4fcf65e0a402628d6e41ec7b6785f2d0e36962c8f94e19e6f733436a86057975

General

Target

AVQ631231127TWA - AMEND BOOKING - MELIA VINPEARL RIVERFRONT - UM=HANATOUR27_30.11=HANATOUR27_28.11=HANATOUR28_30.11 (1).eml
Size

71KB
MD5

d614386a41b51fa6205cc326928d62d0
SHA1

e2e65433a4a9d70b5c2aee74e10d0025131b2cd0
SHA256

f64cb53e22a2de31cbb4857f757319f00bf869a3b1c79c54ec983aac1db8fd98
SHA512

4fafda55afbedd90a1ff0de9ec234794a9764e726839b0532940522a8d85e136bd09dbf9e657ccf08add176734067f2eeb83dbf12785f98d911f4d42500c8246
SSDEEP

1536:qlCJFyhjnd3YblDakN3MRI3AeHGSQtQHGS0K7x3KMFQHGS9NACQHGSn:qZ4L

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 14 IoCs

description	ioc	Process
File created	C:\Windows\system32\perfh007.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\perfc011.dat	OUTLOOK.EXE
File opened for modification	C:\Windows\SysWOW64\PerfStringBackup.INI	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\perfc00A.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\perfh011.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh010.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

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\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-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2588	OUTLOOK.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2588	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\AVQ631231127TWA - AMEND BOOKING - MELIA VINPEARL RIVERFRONT - UM=HANATOUR27_30.11=HANATOUR27_28.11=HANATOUR28_30.11 (1).eml"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

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
240KB

MD5
d1263df883a91d8885b8bc2ed88848d0

SHA1
a5368f9fa2dca2e5a2c99a2b543f55f48c71eb3e

SHA256
2f24d10b51bb62e88757b8ee172b8fd73628c2b51e9e5d4e6da12508d89bfb99

SHA512
efce4786833e50522715cfefde1f4d0435a56947ba0dae8e001cf1234506f4bdd7cae5fb9250dc9d55a319c553ad856270311bcc7c49095b0cb260dba3b88d1c

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

Filesize
240KB

MD5
b278e11cba73d42fe7f9184e398b0381

SHA1
330b0e9aba86f078e674485008b986dc3aa3e108

SHA256
0893bd99b4b0abc082f25badaf0446e3f3cb68bc0f45abf30afec3284990c350

SHA512
3389b26200e9ea2169604f6822d24f8915e470f0a68564530af4e7f0bd6ac8daf41adc45f36eba7645767d7cd9163d3fe1b53e436c1fc563344139d877439b0b

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

Filesize
236KB

MD5
6611b2921eb346f884479082445da5c4

SHA1
5f0728c7be57592cfcc89a06c158eda269afd2c3

SHA256
3327d61ced5fd14db098c944a6f49546617dec198bc94cf247b568f6f89e8de1

SHA512
da8b927b809df1f4468cc6604766b2a8c9c6b4d2ab1034c9f17116bec2a7ecc9bb2ad1b626bb700fa6617b8d0478234c295cfe81c09b1d3e81417c8c92321ee7

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

Filesize
1KB

MD5
48dd6cae43ce26b992c35799fcd76898

SHA1
8e600544df0250da7d634599ce6ee50da11c0355

SHA256
7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

SHA512
c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

Download Submit
memory/2588-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2588-1-0x0000000073B6D000-0x0000000073B78000-memory.dmp

Filesize
44KB

Download
memory/2588-124-0x0000000073B6D000-0x0000000073B78000-memory.dmp

Filesize
44KB

Download

Analysis

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