f619484090ebbe96ee99eac61b5ba76acf3063a114b5ff1d8f1464ef98553adf

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/12/2023, 20:58

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General

Target

f7c31f9bbf574bc22b058cc67ad503f9.exe
Size

908KB
MD5

f7c31f9bbf574bc22b058cc67ad503f9
SHA1

1581e7f3b778303068451d1eaa3e309fdd9d188b
SHA256

f619484090ebbe96ee99eac61b5ba76acf3063a114b5ff1d8f1464ef98553adf
SHA512

6bacd170f5ac04617df5466677ef13963a7db4c0e5196a3716c789fc4b3cbb0b24c5a4262a52d6836fb30940fcaf419364cc1bcf309c9c9f51bcf79a9f05c366
SSDEEP

24576:8/NiRWfP4WOfJ/418E3X4ur1FYM0/5b3MomTlZx:uYUtOfJFE3X4urY5hAoY7

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2688	nzy4linWjhqSjOVfKdCq.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\nzy4linWjhqSjOVfKdCq.exe	f7c31f9bbf574bc22b058cc67ad503f9.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	f7c31f9bbf574bc22b058cc67ad503f9.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	f7c31f9bbf574bc22b058cc67ad503f9.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	2688	WerFault.exe	28

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2688	3028	f7c31f9bbf574bc22b058cc67ad503f9.exe	28
PID 3028 wrote to memory of 2688	3028	f7c31f9bbf574bc22b058cc67ad503f9.exe	28
PID 3028 wrote to memory of 2688	3028	f7c31f9bbf574bc22b058cc67ad503f9.exe	28
PID 3028 wrote to memory of 2688	3028	f7c31f9bbf574bc22b058cc67ad503f9.exe	28
PID 2688 wrote to memory of 2568	2688	nzy4linWjhqSjOVfKdCq.exe	29
PID 2688 wrote to memory of 2568	2688	nzy4linWjhqSjOVfKdCq.exe	29
PID 2688 wrote to memory of 2568	2688	nzy4linWjhqSjOVfKdCq.exe	29
PID 2688 wrote to memory of 2568	2688	nzy4linWjhqSjOVfKdCq.exe	29

C:\Users\Admin\AppData\Local\Temp\f7c31f9bbf574bc22b058cc67ad503f9.exe
"C:\Users\Admin\AppData\Local\Temp\f7c31f9bbf574bc22b058cc67ad503f9.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\nzy4linWjhqSjOVfKdCq.exe
  "C:\Windows\nzy4linWjhqSjOVfKdCq.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 552
    3⤵
    - Program crash
    PID:2568

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

C:\Windows\nzy4linWjhqSjOVfKdCq.exe

Filesize
4KB

MD5
ffe738fec012a4d42fb4ed93a308bcf2

SHA1
dd7ce6830f28f867e615c2c245b03daa26f47aa3

SHA256
9451b95d4eedd1970aad2f6d28e52f566b954e23e1c2d2647a3832b31261565d

SHA512
8e51aec890aead09276bb511a7cc46aae2d262a0f3553815e5839fb4657d9b67b30f8c6dc65e0304095f45365ed980f12c9ebd5bd0c581630c53a972ebf0f15b

Download Submit
memory/2688-15-0x00000000721F0000-0x00000000728DE000-memory.dmp

Filesize
6.9MB

Download
memory/2688-14-0x0000000000E30000-0x0000000000F1E000-memory.dmp

Filesize
952KB

Download
memory/2688-16-0x00000000049B0000-0x00000000049F0000-memory.dmp

Filesize
256KB

Download
memory/2688-17-0x0000000000350000-0x000000000036C000-memory.dmp

Filesize
112KB

Download
memory/2688-18-0x00000000721F0000-0x00000000728DE000-memory.dmp

Filesize
6.9MB

Download
memory/2688-19-0x00000000049B0000-0x00000000049F0000-memory.dmp

Filesize
256KB

Download
memory/3028-0-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/3028-1-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/3028-2-0x0000000000120000-0x0000000000160000-memory.dmp

Filesize
256KB

Download
memory/3028-13-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download