asyncrat | f692d18b03aa9961131433c6728cbf4129ae3f18a96ccec46976d2f7c0dfaeb6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 16:37

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General

Target

Order Delivery- 1.6.2025.exe
Size

719KB
MD5

3e1c3afc24c1772f2a911f0ba3f0cd97
SHA1

8d4f335aa9ad3600bb65a8ab43275ce3d02fd9b3
SHA256

2559430bdf73cfe99051af2529d80c9691b641063fe0dd347270e2dff7553479
SHA512

36f11963360b3fba19b93b16cd19bf67e24887df96d2fd7797575d7c77bdf28b41c65fed042c9dd330dd358a87b4deacbcdebf9ffb7fce96c52fe254140b1ef6
SSDEEP

12288:9crNS33L10QdrXi4P7r9r/+ppppppppppppppppppppppppppppp0GHpnzDRLI3r:ANA3R5drXj1qHpzDRyEyon7Y1aJ+eW

Score

10^/10

asyncrat default01 discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default01

93.123.109.235:8747

93.123.109.235:7477

woolingbrin.systes.net:8747

woolingbrin.systes.net:7477

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
cicj.exe
install_folder
%Temp%

aes.plain

Signatures

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

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	Order Delivery- 1.6.2025.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	sdrtzd.sfx.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	sdrtzd.exe

Executes dropped EXE 7 IoCs

pid	Process
376	sdrtzd.sfx.exe
552	sdrtzd.exe
2520	sdrtzd.exe
1736	sdrtzd.exe
1716	cicj.exe
2092	cicj.exe
4636	cicj.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 552 set thread context of 2520	552	sdrtzd.exe	88
PID 552 set thread context of 1736	552	sdrtzd.exe	89
PID 1716 set thread context of 2092	1716	cicj.exe	97
PID 1716 set thread context of 4636	1716	cicj.exe	98

