Behavioral task
behavioral1
Sample
adc4c01dc28064c32c6b451a9c7d82001b21c9f58022a78dfbcbd8a36291aee1.exe
Resource
win7-20240903-en
General
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Target
adc4c01dc28064c32c6b451a9c7d82001b21c9f58022a78dfbcbd8a36291aee1
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Size
3.1MB
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MD5
218b79ebe7679fa1beab775ca7e49c4b
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SHA1
2d08ac223c07b13e93e6f8e2d73d3b7b08f4b54f
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SHA256
adc4c01dc28064c32c6b451a9c7d82001b21c9f58022a78dfbcbd8a36291aee1
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SHA512
8e92fef65245e770a66d849c14bc344ff7231c68cb5e31e2ad6c5f1a7bfa85d4db89e426a2fdb22d9fead1563c9352693cbbeaecfe3252ad777ca9e035f15002
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SSDEEP
49152:3vbI22SsaNYfdPBldt698dBcjHcxDE/glk/JxjoGdeTHHB72eh2NT:3vk22SsaNYfdPBldt6+dBcjHcxKF
Malware Config
Extracted
quasar
1.4.1
Office04
127.0.0.0.1:4782
89f58ee5-7af9-42de-843f-2a331a641e3f
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encryption_key
CD4F349DEB46AEE10C2FE886E5B2BD7A766723CE
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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 adc4c01dc28064c32c6b451a9c7d82001b21c9f58022a78dfbcbd8a36291aee1
Files
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adc4c01dc28064c32c6b451a9c7d82001b21c9f58022a78dfbcbd8a36291aee1.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