Behavioral task
behavioral1
Sample
SOLARAV3.exe
Resource
win7-20240704-en
General
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Target
SOLARAV3.exe
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Size
3.1MB
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MD5
e7f36d061ca7ed589b64c53c49ae7652
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SHA1
6ebe935d1f6bebc21f99d1ff44295a1be31973e1
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SHA256
a85316296ba9c6594bbd38e5df013b44f455d32473a3898f45e5fb884b2e3db6
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SHA512
dac8fe917985ab0449178ed4a94c48a02806b67bdbffb701526e62c5ca69be62068a4b8cf8ee5bd177a4181f4cbdfe30158cafab8572142b55263525f0987cc9
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SSDEEP
49152:rv2I22SsaNYfdPBldt698dBcjH67XBfoGd2THHB72eh2NT:rvb22SsaNYfdPBldt6+dBcjHWXJ
Malware Config
Extracted
quasar
1.4.1
Office04
Dejvo213455-46018.portmap.host:46018
aac3bb4d-0825-430a-bb2a-fb60e2f5c422
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encryption_key
9B3B014B0F52169FE7E968CF4357D18FE5A9B729
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install_name
Mailstealer.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Mailstealer
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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 SOLARAV3.exe
Files
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SOLARAV3.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