992d1bdceea537bee02afe009e3c6b7b84a416277c2182c4bf1e1bf019eaf82f

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 15:59

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General

Target

74eaa5f66d8c19528d8f3c25d3d42199.exe
Size

811KB
MD5

74eaa5f66d8c19528d8f3c25d3d42199
SHA1

334d9e0f34294d7ec994afdb30bb1af1b7d012e9
SHA256

992d1bdceea537bee02afe009e3c6b7b84a416277c2182c4bf1e1bf019eaf82f
SHA512

760121985ff5cc79d18d1b0a57a1a9c858baea39dfa0b80a57223633dc2acb96817bc95b67ff36ffd1657f5157606b91272d711db4bd21f6829e51e1f7dc614a
SSDEEP

24576:If9Bs3450vt48uMwC2RvTNysh4Z1GzsprO:Ifs3DvtGKYv54ZKsBO

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

74eaa5f66d8c19528d8f3c25d3d42199.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\wsass32 = "C:\\Windows\\system32\\wsass32.exe"	74eaa5f66d8c19528d8f3c25d3d42199.exe

Drops file in System32 directory 2 IoCs

Processes:

74eaa5f66d8c19528d8f3c25d3d42199.exe

description	ioc	process
File created	C:\Windows\SysWOW64\wsass32.exe	74eaa5f66d8c19528d8f3c25d3d42199.exe
File opened for modification	C:\Windows\SysWOW64\wsass32.exe	74eaa5f66d8c19528d8f3c25d3d42199.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

74eaa5f66d8c19528d8f3c25d3d42199.exe

pid process

1964 74eaa5f66d8c19528d8f3c25d3d42199.exe

pid	process
1964	74eaa5f66d8c19528d8f3c25d3d42199.exe

C:\Users\Admin\AppData\Local\Temp\74eaa5f66d8c19528d8f3c25d3d42199.exe
"C:\Users\Admin\AppData\Local\Temp\74eaa5f66d8c19528d8f3c25d3d42199.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
PID:1964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1964-0-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1964-2-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/1964-4-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download