5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02-10-2022 13:26

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General

Target

5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe
Size

96KB
MD5

6d4d177c4b389d929f3af6dc16860c6c
SHA1

d036d0061e673cdfe1dd5a9095ca2c07ab669525
SHA256

5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2
SHA512

aa4bfc71487c5eaea2efec1973f115a13f39ea7f229866368b073f1e5f847cc8777f92df50fef133503d74fd5172354fc43dc603250feedf1372eff7f0c70c9a
SSDEEP

1536:qgE0XucRgYClJIElJSs2B7JXrAB1772nzC/UFEEm:qgEOucqlJ7lJduZAB17iu/UFEEm

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2 = "c:\\windows\\5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe -m"	5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe	5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe
File opened for modification	\??\c:\windows\5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe	5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
532	5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
532	5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe

C:\Users\Admin\AppData\Local\Temp\5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe
"C:\Users\Admin\AppData\Local\Temp\5a0775a8a2b514a7aef796ac0e4005d31f575b00371846cfb9a64bc1fc51b4e2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:532

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/532-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

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