Behavioral task
behavioral1
Sample
taskhosts-cleaned.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
taskhosts-cleaned.exe
Resource
win10v2004-20230621-en
General
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Target
taskhosts-cleaned.exe
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Size
385KB
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MD5
6e5babe25aad66144dd2e15ab97bd38b
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SHA1
61d589a0814a1ef9a0b1a06454f9761fe81ddbff
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SHA256
fbbb647aeb0707b5897f74bc3616b275406c6fce1ac0409a6f582fdfcc2de147
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SHA512
6547309b05f1ffec63c5ea9c92bb536d37ca1b7104df936324ba19dfb53dff0aa9135f3a9bd4aa0ae46a210048db9b5694424e00bd47e2cb2ab63df5a4f52896
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SSDEEP
6144:F8jlR5z3XxhxrL8rK/A0j1/zTzTLNozbLRpw34urkR10efUK0:FMlHzHxhV/Aqipw3XQztfK
Malware Config
Extracted
quasar
1.4.0.0
Down
simplmizer.duckdns.org:1337
rhoc35VS3mkrMtkPb1
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encryption_key
AN1JmoUwwzfA1Metx4Ze
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install_name
taskhost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
EdgeBrowser
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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 taskhosts-cleaned.exe
Files
-
taskhosts-cleaned.exe.exe windows 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: 299KB - Virtual size: 298KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 85KB - Virtual size: 85KB
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