437930c17751a51b5f4b2c1c72be3c7ea242db40bff3379b90836946f5af05c1

General

Target

aa40c9905b57a9dab6b2f456da35ac60N.exe
Size

448KB
MD5

aa40c9905b57a9dab6b2f456da35ac60
SHA1

cf0a5ba2efa34ca1ec0134ab4a362abd597c6b51
SHA256

437930c17751a51b5f4b2c1c72be3c7ea242db40bff3379b90836946f5af05c1
SHA512

4fbd823d7dca3ec6e7aaa5d7ebaf431fbe6f1361efe290c04bd58dd4bad3ac82763d49a8eebc5b1f46c23786eb6db98e50145732ecc59902a9dad97227002028
SSDEEP

6144:jpXekvI3Hw1xiLUmKyIxLDXXoq9FJZCUmKyIxL:Zt832XXf9Do3

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	aa40c9905b57a9dab6b2f456da35ac60N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	aa40c9905b57a9dab6b2f456da35ac60N.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Liipnb32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	Liipnb32.exe

Executes dropped EXE 2 IoCs

pid	Process
3036	Liipnb32.exe
2120	Lepaccmo.exe

Loads dropped DLL 8 IoCs

pid	Process
2376	aa40c9905b57a9dab6b2f456da35ac60N.exe
2376	aa40c9905b57a9dab6b2f456da35ac60N.exe
3036	Liipnb32.exe
3036	Liipnb32.exe
2620	WerFault.exe
2620	WerFault.exe
2620	WerFault.exe
2620	WerFault.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Liipnb32.exe	aa40c9905b57a9dab6b2f456da35ac60N.exe
File opened for modification	C:\Windows\SysWOW64\Liipnb32.exe	aa40c9905b57a9dab6b2f456da35ac60N.exe
File created	C:\Windows\SysWOW64\Iaimld32.dll	aa40c9905b57a9dab6b2f456da35ac60N.exe
File created	C:\Windows\SysWOW64\Lepaccmo.exe	Liipnb32.exe
File opened for modification	C:\Windows\SysWOW64\Lepaccmo.exe	Liipnb32.exe
File created	C:\Windows\SysWOW64\Oldhgaef.dll	Liipnb32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2620	2120	WerFault.exe	31

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	aa40c9905b57a9dab6b2f456da35ac60N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Liipnb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Lepaccmo.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	aa40c9905b57a9dab6b2f456da35ac60N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	aa40c9905b57a9dab6b2f456da35ac60N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Oldhgaef.dll"	Liipnb32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	aa40c9905b57a9dab6b2f456da35ac60N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	aa40c9905b57a9dab6b2f456da35ac60N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}	aa40c9905b57a9dab6b2f456da35ac60N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Iaimld32.dll"	aa40c9905b57a9dab6b2f456da35ac60N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	Liipnb32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	Liipnb32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 3036	2376	aa40c9905b57a9dab6b2f456da35ac60N.exe	30
PID 2376 wrote to memory of 3036	2376	aa40c9905b57a9dab6b2f456da35ac60N.exe	30
PID 2376 wrote to memory of 3036	2376	aa40c9905b57a9dab6b2f456da35ac60N.exe	30
PID 2376 wrote to memory of 3036	2376	aa40c9905b57a9dab6b2f456da35ac60N.exe	30
PID 3036 wrote to memory of 2120	3036	Liipnb32.exe	31
PID 3036 wrote to memory of 2120	3036	Liipnb32.exe	31
PID 3036 wrote to memory of 2120	3036	Liipnb32.exe	31
PID 3036 wrote to memory of 2120	3036	Liipnb32.exe	31
PID 2120 wrote to memory of 2620	2120	Lepaccmo.exe	32
PID 2120 wrote to memory of 2620	2120	Lepaccmo.exe	32
PID 2120 wrote to memory of 2620	2120	Lepaccmo.exe	32
PID 2120 wrote to memory of 2620	2120	Lepaccmo.exe	32

C:\Users\Admin\AppData\Local\Temp\aa40c9905b57a9dab6b2f456da35ac60N.exe
"C:\Users\Admin\AppData\Local\Temp\aa40c9905b57a9dab6b2f456da35ac60N.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\SysWOW64\Liipnb32.exe
  C:\Windows\system32\Liipnb32.exe
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Windows\SysWOW64\Lepaccmo.exe
    C:\Windows\system32\Lepaccmo.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2120
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 140
      4⤵
      Loads dropped DLL
      Program crash
      PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\Lepaccmo.exe

Filesize
448KB

MD5
509a490e7a96a1ff6620f6ffde7f1a6c

SHA1
de4ee6b6d86dc7f4ce573126f97c8bb56def120c

SHA256
85e7e7ac707621d3e446f31ef6add41e7a517be4ef609a3d779121c73a03dba5

SHA512
f6f93feb4aba62c0fe238cfa50e47476ef5bb9523cd90d6a1de6e362f8c0ee4d1d9d35c0982ad756f79e1cccd0cfb67dfa59be406914a5b046958f2cbf6c14d4

Download Submit
\Windows\SysWOW64\Liipnb32.exe

Filesize
448KB

MD5
6a3fd7797cf943d2d98b23dfb872cb28

SHA1
8f5c6ae5073d40eaadf3d45f1fff17dafbd704a2

SHA256
4771c6ba331169d60ff11cd686e6037d3ae5ef90c667396f3d138f5b48bdebbf

SHA512
68513238166e8acc8aae4963fa59f3012309516eaebadd5cc091512514f573aeb4715a79495f7d98a173c4cdf3a2c633cdb1f7e712044631d20c738315fea493

Download Submit
memory/2120-28-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2120-50-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2376-0-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2376-14-0x00000000002D0000-0x0000000000330000-memory.dmp

Filesize
384KB

Download
memory/2376-12-0x00000000002D0000-0x0000000000330000-memory.dmp

Filesize
384KB

Download
memory/2376-40-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3036-19-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3036-27-0x0000000000220000-0x0000000000280000-memory.dmp

Filesize
384KB

Download
memory/3036-44-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads