Behavioral task
behavioral1
Sample
svchost.exe
Resource
win7-20241023-en
General
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Target
svchost.exe
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Size
3.1MB
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MD5
27fbdbdac166ee53df824d4e2a1807a0
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SHA1
2df4cdbb8cc5861277fbaf1db7790fbd5112137b
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SHA256
2c13c16331719db777e6d391eb027e47a12c8e6a0cc36e15d7c4003e841997d1
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SHA512
50d5e8309e4a8f00838026b5917c3aed5c7191d9b464e798859251ac55bd5c6b7219811e9be3766a2166dee97cc845e16bfe9a2a7253c0466956b6e656551f14
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SSDEEP
49152:vvHI22SsaNYfdPBldt698dBcjHQ2xE1v4LoG/kTHHB72eh2NT:vvo22SsaNYfdPBldt6+dBcjHQ2xH
Malware Config
Extracted
quasar
1.4.1
User01
hello383-37009.portmap.host:37009
108151be-6bee-4922-a809-562bf18e7d5c
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encryption_key
2CF5E13B7455B67B54A919C41B45066DC7333545
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install_name
svchost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
svchost
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subdirectory
systemapps
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 svchost.exe
Files
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svchost.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: 2KB - Virtual size: 1KB
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