88f2a0b582807e7cb8dce67a8bd81760c0f7f2e6329062c256cb7fe7ec7f3221

Analysis

max time kernel
4294181s
max time network
124s
platform
windows7_x64
resource
win7-20220311-en
submitted
23/03/2022, 14:02

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General

Target
Document.exe
Size 936KB
Sample220323-rb7evabfdm
SHA256 88f2a0b582807e7cb8dce67a8bd81760c0f7f2e6329062c256cb7fe7ec7f3221
MD5 20e3de152fb8e9faf83066ab40ade91e
SHA1 3b50c622371328e87ee02a955b70a62f192d6099
SHA512 4554a97d456bbbf94db8c2044d3c7d177052fe3558645004746a7ef8f61237ed013398ab6fb79c970db4abd631003121e3167543162fd0b5118102dbfdf218c6
MD5 SHA1 SHA512

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xfkbfbn = "C:\\Users\\Public\\nbfbkfX.url"	Document.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1664	1604	WerFault.exe	29

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 2016 wrote to memory of 1604	2016	Document.exe	29
PID 1604 wrote to memory of 1664	1604	DpiScaling.exe	30
PID 1604 wrote to memory of 1664	1604	DpiScaling.exe	30
PID 1604 wrote to memory of 1664	1604	DpiScaling.exe	30
PID 1604 wrote to memory of 1664	1604	DpiScaling.exe	30

C:\Users\Admin\AppData\Local\Temp\Document.exe
"C:\Users\Admin\AppData\Local\Temp\Document.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 152
    3⤵
    - Program crash
    PID:1664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1604-56-0x0000000000080000-0x0000000000081000-memory.dmp

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memory/1604-76-0x0000000072600000-0x000000007267D000-memory.dmp

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memory/2016-54-0x0000000075D31000-0x0000000075D33000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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