Behavioral task
behavioral1
Sample
1df46d513e053da3765c3b5572fda399872f69f734a8eaf9345948a6331eefa1.exe
Resource
win7-20240903-en
General
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Target
1df46d513e053da3765c3b5572fda399872f69f734a8eaf9345948a6331eefa1.exe
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Size
3.1MB
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MD5
7aa529f2db5a30ed1b868c90e872ec57
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SHA1
f384f3c375411eea2c72cdc15c6252102535656a
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SHA256
1df46d513e053da3765c3b5572fda399872f69f734a8eaf9345948a6331eefa1
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SHA512
404f3ba56677f362129b8352f0585e13f86e8f6a6570ca1deaed9551f01fea43b523d0318e314d5d99b371a2c44ac8ed9a4dae19788b10df325147b17d0a2120
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SSDEEP
49152:avht62XlaSFNWPjljiFa2RoUYIb3RJ6PbR3LoGdarTHHB72eh2NT:avL62XlaSFNWPjljiFXRoUYIb3RJ6h
Malware Config
Extracted
quasar
1.4.1
Office04
0.tcp.us-cal-1.ngrok.io:15579
11bbf22e-826e-486b-b024-adbd86228a9e
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encryption_key
7A589EDBC6A581E125BF830EF0D05FC74BB75E30
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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
ctfmon
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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 1df46d513e053da3765c3b5572fda399872f69f734a8eaf9345948a6331eefa1.exe
Files
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1df46d513e053da3765c3b5572fda399872f69f734a8eaf9345948a6331eefa1.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