Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
24/01/2024, 04:08
Behavioral task
behavioral1
Sample
6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe
Resource
win7-20231215-en
General
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Target
6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe
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Size
63KB
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MD5
e40435c6df1a16aad70fcb8582228bc3
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SHA1
8d5a1a1213b6680cfe3cb59aa0383ae8a91d5141
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SHA256
6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd
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SHA512
f7e33a06735e0297c06d3875010bc065471ce44ff86466cdf36c7773f4c3b1e9aef96c00efbf162976f695e50f06e7729f995a63a9de6335e0dcb36e7a19da2b
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SSDEEP
1536:UJ/t/dSJYUbdh9IM1b+uFg6CinpqKmY7:U3/YYUbd3Zg6Ci0z
Malware Config
Extracted
asyncrat
Default
127.0.0.1:3232
吾吾owlΒiH1XNبmש吉E迪yاqCX
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delay
1
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install
true
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install_file
GoogleChromeUpd.exe
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install_folder
%AppData%
Signatures
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Async RAT payload 3 IoCs
resource yara_rule behavioral1/memory/1944-0-0x0000000000C30000-0x0000000000C46000-memory.dmp asyncrat behavioral1/files/0x000c0000000122d5-17.dat asyncrat behavioral1/memory/2628-18-0x0000000000FE0000-0x0000000000FF6000-memory.dmp asyncrat -
Executes dropped EXE 1 IoCs
pid Process 2628 GoogleChromeUpd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2860 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2608 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe 2628 GoogleChromeUpd.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe Token: SeDebugPrivilege 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe Token: SeDebugPrivilege 2628 GoogleChromeUpd.exe Token: SeDebugPrivilege 2628 GoogleChromeUpd.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1944 wrote to memory of 2688 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 29 PID 1944 wrote to memory of 2688 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 29 PID 1944 wrote to memory of 2688 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 29 PID 1944 wrote to memory of 3052 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 30 PID 1944 wrote to memory of 3052 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 30 PID 1944 wrote to memory of 3052 1944 6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe 30 PID 2688 wrote to memory of 2860 2688 cmd.exe 34 PID 2688 wrote to memory of 2860 2688 cmd.exe 34 PID 2688 wrote to memory of 2860 2688 cmd.exe 34 PID 3052 wrote to memory of 2608 3052 cmd.exe 33 PID 3052 wrote to memory of 2608 3052 cmd.exe 33 PID 3052 wrote to memory of 2608 3052 cmd.exe 33 PID 3052 wrote to memory of 2628 3052 cmd.exe 35 PID 3052 wrote to memory of 2628 3052 cmd.exe 35 PID 3052 wrote to memory of 2628 3052 cmd.exe 35 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe"C:\Users\Admin\AppData\Local\Temp\6148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "GoogleChromeUpd" /tr '"C:\Users\Admin\AppData\Roaming\GoogleChromeUpd.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "GoogleChromeUpd" /tr '"C:\Users\Admin\AppData\Roaming\GoogleChromeUpd.exe"'3⤵
- Creates scheduled task(s)
PID:2860
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp4395.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2608
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C:\Users\Admin\AppData\Roaming\GoogleChromeUpd.exe"C:\Users\Admin\AppData\Roaming\GoogleChromeUpd.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
159B
MD5db4492cffbb04cce4bf104d2660167e1
SHA1ae7dfa3cbd9cf23ea354f0428d9bc02d325d6284
SHA256413161824afe9b928ab95d5596ef2c781c609bad47f90fbf97b98a34b9425bbb
SHA512c00d7801d44aadbb2bdac5f0ff1c3089df0ff70598b7748c07b73809b7a6860dab1169a03623f9bd97253029d5c488bc6c908ad60b41a936bfa4a4e3b014bd58
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Filesize
63KB
MD5e40435c6df1a16aad70fcb8582228bc3
SHA18d5a1a1213b6680cfe3cb59aa0383ae8a91d5141
SHA2566148afd882ab17b41c7e5d92569d55426ef18bec0c45335529ca66c0ae19efdd
SHA512f7e33a06735e0297c06d3875010bc065471ce44ff86466cdf36c7773f4c3b1e9aef96c00efbf162976f695e50f06e7729f995a63a9de6335e0dcb36e7a19da2b