Behavioral task
behavioral1
Sample
37e12dacefa8a2d8c515c99408a47f16b104987723d9318359ffb7774b7f6c1a.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
37e12dacefa8a2d8c515c99408a47f16b104987723d9318359ffb7774b7f6c1a.exe
Resource
win10v2004-20240709-en
General
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Target
37e12dacefa8a2d8c515c99408a47f16b104987723d9318359ffb7774b7f6c1a
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Size
6.7MB
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MD5
2ff9cd7ee6aed8628803df36422ffce5
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SHA1
afe9cc04140745ac5b480eb4d197344474076a62
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SHA256
37e12dacefa8a2d8c515c99408a47f16b104987723d9318359ffb7774b7f6c1a
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SHA512
3bada0889dcc62aa4937496ace7130b1b0ac057652b17fb77378f629503d36c55d4e109a924a7b2c121ebbcf8e151bcdd2c8301b6ed4f9a196b74c8fd789a404
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SSDEEP
98304:FDTijHL8mn7sP1U4j0azLZlEw5WNCOhssO0z:9Ti9sP1UC0azZoZi
Malware Config
Extracted
quasar
1.4.0
v15.4.5 | SeroXen
127.0.0.1:4782
e49525ed-5f35-446e-a1ed-9c9d5cc178ba
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encryption_key
AB9D3B7601486FB75E90891A824C4E3E431D888B
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install_name
.exe
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log_directory
$sxr-Logs
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reconnect_delay
3000
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startup_key
$sxr-seroxen
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 37e12dacefa8a2d8c515c99408a47f16b104987723d9318359ffb7774b7f6c1a
Files
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37e12dacefa8a2d8c515c99408a47f16b104987723d9318359ffb7774b7f6c1a.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: 6.7MB - Virtual size: 6.7MB
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