ffa88c0e759ef6dae762063d5ba2da94cf0b11febaf47e41c9589a8a52beaff0

General

Target

FedEx - AWB 772584418730.doc
Size

324KB
MD5

362ee70db12c9aa925ce26484358ab39
SHA1

47688feb71dcc0120304491902202e2732ae5593
SHA256

ffa88c0e759ef6dae762063d5ba2da94cf0b11febaf47e41c9589a8a52beaff0
SHA512

07a1c3531e04316a6689b75dfc840f63e8f25e0a825b86742ca668cd9f547ee12edd768121a81c49324695745d435dd2ca7067c8a2df9c5386ed1b1dda71b492

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1568 EQNEDT32.EXE
7 1568 EQNEDT32.EXE
8 1568 EQNEDT32.EXE
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1568 EQNEDT32.EXE

flow	pid	process
6	1568	EQNEDT32.EXE
7	1568	EQNEDT32.EXE
8	1568	EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
1568	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1036 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1036 WINWORD.EXE
1036 WINWORD.EXE

pid	process
1036	WINWORD.EXE

pid	process
1036	WINWORD.EXE
1036	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1036 wrote to memory of 2020	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 2020	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 2020	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 2020	1036	WINWORD.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\FedEx - AWB 772584418730.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2020

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Launches Equation Editor
PID:1568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

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

memory/728-3-0x000007FEF6030000-0x000007FEF62AA000-memory.dmp

Filesize
2.5MB

Download
memory/2020-2-0x0000000000000000-mapping.dmp

Download

Analysis

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