7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 09:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b.dll
Size

289KB
MD5

390097bf54414e0bd831d07ada42feee
SHA1

1a04dce013331d615748f43ede9db01f850acd68
SHA256

7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b
SHA512

a5bd69b0b062b22504002329c4554903646b46cb4a2b11998b18bfa14974925f722bf676bf10c9ed2e0ca5aeaa4bda99ac52b179aea17f97073c0359569eeb74
SSDEEP

6144:PCIGPj038tAgFMldWNX+DubRkLZ2+KcAfv5CSkSL:Uj038t/FMldW4DTZ2+KccC9SL

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2488	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2800	rundll32.exe
2800	rundll32.exe
3064	WerFault.exe
3064	WerFault.exe
3064	WerFault.exe
3064	WerFault.exe
3064	WerFault.exe
3064	WerFault.exe
3064	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2940	2800	WerFault.exe	30
3064	2488	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2800	2828	rundll32.exe	30
PID 2828 wrote to memory of 2800	2828	rundll32.exe	30
PID 2828 wrote to memory of 2800	2828	rundll32.exe	30
PID 2828 wrote to memory of 2800	2828	rundll32.exe	30
PID 2828 wrote to memory of 2800	2828	rundll32.exe	30
PID 2828 wrote to memory of 2800	2828	rundll32.exe	30
PID 2828 wrote to memory of 2800	2828	rundll32.exe	30
PID 2800 wrote to memory of 2488	2800	rundll32.exe	31
PID 2800 wrote to memory of 2488	2800	rundll32.exe	31
PID 2800 wrote to memory of 2488	2800	rundll32.exe	31
PID 2800 wrote to memory of 2488	2800	rundll32.exe	31
PID 2800 wrote to memory of 2940	2800	rundll32.exe	32
PID 2800 wrote to memory of 2940	2800	rundll32.exe	32
PID 2800 wrote to memory of 2940	2800	rundll32.exe	32
PID 2800 wrote to memory of 2940	2800	rundll32.exe	32
PID 2488 wrote to memory of 3064	2488	rundll32mgr.exe	33
PID 2488 wrote to memory of 3064	2488	rundll32mgr.exe	33
PID 2488 wrote to memory of 3064	2488	rundll32mgr.exe	33
PID 2488 wrote to memory of 3064	2488	rundll32mgr.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2488
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 92
      4⤵
      Loads dropped DLL
      Program crash
      PID:3064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 224
    3⤵
    - Program crash
    PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
ee77f2a82f0ada3db67768b4fb688c71

SHA1
5165e088484d73d5100a92bcfab9f6ea367407fe

SHA256
71793760f681181db3e67b9f9231b1dc67dd896b431f4b13d920d876fb8edbb9

SHA512
40e7a4dfedbbc8e936684b3bf498d2d47b05b2fe8af13f21e89dca5fac8aa1d9caa354120c4d0308295b35f9f6a9a2c2fd0eae488b33e665cb27431f3b2148f1

Download Submit
memory/2488-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2800-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2800-9-0x00000000001A0000-0x00000000001D2000-memory.dmp

Filesize
200KB

Download
memory/2800-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2800-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download