d01d468b1a708cdd63e86e00990dcb996eca66807175975fd139a3da4ec4b038

Analysis

max time kernel
4294180s
max time network
138s
platform
windows7_x64
resource
win7-20220310-en
submitted
25/03/2022, 13:44

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General

Target

WAYBILL.exe
Size

1.0MB
MD5

a7c29d968ed68f24747b39f1bcec2705
SHA1

0a30a96b8a155f03516812df1e4bffebeadca698
SHA256

db5a12184d9b6acdf484a88b3e65aa9435f8a9d7eda48418aef2d028b98913d4
SHA512

9b6a70d28e4ab26e7b0c4ae79b4a1211da45af13aaf5eb27d0eb6080f520e47dea134a2d45f6ab3caef4e04c363e4bafbc9589404a146e478c9e68b4d36d6729

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-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yjuheuz = "C:\\Users\\Public\\zuehujY.url"	WAYBILL.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1492	1796	WerFault.exe	31

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1084 wrote to memory of 1796	1084	WAYBILL.exe	31
PID 1796 wrote to memory of 1492	1796	DpiScaling.exe	32
PID 1796 wrote to memory of 1492	1796	DpiScaling.exe	32
PID 1796 wrote to memory of 1492	1796	DpiScaling.exe	32
PID 1796 wrote to memory of 1492	1796	DpiScaling.exe	32

C:\Users\Admin\AppData\Local\Temp\WAYBILL.exe
"C:\Users\Admin\AppData\Local\Temp\WAYBILL.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 152
    3⤵
    - Program crash
    PID:1492

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

Replay Monitor

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Downloads

memory/1084-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1796-56-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1796-76-0x0000000010590000-0x000000001060D000-memory.dmp

Filesize
500KB

Download