Behavioral task
behavioral1
Sample
abe23d8d73061f09f6c66acb1fba3fc7f952a8f57f583acfd2c6a5480aed8d62.exe
Resource
win7-20240221-en
General
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Target
16f3ac9a4ca5183fec9a3a21fd3488e1.bin
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Size
180KB
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MD5
a8f74e98b42a635235f6def098824710
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SHA1
8d80075e98bb9e18db944eba3195ed1a91ce02be
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SHA256
f8e44fe99eff5e540cfa97b80297ffad86e0a41706078909c05eee9f4656b46c
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SHA512
e179d2f3cb02c23d80b9058fc5a5e719a164eef1087962f2b18103a55401d7fec0ff6ce3767b1ee7aa6b270e5aac9b9442a1bc599ee505a0c5ce7d5e147c65c4
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SSDEEP
3072:Ze8+WGGWmSocbg2xJQGv+qhKskcAvvl/+OL5e6uMisGtEvqeOUy0RHBvI4x94:ZhpqmS1blJZ5hKFvl/+OwFF0dG4x94
Malware Config
Extracted
quasar
1.3.0.0
Office04
39.105.31.193:50050
QSR_MUTEX_H0vcBfjQRUzioI2ltj
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encryption_key
SAA4yJPZ67wykJkTFy3u
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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 static1/unpack001/abe23d8d73061f09f6c66acb1fba3fc7f952a8f57f583acfd2c6a5480aed8d62.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/abe23d8d73061f09f6c66acb1fba3fc7f952a8f57f583acfd2c6a5480aed8d62.exe
Files
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16f3ac9a4ca5183fec9a3a21fd3488e1.bin.zip
Password: infected
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abe23d8d73061f09f6c66acb1fba3fc7f952a8f57f583acfd2c6a5480aed8d62.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: 345KB - Virtual size: 344KB
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