Analysis
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max time kernel
24s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
01/05/2023, 05:33
Static task
static1
Behavioral task
behavioral1
Sample
update.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
update.exe
Resource
win10v2004-20230220-en
General
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Target
update.exe
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Size
1024.0MB
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MD5
266a9e038cfb90db7fa5d45282dac72d
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SHA1
6bf5ebe90c764e7d82c6c8e75c2ce3418dd923e0
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SHA256
4f67eda04defdf40355ab17ff4d72f0270f6265ad39f918ecab8a11727832e22
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SHA512
1358982cb90e763c88338c1a90c24e2b46ea7f521e4023a9a02ef5d9d1b802035808d9d055e9c0f297f33d7c099fd4e8b6fe1b5be9e0d38919a680262f8227ae
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SSDEEP
12288:84mT/RcXtvyJdBQhXVQpPDv4aloZqby13caYgd2DBAm:84C/6XtvWBmQpPTXgcaYgdCA
Malware Config
Extracted
asyncrat
0.5.7B
Default
addimq.duckdns.org:7878
addimq.duckdns.org:9909
addimq.duckdns.org:6568
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Async RAT payload 2 IoCs
resource yara_rule behavioral1/memory/1424-55-0x00000000280F0000-0x0000000028102000-memory.dmp asyncrat behavioral1/memory/1424-56-0x0000000041540000-0x00000000415C0000-memory.dmp asyncrat -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1424 update.exe
Processes
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
61KB
MD5e71c8443ae0bc2e282c73faead0a6dd3
SHA10c110c1b01e68edfacaeae64781a37b1995fa94b
SHA25695b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72
SHA512b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6
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Filesize
161KB
MD5be2bec6e8c5653136d3e72fe53c98aa3
SHA1a8182d6db17c14671c3d5766c72e58d87c0810de
SHA2561919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd
SHA5120d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff