Behavioral task
behavioral1
Sample
99.exe
Resource
win7-20240903-en
General
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Target
99.exe
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Size
3.1MB
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MD5
4d354ddf83547df347c249ee10a01c6d
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SHA1
bf1230df5257ba1db8ab7fbf357f01f545e999a2
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SHA256
dbd3b7317e7aeab2a126c46a2b688c7a68fcc0e1d8f5ed7e011dd3eca80cc50c
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SHA512
91771ab55252bf6edebe418d25bde4211302414d50303bb466b9dc1ec572f1b44fcb7ca0f16b48710165c0a6349cb653e795ade58ae9b168413f5ef82308e395
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SSDEEP
49152:6vBt62XlaSFNWPjljiFa2RoUYIyD6x1JBLaGd1THHB72eh2NT:6vr62XlaSFNWPjljiFXRoUYIyD6r
Malware Config
Extracted
quasar
1.4.1
Office04
2.tcp.us-cal-1.ngrok.io:14537
0f60b981-1a45-472b-acf2-32d2fa49956b
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encryption_key
B3CE4ADBCFC896D87D5632035EB0E3D075AB14F9
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install_name
LOGI_INT.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
LOGI_INT
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 99.exe
Files
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99.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