Behavioral task
behavioral1
Sample
Microsoft Gaming Helper.exe
Resource
win7-20231215-en
General
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Target
Microsoft Gaming Helper.exe
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Size
3.1MB
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MD5
1f4df8c89189221420cd89ea0bdcf753
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SHA1
30d7c89bd5d28870a5f6c25749ef2bb7b797de72
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SHA256
b3573e1e395f30ce38648d8c9d5714ad35b0bcb93dbeabb1954e14b0199ca4d7
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SHA512
4c7a66f7b5dff06328f6e737994e29dbec32931d9974c560d0867f67aef3a0c4f3a475f68d5299039bcde8528312611af18a654be34e6378a37d24e659be8ee1
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SSDEEP
49152:3vbI22SsaNYfdPBldt698dBcjHwJRJ6/bR3LoGdJQ1THHB72eh2NT:3vk22SsaNYfdPBldt6+dBcjHwJRJ6RW
Malware Config
Extracted
quasar
1.4.1
Enayi
192.168.0.7:4782
cfb088c2-8243-4e30-af47-82a5b5bebf06
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encryption_key
7AD862AAD94BE9C6EAA16CA4328915D7905AA3B4
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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
Quasar Client Startup
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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 Microsoft Gaming Helper.exe
Files
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Microsoft Gaming Helper.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