787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 18:06

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General

Target

787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe
Size

124KB
MD5

834b5880209a561a83cf9a8f6166ccd9
SHA1

db459a0ed98a6a803efb954e5ea525966541a4f2
SHA256

787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82
SHA512

d10ffcc5eec993123bcfe63c683160e362c79739560a5e883702d51d4ceee5b6e1b96147a0e035ef0ffe47473439c30c252c02f466bf31e57d535035893d0cc7
SSDEEP

1536:pNos4ZBjxaPhXv5wmTKTJMPpmn25vPp6xCoJ3fb7C:Dotcv5wqIn25v5ifbO

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1480	ekfhmw.exe

Loads dropped DLL 3 IoCs

pid	Process
1472	cmd.exe
1472	cmd.exe
1480	ekfhmw.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system.exe"	ekfhmw.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ekfhmw.exe	787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
112	787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
112	787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 1472	112	787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe	27
PID 112 wrote to memory of 1472	112	787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe	27
PID 112 wrote to memory of 1472	112	787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe	27
PID 112 wrote to memory of 1472	112	787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe	27
PID 1472 wrote to memory of 1480	1472	cmd.exe	29
PID 1472 wrote to memory of 1480	1472	cmd.exe	29
PID 1472 wrote to memory of 1480	1472	cmd.exe	29
PID 1472 wrote to memory of 1480	1472	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe
"C:\Users\Admin\AppData\Local\Temp\787f92840cefb9cc6cdfd050e1585d6faccf46ffbc618c347b059339b2516f82.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:112
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\ekfhmw.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\ekfhmw.exe
    C:\Windows\system32\ekfhmw.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    PID:1480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\ekfhmw.exe

Filesize
46KB

MD5
d95e464236547d09729acf432377a32f

SHA1
0ea5b827656c1927fe9cdba258b8eb9959ebb4b4

SHA256
4befb756c7f98bc5ea05f99b9f6640d903693d0acca78ea755f21913f16aefee

SHA512
2b4757009b794a3bb95617c13242b86ab65dd3f77bfffe6c3a592cb815fff1468b9c82cda04f4bd71d3d2f373d3c506ca53766aea00c6970e3fe97b2e0d8c123

Download Submit
C:\Windows\SysWOW64\ekfhmw.exe

Filesize
46KB

MD5
d95e464236547d09729acf432377a32f

SHA1
0ea5b827656c1927fe9cdba258b8eb9959ebb4b4

SHA256
4befb756c7f98bc5ea05f99b9f6640d903693d0acca78ea755f21913f16aefee

SHA512
2b4757009b794a3bb95617c13242b86ab65dd3f77bfffe6c3a592cb815fff1468b9c82cda04f4bd71d3d2f373d3c506ca53766aea00c6970e3fe97b2e0d8c123

Download Submit
\Users\Admin\AppData\Local\Temp\2D58.tmp

Filesize
1.7MB

MD5
b5eb5bd3066959611e1f7a80fd6cc172

SHA1
6fb1532059212c840737b3f923a9c0b152c0887a

SHA256
1ffb68a66f28f604adcae9c135f8dcf301316ab7fda8ebd294583c56dd26f7cc

SHA512
6c0743e0ff4922e859ba66b68040ab994dbae33e80c63ce8c993ad31a0c7aad6c6467484da1550063214953cd641dbf597438dd0c02f24164505d88ca80ea1b6

Download Submit
\Windows\SysWOW64\ekfhmw.exe

Filesize
46KB

MD5
d95e464236547d09729acf432377a32f

SHA1
0ea5b827656c1927fe9cdba258b8eb9959ebb4b4

SHA256
4befb756c7f98bc5ea05f99b9f6640d903693d0acca78ea755f21913f16aefee

SHA512
2b4757009b794a3bb95617c13242b86ab65dd3f77bfffe6c3a592cb815fff1468b9c82cda04f4bd71d3d2f373d3c506ca53766aea00c6970e3fe97b2e0d8c123

Download Submit
\Windows\SysWOW64\ekfhmw.exe

Filesize
46KB

MD5
d95e464236547d09729acf432377a32f

SHA1
0ea5b827656c1927fe9cdba258b8eb9959ebb4b4

SHA256
4befb756c7f98bc5ea05f99b9f6640d903693d0acca78ea755f21913f16aefee

SHA512
2b4757009b794a3bb95617c13242b86ab65dd3f77bfffe6c3a592cb815fff1468b9c82cda04f4bd71d3d2f373d3c506ca53766aea00c6970e3fe97b2e0d8c123

Download Submit
memory/1480-61-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download