3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
27/06/2023, 20:01

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General

Target

3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe
Size

830KB
MD5

00914f35c787428b08ce3709595b8017
SHA1

744537a4d8bc22572fbc1037d9b8d3b37149b4a4
SHA256

3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d
SHA512

80d4b1c3e3481525aedbf5f490a3a27085a0f32d1efa891a7ec86667afaad70a6acb99a6c5a6987d234c3ebb37454676529e70f6d91da2c4ec95d8ffc14da458
SSDEEP

24576:dtOQUbxzMqSutsraXV8ZemvhOqWlvhAfjTC86naEas0X:dtOrxznSgsuwvhEGenvas0X

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2016	rundl123.exe

Loads dropped DLL 1 IoCs

pid	Process
1996	3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundl123.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundl123.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Control Panel\Desktop\AutoEndTasks	rundl123.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\38.181.24.91:1150	rundl123.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
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2016	rundl123.exe
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2016	rundl123.exe
2016	rundl123.exe
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2016	rundl123.exe
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2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe
2016	rundl123.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1996	3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe
2016	rundl123.exe
2016	rundl123.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2016	1996	3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe	28
PID 1996 wrote to memory of 2016	1996	3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe	28
PID 1996 wrote to memory of 2016	1996	3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe	28
PID 1996 wrote to memory of 2016	1996	3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe	28

C:\Users\Admin\AppData\Local\Temp\3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe
"C:\Users\Admin\AppData\Local\Temp\3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- \??\c:\ProgramData\rundl123.exe
  "c:\ProgramData\rundl123.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - NTFS ADS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\rundl123.exe

Filesize
830KB

MD5
00914f35c787428b08ce3709595b8017

SHA1
744537a4d8bc22572fbc1037d9b8d3b37149b4a4

SHA256
3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d

SHA512
80d4b1c3e3481525aedbf5f490a3a27085a0f32d1efa891a7ec86667afaad70a6acb99a6c5a6987d234c3ebb37454676529e70f6d91da2c4ec95d8ffc14da458

Download Submit
\??\c:\ProgramData\rundl123.exe

Filesize
830KB

MD5
00914f35c787428b08ce3709595b8017

SHA1
744537a4d8bc22572fbc1037d9b8d3b37149b4a4

SHA256
3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d

SHA512
80d4b1c3e3481525aedbf5f490a3a27085a0f32d1efa891a7ec86667afaad70a6acb99a6c5a6987d234c3ebb37454676529e70f6d91da2c4ec95d8ffc14da458

Download Submit
\ProgramData\rundl123.exe

Filesize
830KB

MD5
00914f35c787428b08ce3709595b8017

SHA1
744537a4d8bc22572fbc1037d9b8d3b37149b4a4

SHA256
3a304507c5be084e1dba1d471b9c065c316a6e1da4f8e2462fb25dc333f8a09d

SHA512
80d4b1c3e3481525aedbf5f490a3a27085a0f32d1efa891a7ec86667afaad70a6acb99a6c5a6987d234c3ebb37454676529e70f6d91da2c4ec95d8ffc14da458

Download Submit
memory/1996-58-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/1996-61-0x00000000031C0000-0x00000000031C3000-memory.dmp

Filesize
12KB

Download
memory/1996-60-0x0000000000530000-0x000000000058F000-memory.dmp

Filesize
380KB

Download
memory/1996-62-0x00000000031B0000-0x00000000031B4000-memory.dmp

Filesize
16KB

Download
memory/2016-67-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-71-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2016-66-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2016-64-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/2016-68-0x0000000000390000-0x00000000003EF000-memory.dmp

Filesize
380KB

Download
memory/2016-69-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/2016-70-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2016-65-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2016-72-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2016-73-0x0000000003840000-0x000000000388E000-memory.dmp

Filesize
312KB

Download
memory/2016-74-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2016-63-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/2016-85-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-86-0x0000000000390000-0x00000000003EF000-memory.dmp

Filesize
380KB

Download