92b4b734be815421f0ea5631f80e5388147e6cf2daabf9bfeff61c8e16a78dd0

General

Target

92b4b734be815421f0ea5631f80e5388147e6cf2daabf9bfeff61c8e16a78dd0.xls
Size

91KB
MD5

c38157ab17f97bc72d9bb4ad15c98e7b
SHA1

235ce1d4e251d39ca43610594256a6813dfbd6f0
SHA256

92b4b734be815421f0ea5631f80e5388147e6cf2daabf9bfeff61c8e16a78dd0
SHA512

5bd296da55775c977d658867132eaa939c4c508cf032ff8854f61676bc0c476ce159daf9364a28eccfb175d5c2b81fe0593f09d9e8e49f1df94a0cd149d738e8
SSDEEP

1536:vKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgHbCXuZH4gb4CEn9J4ZnX5:vKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg9

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://datie-tw.com/img/O8G0RDZj7MYCuJyPoP/

xlm40.dropper

http://sbm.xinmoshiwang.com/upload/VaOfWEb3pW76UO/

xlm40.dropper

https://copunupo.ac.zm/cgi-bin/WFFcGx/

xlm40.dropper

http://ly.yjlianyi.top/wp-admin/4cChao/

Signatures

Process spawned unexpected child process 4 IoCs

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

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2428	2060	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2704	2060	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	536	2060	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2756	2060	regsvr32.exe	EXCEL.EXE

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2060 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2060 EXCEL.EXE
2060 EXCEL.EXE
2060 EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
2060	EXCEL.EXE

pid	process
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2060 wrote to memory of 2428	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2428	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2428	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2428	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2428	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2428	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2428	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2704	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2704	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2704	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2704	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2704	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2704	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2704	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 536	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 536	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 536	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 536	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 536	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 536	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 536	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2756	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2756	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2756	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2756	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2756	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2756	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2756	2060	EXCEL.EXE	regsvr32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\92b4b734be815421f0ea5631f80e5388147e6cf2daabf9bfeff61c8e16a78dd0.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2428
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:536
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2060-1-0x0000000072C7D000-0x0000000072C88000-memory.dmp

Filesize
44KB

Download
memory/2060-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2060-17-0x0000000072C7D000-0x0000000072C88000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads