Behavioral task
behavioral1
Sample
a451e748bc1e4c05bdaa722b35a5f6dd1a78765ac8967187a61b846f819c8bf6.exe
Resource
win7-20240419-en
General
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Target
3a52e34c074990eee6ed67e3237c4c9c.bin
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Size
1.2MB
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MD5
d4b991f98342b192e0aaa81ef8f92e6e
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SHA1
0a5ed09dceb56c82ef31aaee8c16465f8cfe4c3b
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SHA256
f0ee02f93d715a6dbc3f16bfe075c7617a0c69049fbae0959c3d5797d4a999a1
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SHA512
9c72c23f4aaca77e67297c0fb186b6e636bcb6c44e22ffd0013655b29237c4f626f6081797e50e591064996054ba14132651a5ea9b8f1c449be5dfb9dbd439d7
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SSDEEP
24576:isR/KnG+XDQ03KgQdr74Zs9N7r+JeoRaNxEhZ/dKlD4tk8YJVG5h3CaYQd6QdNv6:iq/KnFDQCo2s9N7XWKEhhwlWNwgNCaYJ
Malware Config
Extracted
quasar
1.4.1
Office04
94.228.166.40:4782
172a89d7-b9b2-4d82-b5ed-6beb5326f544
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encryption_key
7970C2029EDBB83E6BD65073BE18684AC9FF3F48
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install_name
KR6nDu9fLhop1bFe.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
defender.proces
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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 static1/unpack001/a451e748bc1e4c05bdaa722b35a5f6dd1a78765ac8967187a61b846f819c8bf6.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/a451e748bc1e4c05bdaa722b35a5f6dd1a78765ac8967187a61b846f819c8bf6.exe
Files
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3a52e34c074990eee6ed67e3237c4c9c.bin.zip
Password: infected
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a451e748bc1e4c05bdaa722b35a5f6dd1a78765ac8967187a61b846f819c8bf6.exe.exe windows:4 windows x86 arch:x86
Password: infected
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - 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