Behavioral task
behavioral1
Sample
Client-built6test.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Client-built6test.exe
Resource
win10v2004-20240802-en
General
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Target
Client-built6test.exe
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Size
3.1MB
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MD5
3d0ac3ec8318d51449ca20014e27e6db
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SHA1
a4bf696ff20feea96aa595fa46264fdab0186deb
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SHA256
b1c92822d16d35d23b49c7920a327ac84109a9906ea85b566b17c99851a8800d
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SHA512
808d61ee7f31832e7656f49158a0796612872828ca9192502f8d810fb4dce28761f4a3fc5ac164b2d20e94353d31fc74c9569544746408bf1382ba650070f467
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SSDEEP
49152:OhF8mSA28qaZwpMPfl6/NK7xVcXbXxUEuMzTXV1tLfioGd24yVCKaGv2LkmNK:Oh2mF28qaZwpMPfl6lK7xOjqG4y
Malware Config
Extracted
quasar
1.4.1
Office04
incrediblew32-41135.portmap.host:41135
e35e216e-411f-4600-b7d4-1b7e001ce1e6
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encryption_key
512BCCA0CE12E096E92A15ECCE78FFB787D7E9B2
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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
win73
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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 Client-built6test.exe
Files
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Client-built6test.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