5588-40-0x0000012C13C90000-0x0000012C13D90000-memory.dmp

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memory/5588-51-0x0000012C03B90000-0x0000012C03BB0000-memory.dmp

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memory/5588-39-0x0000012C03860000-0x0000012C03880000-memory.dmp

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