9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79

Analysis

max time kernel
117s
max time network
147s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 06:14

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General

Target

9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79.exe
Size

124KB
MD5

ded0058127ad7c47d1b7b4891b11ea89
SHA1

2a846ae5e99a7082c737822f8f77886f0d94aa02
SHA256

9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79
SHA512

9bcf9195039e61da850ba09b3acfc226a4d93a2a8a1f22d86204de7c129a22a2877853280183dc02dd8dca8f42557bd042e3cc357eb2e93fe73824f99085dbbc
SSDEEP

768:pXVYSxMa43slrK0ZBNyqEsR7LW8SR7LW8HENOTetxubYZAPuViLuk2Cis:plTxQzbsRKjRKAVTkQss3Os

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\???????\yst.exe	9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
896	9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79.exe
896	9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79.exe
896	9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79.exe

C:\Users\Admin\AppData\Local\Temp\9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79.exe
"C:\Users\Admin\AppData\Local\Temp\9f59494c3f0724624f26cdc4bec6c24104fb1a0cc80e8057b314619b5e597d79.exe"
1⤵
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/896-56-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

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