General
- Target 61f13ec1d9d3c6f10e46f1e50dca08e12b178cc75493d78c8a99536ccd646e11
- Size 45KB
- Sample260804-yprd4sw1hs
- SHA256 61f13ec1d9d3c6f10e46f1e50dca08e12b178cc75493d78c8a99536ccd646e11
- MD5 62c839470b6781fe7d844344afd288a2
- SHA1 4bf6e02495c6c359795dc0173c43234019363b4d
- SHA512 70fec633b4022e16a06e179eea4cc11928db991aed3d566c3d659cc9c0e6f5080daa2e3ee82f15d28834955c1b2355e44c20726bdf424bdb96fb205cfae49ba3
- SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9rZbtDMQPI8CjbVgX3i89NzRBDZ8x:0u1YJTHcw2EJk8ObyXSUzvd8x
- TLSH T1F9231C0037E8812BF2BE5F78A8F26245867AF5673603D54E2CC441DB5623FC69A426FD
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
61f13ec1d9d3c6f10e46f1e50dca08e12b178cc75493d78c8a99536ccd646e11.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
61f13ec1d9d3c6f10e46f1e50dca08e12b178cc75493d78c8a99536ccd646e11.exe
Resource
win11ltsc2024-20260710-en
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
bulon69.com:80
-
bulon69.com:22
-
bulon69.com:8080
-
bulon69.com:8880
-
bulon69.com:2052
-
bulon69.com:2082
-
bulon69.com:2086
-
bulon69.com:2095
-
bulon69.com:443
-
bulon69.com:2053
-
bulon69.com:2083
-
bulon69.com:2087
-
bulon69.com:2096
-
bulon69.com:8443
-
www.bulon69.com:80
-
www.bulon69.com:22
-
www.bulon69.com:8080
-
www.bulon69.com:8880
-
www.bulon69.com:2052
-
www.bulon69.com:2082
-
www.bulon69.com:2086
-
www.bulon69.com:2095
-
www.bulon69.com:443
-
www.bulon69.com:2053
-
www.bulon69.com:2083
-
www.bulon69.com:2087
-
www.bulon69.com:2096
-
www.bulon69.com:8443
-
klez.bulon69.com:80
-
klez.bulon69.com:22
-
klez.bulon69.com:8080
-
klez.bulon69.com:8880
-
klez.bulon69.com:2052
-
klez.bulon69.com:2082
-
klez.bulon69.com:2086
-
klez.bulon69.com:2095
-
klez.bulon69.com:443
-
klez.bulon69.com:2053
-
klez.bulon69.com:2083
-
klez.bulon69.com:2087
-
klez.bulon69.com:2096
-
klez.bulon69.com:8443
-
malware.bulon69.com:80
-
malware.bulon69.com:22
-
malware.bulon69.com:8080
-
malware.bulon69.com:8880
-
malware.bulon69.com:2052
-
malware.bulon69.com:2082
-
malware.bulon69.com:2086
-
malware.bulon69.com:2095
-
malware.bulon69.com:443
-
malware.bulon69.com:2053
-
malware.bulon69.com:2083
-
malware.bulon69.com:2087
-
malware.bulon69.com:2096
-
malware.bulon69.com:8443
-
ryuk.bulon69.com:80
-
ryuk.bulon69.com:22
-
ryuk.bulon69.com:8080
-
ryuk.bulon69.com:8880
-
ryuk.bulon69.com:2052
-
ryuk.bulon69.com:2082
-
ryuk.bulon69.com:2086
-
ryuk.bulon69.com:2095
-
ryuk.bulon69.com:443
-
ryuk.bulon69.com:2053
-
ryuk.bulon69.com:2083
-
ryuk.bulon69.com:2087
-
ryuk.bulon69.com:2096
-
ryuk.bulon69.com:8443
-
xZIQFisbJSC7
-
delay
0
-
install
true
-
install_file
yn5yrd.exe
-
install_folder
%AppData%
Targets
-
- Target 61f13ec1d9d3c6f10e46f1e50dca08e12b178cc75493d78c8a99536ccd646e11
- Size 45KB
- SHA256 61f13ec1d9d3c6f10e46f1e50dca08e12b178cc75493d78c8a99536ccd646e11
- MD5 62c839470b6781fe7d844344afd288a2
- SHA1 4bf6e02495c6c359795dc0173c43234019363b4d
- SHA512 70fec633b4022e16a06e179eea4cc11928db991aed3d566c3d659cc9c0e6f5080daa2e3ee82f15d28834955c1b2355e44c20726bdf424bdb96fb205cfae49ba3
- SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9rZbtDMQPI8CjbVgX3i89NzRBDZ8x:0u1YJTHcw2EJk8ObyXSUzvd8x
- TLSH T1F9231C0037E8812BF2BE5F78A8F26245867AF5673603D54E2CC441DB5623FC69A426FD
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Async RAT payload
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Outbound SSH connection to public host
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1