Behavioral task
behavioral1
Sample
Electron.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
Electron.exe
Resource
win10-20231129-en
Behavioral task
behavioral3
Sample
Electron.exe
Resource
win10v2004-20231127-en
General
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Target
Electron.bin.zip
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Size
1.2MB
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MD5
5487e975d0444349e2d79f9cd66a28dd
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SHA1
c53b3f517927a12e13acd58243ec11aff8593e29
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SHA256
68ec522a65cedca986bb71fde901364ce07d4a763ed75c4d5fd96a4ea60543f9
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SHA512
f27e3eafff45bf7314b6bbef65ade202477ab3ac240dbbb03a2615a105111dfbc59362d01155848577bc2eda3694590336b3d7c5b48aaf9dc7efd8420c6964ec
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SSDEEP
24576:kMdsMCOzvL9EBG7s017VeUUa1fKwDe8lXMjo6Os/woX/4:kMdsazvL9EBAHQUUIfKKel3w7
Malware Config
Extracted
quasar
1.4.1
Office04
limehag920-33288.portmap.host:33288
9818b060-d6e3-4e48-b21e-c9ef7bc65511
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encryption_key
E97F64327412A3864CF0B0BE4A85415B949C39AD
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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 static1/unpack001/Electron.bin family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Electron.bin
Files
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Electron.bin.zip.zip
Password: infected
-
Electron.bin.exe windows:4 windows x86 arch:x86
Password: infected
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: 70KB - Virtual size: 70KB
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