Analysis
- max time kernel
74s - max time network
129s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 04:08
Static task
static1
Behavioral task
behavioral1
Sample
document-144938486.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-144938486.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-144938486.xlsm
- Size 105KB
- Sample210331-32jrnfxv5e
- SHA256 129498b26d732ccdfbbee6a645a3b66c2320da68505a51e1df82992070baa3fe
- MD5 f8114f6b3e377cebff044c11ae808a5e
- SHA1 f290752911d6b4cd3bc51677adc72d74ebf95576
- SHA512 c2af5fec2e59cc677ad9673b97428e0297a81df88589349b8248225d7c81cd7e18c29834a987ede6b1ee53b8f5f69a2fe8497bc9b71501efa03fb59152b8e632
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
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xlm4.0
Source
URLs
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xlm40.dropper
https://metaflip.io/ds/3003.gif
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xlm40.dropper
https://partsapp.com.br/ds/3003.gif
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xlm40.dropper
https://columbia.aula-web.net/ds/3003.gif
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xlm40.dropper
https://tajushariya.com/ds/3003.gif
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xlm40.dropper
https://agenbolatermurah.com/ds/3003.gif
Extracted
Family
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icedid
Campaign
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3717128962
C2
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usaaforced.fun
Signatures
- Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1064 1340 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1964 1340 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 692 1340 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1056 1340 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1112 1340 rundll32.exe 24 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral1/memory/328-20-0x00000000001A0000-0x00000000001A7000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 3 IoCs
flow pid Process 33 328 rundll32.exe 37 328 rundll32.exe 39 328 rundll32.exe - Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
pid Process 1112 rundll32.exe 328 rundll32.exe - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1340 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 328 rundll32.exe 328 rundll32.exe - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1340 wrote to memory of 1064 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1064 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1064 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1064 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1064 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1064 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1064 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1964 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1964 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1964 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1964 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1964 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1964 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1964 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 692 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 692 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 692 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 692 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 692 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 692 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 692 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1112 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1112 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1112 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1112 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1112 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1112 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1112 1340 EXCEL.EXE 35 PID 1112 wrote to memory of 328 1112 rundll32.exe 36 PID 1112 wrote to memory of 328 1112 rundll32.exe 36 PID 1112 wrote to memory of 328 1112 rundll32.exe 36 PID 1112 wrote to memory of 328 1112 rundll32.exe 36
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-144938486.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\ksjvoefv.skd,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1064
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1964
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:692
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\ksjvoefv.skd3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1056
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\ksjvoefv.skd4,DllRegisterServer2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\system32\rundll32.exerundll32 ..\ksjvoefv.skd4,DllRegisterServer3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:328
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