54d76eb4b28540b6128b4584a72483b0c6b9ae8ac7c4dff86ab82ea79f852965

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 17:43

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General

Target

7adf22a13d707fb957753d4a1c573f54.dll
Size

76KB
MD5

7adf22a13d707fb957753d4a1c573f54
SHA1

073c4800dec3bb2cb42186c848348b322a6fa2f9
SHA256

54d76eb4b28540b6128b4584a72483b0c6b9ae8ac7c4dff86ab82ea79f852965
SHA512

36f0334507211fa9e11583f83b3bb7cbde1dd8909c995d673825373e41db14d6ec6bcbbae13ae5f41e40a59cb4b446afa6cf2d68c36484296b98dea205459fab
SSDEEP

1536:tPVXc2ieNWzTy+c3FXKQmJ7Ugo+c0Qw1ci:tdX3NWS+0cRUgo+cici

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2756	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1684	rundll32.exe
1684	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1684	2596	rundll32.exe	28
PID 2596 wrote to memory of 1684	2596	rundll32.exe	28
PID 2596 wrote to memory of 1684	2596	rundll32.exe	28
PID 2596 wrote to memory of 1684	2596	rundll32.exe	28
PID 2596 wrote to memory of 1684	2596	rundll32.exe	28
PID 2596 wrote to memory of 1684	2596	rundll32.exe	28
PID 2596 wrote to memory of 1684	2596	rundll32.exe	28
PID 1684 wrote to memory of 2292	1684	rundll32.exe	29
PID 1684 wrote to memory of 2292	1684	rundll32.exe	29
PID 1684 wrote to memory of 2292	1684	rundll32.exe	29
PID 1684 wrote to memory of 2292	1684	rundll32.exe	29
PID 2292 wrote to memory of 2756	2292	cmd.exe	31
PID 2292 wrote to memory of 2756	2292	cmd.exe	31
PID 2292 wrote to memory of 2756	2292	cmd.exe	31
PID 2292 wrote to memory of 2756	2292	cmd.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7adf22a13d707fb957753d4a1c573f54.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7adf22a13d707fb957753d4a1c573f54.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2292
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:2756

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/1684-0-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

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