6061cba0f25b76e6f6ebca1a49eef1e8297a3e5383e3c6b456fec1a6de001e61

General

Target

6061cba0f25b76e6f6ebca1a49eef1e8297a3e5383e3c6b456fec1a6de001e61.xls
Size

96KB
MD5

153cc097b46712bc6e1cb99141f34d11
SHA1

853c232b15ae994b05ba1e6b0d1be9f5e0393d79
SHA256

6061cba0f25b76e6f6ebca1a49eef1e8297a3e5383e3c6b456fec1a6de001e61
SHA512

c221ac251a030841b2df2566b984357da33807cb77ea7714b3b85f63a77350ab8842954124c48958c9610cc29e33cc2f1b0386c0b12e4d51bceab780e0f8557c
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2HuS4hcTO97v7UYdEJmo:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg0

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	808	4864	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3888	4864	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1864	4864	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4668	4864	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
4864	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4864	EXCEL.EXE
4864	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 808	4864	EXCEL.EXE	89
PID 4864 wrote to memory of 808	4864	EXCEL.EXE	89
PID 4864 wrote to memory of 3888	4864	EXCEL.EXE	93
PID 4864 wrote to memory of 3888	4864	EXCEL.EXE	93
PID 4864 wrote to memory of 1864	4864	EXCEL.EXE	94
PID 4864 wrote to memory of 1864	4864	EXCEL.EXE	94
PID 4864 wrote to memory of 4668	4864	EXCEL.EXE	95
PID 4864 wrote to memory of 4668	4864	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\6061cba0f25b76e6f6ebca1a49eef1e8297a3e5383e3c6b456fec1a6de001e61.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:4864
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:808
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3888
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1864
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4668

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
667B

MD5
86f0086730ac5a8eae9f0013fa3101e9

SHA1
7d698ff94651292c0aee228ae470d37ed1fdef07

SHA256
ee6d7d8929b2f40db6b446b139db597a7412d5a7e60ed46b2f78b74adea53af4

SHA512
aec708e3c69ae265e1bc8da3a28e071028a1cf752227101757e097c8e5f7dd5a13314886cfaf7334e93761834504426aa5bbe7ed57f922ffd4ae9e26035afe58

Download Submit
memory/4864-19-0x00007FFC5A2D0000-0x00007FFC5A2E0000-memory.dmp

Filesize
64KB

Download
memory/4864-52-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-3-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download
memory/4864-4-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download
memory/4864-5-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download
memory/4864-8-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-7-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-9-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-6-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-12-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-11-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-17-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-2-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download
memory/4864-18-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-16-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-15-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-22-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-21-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-20-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-14-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-13-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-10-0x00007FFC5A2D0000-0x00007FFC5A2E0000-memory.dmp

Filesize
64KB

Download
memory/4864-50-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-51-0x00007FFC9CC4D000-0x00007FFC9CC4E000-memory.dmp

Filesize
4KB

Download
memory/4864-1-0x00007FFC9CC4D000-0x00007FFC9CC4E000-memory.dmp

Filesize
4KB

Download
memory/4864-53-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-0-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads