c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb

Analysis

max time kernel
140s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/04/2024, 02:54

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General

Target

c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe
Size

38KB
MD5

37bc054bbf98b2689b444b173afab8c0
SHA1

9e6f9d5c8714667259377ffcdadae128a7c43e98
SHA256

c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb
SHA512

0f2be68977636ffdd1c49ca96e5f5604ffb6de02065ac4e45e4a8331b2abc339315d59c76d5cc235c762cb8aff38aa6e4c1bfa7ef5245b60039169641e7f97b7
SSDEEP

768:6c3C4zd6wl2oVZ3eNU6+qbs8ERJe4vzNT6oG57pHHIzniSfRZt+fkyR+i4HvG0T:6OHdYoVZuNUsdJmNLmHIzniSfrtu94HF

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2392	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	winmain.exe

Adds Run key to start application 2 TTPs 1 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\Run\_WinMain = "C:\\Windows\\winmain.exe"	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\winmain.exe	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1636	2844	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe	28
PID 2844 wrote to memory of 1636	2844	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe	28
PID 2844 wrote to memory of 1636	2844	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe	28
PID 2844 wrote to memory of 1636	2844	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe	28
PID 2844 wrote to memory of 2392	2844	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe	29
PID 2844 wrote to memory of 2392	2844	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe	29
PID 2844 wrote to memory of 2392	2844	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe	29
PID 2844 wrote to memory of 2392	2844	c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe	29

C:\Users\Admin\AppData\Local\Temp\c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe
"C:\Users\Admin\AppData\Local\Temp\c2e5408ac92401aac1e3855a6a2328a3e232328e65b307b5e7b106309efef0eb.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\winmain.exe
  "C:\Windows\winmain.exe"
  2⤵
  - Executes dropped EXE
  PID:1636
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\_DelItG.bat" "
  2⤵
  - Deletes itself
  PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_DelItG.bat

Filesize
295B

MD5
da1885def8cbf03aab79eeeb41c7fa6e

SHA1
40c459a0247dcb5a8787a1bcfecb78b784832ddf

SHA256
19f023b7e885dee447a8c1d518283dcb4ae5c2d49d80f90c48ab14854b83ff68

SHA512
c23687c651675d8830e975b1ad66aa8fa711aa879823a16442819eaf6e469414a7417afcecc27dd641c058518c2cb7045bdb422085dd8376b04f446eb832193e

Download Submit
C:\Windows\winmain.exe

Filesize
38KB

MD5
289a8279405927ae02b7771550ef7946

SHA1
ebfe30ada127cd3515cfa45c7fcd522ddf7cbb36

SHA256
6c40dff237204f0611f09acbb4115475f4725c20361edc141ecab4db0c78bc75

SHA512
1b81abb66209f7cf03172259c4c4aac41ec19d690911d5892371c2244901af297ab6e0f6077b881d614cdf44728b1c63d8c8c1352daeb0799f6a6c1aaaebb15c

Download Submit
memory/1636-18-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2844-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2844-10-0x0000000001C40000-0x0000000001C59000-memory.dmp

Filesize
100KB

Download
memory/2844-25-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads