Behavioral task
behavioral1
Sample
41b6ef73bf31522453fc3550a529e9400c115cdc1a0aaba94e085694524cc5f5.exe
Resource
win7-20240903-en
General
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Target
41b6ef73bf31522453fc3550a529e9400c115cdc1a0aaba94e085694524cc5f5.exe
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Size
3.1MB
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MD5
62c7975abd55070b185e65d7521d7162
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SHA1
8daec05ff1984ad1e7f2607f72a9092829ca7ea9
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SHA256
41b6ef73bf31522453fc3550a529e9400c115cdc1a0aaba94e085694524cc5f5
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SHA512
615ce6e32d1cae56890562b60d0803896054c5f3b9b05f812d6ac34435a3ad97c58d0d66ef5301341a16009485aef4253826cd492158d95adceecfc9079ed9db
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SSDEEP
49152:rvbI22SsaNYfdPBldt698dBcjHyVxNESEnk/i1LoGdCTHHB72eh2NT4:rvk22SsaNYfdPBldt6+dBcjHkx+N8
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.219.111:4782
49d787b3-0fea-4746-8e18-a33027a94e42
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encryption_key
BD5280C2874A956B96E6A92745A817A564CC5CE5
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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
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 41b6ef73bf31522453fc3550a529e9400c115cdc1a0aaba94e085694524cc5f5.exe
Files
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41b6ef73bf31522453fc3550a529e9400c115cdc1a0aaba94e085694524cc5f5.exe.exe windows:4 windows x86 arch:x86
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