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Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28/02/2024, 11:27
Static task
static1
Behavioral task
behavioral1
Sample
Untitled attachment 00022.eml
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Untitled attachment 00022.eml
Resource
win10v2004-20240226-en
General
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Target
Untitled attachment 00022.eml
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Size
8KB
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MD5
9a7d40a2e24919697a51e712cb902b52
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SHA1
5522bce74c8b383f72c982dd5ce35aca618ec19d
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SHA256
2b57bdc14e2d4211ee67f756c6fad5b58f96997568780f9c2bfedcd16271a0e7
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SHA512
b1747dc7870b8842e52938df370717c0ebed55401d6a94f5594aa78d6b65801a733855126b97c495319c140fdd824fcf80d99a5ff82e8e79818b0fe49269ba6f
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SSDEEP
192:EzTftPyLiqQZSDWFJ5BTXmniG3DIuoCdqitVXUr8ui3:E9qLvQADwJ5tXjGzInCdqi3XU4D
Malware Config
Signatures
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Drops file in System32 directory 14 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\PerfStringBackup.INI OUTLOOK.EXE File created C:\Windows\system32\perfc009.dat OUTLOOK.EXE File created C:\Windows\system32\perfc00A.dat OUTLOOK.EXE File created C:\Windows\system32\perfh00A.dat OUTLOOK.EXE File created C:\Windows\SysWOW64\PerfStringBackup.TMP OUTLOOK.EXE File created C:\Windows\system32\perfc010.dat OUTLOOK.EXE File created C:\Windows\system32\perfh007.dat OUTLOOK.EXE File created C:\Windows\system32\perfh009.dat OUTLOOK.EXE File created C:\Windows\system32\perfc011.dat OUTLOOK.EXE File created C:\Windows\system32\perfh011.dat OUTLOOK.EXE File created C:\Windows\system32\perfc007.dat OUTLOOK.EXE File created C:\Windows\system32\perfc00C.dat OUTLOOK.EXE File created C:\Windows\system32\perfh00C.dat OUTLOOK.EXE File created C:\Windows\system32\perfh010.dat OUTLOOK.EXE -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\inf\Outlook\outlperf.h OUTLOOK.EXE File created C:\Windows\inf\Outlook\0009\outlperf.ini OUTLOOK.EXE File created C:\Windows\inf\Outlook\outlperf.h OUTLOOK.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote OUTLOOK.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" OUTLOOK.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" OUTLOOK.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2176 OUTLOOK.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2176 OUTLOOK.EXE
Processes
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C:\PROGRA~2\MICROS~1\Office14\OUTLOOK.EXEC:\PROGRA~2\MICROS~1\Office14\OUTLOOK.EXE /eml "C:\Users\Admin\AppData\Local\Temp\Untitled attachment 00022.eml"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
PID:2176
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
240KB
MD5bc12dfa0925136dc09200180c33fb1a9
SHA14a0932470d7e1b7ee709bdcdb1cb05d620445ca0
SHA256031c270989f5f868d7dcad0028c406a9f2dec11e0ea9aba94b0ea263f0946dc4
SHA512a60386143cc8e98e667087ea71149eeee977754600895ddc490533ac0a9e0999c5730de76378199f52adb712cdc92f0a1f7522fddccbfa8acb5406ea2c018da7
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Filesize
1KB
MD548dd6cae43ce26b992c35799fcd76898
SHA18e600544df0250da7d634599ce6ee50da11c0355
SHA2567bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a
SHA512c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31