asyncrat | f66064dea97d8f15aa572ada9d0de2f718a0837dee70a24c752b65664b40bb0e

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260617-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/06/2026, 19:42

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General

Target
7m.exe
Size 45KB
Sample260625-yes5ysey21
SHA256 f66064dea97d8f15aa572ada9d0de2f718a0837dee70a24c752b65664b40bb0e
MD5 f9e077a74962551bcca1bd70ad1f1b70
SHA1 166e903e9863f9cffb178b0a57ab24ec48dd20eb
SHA512 8a00b535e9580d524ec82ca90b94244aa066d3edd2e5d31f1403be2cfb30bcdfeacfb0ebd55512ae9a8b9b8112f16e8a491ea8a9e73f6ae40526c561c4e2cd56
SSDEEP 768:yusPr1TUq7qMFPWUDVGotmo2qziR04mmVtbbba7m/RPIWzjbAgH3iEf+PsK4fbWn:yusj1TUfMso23RJ/q70OW3bnHSI+z4jq
TLSH
T131232B003BD8812BF1BF4F78A9F261458A7AF2632603D94A1CC4519B5713FC6DA526FE
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

4ward.com.mx:80
4ward.com.mx:8080
4ward.com.mx:443
4ward.com.mx:8443
4ward.com.mx:3306
4ward.com.mx:20
4ward.com.mx:25

Mutex

dWWUO0pEsgj1

Attributes

delay
3
install
true
install_file
7m.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/0x0004000000016b48-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
904	7m.exe
3100	7m.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7m.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7m.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7m.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5284	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
3672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe
4840	7m.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4840	7m.exe
Token: SeDebugPrivilege	904	7m.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 4524	4840	7m.exe	89
PID 4840 wrote to memory of 5816	4840	7m.exe	91
PID 4524 wrote to memory of 3672	4524	cmd.exe	93
PID 5816 wrote to memory of 5284	5816	cmd.exe	94
PID 5816 wrote to memory of 3100	5816	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\7m.exe
"C:\Users\Admin\AppData\Local\Temp\7m.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "7m" /tr '"C:\Users\Admin\AppData\Roaming\7m.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4524
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "7m" /tr '"C:\Users\Admin\AppData\Roaming\7m.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3672
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1AB2.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5816
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5284
- - C:\Users\Admin\AppData\Roaming\7m.exe
    "C:\Users\Admin\AppData\Roaming\7m.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3100

C:\Users\Admin\AppData\Roaming\7m.exe
"C:\Users\Admin\AppData\Roaming\7m.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:904

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

tmp1AB2.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp1AB2.tmp.bat
Size 146B
SHA256 c78e54a127404f5aa075a885a716c46e1fd402f9324f0055d1b0f6a1c56759a8
MD5 27f1e9dc1086fff836a56956c316e81d
SHA1 53cc24401455f380de20471e8929998f7b32131e
SHA512 8fb339027e01e64486713cd2dd95524a2e203d9e1968f2bd30b0ef266a4385f9bd99abe5201e5636b117df80e22236b79895b6a5a47c13ffbbd351c0885e70f3
TLSH
T144C02B9251C5EA1E390914131AFAD89C91B66C5D3F44BF40E385400D2280489F0E9345
MD5 SHA1 SHA512 TLSH

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7m.exe

Path C:\Users\Admin\AppData\Roaming\7m.exe
Size 45KB
SHA256 f66064dea97d8f15aa572ada9d0de2f718a0837dee70a24c752b65664b40bb0e
MD5 f9e077a74962551bcca1bd70ad1f1b70
SHA1 166e903e9863f9cffb178b0a57ab24ec48dd20eb
SHA512 8a00b535e9580d524ec82ca90b94244aa066d3edd2e5d31f1403be2cfb30bcdfeacfb0ebd55512ae9a8b9b8112f16e8a491ea8a9e73f6ae40526c561c4e2cd56
SSDEEP 768:yusPr1TUq7qMFPWUDVGotmo2qziR04mmVtbbba7m/RPIWzjbAgH3iEf+PsK4fbWn:yusj1TUfMso23RJ/q70OW3bnHSI+z4jq
TLSH
T131232B003BD8812BF1BF4F78A9F261458A7AF2632603D94A1CC4519B5713FC6DA526FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/904-12-0x0000000074B50000-0x000000007530C000-memory.dmp

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memory/904-14-0x0000000074B50000-0x000000007530C000-memory.dmp

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memory/4840-0-0x0000000074CA2000-0x0000000074CA3000-memory.dmp

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memory/4840-1-0x0000000000980000-0x0000000000992000-memory.dmp

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memory/4840-2-0x0000000074C90000-0x000000007544C000-memory.dmp

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memory/4840-3-0x0000000005500000-0x000000000559C000-memory.dmp

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memory/4840-8-0x0000000074C90000-0x000000007544C000-memory.dmp

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