5ebe6ba38668bf9ea005de9cd192b5e6fb0c35021c525a53a0a9bf016fcb010e

General

Target

5ebe6ba38668bf9ea005de9cd192b5e6fb0c35021c525a53a0a9bf016fcb010eN.dll
Size

2.0MB
MD5

a87f0d53886f70aa71ad233d561e0200
SHA1

3d87d32cc8e1245be6a6ed80aa753ef115ecb2f4
SHA256

5ebe6ba38668bf9ea005de9cd192b5e6fb0c35021c525a53a0a9bf016fcb010e
SHA512

176a2e81440ce5cfac83ec6e40b24144b62e2f481e97937e8d275090bf2b246a4810fb29e3add0d45698d7854958153af69d060cb9908c686a3e6861001b0d5c
SSDEEP

24576:L7IY7a9IRCRqRPkHQo411810cNScGKJydXTZDwmzRMo3DP7x5nbiQj2k70gBZzos:/IY5RMHMf810Knor5zqo3zNJuQj7jMs

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1784	rundll32mgr.exe
2300	rundll32mgrmgr.exe

Loads dropped DLL 18 IoCs

pid	Process
2196	rundll32.exe
2196	rundll32.exe
1784	rundll32mgr.exe
1784	rundll32mgr.exe
2348	WerFault.exe
2348	WerFault.exe
2348	WerFault.exe
2348	WerFault.exe
2348	WerFault.exe
2348	WerFault.exe
2352	WerFault.exe
2352	WerFault.exe
2352	WerFault.exe
2352	WerFault.exe
2352	WerFault.exe
2352	WerFault.exe
2352	WerFault.exe
2348	WerFault.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe
File created	C:\Windows\SysWOW64\rundll32mgrmgr.exe	rundll32mgr.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1252	2196	WerFault.exe	30
2352	2300	WerFault.exe
2348	1784	WerFault.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgrmgr.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2196	1972	rundll32.exe	30
PID 1972 wrote to memory of 2196	1972	rundll32.exe	30
PID 1972 wrote to memory of 2196	1972	rundll32.exe	30
PID 1972 wrote to memory of 2196	1972	rundll32.exe	30
PID 1972 wrote to memory of 2196	1972	rundll32.exe	30
PID 1972 wrote to memory of 2196	1972	rundll32.exe	30
PID 1972 wrote to memory of 2196	1972	rundll32.exe	30
PID 2196 wrote to memory of 1784	2196	rundll32.exe	31
PID 2196 wrote to memory of 1784	2196	rundll32.exe	31
PID 2196 wrote to memory of 1784	2196	rundll32.exe	31
PID 2196 wrote to memory of 1784	2196	rundll32.exe	31
PID 1784 wrote to memory of 2300	1784	rundll32mgr.exe	32
PID 1784 wrote to memory of 2300	1784	rundll32mgr.exe	32
PID 1784 wrote to memory of 2300	1784	rundll32mgr.exe	32
PID 1784 wrote to memory of 2300	1784	rundll32mgr.exe	32
PID 1784 wrote to memory of 2348	1784	rundll32mgr.exe	33
PID 1784 wrote to memory of 2348	1784	rundll32mgr.exe	33
PID 1784 wrote to memory of 2348	1784	rundll32mgr.exe	33
PID 1784 wrote to memory of 2348	1784	rundll32mgr.exe	33
PID 2300 wrote to memory of 2352	2300	rundll32mgrmgr.exe	34
PID 2300 wrote to memory of 2352	2300	rundll32mgrmgr.exe	34
PID 2300 wrote to memory of 2352	2300	rundll32mgrmgr.exe	34
PID 2300 wrote to memory of 2352	2300	rundll32mgrmgr.exe	34
PID 2196 wrote to memory of 1252	2196	rundll32.exe	35
PID 2196 wrote to memory of 1252	2196	rundll32.exe	35
PID 2196 wrote to memory of 1252	2196	rundll32.exe	35
PID 2196 wrote to memory of 1252	2196	rundll32.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ebe6ba38668bf9ea005de9cd192b5e6fb0c35021c525a53a0a9bf016fcb010eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ebe6ba38668bf9ea005de9cd192b5e6fb0c35021c525a53a0a9bf016fcb010eN.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1784
  - - C:\Windows\SysWOW64\rundll32mgrmgr.exe
      C:\Windows\SysWOW64\rundll32mgrmgr.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2300
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 156
        5⤵
        Loads dropped DLL
        Program crash
        
        PID:2352
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 152
      4⤵
      Loads dropped DLL
      Program crash
      PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 228
    3⤵
    - Program crash
    PID:1252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgrmgr.exe

Filesize
123KB

MD5
9f2ac7383413965045aa13a4705a8d99

SHA1
7add11d19bea49fcbb6cdf315d71477a11998e8d

SHA256
0cf6926cc791b40eede351eef639396100282ea612fcb42bda9c8096e069908b

SHA512
e90cc32e2bda5446000ddd816ef47f683804a4042fce1ce5bb5e58c37ece4498736eda9126f4c992dd6c6eba3936e392d1250c1c5dcd6cafa80eb9ee5ad0d377

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
249KB

MD5
137e9937fd71061c0e4a06812b009177

SHA1
73770a377c2f24584c9fe9084a5c4364a54ddbf8

SHA256
b6301b1793aca7b2fa9a589880f4e9454647d9d16b8edcac39b319349ae87d86

SHA512
13b1fcd197b9147ab7385f29eca585a50a4da12152ad89129712a653336eeb133c3ddb9e0db6cb233e45d96bcfea5ed65b1193114746acc2d92820e682df414c

Download Submit
memory/1784-20-0x00000000000B0000-0x00000000000DF000-memory.dmp

Filesize
188KB

Download
memory/1784-39-0x00000000000B0000-0x00000000000DF000-memory.dmp

Filesize
188KB

Download
memory/1784-40-0x00000000000B0000-0x00000000000DF000-memory.dmp

Filesize
188KB

Download
memory/1784-19-0x00000000000B0000-0x00000000000DF000-memory.dmp

Filesize
188KB

Download
memory/1784-22-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2196-21-0x0000000000280000-0x00000000002CF000-memory.dmp

Filesize
316KB

Download
memory/2196-18-0x0000000000280000-0x00000000002CF000-memory.dmp

Filesize
316KB

Download
memory/2196-38-0x0000000000280000-0x00000000002CF000-memory.dmp

Filesize
316KB

Download
memory/2196-12-0x0000000010000000-0x0000000010389000-memory.dmp

Filesize
3.5MB

Download
memory/2196-7-0x0000000010000000-0x0000000010389000-memory.dmp

Filesize
3.5MB

Download
memory/2196-41-0x0000000000280000-0x00000000002CF000-memory.dmp

Filesize
316KB

Download
memory/2300-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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