asyncrat | 27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4

Analysis

max time kernel
148s
max time network
148s
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, 12:49

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General

Target
27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
Size 45KB
Sample260710-p2v4dsc12v
SHA256 27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4
MD5 706835125afcabe13491e32f84c63a8e
SHA1 dc0df61e7f3e47e3f7b8c47815764c656dd329b7
SHA512 9cdcb19038498421509a0b67d947b406b5fcfd283d90ca32e579c0f12a87abc7b16df862bb4bb48c0d2aff3b0970698a68c24d296ac1e13966636d0043b4bd42
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1nLiE0yFjrdjYkk8PIuPjbqgX3ir95M6sSFxlCBDZO:wuZ8pT1tc2KLBXQBu7b9XSJ5MRSFxudO
TLSH
T111231B003BE9812BF2BE4F7859F26245867AF1732603D64A1CC451DB5623FC69A42AFD
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

phimsexz.org:80
phimsexz.org:22
phimsexz.org:8080
phimsexz.org:8880
phimsexz.org:2052
phimsexz.org:2082
phimsexz.org:2086
phimsexz.org:2095
phimsexz.org:443
phimsexz.org:2053
phimsexz.org:2083
phimsexz.org:2087
phimsexz.org:2096
phimsexz.org:8443
www.phimsexz.org:80
www.phimsexz.org:22
www.phimsexz.org:8080
www.phimsexz.org:8880
www.phimsexz.org:2052
www.phimsexz.org:2082
www.phimsexz.org:2086
www.phimsexz.org:2095
www.phimsexz.org:443
www.phimsexz.org:2053
www.phimsexz.org:2083
www.phimsexz.org:2087
www.phimsexz.org:2096
www.phimsexz.org:8443
malware.phimsexz.org:80
malware.phimsexz.org:22
malware.phimsexz.org:8080
malware.phimsexz.org:8880
malware.phimsexz.org:2052
malware.phimsexz.org:2082
malware.phimsexz.org:2086
malware.phimsexz.org:2095
malware.phimsexz.org:443
malware.phimsexz.org:2053
malware.phimsexz.org:2083
malware.phimsexz.org:2087
malware.phimsexz.org:2096
malware.phimsexz.org:8443
sobig.phimsexz.org:80
sobig.phimsexz.org:22
sobig.phimsexz.org:8080
sobig.phimsexz.org:8880
sobig.phimsexz.org:2052
sobig.phimsexz.org:2082
sobig.phimsexz.org:2086
sobig.phimsexz.org:2095
sobig.phimsexz.org:443
sobig.phimsexz.org:2053
sobig.phimsexz.org:2083
sobig.phimsexz.org:2087
sobig.phimsexz.org:2096
sobig.phimsexz.org:8443

Mutex

8MgNk8Bo9PTd

Attributes

delay
0
install
true
install_file
3807.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/0x0005000000016b3d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1120	3807.exe
1616	3807.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	3807.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3807.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
6048	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
1996	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
Token: SeDebugPrivilege	1120	3807.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 4572	2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe	87
PID 2324 wrote to memory of 4460	2324	27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe	89
PID 4572 wrote to memory of 1996	4572	cmd.exe	91
PID 4460 wrote to memory of 6048	4460	cmd.exe	92
PID 4460 wrote to memory of 1616	4460	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe
"C:\Users\Admin\AppData\Local\Temp\27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3807" /tr '"C:\Users\Admin\AppData\Roaming\3807.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "3807" /tr '"C:\Users\Admin\AppData\Roaming\3807.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1996
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8812.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:6048
- - C:\Users\Admin\AppData\Roaming\3807.exe
    "C:\Users\Admin\AppData\Roaming\3807.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1616

C:\Users\Admin\AppData\Roaming\3807.exe
"C:\Users\Admin\AppData\Roaming\3807.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1120

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

tmp8812.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp8812.tmp.bat
Size 148B
SHA256 4db58198d8d033951d2d35e667864e704bca6afec4637692fad3fd777841fb01
MD5 7427b5202e94629bdde04b50b348ef9d
SHA1 f2dea132aeed32d559f13dd9575675f25943edd2
SHA512 059194078061a2c4952c80163a045696ced81ac1b826ae89e449f9ed168a5d245c716aae7d9e7de5c07758187b828f66cc48e0f9cda595c4a3f44ece9853b0bf
TLSH
T13FC08C8251C6AA4E2909982306FA949CD17AA8593E41AB00C34A400D1280449E099342
MD5 SHA1 SHA512 TLSH

Submit Download

3807.exe

Path C:\Users\Admin\AppData\Roaming\3807.exe
Size 45KB
SHA256 27f5a818454994ba8e6fb798653415d9a3a331559d9b2dfae647d38c836b24c4
MD5 706835125afcabe13491e32f84c63a8e
SHA1 dc0df61e7f3e47e3f7b8c47815764c656dd329b7
SHA512 9cdcb19038498421509a0b67d947b406b5fcfd283d90ca32e579c0f12a87abc7b16df862bb4bb48c0d2aff3b0970698a68c24d296ac1e13966636d0043b4bd42
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1nLiE0yFjrdjYkk8PIuPjbqgX3ir95M6sSFxlCBDZO:wuZ8pT1tc2KLBXQBu7b9XSJ5MRSFxudO
TLSH
T111231B003BE9812BF2BE4F7859F26245867AF1732603D64A1CC451DB5623FC69A42AFD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1120-12-0x0000000074C10000-0x00000000753CC000-memory.dmp

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memory/1120-14-0x0000000074C10000-0x00000000753CC000-memory.dmp

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memory/2324-0-0x0000000074D92000-0x0000000074D93000-memory.dmp

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memory/2324-1-0x00000000009F0000-0x0000000000A02000-memory.dmp

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memory/2324-2-0x0000000074D80000-0x000000007553C000-memory.dmp

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memory/2324-3-0x0000000005570000-0x000000000560C000-memory.dmp

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memory/2324-8-0x0000000074D80000-0x000000007553C000-memory.dmp

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