2678f0814b9b74a56173fd87a9b9824ff7fa04ea4bd6f5c89b3d97bef97ee8d6

General

Target

2678f0814b9b74a56173fd87a9b9824ff7fa04ea4bd6f5c89b3d97bef97ee8d6.xls
Size

91KB
MD5

79721a5bc7f27072ef0805803627d88d
SHA1

0fe0b7d44815fb6fb06913d5985607a90e781aaa
SHA256

2678f0814b9b74a56173fd87a9b9824ff7fa04ea4bd6f5c89b3d97bef97ee8d6
SHA512

a5a41d92d038595447534629b1a2f358a7e064228c3396624822aa38a0dc5e8f081f0925dc9630a0a6ef22c11bf987a11db0f4c657586d4e278ed3833cf103b7
SSDEEP

1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgIbCXuZH4gb4CEn9J4ZJFQvj:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://fixoutlet.com/logs/OGlRuU/

xlm40.dropper

http://www.cesasin.com.ar/administrator/viA95RR/

xlm40.dropper

http://blacktequila.com.br/2fb62HWWoKi5nfEq2D/XB5VOAXZkhVhSKveYUV/

xlm40.dropper

http://case.co.il/_js/dooigYa/

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	5048	1940	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4264	1940	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	928	1940	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3472	1940	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
1940	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1940	EXCEL.EXE
1940	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 5048	1940	EXCEL.EXE	88
PID 1940 wrote to memory of 5048	1940	EXCEL.EXE	88
PID 1940 wrote to memory of 4264	1940	EXCEL.EXE	92
PID 1940 wrote to memory of 4264	1940	EXCEL.EXE	92
PID 1940 wrote to memory of 928	1940	EXCEL.EXE	93
PID 1940 wrote to memory of 928	1940	EXCEL.EXE	93
PID 1940 wrote to memory of 3472	1940	EXCEL.EXE	95
PID 1940 wrote to memory of 3472	1940	EXCEL.EXE	95

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2678f0814b9b74a56173fd87a9b9824ff7fa04ea4bd6f5c89b3d97bef97ee8d6.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:1940
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:5048
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4264
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:928
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:3472

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

memory/1940-1-0x00007FFC0E390000-0x00007FFC0E3A0000-memory.dmp

Filesize
64KB

Download
memory/1940-3-0x00007FFC4E3AD000-0x00007FFC4E3AE000-memory.dmp

Filesize
4KB

Download
memory/1940-4-0x00007FFC0E390000-0x00007FFC0E3A0000-memory.dmp

Filesize
64KB

Download
memory/1940-6-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-8-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-11-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-10-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-13-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-12-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-15-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-18-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-19-0x00007FFC0C100000-0x00007FFC0C110000-memory.dmp

Filesize
64KB

Download
memory/1940-17-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-16-0x00007FFC0C100000-0x00007FFC0C110000-memory.dmp

Filesize
64KB

Download
memory/1940-14-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-7-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-9-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/1940-5-0x00007FFC0E390000-0x00007FFC0E3A0000-memory.dmp

Filesize
64KB

Download
memory/1940-2-0x00007FFC0E390000-0x00007FFC0E3A0000-memory.dmp

Filesize
64KB

Download
memory/1940-0-0x00007FFC0E390000-0x00007FFC0E3A0000-memory.dmp

Filesize
64KB

Download
memory/1940-40-0x00007FFC4E310000-0x00007FFC4E505000-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