Analysis
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max time kernel
395s -
max time network
593s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
01/05/2023, 13:06
Static task
static1
Behavioral task
behavioral1
Sample
update.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
update.exe
Resource
win7-20230220-en
Behavioral task
behavioral3
Sample
update.exe
Resource
win10v2004-20230220-en
General
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Target
update.exe
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Size
969KB
-
MD5
ef0ec9b3bf2edc84d23f92a16b6a8a67
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SHA1
8e4d871940df560a85332bfacac0b9766f865b9f
-
SHA256
bbcfc7c262a04ae7291c4a1ea80253aaea3968a3c95d2b73b47016c298a7e281
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SHA512
31c3a9360c6dad1cc7b6db0626d5d9ffcf457592fb5b04f9d0f986ef15793ab9f3a2371e013fb6c666d4d9d9de3d68d01bab417059ded2efea0dc2b80cb88005
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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
-
install
false
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install_folder
%AppData%
Signatures
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Async RAT payload 2 IoCs
resource yara_rule behavioral2/memory/1948-55-0x0000000001FE0000-0x0000000001FF2000-memory.dmp asyncrat behavioral2/memory/1948-56-0x0000000041670000-0x00000000416F0000-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 1948 update.exe
Processes
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
62KB
MD53ac860860707baaf32469fa7cc7c0192
SHA1c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c
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Filesize
164KB
MD54ff65ad929cd9a367680e0e5b1c08166
SHA1c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27