Behavioral task
behavioral1
Sample
seksiak.exe
Resource
win7-20240903-en
General
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Target
seksiak.exe
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Size
3.1MB
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MD5
239c5f964b458a0a935a4b42d74bcbda
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SHA1
7a037d3bd8817adf6e58734b08e807a84083f0ce
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SHA256
7809ab9c004fbd18f185c7b54554440d7b31f201980aee6e0c62a97c0e4a984c
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SHA512
2e9e95d5097ce751d2a641a8fc7f8bc824a525a07bc06cd8a60580405fad90543ffa3259e6b2b2e97a70a3c3ed03e73b29f7cb9ebd10e7c62eaef2078805be19
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SSDEEP
98304:mWV5SgjlbwPdRl5fGO4ZL0luiel9uRJk3HZ2b/aryTnrfvnM3A2Ozvhk:JTQzG
Malware Config
Extracted
quasar
1.4.1
ZJEB
VIPEEK1990-25013.portmap.host:25013
ad21b115-2c1b-40cb-adba-a50736b76c21
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encryption_key
3EBA8BC34FA983893A9B07B831E7CEB183F7492D
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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
Windows Security Service
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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 seksiak.exe
Files
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seksiak.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