Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2023 17:30
Behavioral task
behavioral1
Sample
x3NwbDeSEJhx.exe
Resource
win7-20231130-en
General
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Target
x3NwbDeSEJhx.exe
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Size
47KB
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MD5
b8de60b0604826596aa8cf5a3e127b97
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SHA1
186ef2511fa3ee1c962930be0b4e434ef8e48c13
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SHA256
779468167b7fb6ae608f098d8460a0c6f7a825e088fe60ed31ea4f9e8e664f00
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SHA512
eceea17a36963302bf411e2f019866dd767a6c48c31fabc9fdff2523c175812033fc13455584829a54486973a6e649173c30b7dcec1085431bd6f3d535b92c4a
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SSDEEP
768:4q+s3pUtDILNCCa+DiptelDSN+iV08YbygeSQg/yzS+dUZ1vEgK/JvZVc6KN:4q+AGtQOptKDs4zb1EuyzS+dknkJvZVS
Malware Config
Extracted
asyncrat
1.0.7
Default
diciembre12.duckdns.org:1984
DcRatMutex_qwqdanchun
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delay
1
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install
false
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install_folder
%AppData%
Signatures
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Async RAT payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4280-0-0x0000000000630000-0x0000000000642000-memory.dmp asyncrat behavioral2/memory/4280-7-0x000000001D6D0000-0x000000001D734000-memory.dmp asyncrat -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2312 timeout.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
x3NwbDeSEJhx.exedescription pid process Token: SeDebugPrivilege 4280 x3NwbDeSEJhx.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
x3NwbDeSEJhx.execmd.exedescription pid process target process PID 4280 wrote to memory of 2068 4280 x3NwbDeSEJhx.exe cmd.exe PID 4280 wrote to memory of 2068 4280 x3NwbDeSEJhx.exe cmd.exe PID 2068 wrote to memory of 2312 2068 cmd.exe timeout.exe PID 2068 wrote to memory of 2312 2068 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\x3NwbDeSEJhx.exe"C:\Users\Admin\AppData\Local\Temp\x3NwbDeSEJhx.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3A26.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp3A26.tmp.batFilesize
164B
MD536e322a2f9f3fee0e95ac2fe09be2765
SHA1b39d34b57420c9380f63ea13d658a3856a68b245
SHA25672f151e2a62d004ab0a935310e55d9a8ccb07495ab5e511a74a4f98557be3b0b
SHA5121054d76c0c81470995d2942c887a2d3ba861272765f528bcff25dda2168476ad8164d0aa1a00cb034a904cd02ff8786209492d9fcd95d794cf8e792282202439
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memory/4280-0-0x0000000000630000-0x0000000000642000-memory.dmpFilesize
72KB
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memory/4280-1-0x00007FF8C5280000-0x00007FF8C5D41000-memory.dmpFilesize
10.8MB
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memory/4280-2-0x000000001B2D0000-0x000000001B2E0000-memory.dmpFilesize
64KB
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memory/4280-5-0x00007FF8CE6A0000-0x00007FF8CE6B9000-memory.dmpFilesize
100KB
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memory/4280-6-0x000000001D750000-0x000000001D7C6000-memory.dmpFilesize
472KB
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memory/4280-7-0x000000001D6D0000-0x000000001D734000-memory.dmpFilesize
400KB
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memory/4280-8-0x000000001D7D0000-0x000000001D7EE000-memory.dmpFilesize
120KB
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memory/4280-13-0x00007FF8C5280000-0x00007FF8C5D41000-memory.dmpFilesize
10.8MB
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memory/4280-14-0x00007FF8CE6A0000-0x00007FF8CE6B9000-memory.dmpFilesize
100KB