Behavioral task
behavioral1
Sample
1540-27-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1540-27-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win10v2004-20240226-en
General
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Target
1540-27-0x0000000000400000-0x0000000000724000-memory.dmp
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Size
3.1MB
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MD5
06d0e859a2eb740da6263e558644cd18
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SHA1
e544e0e7f8b415cabe52494689ab40d5749f2f81
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SHA256
57aef91d792a2d78f6ccb012d23f3f569e82f686aefebe25099f0089c4738021
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SHA512
31b3686661c6db5433f3d4afbf5ab3df2fb64cc8f83474f12560f8a2366efbedd13d788bef9f04e78bec9b08e74fede5400f654c15bce212ec0cca404bcf48d3
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SSDEEP
49152:Cvpt62XlaSFNWPjljiFa2RoUYIQJF/pBmEk/LJoGdtTHHB72eh2NT:Cvj62XlaSFNWPjljiFXRoUYIQJFe
Malware Config
Extracted
quasar
1.4.1
Slave
157.20.182.46:4782
a5764ae9-1c39-4533-95ca-a5d90dae860a
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encryption_key
BA20F732417E96C201B42F315FAD6CF773D77589
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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
Client
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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 1540-27-0x0000000000400000-0x0000000000724000-memory.dmp
Files
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1540-27-0x0000000000400000-0x0000000000724000-memory.dmp.exe windows:4 windows x86 arch:x86
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
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