16cd7a02ee8ff9c21989477b31a55e6fb4bf406142bc164f9e0556d4f57c8934

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 04:20

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General

Target

5a438591b5746bfdc8bd6383d75d0db8.exe
Size

896KB
MD5

5a438591b5746bfdc8bd6383d75d0db8
SHA1

3650bd35145ac6b42a126177885f51a7687b57fc
SHA256

16cd7a02ee8ff9c21989477b31a55e6fb4bf406142bc164f9e0556d4f57c8934
SHA512

7d8336870f012c77ca2b75ad682a8c09cc5442c40d056e969e9d8d3bcb04461ff613f89e164f4288631268d7be1c8792bfe1160a9291bdef6e36eaf35f6cb4cc
SSDEEP

12288:yYNfqsvkQsFvtxcCZeGsU71YmV1sl5h3/vKHUqXV7S+4dkJ0utF3Z4mxxTUn00yV:zbvs/x/AAHqlDxqXI60utQmXT2dy5QkT

Score

7^/10

aspackv2 persistence

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000800000002320a-58.dat	aspack_v212_v242
behavioral2/files/0x000800000002320a-57.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3952	HKFXOK.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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	5a438591b5746bfdc8bd6383d75d0db8.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
2072	3952	WerFault.exe
752	3952	WerFault.exe	94
5004	3952	WerFault.exe	94

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 3952	3696	5a438591b5746bfdc8bd6383d75d0db8.exe	94
PID 3696 wrote to memory of 3952	3696	5a438591b5746bfdc8bd6383d75d0db8.exe	94
PID 3696 wrote to memory of 3952	3696	5a438591b5746bfdc8bd6383d75d0db8.exe	94

C:\Users\Admin\AppData\Local\Temp\5a438591b5746bfdc8bd6383d75d0db8.exe
"C:\Users\Admin\AppData\Local\Temp\5a438591b5746bfdc8bd6383d75d0db8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HKFXOK.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HKFXOK.exe
  2⤵
  - Executes dropped EXE
  PID:3952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 264
    3⤵
    - Program crash
    PID:752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 244
    3⤵
    - Program crash
    PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3952 -ip 3952
1⤵
PID:4520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 224
1⤵
- Program crash
PID:2072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3952 -ip 3952
1⤵
PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3952 -ip 3952
1⤵
PID:3552

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HKFXOK.exe

Filesize
145KB

MD5
980b70ad12454302d0879fdb9824b215

SHA1
a9be539820a331fc894fcb79b65dffd099bb3c75

SHA256
8384cfdf24e385e75deab33c3e9d82c4e100ad737abcc13e1688bef5f55df93d

SHA512
9d21f0bb5a545faf14a4176a79070fc472f14554b149406453a5c5bf5e4615ee5aad1dbe23a97172d5597dab7a96c6e153180ee4faf06259caadcbff99323663

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HKFXOK.exe

Filesize
93KB

MD5
84abd684cb26f8ac1fd2a5d7c05d387c

SHA1
d34db479dc81cf3992f4413384c253252a1f207b

SHA256
2c9db483abdaa7f4429add87303e0eb9389ee233e52b5847166494e3f3ee0fdc

SHA512
8719d6efa482a78cf395658ec1af45c53e04a3f35ae160d7b05e97da36a39d3f9a9522f7c07c6871b625765d39fa751440c5f6e1115df3be751c1d229ea8810e

Download Submit
memory/3696-0-0x0000000001000000-0x00000000011ED000-memory.dmp

Filesize
1.9MB

Download
memory/3696-1-0x00000000008D0000-0x0000000000924000-memory.dmp

Filesize
336KB

Download
memory/3696-5-0x0000000000E80000-0x0000000000E81000-memory.dmp

Filesize
4KB

Download
memory/3696-6-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/3696-4-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/3696-3-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/3696-2-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

Filesize
4KB

Download
memory/3696-32-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-40-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-53-0x0000000003560000-0x0000000003561000-memory.dmp

Filesize
4KB

Download
memory/3696-52-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/3696-51-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/3696-50-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/3696-49-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-48-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-47-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-46-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-45-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-44-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-43-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-42-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-41-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-39-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-38-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-37-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-36-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-35-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-34-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-33-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-31-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-30-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-29-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-28-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-27-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-26-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-25-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-60-0x00000000008D0000-0x0000000000924000-memory.dmp

Filesize
336KB

Download
memory/3696-59-0x0000000001000000-0x00000000011ED000-memory.dmp

Filesize
1.9MB

Download
memory/3696-24-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-23-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-22-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-21-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-20-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-19-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-18-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-17-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-16-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-15-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-14-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-13-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-12-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-11-0x0000000003460000-0x000000000347B000-memory.dmp

Filesize
108KB

Download
memory/3696-10-0x0000000000E90000-0x0000000000E91000-memory.dmp

Filesize
4KB

Download
memory/3696-9-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/3696-8-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/3696-7-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads