63f8ba4cfce6ea09b3596df907c15243479550a84334e6240080cf5581fe0627

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 19:43

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General

Target

63f8ba4cfce6ea09b3596df907c15243479550a84334e6240080cf5581fe0627N.dll
Size

188KB
MD5

22d1cfd40b4a31eb48ae8418c2e7e120
SHA1

3d9ef1a1d1a5ca2e7aa746f008cf57cf2eefa60c
SHA256

63f8ba4cfce6ea09b3596df907c15243479550a84334e6240080cf5581fe0627
SHA512

11ea1f99fbcba8ea66ad52bac0e480ed937dc4910dc9efd4698a578f249908cc8dd1ca69a91808816c59995eb08c597e4c1b4388a1555358846e37dc1a6264f8
SSDEEP

3072:wkk/wxp+etRwew56OxxejSGuBoBp2QzrZHBMtYsIrfy9Qi:zDHA6dj1BrZHutWrfc

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
616	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
1980	rundll32.exe
1980	rundll32.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2972	616	WerFault.exe	32

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 15 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 1980	2948	rundll32.exe	31
PID 2948 wrote to memory of 1980	2948	rundll32.exe	31
PID 2948 wrote to memory of 1980	2948	rundll32.exe	31
PID 2948 wrote to memory of 1980	2948	rundll32.exe	31
PID 2948 wrote to memory of 1980	2948	rundll32.exe	31
PID 2948 wrote to memory of 1980	2948	rundll32.exe	31
PID 2948 wrote to memory of 1980	2948	rundll32.exe	31
PID 1980 wrote to memory of 616	1980	rundll32.exe	32
PID 1980 wrote to memory of 616	1980	rundll32.exe	32
PID 1980 wrote to memory of 616	1980	rundll32.exe	32
PID 1980 wrote to memory of 616	1980	rundll32.exe	32
PID 616 wrote to memory of 2972	616	rundll32mgr.exe	33
PID 616 wrote to memory of 2972	616	rundll32mgr.exe	33
PID 616 wrote to memory of 2972	616	rundll32mgr.exe	33
PID 616 wrote to memory of 2972	616	rundll32mgr.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\63f8ba4cfce6ea09b3596df907c15243479550a84334e6240080cf5581fe0627N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\63f8ba4cfce6ea09b3596df907c15243479550a84334e6240080cf5581fe0627N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1980
- - 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:616
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 156
      4⤵
      Loads dropped DLL
      Program crash
      PID:2972

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

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
59KB

MD5
0e0f0ae845d89c22bb6385f64a6b85fd

SHA1
0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

SHA256
5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

SHA512
baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

Download Submit
memory/1980-8-0x0000000010000000-0x0000000010067000-memory.dmp

Filesize
412KB

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