General
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Target
mma.exe
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Size
348KB
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MD5
21d89176dc6d560715772888a5fb08a4
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SHA1
1bd93e53417d6308a6fec9777d4929790a6f622f
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SHA256
20a8d1063f53e2ea4d526e25fd7fc0bb8f0540a2617cb35dba775bb169fea796
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SHA512
c26a9b79f66cccdff21d4083540301add273d9ad454f2ae90f09a78bd3823536524aaf32d9d4ff7d6c108e51c1eea0c3e2dbb74aca9bd3e8b404976a94eb8f13
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SSDEEP
6144:GlEHwNHJsa2lXY9mPwb3UFziLh3wA96mBwr7Zuf/p:yxpsayXY9m8yk6/mBwr7Z6/p
Malware Config
Extracted
quasar
1.3.0.0
CLIENT
nortfbihell-59380.portmap.host:59380
QSR_MUTEX_dZJkIA0eqkSfSt2Afw
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encryption_key
YGld1lOR48Q7P5T57rWH
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install_name
dllhost.exe
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log_directory
dllhosting
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reconnect_delay
3000
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startup_key
dllhost.exe
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subdirectory
dllhost
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 mma.exe
Files
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mma.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 345KB - 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