Analysis
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max time kernel
137s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12-10-2023 15:43
Static task
static1
Behavioral task
behavioral1
Sample
5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca_JC.dll
Resource
win7-20230831-en
General
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Target
5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca_JC.dll
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Size
328KB
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MD5
bb7da19e0399724519724d44d7c331c7
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SHA1
b10fb1c24b1d4187e24ee1be76b6247b862b214c
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SHA256
5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca
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SHA512
b68e3f3fec30cac41a11a939e0a5e9db2e45574cb31201fb9dd92657cd03edc060df4f7026ce2f1d9617b48ac88769dcb67958aea040684e661be82d0f8f3fd9
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SSDEEP
6144:yN/F41OWGRkFtwxW6spj/JbUaeboh6EReEUHFmUC3qS7e/g1j:y5FCOWGRayW6sAowXFmUy4U
Malware Config
Extracted
icedid
361893872
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 45 1976 rundll32.exe 47 1976 rundll32.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 1976 rundll32.exe -
Modifies registry class 2 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000_Classes\CLSID\{2E57A065-100F-0007-0263-61A4BB5FA8DB} rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000_Classes\CLSID\{2E57A065-100F-0007-0263-61A4BB5FA8DB}\ = 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 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 924 regsvr32.exe 924 regsvr32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
regsvr32.execmd.exedescription pid process target process PID 924 wrote to memory of 4228 924 regsvr32.exe cmd.exe PID 924 wrote to memory of 4228 924 regsvr32.exe cmd.exe PID 4228 wrote to memory of 1976 4228 cmd.exe rundll32.exe PID 4228 wrote to memory of 1976 4228 cmd.exe rundll32.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca_JC.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:924 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\Admin\{158344D4-4711-DB0F-8C92-028C42F35172}\Zadoxuacut.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Admin\{158344D4-4711-DB0F-8C92-028C42F35172}\Zadoxuacut.dll,#13⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Modifies registry class
PID:1976
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
583KB
MD50245e02cbb6ffe2716c2aeb7fb8006d0
SHA159dd3d2477211eb4fcd72b542812a2036fa0e1e8
SHA2565d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
SHA5120c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82
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Filesize
583KB
MD50245e02cbb6ffe2716c2aeb7fb8006d0
SHA159dd3d2477211eb4fcd72b542812a2036fa0e1e8
SHA2565d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
SHA5120c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82