efcb2242da3692679ecb5065f772aaf7760ed6829390aaabaf07becd88d96c35

General

Target

Change of Address.xls
Size

91KB
MD5

30c683519923457efd9422b2eb3f2421
SHA1

be84a1176ebff85b4790a8fa10cb68c6c8d9c10b
SHA256

e41862e6cf7c3206fe699b624046c6d3f7ecd59fce0ddca1aadcc87b30545949
SHA512

542784a3fc79a5444d849b5c906765f79dd670b517db86970e9dcaca2f91893cc07f2ee85d1d702419cfa370b0e7edd9432151c30d36da028a58e01445c04192
SSDEEP

1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgzbCXuZH4gb4CEn9J4ZIgT:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://wordpress.xinmoshiwang.com/list/1N5ty/

xlm40.dropper

http://ftp.appleshipstores.com/admin/8rsSDMyJv31SRdz/

xlm40.dropper

http://onaltiyadokuz.net/wp-snapshots/9Fvr0E6cY/

xlm40.dropper

http://cepasvirtual.com.ar/moodle/Lb4gSXE/

Signatures

Process spawned unexpected child process 4 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2528	3188	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4028	3188	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1212	3188	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3040	3188	regsvr32.exe	82

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3188	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3188	EXCEL.EXE
3188	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE
3188	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 2528	3188	EXCEL.EXE	87
PID 3188 wrote to memory of 2528	3188	EXCEL.EXE	87
PID 3188 wrote to memory of 4028	3188	EXCEL.EXE	88
PID 3188 wrote to memory of 4028	3188	EXCEL.EXE	88
PID 3188 wrote to memory of 1212	3188	EXCEL.EXE	92
PID 3188 wrote to memory of 1212	3188	EXCEL.EXE	92
PID 3188 wrote to memory of 3040	3188	EXCEL.EXE	96
PID 3188 wrote to memory of 3040	3188	EXCEL.EXE	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Change of Address.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:2528
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4028
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:1212
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:3040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
e29b254cc975b35325bd907781a15e93

SHA1
340462ea3233add6a4200f8bfd06fa6211625ca5

SHA256
f2d55b8a1a25fb95d225bf031e8c0d170e380fae1d43efdf5fe9b51838cc5680

SHA512
287133b5a7705a6f8106c9254daa6e54ebc219a2dab78d36e6a0f021cba35da42035a8b2c830dceb1136963116628f85a7c7d2faffa26bdfa0cde406c1de44f9

Download Submit
memory/3188-7-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-5-0x00007FFCA9C50000-0x00007FFCA9C60000-memory.dmp

Filesize
64KB

Download
memory/3188-15-0x00007FFCA72F0000-0x00007FFCA7300000-memory.dmp

Filesize
64KB

Download
memory/3188-0-0x00007FFCA9C50000-0x00007FFCA9C60000-memory.dmp

Filesize
64KB

Download
memory/3188-17-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-10-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-12-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-18-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-11-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-14-0x00007FFCA72F0000-0x00007FFCA7300000-memory.dmp

Filesize
64KB

Download
memory/3188-8-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-1-0x00007FFCE9C6D000-0x00007FFCE9C6E000-memory.dmp

Filesize
4KB

Download
memory/3188-4-0x00007FFCA9C50000-0x00007FFCA9C60000-memory.dmp

Filesize
64KB

Download
memory/3188-2-0x00007FFCA9C50000-0x00007FFCA9C60000-memory.dmp

Filesize
64KB

Download
memory/3188-13-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-20-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-19-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-16-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-6-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-9-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-30-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-31-0x00007FFCE9C6D000-0x00007FFCE9C6E000-memory.dmp

Filesize
4KB

Download
memory/3188-32-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-33-0x00007FFCE9BD0000-0x00007FFCE9DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-3-0x00007FFCA9C50000-0x00007FFCA9C60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads