f4b6b135fcfcca0d597650b29a15a5b81b375fd994dd030afcca1dcec248039a

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 10:23

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
aba79ccb8d94d025de527bc6414f8b75.exe
Size 13KB
Sample240228-mexmlahc4t
SHA256 f4b6b135fcfcca0d597650b29a15a5b81b375fd994dd030afcca1dcec248039a
MD5 aba79ccb8d94d025de527bc6414f8b75
SHA1 cf40368149116d9942d8ccfc11f4a6e191e02ca1
SHA512 207910c46e83cd64177a4d9bc27ef733eb6881786a97d225e2a2710c47a63f85cf4ef84a09d28e34f480ef5a3e63ee2c0013e6e8449724f22e7fdd3e4371e793
SSDEEP 384:R/ckyD1G8eZScyvCAI5MEH0zB1NW5EFjRL:Nck01reZsIMBB1NW5Y
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
1892	delnicek.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2144-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x000d00000002311f-4.dat	upx
behavioral2/memory/2144-6-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/1892-7-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\delnice.dll	aba79ccb8d94d025de527bc6414f8b75.exe
File created	C:\Windows\SysWOW64\delnicek.exe	aba79ccb8d94d025de527bc6414f8b75.exe
File opened for modification	C:\Windows\SysWOW64\delnicek.exe	aba79ccb8d94d025de527bc6414f8b75.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 1892	2144	aba79ccb8d94d025de527bc6414f8b75.exe	88
PID 2144 wrote to memory of 1892	2144	aba79ccb8d94d025de527bc6414f8b75.exe	88
PID 2144 wrote to memory of 1892	2144	aba79ccb8d94d025de527bc6414f8b75.exe	88
PID 2144 wrote to memory of 4424	2144	aba79ccb8d94d025de527bc6414f8b75.exe	98
PID 2144 wrote to memory of 4424	2144	aba79ccb8d94d025de527bc6414f8b75.exe	98
PID 2144 wrote to memory of 4424	2144	aba79ccb8d94d025de527bc6414f8b75.exe	98

C:\Users\Admin\AppData\Local\Temp\aba79ccb8d94d025de527bc6414f8b75.exe
"C:\Users\Admin\AppData\Local\Temp\aba79ccb8d94d025de527bc6414f8b75.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\SysWOW64\delnicek.exe
  C:\Windows\system32\delnicek.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1892
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\aba79ccb8d94d025de527bc6414f8b75.exe.bat
  2⤵
  PID:4424

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

aba79ccb8d94d025de527bc6414f8b75.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\aba79ccb8d94d025de527bc6414f8b75.exe.bat
Size 182B
SHA256 36565ff31070d8ccd5778cfb7e5da858745b86751162087e5f910da08516daf3
MD5 f831f6c026aab960256db1d812afe561
SHA1 6eb6319a1ed2a578afeec82fcd0c8fae07d20d2b
SHA512 0c94c6f3f5f74212b5cb2825776e41f118e1788cde176b7791c22c9a372adc8e752ebd012662a81026b385d66dad2c51aed9c255021d715c3d41cd9cfa52fd51
MD5 SHA1 SHA512

Submit Download

delnicek.exe

Path C:\Windows\SysWOW64\delnicek.exe
Size 13KB
SHA256 f4b6b135fcfcca0d597650b29a15a5b81b375fd994dd030afcca1dcec248039a
MD5 aba79ccb8d94d025de527bc6414f8b75
SHA1 cf40368149116d9942d8ccfc11f4a6e191e02ca1
SHA512 207910c46e83cd64177a4d9bc27ef733eb6881786a97d225e2a2710c47a63f85cf4ef84a09d28e34f480ef5a3e63ee2c0013e6e8449724f22e7fdd3e4371e793
SSDEEP 384:R/ckyD1G8eZScyvCAI5MEH0zB1NW5EFjRL:Nck01reZsIMBB1NW5Y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1892-7-0x0000000000400000-0x0000000000410000-memory.dmp

Download

memory/2144-0-0x0000000000400000-0x0000000000410000-memory.dmp

Download

memory/2144-6-0x0000000000400000-0x0000000000410000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads