Behavioral task
behavioral1
Sample
c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99.exe
Resource
win7-20240903-en
General
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Target
71df747a219eb7ec24e6da2599ad10fa13f9f16e486873b71ab0d40e24b05f2d
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Size
1.2MB
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MD5
39f8ec40e86c3612caa4f6188329de51
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SHA1
ac7bb56b869820e3a4f3d508da029b4ac98e39af
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SHA256
71df747a219eb7ec24e6da2599ad10fa13f9f16e486873b71ab0d40e24b05f2d
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SHA512
1787cbe13369e82dff6a93013c1041c075d1a0d25b88a11fe36fe4448fc4d751107f58de4eac50f8ffce754f87cf6ff2b1f17efe6a1f84ce903aff32dd1898d0
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SSDEEP
24576:RvfhL9IXpZsY/sWLM2NkQgxlxctdLNhYjIQcLaPrG091nSODfnrdFC+FvfDu:lhBOZsliJKQgVqdJhgfdrNjSODnZMKfC
Malware Config
Extracted
quasar
1.4.1
Long Leg
twart.myfirewall.org:9792
0235e291-5d04-4fa3-932c-869aeec51499
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encryption_key
3145298725BA5E0DD56E87FFE3F8898EA81E6EDA
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install_name
workbook.exe
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log_directory
Logs
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reconnect_delay
6000
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startup_key
workbook
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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/c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99.exe
Files
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71df747a219eb7ec24e6da2599ad10fa13f9f16e486873b71ab0d40e24b05f2d.zip
Password: infected
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c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99.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