27b9d4651254eb1d39070b95576e62a8f022ac3a78b765204a09c7c14994a0d2

Resubmissions

01-09-2023 08:38

230901-kjrk2adf3z 6

01-09-2023 08:23

230901-kacerade7w 6

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01-09-2023 08:38

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General

Target

FW_ Permit .eml
Size

16.7MB
MD5

cb4426a67345cef68302d5963ab806e7
SHA1

58278756681f9eb02ed873429a3f5cb8df224d87
SHA256

27b9d4651254eb1d39070b95576e62a8f022ac3a78b765204a09c7c14994a0d2
SHA512

92f084db34cd902182c1ae8c43dfdf40d794748ce5cc60b3476fb2953a1f56258482cc9b11f40f73362cf6e79d4ad9687966a9a5b3fa2395f50ed9b81f75412b
SSDEEP

49152:ES2qFQxlcEQ2yAV0CvCIL55fxkZEq2W9ybjyMP4emebSQ6y0ZBGLmjD6Xcd7awty:O

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 14 IoCs

Processes:

OUTLOOK.EXE

description	ioc	process
File created	C:\Windows\system32\perfc00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00C.dat	OUTLOOK.EXE
File opened for modification	C:\Windows\SysWOW64\PerfStringBackup.INI	OUTLOOK.EXE
File created	C:\Windows\system32\perfh010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc010.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\perfc007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh009.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\perfh007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc009.dat	OUTLOOK.EXE

Drops file in Windows directory 3 IoCs

Processes:

OUTLOOK.EXE

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

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

OUTLOOK.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

OUTLOOK.EXE

pid process

2324 OUTLOOK.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

OUTLOOK.EXE

pid process

2324 OUTLOOK.EXE

pid	process
2324	OUTLOOK.EXE

pid	process
2324	OUTLOOK.EXE

C:\PROGRA~2\MICROS~1\Office14\OUTLOOK.EXE
C:\PROGRA~2\MICROS~1\Office14\OUTLOOK.EXE /eml "C:\Users\Admin\AppData\Local\Temp\FW_ Permit .eml"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\FORMS\FRMCACHE.DAT

Filesize
225KB

MD5
b941707214e6a11b1161d94337b6d91b

SHA1
e0b4150f28aa5a574f09a0e84a72aa9d250fb6d8

SHA256
bebd8af6e2b5116ee472e9e7f3e407dec15fe556182b96a6cfc156a045000d46

SHA512
02573b54a6f10c016027d4e4c52ad002d34d87dbc4032f95e7ebe245e970596fc68a0f53a226065cf73d218b02dfc5e35493bf2f7e8020b9aad45825a9ccf064

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Outlook\mapisvc.inf

Filesize
800B

MD5
5d70703422c4f3e8dbe75ff1ca11b51c

SHA1
2f1efe05b667952a49bda6699b09bfa6c4df4aca

SHA256
c53db102bc6a0383ff07b3965490504601825078b215673808221513a49fc037

SHA512
c69bc84d9a4837ada45a0e25a315ee26d1166f488e60c172e8c0746fee1cb033cce2598d882c18de7765290b1116349856d2b023c29c21f6312514957dcaa44f

Download Submit
memory/2324-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2324-1-0x0000000073DFD000-0x0000000073E08000-memory.dmp

Filesize
44KB

Download
memory/2324-124-0x0000000073DFD000-0x0000000073E08000-memory.dmp

Filesize
44KB

Download