ac6ff653497ef0da394e6485c2a29b584c602ae1fbed0a5327737e756045cc68

Analysis

max time kernel
146s
max time network
155s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
13-07-2024 18:45

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General

Target

cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
Size

1.6MB
MD5

692501c99354b87d72bbc59ac26d027d
SHA1

cf3610e817c000061c5cb7ebfec7d22454720b5f
SHA256

8a325f37b83150b3838e8ac5df800583c0310d227f9e75cc7b1bff97d9acbb96
SHA512

b35e160606c814686e4eb9f83b5b0b6f1fc1d8ba60b5ae4532091497357cd5bf383bb208461f4e241da8f1429a3f6b237e70bd4dd6179471e8eb6d7534996a0b
SSDEEP

6144:e1vLpUg/i67ut9enDleqNjCHiHJKuuuuuuuduuuuuuu/uuuuuuu3QgYaQscx/1XR:e11Lut9YlJNj2ipagNj2ipagNj2ipat

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

Processes:

engnshims.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	engnshims.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

cf3610e817c000061c5cb7ebfec7d22454720b5f.execf3610e817c000061c5cb7ebfec7d22454720b5f.exeengnshims.exeengnshims.exe

pid	process
3404	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
3404	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
3532	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
3532	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
5076	engnshims.exe
5076	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe
4880	engnshims.exe

Suspicious behavior: GetForegroundWindowSpam 4 IoCs

Processes:

cf3610e817c000061c5cb7ebfec7d22454720b5f.execf3610e817c000061c5cb7ebfec7d22454720b5f.exeengnshims.exeengnshims.exe

pid process

3404 cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
3532 cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
5076 engnshims.exe
4880 engnshims.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

cf3610e817c000061c5cb7ebfec7d22454720b5f.exe

pid process

3532 cf3610e817c000061c5cb7ebfec7d22454720b5f.exe

pid	process
3532	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cf3610e817c000061c5cb7ebfec7d22454720b5f.exeengnshims.exe

description	pid	process	target process
PID 3404 wrote to memory of 3532	3404	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
PID 3404 wrote to memory of 3532	3404	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
PID 3404 wrote to memory of 3532	3404	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe	cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
PID 5076 wrote to memory of 4880	5076	engnshims.exe	engnshims.exe
PID 5076 wrote to memory of 4880	5076	engnshims.exe	engnshims.exe
PID 5076 wrote to memory of 4880	5076	engnshims.exe	engnshims.exe

C:\Users\Admin\AppData\Local\Temp\cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
"C:\Users\Admin\AppData\Local\Temp\cf3610e817c000061c5cb7ebfec7d22454720b5f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3404

C:\Users\Admin\AppData\Local\Temp\cf3610e817c000061c5cb7ebfec7d22454720b5f.exe
"C:\Users\Admin\AppData\Local\Temp\cf3610e817c000061c5cb7ebfec7d22454720b5f.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
PID:3532

C:\Windows\SysWOW64\engnshims.exe
"C:\Windows\SysWOW64\engnshims.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:5076

C:\Windows\SysWOW64\engnshims.exe
"C:\Windows\SysWOW64\engnshims.exe"
2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:4880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3404-6-0x00000000050B0000-0x00000000050C9000-memory.dmp

Filesize
100KB

Download
memory/3404-2-0x00000000050B0000-0x00000000050C9000-memory.dmp

Filesize
100KB

Download
memory/3404-8-0x00000000050D0000-0x00000000050F0000-memory.dmp

Filesize
128KB

Download
memory/3404-7-0x0000000005090000-0x00000000050A9000-memory.dmp

Filesize
100KB

Download
memory/3532-15-0x00000000035A0000-0x00000000035B9000-memory.dmp

Filesize
100KB

Download
memory/3532-17-0x00000000035C0000-0x00000000035E0000-memory.dmp

Filesize
128KB

Download
memory/3532-16-0x0000000003580000-0x0000000003599000-memory.dmp

Filesize
100KB

Download
memory/3532-11-0x00000000035A0000-0x00000000035B9000-memory.dmp

Filesize
100KB

Download
memory/3532-38-0x0000000003580000-0x0000000003599000-memory.dmp

Filesize
100KB

Download
memory/3532-37-0x0000000001000000-0x0000000001023000-memory.dmp

Filesize
140KB

Download
memory/4880-34-0x0000000000FC0000-0x0000000000FD9000-memory.dmp

Filesize
100KB

Download
memory/4880-29-0x0000000000FE0000-0x0000000000FF9000-memory.dmp

Filesize
100KB

Download
memory/4880-33-0x0000000000FE0000-0x0000000000FF9000-memory.dmp

Filesize
100KB

Download
memory/4880-35-0x0000000003590000-0x00000000035B0000-memory.dmp

Filesize
128KB

Download
memory/4880-39-0x0000000000FC0000-0x0000000000FD9000-memory.dmp

Filesize
100KB

Download
memory/5076-20-0x0000000003070000-0x0000000003089000-memory.dmp

Filesize
100KB

Download
memory/5076-24-0x0000000003070000-0x0000000003089000-memory.dmp

Filesize
100KB

Download
memory/5076-36-0x0000000003050000-0x0000000003069000-memory.dmp

Filesize
100KB

Download
memory/5076-25-0x0000000003050000-0x0000000003069000-memory.dmp

Filesize
100KB

Download
memory/5076-26-0x0000000003090000-0x00000000030B0000-memory.dmp

Filesize
128KB

Download