Behavioral task
behavioral1
Sample
bKJ7.exe
Resource
win7-20230220-en
General
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Target
bKJ7.exe
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Size
348KB
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MD5
7f515d05fb17932adbbcbd0c2aba18f1
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SHA1
9220c765e0dd0e7fa30af6823f3f382ef12a5dde
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SHA256
39dd5339fa37de30a494a9995744facb01ed2ed446d8c2041d4817000ee8f357
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SHA512
73e627f18d47eaa94151b40a4c3977985faef9196f78a070f22b1df61c5d849f549d81c1c57b48e17bb5b7544e650b21000aab307d8235f2f0486e2174a1d8f2
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SSDEEP
6144:kg6bPXhLApfpvKhECGiwru41w8wbfb3EA+6sq5FLT4rN6:9mhApdKhEC8SOw8aQRCFLTo6
Malware Config
Extracted
quasar
1.3.0.0
Office04
myhost88.ddns.net:4782
QSR_MUTEX_kTcfswfSj43R2vlOKd
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encryption_key
QnUpxbEUVKL7JTeQ1Sc5
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install_name
ms configs.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
ms configs
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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
Files
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bKJ7.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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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