asyncrat | c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 17:33

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General

Target
c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
Size 45KB
Sample260804-v5cn4stvav
SHA256 c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801
MD5 61fda0608036c38258f614acedcf4a24
SHA1 1f5742f810fc3e914392f38b07f4e565e6daa241
SHA512 7a126ddbe3f0a90a2c600626fa72bc58bc503aa8e1d0255cb8a136e6194d48dd59132625d707b643ffe0daefe8440fe06b3d200e0dc14bd772982658ae36997a
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1opt0CCM+d4CvS8PIkI8jbygX3iAnJdy8djPPBvoQH:wuZ8pT1tc2x/CFWBkIMb1XSAnJd1djRv
TLSH
T157232A0037E9812BF2BE4F7498F26145467BF6633603D6891CC441DB5A13FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexybeam.me:80
sexybeam.me:22
sexybeam.me:8080
sexybeam.me:8880
sexybeam.me:2052
sexybeam.me:2082
sexybeam.me:2086
sexybeam.me:2095
sexybeam.me:443
sexybeam.me:2053
sexybeam.me:2083
sexybeam.me:2087
sexybeam.me:2096
sexybeam.me:8443
www.sexybeam.me:80
www.sexybeam.me:22
www.sexybeam.me:8080
www.sexybeam.me:8880
www.sexybeam.me:2052
www.sexybeam.me:2082
www.sexybeam.me:2086
www.sexybeam.me:2095
www.sexybeam.me:443
www.sexybeam.me:2053
www.sexybeam.me:2083
www.sexybeam.me:2087
www.sexybeam.me:2096
www.sexybeam.me:8443
notpetya.sexybeam.me:80
notpetya.sexybeam.me:22
notpetya.sexybeam.me:8080
notpetya.sexybeam.me:8880
notpetya.sexybeam.me:2052
notpetya.sexybeam.me:2082
notpetya.sexybeam.me:2086
notpetya.sexybeam.me:2095
notpetya.sexybeam.me:443
notpetya.sexybeam.me:2053
notpetya.sexybeam.me:2083
notpetya.sexybeam.me:2087
notpetya.sexybeam.me:2096
notpetya.sexybeam.me:8443
darkside.sexybeam.me:80
darkside.sexybeam.me:22
darkside.sexybeam.me:8080
darkside.sexybeam.me:8880
darkside.sexybeam.me:2052
darkside.sexybeam.me:2082
darkside.sexybeam.me:2086
darkside.sexybeam.me:2095
darkside.sexybeam.me:443
darkside.sexybeam.me:2053
darkside.sexybeam.me:2083
darkside.sexybeam.me:2087
darkside.sexybeam.me:2096
darkside.sexybeam.me:8443

Mutex

cCrLhukMuA1T

Attributes

delay
0
install
true
install_file
mj0c.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/0x000d00000001c54f-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5736	mj0c.exe
4384	mj0c.exe

Outbound SSH connection to public host 2 TTPs 3 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	2	103.131.57.45:22
SSH destination	5	103.131.57.45:22
SSH destination	8	103.131.57.45:22

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
3152	cmd.exe
3500	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	mj0c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mj0c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4888	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
2132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
Token: SeDebugPrivilege	5736	mj0c.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5540 wrote to memory of 3152	5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe	89
PID 5540 wrote to memory of 3500	5540	c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe	91
PID 3152 wrote to memory of 2132	3152	cmd.exe	93
PID 3500 wrote to memory of 4888	3500	cmd.exe	94
PID 3500 wrote to memory of 4384	3500	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe
"C:\Users\Admin\AppData\Local\Temp\c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mj0c" /tr '"C:\Users\Admin\AppData\Roaming\mj0c.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3152
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "mj0c" /tr '"C:\Users\Admin\AppData\Roaming\mj0c.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2132
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp58A5.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3500
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4888
- - C:\Users\Admin\AppData\Roaming\mj0c.exe
    "C:\Users\Admin\AppData\Roaming\mj0c.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4384

C:\Users\Admin\AppData\Roaming\mj0c.exe
"C:\Users\Admin\AppData\Roaming\mj0c.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5736

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5816

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

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmp58A5.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp58A5.tmp.bat
Size 148B
SHA256 402f44475b8cf047c818c0a227355c62f41a988285119aa06a24909b609fac9b
MD5 da860e09f7b92e49c605c362fd757af8
SHA1 64ce497cab521c4a5987eeaf638ab692e2601e03
SHA512 f1405446f49593137b4c7869de4ef2442a2a4409c9a0822cc73e613ec0d3a66109ee3a7b6bf2a757a1193780c85a2dc7b9a9f35d637ca160c9bf6b30f5aac8f2
TLSH
T17EC08C4252C6AA8E6809246302BA998CE1726CAE3E40AB009304400E1280489F499381
MD5 SHA1 SHA512 TLSH

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mj0c.exe

Path C:\Users\Admin\AppData\Roaming\mj0c.exe
Size 45KB
SHA256 c07e58c2c4a221d540974e5438fe791846129bb5e056bb0f92cfccda44a42801
MD5 61fda0608036c38258f614acedcf4a24
SHA1 1f5742f810fc3e914392f38b07f4e565e6daa241
SHA512 7a126ddbe3f0a90a2c600626fa72bc58bc503aa8e1d0255cb8a136e6194d48dd59132625d707b643ffe0daefe8440fe06b3d200e0dc14bd772982658ae36997a
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1opt0CCM+d4CvS8PIkI8jbygX3iAnJdy8djPPBvoQH:wuZ8pT1tc2x/CFWBkIMb1XSAnJd1djRv
TLSH
T157232A0037E9812BF2BE4F7498F26145467BF6633603D6891CC441DB5A13FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/5540-0-0x0000000074652000-0x0000000074653000-memory.dmp

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memory/5540-1-0x0000000000B40000-0x0000000000B52000-memory.dmp

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memory/5540-2-0x0000000074640000-0x0000000074DFC000-memory.dmp

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memory/5540-3-0x0000000005540000-0x00000000055DC000-memory.dmp

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memory/5540-8-0x0000000074640000-0x0000000074DFC000-memory.dmp

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memory/5736-12-0x0000000074450000-0x0000000074C0C000-memory.dmp

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memory/5736-14-0x0000000074450000-0x0000000074C0C000-memory.dmp

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