aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d

General

Target
aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
Size 49KB
Sample260913-j9xpashb67
SHA256 aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d
MD5 ca73bcc915bdcc371b34cfdd08b941e8
SHA1 4451710770244fbde75cc97e1c9ec8a1bdfb4788
SHA512 b5c8184379aba05d82dd947432b7b1d04f0020004cb8a3e97b1fd4029d548c8c266c268e2aa94b325726d741a60627b6a04f8543db816a06ad24aafba51dcb3d
SSDEEP 768:E/EA+elap4nNM8+R6N5HzHa86fsWCCrM4189/1H5M2Xdnh7:E/7+eltm8Y6jHO86sCDe3rl
TLSH
T12C33D53B62D040F2C05E4C7221F61BBBEAB285B557AE2D05D744C371EAB25CADA3634D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery persistence

Malware Config

Signatures

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe

Executes dropped EXE 1 IoCs

pid	Process
4684	Ecpomiok.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Ecpomiok.exe	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
File created	C:\Windows\SysWOW64\Jlcnoajl.dll	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
File created	C:\Windows\SysWOW64\Ecpomiok.exe	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4724	4684	WerFault.exe	83

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	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ecpomiok.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Jlcnoajl.dll"	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 4684	2956	aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe	83

C:\Users\Admin\AppData\Local\Temp\aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe
"C:\Users\Admin\AppData\Local\Temp\aec598d4322a7c9c71a5fbdeb11b4bb46f75445aa091dcbcc4665627c72bc38d.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SysWOW64\Ecpomiok.exe
  C:\Windows\system32\Ecpomiok.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 400
    3⤵
    - Program crash
    PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4684 -ip 4684
1⤵
PID:4748

Network

MITRE ATT&CK Enterprise v16

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

Ecpomiok.exe

Path C:\Windows\SysWOW64\Ecpomiok.exe
Size 49KB
SHA256 3018fde131d81d22d63cb9e28ae877b4ff76abe62f9610c4bb0a68f0e5d49c49
MD5 de167315a987317958f3da76691b2534
SHA1 3a40a898a88d35770b4a48bc81a430203e57d6d5
SHA512 ca7051936a649f2cb6042aa052779f0d13363181ccce8973f5cc6bae468365d2ac773b3e9e7b8c02e2089ff8421b1f005277f869255e1776135bd7abcd1f8b09
SSDEEP 768:E51G7jpB3ADI+iz8EJXiGPTRfLyPoR4TfhPRAXcQYqfJ55wMVYAU/1H5+2Xdnh7:ErG79B3pL8E1P9DyDT5PfiJ55wMjqhl
TLSH
T112334BD790BF6769C4DB3C7AB6C60BE9264401ED4B7B6EE7D181A2109E366CFC2604C1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2956-0-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/2956-1-0x000000000042F000-0x0000000000430000-memory.dmp

Download

memory/2956-12-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/4684-8-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/4684-10-0x0000000000400000-0x0000000000430000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads