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Analysis
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max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
01/09/2023, 05:51
Static task
static1
Behavioral task
behavioral1
Sample
SuspiciousEmails.zip
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
SuspiciousEmails.zip
Resource
win10v2004-20230831-en
Behavioral task
behavioral3
Sample
POTENTIALLY SUSPICIOUS SHIP DATE Aug 29 2023.msg
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
POTENTIALLY SUSPICIOUS SHIP DATE Aug 29 2023.msg
Resource
win10v2004-20230831-en
Behavioral task
behavioral5
Sample
SHIP DATE Aug 29 2023.msg
Resource
win7-20230831-en
Behavioral task
behavioral6
Sample
SHIP DATE Aug 29 2023.msg
Resource
win10v2004-20230831-en
General
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Target
POTENTIALLY SUSPICIOUS SHIP DATE Aug 29 2023.msg
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Size
204KB
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MD5
379270fb269df472c2cf4a7f4e120244
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SHA1
0c87dd774f82e4f52a5c80b565ee2f0e97e109c6
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SHA256
1f47739cb2c5fab701bd783346bc0a1b9d9f862dd9bb5ed170df95296ede1d4f
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SHA512
87ce1904b6274822f181e49279d835da4ea684d250a0e7e978a5acf63880dffb9965cc135dd19a1cfbfe5e2e32137e9c8e0fc345c8836dc4a1132b7fe8b1981a
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SSDEEP
6144:ZtaTQWF2ok3u9mnPXHAriJdTf7l5iH2Kt4dl2x/E:ZgTQWF2ok3u9mnPXHoiJdTf7l5iHL
Malware Config
Signatures
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Drops file in System32 directory 14 IoCs
description ioc Process File created C:\Windows\SysWOW64\PerfStringBackup.TMP OUTLOOK.EXE File created C:\Windows\system32\perfh007.dat OUTLOOK.EXE File created C:\Windows\system32\perfh010.dat OUTLOOK.EXE File created C:\Windows\system32\perfh011.dat OUTLOOK.EXE File opened for modification C:\Windows\SysWOW64\PerfStringBackup.INI OUTLOOK.EXE File created C:\Windows\system32\perfh009.dat OUTLOOK.EXE File created C:\Windows\system32\perfc010.dat OUTLOOK.EXE File created C:\Windows\system32\perfc007.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\system32\perfc00C.dat OUTLOOK.EXE File created C:\Windows\system32\perfc011.dat OUTLOOK.EXE File created C:\Windows\system32\perfc009.dat OUTLOOK.EXE File created C:\Windows\system32\perfh00C.dat OUTLOOK.EXE -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\inf\Outlook\outlperf.h OUTLOOK.EXE File opened for modification C:\Windows\inf\Outlook\outlperf.h OUTLOOK.EXE File created C:\Windows\inf\Outlook\0009\outlperf.ini OUTLOOK.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\Toolbar OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" OUTLOOK.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\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-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel OUTLOOK.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2992 OUTLOOK.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2992 OUTLOOK.EXE
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE"C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE" /f "C:\Users\Admin\AppData\Local\Temp\POTENTIALLY SUSPICIOUS SHIP DATE Aug 29 2023.msg"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
PID:2992
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
240KB
MD5a4d34f5f3bf7de70171ca1bd1e5d2f12
SHA1e39c616828301a7cff07822c12670881296bf463
SHA25696219940092dc2e8326875122b34c88ee9c15cd1efba4ab1017afe54c4787097
SHA5128be7edd1f7820cdbeb2ee01e55aada95b44a1625fba40014224b04713057552216c21ba6becd9cd0f58c9eccfaaa7b3e32f20b8825a90d60fb9934cb9321e478
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Filesize
240KB
MD5a4d34f5f3bf7de70171ca1bd1e5d2f12
SHA1e39c616828301a7cff07822c12670881296bf463
SHA25696219940092dc2e8326875122b34c88ee9c15cd1efba4ab1017afe54c4787097
SHA5128be7edd1f7820cdbeb2ee01e55aada95b44a1625fba40014224b04713057552216c21ba6becd9cd0f58c9eccfaaa7b3e32f20b8825a90d60fb9934cb9321e478
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Filesize
1KB
MD548dd6cae43ce26b992c35799fcd76898
SHA18e600544df0250da7d634599ce6ee50da11c0355
SHA2567bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a
SHA512c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31