General
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Target
otp-bot-new.exe
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Size
2.9MB
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MD5
ae34876e43bb1cb8cd2340c017f6a5e0
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SHA1
ac44591fd0b027802c514ed6100282198f8b6e46
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SHA256
b9f430abee4e94310b6c130b1a1a08022de80d5fbd289a1093460e44e91ab5ae
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SHA512
a11a37e78e20d5d2c6c585f67d0708044d59bb7e03afeb96683e9a66f089f67abe36f175f5040eebb90de6c6625904c67bcc7e9bdf2d03630dc3fa3bc113449d
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SSDEEP
49152:Kvkt62XlaSFNWPjljiFa2RoUYIcWtIWTHHB72eh2NT:Kv462XlaSFNWPjljiFXRoUYIcW
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.178.65:4782
a621aae4-5f41-49bd-93e5-f5c3c51eb24b
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encryption_key
A2A1CED47006329D51EFDAFA185B0337D5C98071
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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
Client
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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 otp-bot-new.exe
Files
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otp-bot-new.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: 2.9MB - Virtual size: 2.9MB
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