asyncrat | 83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c

Analysis

max time kernel
148s
max time network
159s
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, 14:44

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General

Target
83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
Size 45KB
Sample260703-r4krjsbs6s
SHA256 83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c
MD5 de629f244ee05e5518594e8995391c35
SHA1 a10465bcac0fa1b3e89398b78afb97b3770c7dfc
SHA512 971f673648b22d7caa3d4e883cdff3b3dfe6efa16a8eaba8f28016a8901dca0fb2119b7a4fa6821b203e031184c77fffc220472b47d865173607447a971a11d6
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9jZoQTMtPI4ejbTgX3izThG48hI9/7wBDZ8x:0u1YJTHcw28L34SbMXSJmIcd8x
TLSH
T154232A0037E8812BF2BE5B78ADF25145867AF5673603D58E1CC401DB5623FC69A426FE
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
dridex.golicolombia.com:80
dridex.golicolombia.com:22
dridex.golicolombia.com:8080
dridex.golicolombia.com:8880
dridex.golicolombia.com:2052
dridex.golicolombia.com:2082
dridex.golicolombia.com:2086
dridex.golicolombia.com:2095
dridex.golicolombia.com:443
dridex.golicolombia.com:2053
dridex.golicolombia.com:2083
dridex.golicolombia.com:2087
dridex.golicolombia.com:2096
dridex.golicolombia.com:8443
hacker.golicolombia.com:80
hacker.golicolombia.com:22
hacker.golicolombia.com:8080
hacker.golicolombia.com:8880
hacker.golicolombia.com:2052
hacker.golicolombia.com:2082
hacker.golicolombia.com:2086
hacker.golicolombia.com:2095
hacker.golicolombia.com:443
hacker.golicolombia.com:2053
hacker.golicolombia.com:2083
hacker.golicolombia.com:2087
hacker.golicolombia.com:2096
hacker.golicolombia.com:8443

Mutex

rFHFtLTv03rs

Attributes

delay
0
install
true
install_file
2s41pc.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/0x000d00000001c5d6-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5928	2s41pc.exe
2704	2s41pc.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2s41pc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2s41pc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5856	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
5932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
Token: SeDebugPrivilege	5928	2s41pc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5816 wrote to memory of 5964	5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe	88
PID 5816 wrote to memory of 6420	5816	83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe	89
PID 5964 wrote to memory of 5932	5964	cmd.exe	92
PID 6420 wrote to memory of 5856	6420	cmd.exe	93
PID 6420 wrote to memory of 2704	6420	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe
"C:\Users\Admin\AppData\Local\Temp\83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2s41pc" /tr '"C:\Users\Admin\AppData\Roaming\2s41pc.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5964
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "2s41pc" /tr '"C:\Users\Admin\AppData\Roaming\2s41pc.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5932
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8E51.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6420
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5856
- - C:\Users\Admin\AppData\Roaming\2s41pc.exe
    "C:\Users\Admin\AppData\Roaming\2s41pc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2704

C:\Users\Admin\AppData\Roaming\2s41pc.exe
"C:\Users\Admin\AppData\Roaming\2s41pc.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5928

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

tmp8E51.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp8E51.tmp.bat
Size 150B
SHA256 c87dbf3bf6eb179dd0046752fcc2e56647f7a0334f7a2ebb844b90a875b8be14
MD5 0ed3201ac75f7830033fd109d3c4cb44
SHA1 d959977d0499c5d3bbe08672f34c62534762c809
SHA512 41bd11582159cb8e06ab34b8c762098909f93759f0fdd05093e723d2bbad7877bb315bce8b18f01a0982c49c0ea27053ec6529a1d02b6bb707a27588d0131909
TLSH
T117C02B4B59CAFB0F2845A46303FED98E917A6D993F40BF00C344440D12C0449F0E9B46
MD5 SHA1 SHA512 TLSH

Submit Download

2s41pc.exe

Path C:\Users\Admin\AppData\Roaming\2s41pc.exe
Size 45KB
SHA256 83adc81c3c8bcb4b4b446bd404d035b386706b49584eaf0c9b88d5698d687b0c
MD5 de629f244ee05e5518594e8995391c35
SHA1 a10465bcac0fa1b3e89398b78afb97b3770c7dfc
SHA512 971f673648b22d7caa3d4e883cdff3b3dfe6efa16a8eaba8f28016a8901dca0fb2119b7a4fa6821b203e031184c77fffc220472b47d865173607447a971a11d6
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9jZoQTMtPI4ejbTgX3izThG48hI9/7wBDZ8x:0u1YJTHcw28L34SbMXSJmIcd8x
TLSH
T154232A0037E8812BF2BE5B78ADF25145867AF5673603D58E1CC401DB5623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5816-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

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memory/5816-1-0x00000000009F0000-0x0000000000A02000-memory.dmp

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memory/5816-2-0x00000000749A0000-0x000000007515C000-memory.dmp

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memory/5816-3-0x00000000053E0000-0x000000000547C000-memory.dmp

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memory/5816-8-0x00000000749A0000-0x000000007515C000-memory.dmp

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memory/5928-12-0x0000000074900000-0x00000000750BC000-memory.dmp

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memory/5928-14-0x0000000074900000-0x00000000750BC000-memory.dmp

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