61d6353b7bd72d5b604aaaeef3a0124b9cf48fe4c0411110be06380ffc868e57

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 07:30

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General

Target

61d6353b7bd72d5b604aaaeef3a0124b9cf48fe4c0411110be06380ffc868e57N.dll
Size

1.1MB
MD5

a13748b16a770a39f8ae91a67ad41d00
SHA1

3d7592a897e6ee1182f64ab5ad66025c92316975
SHA256

61d6353b7bd72d5b604aaaeef3a0124b9cf48fe4c0411110be06380ffc868e57
SHA512

4b533e426f472521fc1e94cb8b844a81e0af564a4a67c605368dedf6fce63b4af2ad828ba43f04fed799ff234996025be195a573367c94987f134f05c075f3d8
SSDEEP

12288:oQKUdt6c95KR0a0CombAxzSlP72FNIbfQlu6v46H8MNOC3L1wNot54zS5fuRDo29:oQK+kc9kT0CxySlT8NIBCt5KWADo2rfR

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2952	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2904	rundll32.exe
2904	rundll32.exe
2088	WerFault.exe
2088	WerFault.exe
2088	WerFault.exe
2088	WerFault.exe
2088	WerFault.exe
2088	WerFault.exe
2088	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
2088	2952	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 15 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2904 wrote to memory of 2952	2904	rundll32.exe	31
PID 2904 wrote to memory of 2952	2904	rundll32.exe	31
PID 2904 wrote to memory of 2952	2904	rundll32.exe	31
PID 2904 wrote to memory of 2952	2904	rundll32.exe	31
PID 2952 wrote to memory of 2088	2952	rundll32mgr.exe	32
PID 2952 wrote to memory of 2088	2952	rundll32mgr.exe	32
PID 2952 wrote to memory of 2088	2952	rundll32mgr.exe	32
PID 2952 wrote to memory of 2088	2952	rundll32mgr.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61d6353b7bd72d5b604aaaeef3a0124b9cf48fe4c0411110be06380ffc868e57N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61d6353b7bd72d5b604aaaeef3a0124b9cf48fe4c0411110be06380ffc868e57N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - 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:2952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2088

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

\Windows\SysWOW64\rundll32mgr.exe

Filesize
103KB

MD5
0ff8c1c8de1f818a51512f4d894e30d1

SHA1
bd99a343ea5ca5ebdd7207651478a8425054716a

SHA256
7cc54785e229b1605103e3219969939eb80f106e9edca3cb380917ac33526d28

SHA512
da23767aa25ba5c1bb55c338fa82b1b60853c83fd1e4af28cc023fdd1405b46717bc58137d7bfe7a3a581dcd23de0520ab6ace88434b8cf35b3a0278f516dfd2

Download Submit
memory/2904-4-0x0000000010000000-0x0000000010160000-memory.dmp

Filesize
1.4MB

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