67aa48b847622a7219baa7cf3c066a40e3519b1d00e73bbe94511295d90fc5da

General

Target

67aa48b847622a7219baa7cf3c066a40e3519b1d00e73bbe94511295d90fc5da.xls
Size

96KB
MD5

362eedf51bcb7203399b2ef19efcafc1
SHA1

5cfb2dfd96a583c9f853171120d493a5ef4c83aa
SHA256

67aa48b847622a7219baa7cf3c066a40e3519b1d00e73bbe94511295d90fc5da
SHA512

b9be67f6933bd42c65217f36db6804119dac18a926d8404e6ba0565766243c0d10c1c4498b07dd301f05080331a41d99b11053b2420df8e00bb9549406ac0dcc
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2HuS4hcTO97v7UYdEJmw:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgc

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://atperson.com/campusvirtual/EOgFGo17w/

xlm40.dropper

https://eliteturismo.com/phpmailer-old/dafdBxQONtk5Uf9dxll/

xlm40.dropper

http://atici.net/c/JDFDBMIz/

xlm40.dropper

http://domesticuif.co.za/libraries/nbnH9dpd/

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	1056	836	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2388	836	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1396	836	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1428	836	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
836	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
836	EXCEL.EXE
836	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE
836	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 1056	836	EXCEL.EXE	89
PID 836 wrote to memory of 1056	836	EXCEL.EXE	89
PID 836 wrote to memory of 2388	836	EXCEL.EXE	93
PID 836 wrote to memory of 2388	836	EXCEL.EXE	93
PID 836 wrote to memory of 1396	836	EXCEL.EXE	94
PID 836 wrote to memory of 1396	836	EXCEL.EXE	94
PID 836 wrote to memory of 1428	836	EXCEL.EXE	95
PID 836 wrote to memory of 1428	836	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\67aa48b847622a7219baa7cf3c066a40e3519b1d00e73bbe94511295d90fc5da.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:836
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1056
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2388
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1396
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1428

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
61bbab7939d83e8306076d54029151f8

SHA1
ce409ab6c8f9d85b15909d691f0d6965f6717752

SHA256
1fbf79dce9ecc9f3115f965f963f6729519eb474d3fd8b5dacde18d06ee3a4ad

SHA512
4eb4f7cad308e09753f314dbe61a559f5dc1b6cfaa904ae5786e30f80579aafdcd89e587ccc762addaa347a9d2150c979d3f284bdca12ce340992606296094ca

Download Submit
memory/836-12-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-2-0x00007FFFB4F30000-0x00007FFFB4F40000-memory.dmp

Filesize
64KB

Download
memory/836-5-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-7-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-6-0x00007FFFB4F30000-0x00007FFFB4F40000-memory.dmp

Filesize
64KB

Download
memory/836-3-0x00007FFFB4F30000-0x00007FFFB4F40000-memory.dmp

Filesize
64KB

Download
memory/836-9-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-13-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-0-0x00007FFFB4F30000-0x00007FFFB4F40000-memory.dmp

Filesize
64KB

Download
memory/836-10-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-4-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-11-0x00007FFFB2AB0000-0x00007FFFB2AC0000-memory.dmp

Filesize
64KB

Download
memory/836-8-0x00007FFFB4F30000-0x00007FFFB4F40000-memory.dmp

Filesize
64KB

Download
memory/836-15-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-17-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-16-0x00007FFFB2AB0000-0x00007FFFB2AC0000-memory.dmp

Filesize
64KB

Download
memory/836-18-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-14-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-44-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-45-0x00007FFFF4F4D000-0x00007FFFF4F4E000-memory.dmp

Filesize
4KB

Download
memory/836-46-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-50-0x00007FFFF4EB0000-0x00007FFFF50A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-1-0x00007FFFF4F4D000-0x00007FFFF4F4E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads