Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/08/2026, 05:09
Behavioral task
behavioral1
Sample
e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe
Resource
win11ltsc2024-20260709-en
General
- Target e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe
- Size 45KB
- Sample260803-ftft3aygre
- SHA256 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204
- MD5 9be1f8f67ad30ad5bd659c735a2257eb
- SHA1 5e2b0b29d68dd229872cd3972ca5bcb0f0864125
- SHA512 9a4b53c448406be7898a8012dc541725d3b9fafc9c4f6e8b41d2e1d1adbb1808cb3051800b619e9107ab4f5de0117137b41bd9cfec41a577e62dbfcfc7c5579a
- SSDEEP 768:EufspTfzcR6uWUcb+wmo2q98ITnyfaaPIIzjbBgX3iTBbMuHuEhfzeBDZsx:EufspTf2g23EhI3buXStVHuE+dsx
- TLSH T16F232B0037E9C12BF2BF4B78A9F26146467AF6637603D64A1CC4119B5713FC68A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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xcavengon.click:80
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xcavengon.click:22
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xcavengon.click:8080
-
xcavengon.click:8880
-
xcavengon.click:2052
-
xcavengon.click:2082
-
xcavengon.click:2086
-
xcavengon.click:2095
-
xcavengon.click:443
-
xcavengon.click:2053
-
xcavengon.click:2083
-
xcavengon.click:2087
-
xcavengon.click:2096
-
xcavengon.click:8443
-
www.xcavengon.click:80
-
www.xcavengon.click:22
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www.xcavengon.click:8080
-
www.xcavengon.click:8880
-
www.xcavengon.click:2052
-
www.xcavengon.click:2082
-
www.xcavengon.click:2086
-
www.xcavengon.click:2095
-
www.xcavengon.click:443
-
www.xcavengon.click:2053
-
www.xcavengon.click:2083
-
www.xcavengon.click:2087
-
www.xcavengon.click:2096
-
www.xcavengon.click:8443
-
sasser.xcavengon.click:80
-
sasser.xcavengon.click:22
-
sasser.xcavengon.click:8080
-
sasser.xcavengon.click:8880
-
sasser.xcavengon.click:2052
-
sasser.xcavengon.click:2082
-
sasser.xcavengon.click:2086
-
sasser.xcavengon.click:2095
-
sasser.xcavengon.click:443
-
sasser.xcavengon.click:2053
-
sasser.xcavengon.click:2083
-
sasser.xcavengon.click:2087
-
sasser.xcavengon.click:2096
-
sasser.xcavengon.click:8443
-
downadup.xcavengon.click:80
-
downadup.xcavengon.click:22
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downadup.xcavengon.click:8080
-
downadup.xcavengon.click:8880
-
downadup.xcavengon.click:2052
-
downadup.xcavengon.click:2082
-
downadup.xcavengon.click:2086
-
downadup.xcavengon.click:2095
-
downadup.xcavengon.click:443
-
downadup.xcavengon.click:2053
-
downadup.xcavengon.click:2083
-
downadup.xcavengon.click:2087
-
downadup.xcavengon.click:2096
-
downadup.xcavengon.click:8443
-
client.xcavengon.click:80
-
client.xcavengon.click:22
-
client.xcavengon.click:8080
-
client.xcavengon.click:8880
-
client.xcavengon.click:2052
-
client.xcavengon.click:2082
-
client.xcavengon.click:2086
-
client.xcavengon.click:2095
-
client.xcavengon.click:443
-
client.xcavengon.click:2053
-
client.xcavengon.click:2083
-
client.xcavengon.click:2087
-
client.xcavengon.click:2096
-
client.xcavengon.click:8443
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MjfAME5oAxul
-
delay
0
-
install
true
-
install_file
er0akc3.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x000300000001e6a4-8.dat family_asyncrat - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe - Executes dropped EXE 2 IoCs
pid Process 4236 er0akc3.exe 1832 er0akc3.exe - Outbound SSH connection to public host 2 TTPs 2 IoCs
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
description flow ioc pid Process SSH destination 18 172.67.189.217:22 4236 er0akc3.exe SSH destination 34 104.21.10.8:22 4236 er0akc3.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
pid Process 2616 cmd.exe 4480 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.
description ioc Process 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 er0akc3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language er0akc3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3620 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.
pid Process 3748 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe Token: SeDebugPrivilege 4236 er0akc3.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4448 wrote to memory of 2616 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 87 PID 4448 wrote to memory of 4480 4448 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe 89 PID 4480 wrote to memory of 3620 4480 cmd.exe 91 PID 2616 wrote to memory of 3748 2616 cmd.exe 92 PID 4480 wrote to memory of 1832 4480 cmd.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe"C:\Users\Admin\AppData\Local\Temp\e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "er0akc3" /tr '"C:\Users\Admin\AppData\Roaming\er0akc3.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "er0akc3" /tr '"C:\Users\Admin\AppData\Roaming\er0akc3.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3748
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9536.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3620
-
-
C:\Users\Admin\AppData\Roaming\er0akc3.exe"C:\Users\Admin\AppData\Roaming\er0akc3.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1832
-
-
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C:\Users\Admin\AppData\Roaming\er0akc3.exe"C:\Users\Admin\AppData\Roaming\er0akc3.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4236
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp9536.tmp.bat
- Size 151B
- SHA256 278c81f8b37ac15ec8128e873fd7de8265b9e1033937eeba6011cee6cbf35ab4
- MD5 e9d42e399d8629b71897a27f9b258536
- SHA1 93732ac63cb39f39b0b9ba94663acba9b2bbee3e
- SHA512 70eb0c90544f632a42cfc0b24560949403636ac2b887c85142023ec7d5b6631a481111be0492687cde773f3c7e4932d84432995b5233beb07c67a95614a9b916
- TLSH T182C08C4259C5AA0E3805542302BAE48DA162781D3F84AB10D344400D5280848E0E9381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\er0akc3.exe
- Size 45KB
- SHA256 e9d8d7f54da28fce54fe747804eae60e1d9a29fdab341759ea0313d9584db204
- MD5 9be1f8f67ad30ad5bd659c735a2257eb
- SHA1 5e2b0b29d68dd229872cd3972ca5bcb0f0864125
- SHA512 9a4b53c448406be7898a8012dc541725d3b9fafc9c4f6e8b41d2e1d1adbb1808cb3051800b619e9107ab4f5de0117137b41bd9cfec41a577e62dbfcfc7c5579a
- SSDEEP 768:EufspTfzcR6uWUcb+wmo2q98ITnyfaaPIIzjbBgX3iTBbMuHuEhfzeBDZsx:EufspTf2g23EhI3buXStVHuE+dsx
- TLSH T16F232B0037E9C12BF2BF4B78A9F26146467AF6637603D64A1CC4119B5713FC68A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH