Behavioral task
behavioral1
Sample
0x0008000000015fc4-8.exe
Resource
win7-20240903-en
General
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Target
0x0008000000015fc4-8.dat
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Size
3.1MB
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MD5
026407873fa1c229033246e574724e02
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SHA1
888c874808635b0b03456da413b1941c61c33686
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SHA256
4531e23ad4f6443dd3e0807007afd811ea1fc6a2a35f423e9ac98bcfc21be996
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SHA512
660db81f331c9ff47440d41d2e5062d92ad1fe2b7cc5559ba120c4908b5cd9a253c4fb1da323a1f0f1e7a5ce50d04e9020aec286e3eb399cb3ebdf1b765acc7f
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SSDEEP
49152:vvChBYjCO4Dt2d5aKCuVPzlEmVQL0wvwkaw2RJ6sbR3LoGdOiTHHB72eh2NT:vv8t2d5aKCuVPzlEmVQ0wvwfw2RJ62
Malware Config
Extracted
quasar
1.4.1
svchost 2
41.216.183.179:3742
d018acac-011d-4ca3-b0c3-4fdd7ec2d6d1
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encryption_key
0325CE0E85B5B8870BB69FE8C81088DBCBFAC6F7
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install_name
Host Process for Windows Tasks.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Host Process for Windows Tasks
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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 0x0008000000015fc4-8.dat
Files
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0x0008000000015fc4-8.dat.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