3e582f97ea1fc4110199b03697c6028908068a57f2ee1f7414d6cb8a6964a415

Analysis

max time kernel
13s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 17:16

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General

Target

3e582f97ea1fc4110199b03697c6028908068a57f2ee1f7414d6cb8a6964a415N.dll
Size

647KB
MD5

e47a4436ff05c8337500d6d3178b4400
SHA1

b252747fe8f13a45b3066fc205a22a84d0f2ee1b
SHA256

3e582f97ea1fc4110199b03697c6028908068a57f2ee1f7414d6cb8a6964a415
SHA512

dc7d304304391f158e41b8ce89c1b3da52d6e0f3a7cf040aa03b5e0c0d95a94859f95ea09a26fd5356718505682aec3393d334107115ddd14996a383250b5d48
SSDEEP

12288:YE7NiOLg18+1/hv5VEipyz7mTWWa8afR2ftuD1xbmiUFNEx:YE3+F5GipwuWWpj+kEx

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2864	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
804	rundll32.exe
804	rundll32.exe
2920	WerFault.exe
2920	WerFault.exe
2920	WerFault.exe
2920	WerFault.exe
2920	WerFault.exe
2920	WerFault.exe
2920	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
2916	804	WerFault.exe	30
2920	2864	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 2528 wrote to memory of 804	2528	rundll32.exe	30
PID 2528 wrote to memory of 804	2528	rundll32.exe	30
PID 2528 wrote to memory of 804	2528	rundll32.exe	30
PID 2528 wrote to memory of 804	2528	rundll32.exe	30
PID 2528 wrote to memory of 804	2528	rundll32.exe	30
PID 2528 wrote to memory of 804	2528	rundll32.exe	30
PID 2528 wrote to memory of 804	2528	rundll32.exe	30
PID 804 wrote to memory of 2864	804	rundll32.exe	31
PID 804 wrote to memory of 2864	804	rundll32.exe	31
PID 804 wrote to memory of 2864	804	rundll32.exe	31
PID 804 wrote to memory of 2864	804	rundll32.exe	31
PID 2864 wrote to memory of 2920	2864	rundll32mgr.exe	33
PID 2864 wrote to memory of 2920	2864	rundll32mgr.exe	33
PID 2864 wrote to memory of 2920	2864	rundll32mgr.exe	33
PID 2864 wrote to memory of 2920	2864	rundll32mgr.exe	33
PID 804 wrote to memory of 2916	804	rundll32.exe	32
PID 804 wrote to memory of 2916	804	rundll32.exe	32
PID 804 wrote to memory of 2916	804	rundll32.exe	32
PID 804 wrote to memory of 2916	804	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e582f97ea1fc4110199b03697c6028908068a57f2ee1f7414d6cb8a6964a415N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e582f97ea1fc4110199b03697c6028908068a57f2ee1f7414d6cb8a6964a415N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:804
- - 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:2864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 224
    3⤵
    - Program crash
    PID:2916

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

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Downloads

\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/804-3-0x00000000750B0000-0x0000000075158000-memory.dmp

Filesize
672KB

Download
memory/804-4-0x0000000075000000-0x00000000750A8000-memory.dmp

Filesize
672KB

Download
memory/804-2-0x0000000075010000-0x00000000750B8000-memory.dmp

Filesize
672KB

Download
memory/804-1-0x00000000750C0000-0x0000000075168000-memory.dmp

Filesize
672KB

Download
memory/804-19-0x0000000075000000-0x00000000750A8000-memory.dmp

Filesize
672KB

Download