asyncrat | af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 09:26

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General

Target
af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
Size 45KB
Sample260816-ld52xavanb
SHA256 af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37
MD5 8ef8073173dbf9e206de59d4a79abf1e
SHA1 6d6b12b326ded2641d82d1f1c55d7f1f6b6939ae
SHA512 b85e9669ef93d70bba5a4fe2ea3a6c788d15dd123ed3f7f679b95e9cc5c4383165a3870e61127b4c00e19a3a6992503e7182833cf781c3f882798e9a1cb08cc8
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9zCOtTMtPImzjbkgX3i6fqnLsgir1uOGgBDZsx:EulCJTHl42MRvm3brXSoqnQpZPG2dsx
TLSH
T10A233B0037E8812BF2BE5F74A9F26145867AF5633603D58E1CC4419B5623FC69A426FE
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

streamforester.name:80
streamforester.name:22
streamforester.name:8080
streamforester.name:8880
streamforester.name:2052
streamforester.name:2082
streamforester.name:2086
streamforester.name:2095
streamforester.name:443
streamforester.name:2053
streamforester.name:2083
streamforester.name:2087
streamforester.name:2096
streamforester.name:8443
www.streamforester.name:80
www.streamforester.name:22
www.streamforester.name:8080
www.streamforester.name:8880
www.streamforester.name:2052
www.streamforester.name:2082
www.streamforester.name:2086
www.streamforester.name:2095
www.streamforester.name:443
www.streamforester.name:2053
www.streamforester.name:2083
www.streamforester.name:2087
www.streamforester.name:2096
www.streamforester.name:8443
dridex.streamforester.name:80
dridex.streamforester.name:22
dridex.streamforester.name:8080
dridex.streamforester.name:8880
dridex.streamforester.name:2052
dridex.streamforester.name:2082
dridex.streamforester.name:2086
dridex.streamforester.name:2095
dridex.streamforester.name:443
dridex.streamforester.name:2053
dridex.streamforester.name:2083
dridex.streamforester.name:2087
dridex.streamforester.name:2096
dridex.streamforester.name:8443
mirai.streamforester.name:80
mirai.streamforester.name:22
mirai.streamforester.name:8080
mirai.streamforester.name:8880
mirai.streamforester.name:2052
mirai.streamforester.name:2082
mirai.streamforester.name:2086
mirai.streamforester.name:2095
mirai.streamforester.name:443
mirai.streamforester.name:2053
mirai.streamforester.name:2083
mirai.streamforester.name:2087
mirai.streamforester.name:2096
mirai.streamforester.name:8443

Mutex

ZkZlVzRpDKkM

Attributes

delay
0
install
true
install_file
qbtpk4.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/0x000e00000001c49d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
6008	qbtpk4.exe
5748	qbtpk4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
808	cmd.exe
6060	cmd.exe

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	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qbtpk4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qbtpk4.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4664	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
3576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 808	4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe	89
PID 4112 wrote to memory of 6060	4112	af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe	91
PID 808 wrote to memory of 3576	808	cmd.exe	93
PID 6060 wrote to memory of 4664	6060	cmd.exe	94
PID 6060 wrote to memory of 5748	6060	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe
"C:\Users\Admin\AppData\Local\Temp\af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "qbtpk4" /tr '"C:\Users\Admin\AppData\Roaming\qbtpk4.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:808
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "qbtpk4" /tr '"C:\Users\Admin\AppData\Roaming\qbtpk4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3576
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4646.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6060
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4664
- - C:\Users\Admin\AppData\Roaming\qbtpk4.exe
    "C:\Users\Admin\AppData\Roaming\qbtpk4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5748

C:\Users\Admin\AppData\Roaming\qbtpk4.exe
"C:\Users\Admin\AppData\Roaming\qbtpk4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:6008

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

tmp4646.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4646.tmp.bat
Size 150B
SHA256 401ccf8694ded64a0d6161554c10691d644bf367b6a8c17d6f3f58aa31693962
MD5 27519bc75380a1ed3609f5aa07e7b5fd
SHA1 2e2c16dbdcd216ff54ede0e7f5f53755b6a092c7
SHA512 5ded9e09a20bbdb9f172cfd3f1d48e0095ffaa09ba5d98c6fc2af5d1e079ee5b1876d05c65eef70242036e32fd980a7e80d19feb4399a83eae08887570216189
TLSH
T13AC02B8361C5EA4E3C05242303FAE88C9173AC1A3F40FB00D304485D53C048CF0E9341
MD5 SHA1 SHA512 TLSH

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qbtpk4.exe

Path C:\Users\Admin\AppData\Roaming\qbtpk4.exe
Size 45KB
SHA256 af3326a4875f451c29868b87b025d3ba0c824d8a0bb50f68a0016487834f5d37
MD5 8ef8073173dbf9e206de59d4a79abf1e
SHA1 6d6b12b326ded2641d82d1f1c55d7f1f6b6939ae
SHA512 b85e9669ef93d70bba5a4fe2ea3a6c788d15dd123ed3f7f679b95e9cc5c4383165a3870e61127b4c00e19a3a6992503e7182833cf781c3f882798e9a1cb08cc8
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9zCOtTMtPImzjbkgX3i6fqnLsgir1uOGgBDZsx:EulCJTHl42MRvm3brXSoqnQpZPG2dsx
TLSH
T10A233B0037E8812BF2BE5F74A9F26145867AF5633603D58E1CC4419B5623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4112-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

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memory/4112-1-0x0000000000720000-0x0000000000732000-memory.dmp

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memory/4112-2-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/4112-3-0x0000000005160000-0x00000000051FC000-memory.dmp

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memory/4112-8-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/6008-12-0x0000000074A90000-0x000000007524C000-memory.dmp

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memory/6008-14-0x0000000074A90000-0x000000007524C000-memory.dmp

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