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 13 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	cicj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cicj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cicj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sdrtzd.sfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sdrtzd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sdrtzd.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	Order Delivery- 1.6.2025.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sdrtzd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1668	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
1320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe
2520	sdrtzd.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	sdrtzd.exe
Token: SeDebugPrivilege	2520	sdrtzd.exe
Token: SeDebugPrivilege	1716	cicj.exe
Token: SeDebugPrivilege	4636	cicj.exe
Token: SeDebugPrivilege	4636	cicj.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 1268	3112	Order Delivery- 1.6.2025.exe	83
PID 3112 wrote to memory of 1268	3112	Order Delivery- 1.6.2025.exe	83
PID 3112 wrote to memory of 1268	3112	Order Delivery- 1.6.2025.exe	83
PID 1268 wrote to memory of 376	1268	cmd.exe	86
PID 1268 wrote to memory of 376	1268	cmd.exe	86
PID 1268 wrote to memory of 376	1268	cmd.exe	86
PID 376 wrote to memory of 552	376	sdrtzd.sfx.exe	87
PID 376 wrote to memory of 552	376	sdrtzd.sfx.exe	87
PID 376 wrote to memory of 552	376	sdrtzd.sfx.exe	87
PID 552 wrote to memory of 2520	552	sdrtzd.exe	88
PID 552 wrote to memory of 2520	552	sdrtzd.exe	88
PID 552 wrote to memory of 2520	552	sdrtzd.exe	88
PID 552 wrote to memory of 2520	552	sdrtzd.exe	88
PID 552 wrote to memory of 2520	552	sdrtzd.exe	88
PID 552 wrote to memory of 2520	552	sdrtzd.exe	88
PID 552 wrote to memory of 2520	552	sdrtzd.exe	88
PID 552 wrote to memory of 2520	552	sdrtzd.exe	88
PID 552 wrote to memory of 1736	552	sdrtzd.exe	89
PID 552 wrote to memory of 1736	552	sdrtzd.exe	89
PID 552 wrote to memory of 1736	552	sdrtzd.exe	89
PID 552 wrote to memory of 1736	552	sdrtzd.exe	89
PID 552 wrote to memory of 1736	552	sdrtzd.exe	89
PID 552 wrote to memory of 1736	552	sdrtzd.exe	89
PID 552 wrote to memory of 1736	552	sdrtzd.exe	89
PID 552 wrote to memory of 1736	552	sdrtzd.exe	89
PID 2520 wrote to memory of 3212	2520	sdrtzd.exe	90
PID 2520 wrote to memory of 3212	2520	sdrtzd.exe	90
PID 2520 wrote to memory of 3212	2520	sdrtzd.exe	90
PID 2520 wrote to memory of 4372	2520	sdrtzd.exe	92
PID 2520 wrote to memory of 4372	2520	sdrtzd.exe	92
PID 2520 wrote to memory of 4372	2520	sdrtzd.exe	92
PID 3212 wrote to memory of 1320	3212	cmd.exe	94
PID 3212 wrote to memory of 1320	3212	cmd.exe	94
PID 3212 wrote to memory of 1320	3212	cmd.exe	94
PID 4372 wrote to memory of 1668	4372	cmd.exe	95
PID 4372 wrote to memory of 1668	4372	cmd.exe	95
PID 4372 wrote to memory of 1668	4372	cmd.exe	95
PID 4372 wrote to memory of 1716	4372	cmd.exe	96
PID 4372 wrote to memory of 1716	4372	cmd.exe	96
PID 4372 wrote to memory of 1716	4372	cmd.exe	96
PID 1716 wrote to memory of 2092	1716	cicj.exe	97
PID 1716 wrote to memory of 2092	1716	cicj.exe	97
PID 1716 wrote to memory of 2092	1716	cicj.exe	97
PID 1716 wrote to memory of 2092	1716	cicj.exe	97
PID 1716 wrote to memory of 2092	1716	cicj.exe	97
PID 1716 wrote to memory of 2092	1716	cicj.exe	97
PID 1716 wrote to memory of 2092	1716	cicj.exe	97
PID 1716 wrote to memory of 2092	1716	cicj.exe	97
PID 1716 wrote to memory of 4636	1716	cicj.exe	98
PID 1716 wrote to memory of 4636	1716	cicj.exe	98
PID 1716 wrote to memory of 4636	1716	cicj.exe	98
PID 1716 wrote to memory of 4636	1716	cicj.exe	98
PID 1716 wrote to memory of 4636	1716	cicj.exe	98
PID 1716 wrote to memory of 4636	1716	cicj.exe	98
PID 1716 wrote to memory of 4636	1716	cicj.exe	98
PID 1716 wrote to memory of 4636	1716	cicj.exe	98

C:\Users\Admin\AppData\Local\Temp\Order Delivery- 1.6.2025.exe
"C:\Users\Admin\AppData\Local\Temp\Order Delivery- 1.6.2025.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\mysfgdf.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1268
- - C:\Users\Admin\AppData\Roaming\sdrtzd.sfx.exe
    sdrtzd.sfx.exe -pyhtgfredsweafupbodcsyRgeyhrntdestyuhngfszhvqxsdfHbgnmeK -dC:\Users\Admin\AppData\Roaming
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:376
  - - C:\Users\Admin\AppData\Roaming\sdrtzd.exe
      "C:\Users\Admin\AppData\Roaming\sdrtzd.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:552
    - - C:\Users\Admin\AppData\Roaming\sdrtzd.exe
        
        C:\Users\Admin\AppData\Roaming\sdrtzd.exe
        5⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2520
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cicj" /tr '"C:\Users\Admin\AppData\Local\Temp\cicj.exe"' & exit
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3212
        
        C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "cicj" /tr '"C:\Users\Admin\AppData\Local\Temp\cicj.exe"'
        7⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1320
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC071.tmp.bat""
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4372
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        7⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:1668
        
