b7fdd5d3ab5c1783460c6fc9f80643f938ad3ed85c7355c3620d2fd55730fdd5

Analysis

max time kernel
149s
max time network
160s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02-12-2022 22:48

Target

b7fdd5d3ab5c1783460c6fc9f80643f938ad3ed85c7355c3620d2fd55730fdd5.dll
Size

74KB
MD5

4f11a9324635b0fd846b072a33aa1937
SHA1

7027fe566f2925830ea793dbc29e03be28720c88
SHA256

b7fdd5d3ab5c1783460c6fc9f80643f938ad3ed85c7355c3620d2fd55730fdd5
SHA512

a7f3b943590b43b6a1cae726be1852b5869655bc211741dea96e3ff2efa82bbd56ba50f50c7821e380c00385f64dd3f72f112194b3e6afaf0b5d42b52c7b336f
SSDEEP

1536:xPyIWz3eR7rkiLYjHcij4sOU3671/PNB/Tg85wLuxkOTGD:vWb37LcJlN71HNBL95wLSkOKD

Score

6^/10

persistence

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tnozejefiqasunuf = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\b7fdd5d3ab5c1783460c6fc9f80643f938ad3ed85c7355c3620d2fd55730fdd5.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 1476	1772	rundll32.exe	28
PID 1772 wrote to memory of 1476	1772	rundll32.exe	28
PID 1772 wrote to memory of 1476	1772	rundll32.exe	28
PID 1772 wrote to memory of 1476	1772	rundll32.exe	28
PID 1772 wrote to memory of 1476	1772	rundll32.exe	28
PID 1772 wrote to memory of 1476	1772	rundll32.exe	28
PID 1772 wrote to memory of 1476	1772	rundll32.exe	28
PID 1476 wrote to memory of 760	1476	rundll32.exe	29
PID 1476 wrote to memory of 760	1476	rundll32.exe	29
PID 1476 wrote to memory of 760	1476	rundll32.exe	29
PID 1476 wrote to memory of 760	1476	rundll32.exe	29
PID 1476 wrote to memory of 760	1476	rundll32.exe	29
PID 1476 wrote to memory of 760	1476	rundll32.exe	29
PID 1476 wrote to memory of 760	1476	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7fdd5d3ab5c1783460c6fc9f80643f938ad3ed85c7355c3620d2fd55730fdd5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7fdd5d3ab5c1783460c6fc9f80643f938ad3ed85c7355c3620d2fd55730fdd5.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1476
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\b7fdd5d3ab5c1783460c6fc9f80643f938ad3ed85c7355c3620d2fd55730fdd5.dll",iep
    3⤵
    PID:760

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/760-61-0x0000000000000000-mapping.dmp

Download
memory/760-64-0x00000000007A1000-0x00000000007AE000-memory.dmp

Filesize
52KB

Download
memory/760-68-0x00000000007A1000-0x00000000007AE000-memory.dmp

Filesize
52KB

Download
memory/1476-54-0x0000000000000000-mapping.dmp

Download
memory/1476-55-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1476-56-0x0000000010001000-0x000000001000C000-memory.dmp

Filesize
44KB

Download
memory/1476-58-0x0000000010001000-0x000000001000C000-memory.dmp

Filesize
44KB

Download
memory/1476-57-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1476-60-0x0000000000841000-0x000000000084E000-memory.dmp

Filesize
52KB

Download