Overview
overview
6Static
static
1Fwd- [Nexd...53.eml
windows7-x64
6Fwd- [Nexd...53.eml
windows10-2004-x64
3attachment-3.eml
windows7-x64
6attachment-3.eml
windows10-2004-x64
3email-html-1.txt
windows7-x64
1email-html-1.txt
windows10-2004-x64
1email-html-2.html
windows7-x64
1email-html-2.html
windows10-2004-x64
1email-plain-1.txt
windows7-x64
1email-plain-1.txt
windows10-2004-x64
1Analysis
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max time kernel
112s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
07/02/2023, 07:12
Static task
static1
Behavioral task
behavioral1
Sample
Fwd- [Nexdigm] Payment - Invoice #IM33-1753-S3-1 Pay Remittance for 2023-02-01, 04-53.eml
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Fwd- [Nexdigm] Payment - Invoice #IM33-1753-S3-1 Pay Remittance for 2023-02-01, 04-53.eml
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
attachment-3.eml
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
attachment-3.eml
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
email-html-1.txt
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
email-html-1.txt
Resource
win10v2004-20221111-en
Behavioral task
behavioral7
Sample
email-html-2.html
Resource
win7-20220901-en
Behavioral task
behavioral8
Sample
email-html-2.html
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
email-plain-1.txt
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
email-plain-1.txt
Resource
win10v2004-20220812-en
General
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Target
attachment-3.eml
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Size
499KB
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MD5
3e1760e4f1beaa5bb7ea9f8ac821ba7b
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SHA1
8681d248f07d71dae54e22861afbef95cca791cb
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SHA256
4e841e30fc7af251c5793a164e04e5026e1f822f554d4af78d585f142dd787d7
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SHA512
6dc8835baeb06afb685f7d44f0dd8fe3cf16236ae795a0ace64ba47aee91ce8a3c918bdcf58555d0d6917ccd3f3dbf718dd9d0318ede79beb4f82f55669403d5
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SSDEEP
6144:LyFP2/eReiIvwyJQusiqJ2OJVEy6fMRiVHXKvk2yKoS3CmlPT5j2Td7a42:Le1IvW2JMGXQIKosCqATx2
Malware Config
Signatures
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Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook OUTLOOK.EXE Key queried \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 OUTLOOK.EXE Key queried \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 OUTLOOK.EXE Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook OUTLOOK.EXE -
Drops file in System32 directory 14 IoCs
description ioc Process File created C:\Windows\system32\perfh009.dat OUTLOOK.EXE File created C:\Windows\system32\perfc00A.dat OUTLOOK.EXE File created C:\Windows\system32\perfc007.dat OUTLOOK.EXE File created C:\Windows\system32\perfh00A.dat OUTLOOK.EXE File created C:\Windows\system32\perfh00C.dat OUTLOOK.EXE File created C:\Windows\system32\perfh010.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\SysWOW64\PerfStringBackup.TMP OUTLOOK.EXE File created C:\Windows\system32\perfc009.dat OUTLOOK.EXE File created C:\Windows\system32\perfc00C.dat OUTLOOK.EXE File created C:\Windows\system32\perfc010.dat OUTLOOK.EXE File opened for modification C:\Windows\SysWOW64\PerfStringBackup.INI OUTLOOK.EXE File created C:\Windows\system32\perfh007.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 Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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 1504 OUTLOOK.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1504 OUTLOOK.EXE -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 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\attachment-3.eml"1⤵
- Accesses Microsoft Outlook profiles
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- outlook_win_path
PID:1504