Behavioral task
behavioral1
Sample
Update.exe
Resource
win7-20240903-en
General
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Target
Update.exe
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Size
413KB
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MD5
1646711c224bff90075c63e282c7a509
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SHA1
dcb31c89ea750a0c7f201f0b35ec886d7f56b485
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SHA256
b11faba7760b0fdb433ab416944a6c420db27216981aee61749f44bb51e61cb8
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SHA512
826a1cf500ae1802bf55e5e73525e6a7c14a9e788c8e779291675b47e0a18424e49e369e39d3861b0e8491d230b5019c8db38632ee16f78a27fa8929c9d007df
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SSDEEP
6144:aNmEjkzQT1TVNVSSL+4LuTWhDW3+y4WbjHSKr1MkP+7ZKvxueoLqGGe:i1TVV7ScaYS3vrHSKr1M85vxueoLlGe
Malware Config
Extracted
quasar
3.1.5
Office04
late-mills.gl.at.ply.gg:21882
$Sxr-H1UAIiBrogH7Kydvmf
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encryption_key
65yyFHEhMNxs2L9wZOfw
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
SeroXen Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Update.exe
Files
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Update.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 409KB - Virtual size: 409KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