1f7bf238b1c8504053dd7778886900f717946991db52dc2c40da88fd6f198a0a

Analysis

max time kernel
122s
max time network
135s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01-11-2023 13:54

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General

Target

NEAS.173647afd5a70369188ffe7727d81330.exe
Size

167KB
MD5

173647afd5a70369188ffe7727d81330
SHA1

585327919a45884fe7179e15aea8741a69635810
SHA256

1f7bf238b1c8504053dd7778886900f717946991db52dc2c40da88fd6f198a0a
SHA512

6eeb0bf23d6c6d3f9eceae74d9fc9ddbe25040a6d7f3d0960d6c57add51e019540de957d3f96b39b488b997d5419ea9343d5733f9c68fde132628db3b3a6f02b
SSDEEP

3072:bXtxGT2G7Sj8GomX5VltS2gS1l8BhhGxbek1hAnwbGEUPIWmHbo4qeAYh:rnh8GomJVl82gglkGxb1taPIrHU4qe9h

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2592	zimfrwc.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\zimfrwc.exe	NEAS.173647afd5a70369188ffe7727d81330.exe
File created	C:\PROGRA~3\Mozilla\pjqvbbf.dll	zimfrwc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2592	2744	taskeng.exe	30
PID 2744 wrote to memory of 2592	2744	taskeng.exe	30
PID 2744 wrote to memory of 2592	2744	taskeng.exe	30
PID 2744 wrote to memory of 2592	2744	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\NEAS.173647afd5a70369188ffe7727d81330.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.173647afd5a70369188ffe7727d81330.exe"
1⤵
- Drops file in Program Files directory
PID:1408

C:\Windows\system32\taskeng.exe
taskeng.exe {2BB1AC0E-D3D7-4B5F-9254-DB01E9F59DF2} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\PROGRA~3\Mozilla\zimfrwc.exe
  C:\PROGRA~3\Mozilla\zimfrwc.exe -gtjzibe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2592

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

C:\PROGRA~3\Mozilla\zimfrwc.exe

Filesize
167KB

MD5
79b182b13d735b73ccde78ad4e7582a1

SHA1
a13d33642604aa69cc46c3be221a48834611d38a

SHA256
f7aea14277a2617914aedbbb14107481e5191cf4e19aec5c01715868cc31d54d

SHA512
da040a0304c849cf630887f0583a1b003a2a9e17b43daff57c262aac86b0fb9cc1e6d1920d617390d484fcf6d8d2896552d87ff0f3ab70940f473661497f2d86

Download Submit
C:\PROGRA~3\Mozilla\zimfrwc.exe

Filesize
167KB

MD5
79b182b13d735b73ccde78ad4e7582a1

SHA1
a13d33642604aa69cc46c3be221a48834611d38a

SHA256
f7aea14277a2617914aedbbb14107481e5191cf4e19aec5c01715868cc31d54d

SHA512
da040a0304c849cf630887f0583a1b003a2a9e17b43daff57c262aac86b0fb9cc1e6d1920d617390d484fcf6d8d2896552d87ff0f3ab70940f473661497f2d86

Download Submit
memory/1408-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1408-1-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1408-2-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download
memory/1408-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2592-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2592-12-0x0000000000390000-0x00000000003EB000-memory.dmp

Filesize
364KB

Download
memory/2592-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download