General
- Target AsyncClient.exe
- Size 359KB
- Sample261012-2zslpsys3r
- SHA256 431c6bf63cc9522114a51ac3b0eb211861460bc9fe488d5204e69e6d69ac712a
- MD5 5fdd1907bb5009e266639ae8087ea7c7
- SHA1 dff0d9869fe9c629da0ee7ef8f26487f1524601d
- SHA512 c458fdc5dfdb5a0e4480c56d004280b1c77393403725369627b8d0909058cdf671f3b6bfd9e9f2edb06ced68c93aff4043c1dead02acbb97fd33fbcc8c5281e0
- SSDEEP 6144:zu+zKVO3b37ut+88jU/fbdyaLpGgSbY8jrAmlsNX62NocOJyglLUv8VNkxQGguQ:zqO2t+88jU/fbdyaLpGgSbY8jrAbjodX
- TLSH T1A7743BA80BA615CFF3771839A7FAFA2D351D47B9C400EA8472312506EB53F8A5CD1798
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
AsyncClient.exe
Resource
win10v2004-20260911-en
13 signatures
40 seconds
Behavioral task
behavioral2
Sample
AsyncClient.exe
Resource
win11ltsc2024-20260911-en
6 signatures
40 seconds
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
C2
-
seds-sjsu.org:6606
-
seds-sjsu.org:7707
-
seds-sjsu.org:8808
-
seds-sjsu.org:443
-
seds-sjsu.org:80
Mutex
-
dmgNKLrQPR3a
Attributes
-
delay
3
-
install
true
-
install_file
seds-sjsu.org.exe
-
install_folder
%AppData%
aes.plain
Targets
-
- Target AsyncClient.exe
- Size 359KB
- SHA256 431c6bf63cc9522114a51ac3b0eb211861460bc9fe488d5204e69e6d69ac712a
- MD5 5fdd1907bb5009e266639ae8087ea7c7
- SHA1 dff0d9869fe9c629da0ee7ef8f26487f1524601d
- SHA512 c458fdc5dfdb5a0e4480c56d004280b1c77393403725369627b8d0909058cdf671f3b6bfd9e9f2edb06ced68c93aff4043c1dead02acbb97fd33fbcc8c5281e0
- SSDEEP 6144:zu+zKVO3b37ut+88jU/fbdyaLpGgSbY8jrAmlsNX62NocOJyglLUv8VNkxQGguQ:zqO2t+88jU/fbdyaLpGgSbY8jrAbjodX
- TLSH T1A7743BA80BA615CFF3771839A7FAFA2D351D47B9C400EA8472312506EB53F8A5CD1798
- 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
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1