Behavioral task
behavioral1
Sample
a2b66f9f80d2add5e7b13f9e75b6c964e53d7aa2e52065b469b83f7e7c31fa7c.exe
Resource
win10v2004-20240426-en
General
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Target
a2b66f9f80d2add5e7b13f9e75b6c964e53d7aa2e52065b469b83f7e7c31fa7c
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Size
3.1MB
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MD5
e0537c132607a98cb4133bb066a74db2
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SHA1
6a9b6335b9f091e0480fc7167b4d7304677ce08b
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SHA256
a2b66f9f80d2add5e7b13f9e75b6c964e53d7aa2e52065b469b83f7e7c31fa7c
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SHA512
eb4550090c17c2379455475f91fc637769ab72754fb30f1dd2228a0f18bec86e3eca46cee9f1201cfc3be8314b153633f22cced3cc2467d90d6b3b9d3e7bf65b
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SSDEEP
49152:6vxt62XlaSFNWPjljiFa2RoUYIaPRJ6LbR3LoGdATHHB72eh2NT:6v762XlaSFNWPjljiFXRoUYIaPRJ6d
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.10.193:4455
71f9480f-0626-42cf-aad4-d6f84c1c5e58
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encryption_key
C030D8F7F18781EB62BC0CFFC3F2B361D2649603
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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
QClient
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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 a2b66f9f80d2add5e7b13f9e75b6c964e53d7aa2e52065b469b83f7e7c31fa7c
Files
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a2b66f9f80d2add5e7b13f9e75b6c964e53d7aa2e52065b469b83f7e7c31fa7c.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