39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426

Analysis

max time kernel
151s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 17:22

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General

Target

39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe
Size

126KB
MD5

a06e4a32ea91751913f009df27baaa3a
SHA1

0c1be6ff2106771ad85ba88c3ed71903b0d809bf
SHA256

39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426
SHA512

9d671d1eb299df5ce7a22aad6dbd12f35b79a6a157d9eaa6762bef09c1b26c1237319f3fb62bd94f23fa56b52a2bbb2f8efde43a3064fd0737bdaf0707bfeb51
SSDEEP

3072:adkJGgXZ9PNhMieFFCTtoFXyxWNsNVS5Y4IvJu:WilXZ9PPM7CTeZFsNVS5jIh

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
648	charmapnt.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	charmapnt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Mapa de caracteres para NT = "\"c:\\windows\\charmapnt.exe\""	charmapnt.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\windows\charmapnt.exe	39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe
File opened for modification	\??\c:\windows\charmapnt.exe	39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe
File created	C:\Windows\ieupdate.dat	charmapnt.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5012	39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe
648	charmapnt.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 648	5012	39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe	83
PID 5012 wrote to memory of 648	5012	39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe	83
PID 5012 wrote to memory of 648	5012	39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe	83

C:\Users\Admin\AppData\Local\Temp\39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe
"C:\Users\Admin\AppData\Local\Temp\39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5012
- \??\c:\windows\charmapnt.exe
  c:\windows\charmapnt.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:648

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\charmapnt.exe

Filesize
126KB

MD5
a06e4a32ea91751913f009df27baaa3a

SHA1
0c1be6ff2106771ad85ba88c3ed71903b0d809bf

SHA256
39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426

SHA512
9d671d1eb299df5ce7a22aad6dbd12f35b79a6a157d9eaa6762bef09c1b26c1237319f3fb62bd94f23fa56b52a2bbb2f8efde43a3064fd0737bdaf0707bfeb51

Download Submit
\??\c:\windows\charmapnt.exe

Filesize
126KB

MD5
a06e4a32ea91751913f009df27baaa3a

SHA1
0c1be6ff2106771ad85ba88c3ed71903b0d809bf

SHA256
39aa322b22e56ef7f18a3064e24cbbae56d87ffbb2567e11f2ccb9c1a72f8426

SHA512
9d671d1eb299df5ce7a22aad6dbd12f35b79a6a157d9eaa6762bef09c1b26c1237319f3fb62bd94f23fa56b52a2bbb2f8efde43a3064fd0737bdaf0707bfeb51

Download Submit
memory/648-140-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download
memory/5012-139-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download
memory/5012-141-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download