Behavioral task
behavioral1
Sample
ModFixer.exe
Resource
win7-20240221-en
General
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Target
ModFixer.exe
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Size
3.1MB
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MD5
dbe30fa7971e0fa7ac8dc6e99af93f1b
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SHA1
d92f550a0286af3b7485d0e21d0974c7c59fe5e9
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SHA256
801d4bbd5bdd9780c9cfb969b61adb16fe20709798a01880fa8cdaf61a56f6d4
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SHA512
739e9429dc5c4f1ad118495600697778d5246965de9200666bd6c3d947fd34a77f5e3fd669033e370e82dd83d821e9ae9ee8d8d3d93ab28780c21fdbb97efb25
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SSDEEP
49152:/vKz92YpaQI6oPZlhP3ReybewoLGRJ6jbR3LoGdF8THHB72eh2NT:/v492YpaQI6oPZlhP3YybewoLGRJ6V1
Malware Config
Extracted
quasar
1.4.1
Slave
uk2.localto.net:37735
192.168.1.54:443
192.168.1.54:80
82.47.98.176:80
82.47.98.176:443
70129915-f2b5-40ef-aa85-96dbc3efa5c9
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encryption_key
76B28C3E753D8BB017093D2AA2C736559D00B442
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install_name
GorillaTag.exe
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log_directory
Steam Error Logs
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reconnect_delay
3000
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startup_key
Steam WebHelper
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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 ModFixer.exe
Files
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ModFixer.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