        C:\Users\Admin\AppData\Local\Temp\cicj.exe
        
        "C:\Users\Admin\AppData\Local\Temp\cicj.exe"
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1716
        
        C:\Users\Admin\AppData\Local\Temp\cicj.exe
        
        C:\Users\Admin\AppData\Local\Temp\cicj.exe
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2092
        
        C:\Users\Admin\AppData\Local\Temp\cicj.exe
        
        C:\Users\Admin\AppData\Local\Temp\cicj.exe
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4636
    - - C:\Users\Admin\AppData\Roaming\sdrtzd.exe
        
        C:\Users\Admin\AppData\Roaming\sdrtzd.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1736

Network

MITRE ATT&CK Enterprise v15

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

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\sdrtzd.exe.log

Filesize
522B

MD5
0f39d6b9afc039d81ff31f65cbf76826

SHA1
8356d04fe7bba2695d59b6caf5c59f58f3e1a6d8

SHA256
ea16b63ffd431ebf658b903710b6b3a9b8a2eb6814eee3a53b707a342780315d

SHA512
5bad54adb2e32717ef6275f49e2f101dd7e2011c9be14a32e5c29051e8a3f608cbd0b44ac4855ab21e790cb7a5d84c5f69de087074fd01b35259d34d07f5aaf9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC071.tmp.bat

Filesize
151B

MD5
268b873e1e741d9008cf889560718d35

SHA1
47ca9acc06900f2ebba4cbeccf4b0f9eabade74f

SHA256
4788481781e0d414caae31a6ea841eed682b7223810584488b3809180a56c463

SHA512
fa81d1302281a909d1c475d27df9f122f5d93304f32b32fed768388511f4aa6ca237bde8ba1548d2466b8bc1dc9525ae0d078a1b1ed3539d6ddea4cbb59c46ed

Download Submit
C:\Users\Admin\AppData\Roaming\mysfgdf.bat

Filesize
18KB

MD5
e83dce8f5ff19e5d91133d8aa56923e2

SHA1
2c6da0d9a725a91fc7c923bc28f338478c005c54

SHA256
5817f59483cbfcab8953c27cca9c7361c62156a400fa3b6a53cc0e4e48d56baa

SHA512
0ba193edb692b0abaea08b04c1a5fc2ad83147ad6826aa27e6f13da6b06cbcffd02c7a38b96418e92e4a6ad4800e450ceab913dc610e67829add24265dbd17de

Download Submit
C:\Users\Admin\AppData\Roaming\sdrtzd.exe

Filesize
147KB

MD5
6ad10623e928ad847f7bca5338faff18

SHA1
8a7f0ace9c3ec30d76493647e10cf42dbb159d56

SHA256
d2d91a8de88407eb1e804adc1c6528fdec8d8df0c4bb0f11ea90cafb730efdcb

SHA512
a4afa9283e738a2acedb3af6d136077fd3f005a57e250d5d11c980398a9f42694842fcc06700cde316e5c36d63b90d2f694fed94d9281d6025b3673735efe6c1

Download Submit
C:\Users\Admin\AppData\Roaming\sdrtzd.sfx.exe

Filesize
368KB

MD5
9a5cb8527fdf6f91ca49598053121791

SHA1
52a8ace49ef55939381c88a0c31c8ffe8df1deff

SHA256
86faa786a6db1b2236096963e7219ca0bba54278e47256e586a24077f137c1bc

SHA512
77a52f25a5d3456eed654c91cda2d3fee6acd58564cbbf0fdecc7f33db9c93da829618bda766b633c5ab45c3cf6e3c7ad45a3e611444a2d77d785f0c5bbe29e4

Download Submit
memory/552-22-0x0000000000230000-0x000000000025A000-memory.dmp

Filesize
168KB

Download
memory/552-23-0x0000000004C50000-0x0000000004CEC000-memory.dmp

Filesize
624KB

Download
memory/2520-24-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download