b19a4ec73e374b0421fcdd7696627d06b4aee40e2d97bf52efbac119d9495bb6

General

Target

b19a4ec73e374b0421fcdd7696627d06b4aee40e2d97bf52efbac119d9495bb6.xls
Size

95KB
MD5

ce5192e9eeffe14da3030106d61ff4de
SHA1

90033ab3aa5cfe11d82180f92f513d5cb20ba212
SHA256

b19a4ec73e374b0421fcdd7696627d06b4aee40e2d97bf52efbac119d9495bb6
SHA512

54d31d3e5fa683178f87474cf7bb62f841b79a1f587327f5cd53c0184210a0fcc04cd44df108dd6c68b066380935d6c8c438d8913e0134cb8f383ee44aacf0c5
SSDEEP

1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgcHuS4hcTO97v7UYdEJm0t:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgE

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://dazzlecollections.co.za/THDXpHbk3YwA/HTolLw1ams3x/

xlm40.dropper

http://www.daxberger.at/stats/NfxCfPkIhjZqEvLMN2Ul/

xlm40.dropper

http://k-s-j.jp/contact/r3a9keM/

xlm40.dropper

http://kentandcowines.com.au/wp-content/nkz1FRU9Y5i/L/

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	3436	1856	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5048	1856	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5012	1856	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1396	1856	regsvr32.exe	81

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
1856	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1856	EXCEL.EXE
1856	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 3436	1856	EXCEL.EXE	85
PID 1856 wrote to memory of 3436	1856	EXCEL.EXE	85
PID 1856 wrote to memory of 5048	1856	EXCEL.EXE	87
PID 1856 wrote to memory of 5048	1856	EXCEL.EXE	87
PID 1856 wrote to memory of 5012	1856	EXCEL.EXE	91
PID 1856 wrote to memory of 5012	1856	EXCEL.EXE	91
PID 1856 wrote to memory of 1396	1856	EXCEL.EXE	93
PID 1856 wrote to memory of 1396	1856	EXCEL.EXE	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b19a4ec73e374b0421fcdd7696627d06b4aee40e2d97bf52efbac119d9495bb6.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:1856
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3436
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5048
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5012
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1396

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
09861ce3a59ff2c26f4e78911baebf1a

SHA1
5c293fb6c5312abc61958fe3ff0a2c2cbdcad016

SHA256
8ee7d4b8b9f46b2d0712a1ded5ca5ff027bc0dd913f24ecbd1ebeca8641f9a67

SHA512
c53916113ab1ec24457a9935aea35c9194cb54b5972a1bc96056ead7dbad9b635788333f24fe5d882b1f7988944982bf422b3038a33f1e65e28841af0d00b223

Download Submit
memory/1856-14-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-34-0x00007FFAA8A8D000-0x00007FFAA8A8E000-memory.dmp

Filesize
4KB

Download
memory/1856-5-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-4-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-9-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-12-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-8-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-7-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-6-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-1-0x00007FFAA8A8D000-0x00007FFAA8A8E000-memory.dmp

Filesize
4KB

Download
memory/1856-3-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-2-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-16-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

Filesize
64KB

Download
memory/1856-11-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-15-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

Filesize
64KB

Download
memory/1856-10-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-18-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-19-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-20-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-17-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-33-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-0-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-38-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-13-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads