asyncrat | ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/07/2026, 15:53

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General

Target
ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
Size 45KB
Sample260710-tbzfcaex2v
SHA256 ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65
MD5 7652236335478518900bb3d97a76374f
SHA1 5eb763e400996d4dba31667d83f5106d752232d0
SHA512 3231a8c1acb8566dfa5fe2c2edc6506d97ce0ac5bce5afd21777288c602980726f6a6075efea89a238df0b47231d6ff8c95be5ff47e7d2bd8445e8917a505435
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qY6iaLzwJAOPIcFzjbHgXWiwx1wD27U+cBDZ0x:8uuSpTgyf2i5U23cF3bAXf0wSud0x
TLSH
T18F231B003BE8812BF2BE4F789CF26145867EF6673603D58A1CC451DB5613FC69A426EE
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

phimsexvn.work:80
phimsexvn.work:22
phimsexvn.work:8080
phimsexvn.work:8880
phimsexvn.work:2052
phimsexvn.work:2082
phimsexvn.work:2086
phimsexvn.work:2095
phimsexvn.work:443
phimsexvn.work:2053
phimsexvn.work:2083
phimsexvn.work:2087
phimsexvn.work:2096
phimsexvn.work:8443
www.phimsexvn.work:80
www.phimsexvn.work:22
www.phimsexvn.work:8080
www.phimsexvn.work:8880
www.phimsexvn.work:2052
www.phimsexvn.work:2082
www.phimsexvn.work:2086
www.phimsexvn.work:2095
www.phimsexvn.work:443
www.phimsexvn.work:2053
www.phimsexvn.work:2083
www.phimsexvn.work:2087
www.phimsexvn.work:2096
www.phimsexvn.work:8443
zbot.phimsexvn.work:80
zbot.phimsexvn.work:22
zbot.phimsexvn.work:8080
zbot.phimsexvn.work:8880
zbot.phimsexvn.work:2052
zbot.phimsexvn.work:2082
zbot.phimsexvn.work:2086
zbot.phimsexvn.work:2095
zbot.phimsexvn.work:443
zbot.phimsexvn.work:2053
zbot.phimsexvn.work:2083
zbot.phimsexvn.work:2087
zbot.phimsexvn.work:2096
zbot.phimsexvn.work:8443
conficker.phimsexvn.work:80
conficker.phimsexvn.work:22
conficker.phimsexvn.work:8080
conficker.phimsexvn.work:8880
conficker.phimsexvn.work:2052
conficker.phimsexvn.work:2082
conficker.phimsexvn.work:2086
conficker.phimsexvn.work:2095
conficker.phimsexvn.work:443
conficker.phimsexvn.work:2053
conficker.phimsexvn.work:2083
conficker.phimsexvn.work:2087
conficker.phimsexvn.work:2096
conficker.phimsexvn.work:8443
locky.phimsexvn.work:80
locky.phimsexvn.work:22
locky.phimsexvn.work:8080
locky.phimsexvn.work:8880
locky.phimsexvn.work:2052
locky.phimsexvn.work:2082
locky.phimsexvn.work:2086
locky.phimsexvn.work:2095
locky.phimsexvn.work:443
locky.phimsexvn.work:2053
locky.phimsexvn.work:2083
locky.phimsexvn.work:2087
locky.phimsexvn.work:2096
locky.phimsexvn.work:8443
malware.phimsexvn.work:80
malware.phimsexvn.work:22
malware.phimsexvn.work:8080
malware.phimsexvn.work:8880
malware.phimsexvn.work:2052
malware.phimsexvn.work:2082
malware.phimsexvn.work:2086
malware.phimsexvn.work:2095
malware.phimsexvn.work:443
malware.phimsexvn.work:2053
malware.phimsexvn.work:2083
malware.phimsexvn.work:2087
malware.phimsexvn.work:2096
malware.phimsexvn.work:8443

Mutex

9oqcwqhIAWrT

Attributes

delay
0
install
true
install_file
ttg2zn.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/0x000d00000001c5c0-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3408	ttg2zn.exe
4168	ttg2zn.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	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	ttg2zn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ttg2zn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1536	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
6340	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
Token: SeDebugPrivilege	3408	ttg2zn.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5632 wrote to memory of 2960	5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe	88
PID 5632 wrote to memory of 2804	5632	ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe	90
PID 2960 wrote to memory of 6340	2960	cmd.exe	92
PID 2804 wrote to memory of 1536	2804	cmd.exe	93
PID 2804 wrote to memory of 4168	2804	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe
"C:\Users\Admin\AppData\Local\Temp\ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ttg2zn" /tr '"C:\Users\Admin\AppData\Roaming\ttg2zn.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2960
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ttg2zn" /tr '"C:\Users\Admin\AppData\Roaming\ttg2zn.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:6340
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3629.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1536
- - C:\Users\Admin\AppData\Roaming\ttg2zn.exe
    "C:\Users\Admin\AppData\Roaming\ttg2zn.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4168

C:\Users\Admin\AppData\Roaming\ttg2zn.exe
"C:\Users\Admin\AppData\Roaming\ttg2zn.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3408

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

tmp3629.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp3629.tmp.bat
Size 150B
SHA256 43cafde9e83de0ae8847c47d34deaeb79a5c72114030d5e2be9368db58824e0a
MD5 46c8b1eeb4d0c111d89c004decdfd2fd
SHA1 f754a502d6ba2d9e22d10e318cc5abbea1dede78
SHA512 edc817ed7d0e0df8187e36d3f619d95ed8199ca1f8fd962f9582b337f3086831f5087ce838a815a410cdf28e0118191038c01f10e6760abb665de6a56d1a20a7
TLSH
T196C08C4261C6AA0E3805141302BA949C91666C193E40BB108708486D22C0848E5E9242
MD5 SHA1 SHA512 TLSH

Submit Download

ttg2zn.exe

Path C:\Users\Admin\AppData\Roaming\ttg2zn.exe
Size 45KB
SHA256 ec654fe0b7e48438a408c2516959087811f7e62b592922b56c65705989458b65
MD5 7652236335478518900bb3d97a76374f
SHA1 5eb763e400996d4dba31667d83f5106d752232d0
SHA512 3231a8c1acb8566dfa5fe2c2edc6506d97ce0ac5bce5afd21777288c602980726f6a6075efea89a238df0b47231d6ff8c95be5ff47e7d2bd8445e8917a505435
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qY6iaLzwJAOPIcFzjbHgXWiwx1wD27U+cBDZ0x:8uuSpTgyf2i5U23cF3bAXf0wSud0x
TLSH
T18F231B003BE8812BF2BE4F789CF26145867EF6673603D58A1CC451DB5613FC69A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3408-12-0x0000000074830000-0x0000000074FEC000-memory.dmp

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memory/3408-14-0x0000000074830000-0x0000000074FEC000-memory.dmp

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memory/5632-0-0x0000000074842000-0x0000000074843000-memory.dmp

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memory/5632-1-0x0000000000E90000-0x0000000000EA2000-memory.dmp

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memory/5632-2-0x0000000074830000-0x0000000074FEC000-memory.dmp

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memory/5632-3-0x0000000005A80000-0x0000000005B1C000-memory.dmp

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memory/5632-9-0x0000000074830000-0x0000000074FEC000-memory.dmp

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