3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220331-en
submitted
04-04-2022 15:10

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General

Target

3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe
Size

13KB
MD5

42185387a28ac337a7de89eee98174f2
SHA1

69b95a54c23a37953486e5bc2d221ee562a096a8
SHA256

3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad
SHA512

b4f743cbf272dc39d82dd296782e0e13257a73fedd03f584f1e333c5c6225620035a70491ede949f54e3abb562139f215707a0fa2b67854f12a796fec31b47cf

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

Processes:

3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\RunOnce2Upd = "\"C:\\Windows\\system32\\KB_963493.exe\""	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

Drops file in Windows directory 3 IoCs

Processes:

3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

description	ioc	process
File created	C:\Windows\system32RunOnce2.t__	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe
File opened for modification	C:\Windows\system32RunOnce2.tm_	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe
File created	C:\Windows\system32RunOnce2.tm_	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1324 2032 WerFault.exe 3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

pid process

2032 3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

pid	pid_target	process	target process
1324	2032	WerFault.exe	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

pid	process
2032	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe

description	pid	process	target process
PID 2032 wrote to memory of 1324	2032	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe	WerFault.exe
PID 2032 wrote to memory of 1324	2032	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe	WerFault.exe
PID 2032 wrote to memory of 1324	2032	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe	WerFault.exe
PID 2032 wrote to memory of 1324	2032	3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe
"C:\Users\Admin\AppData\Local\Temp\3473cea449000e46e3496f325a1109014022d8c4858fdcd659d8e0d3398f74ad.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 704
2⤵
- Program crash
PID:1324

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1324-55-0x0000000000000000-mapping.dmp

Download
memory/2032-54-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

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