3fd45dec7e9c7200012c0be611ad07c5c88c098f4ed2e76287d2a7b7f0593c32

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 15:02

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General

Target

bb8f368ef5df81e6cf643a0ad0b7d9b4.exe
Size

19KB
MD5

bb8f368ef5df81e6cf643a0ad0b7d9b4
SHA1

a37c25efd2a4d1c5cbf180f8ed75ecdf430279e0
SHA256

3fd45dec7e9c7200012c0be611ad07c5c88c098f4ed2e76287d2a7b7f0593c32
SHA512

e32d42d17fd7297651f1dafe16b5e88168c28ecd9b7454e2ae60de9e5e24dbcf9ee89b6cb211788d9fbba3b8cd6dc6dd037cb51303f141440fdcc1c86c0aafaa
SSDEEP

384:ZKrhnnKfUrrs2AMj3KFKR3+TROswq7Op2Hhb0WSmAizv:ZKrkfcrs2r3K0eQYap2Bz1

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3024	UpdaterUI.exe

Loads dropped DLL 4 IoCs

pid	Process
2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe
3024	UpdaterUI.exe
3024	UpdaterUI.exe
3024	UpdaterUI.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2684-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/2684-1-0x0000000000020000-0x0000000000032000-memory.dmp	upx
behavioral1/files/0x00070000000120e4-5.dat	upx
behavioral1/memory/3024-9-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/2684-15-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/3024-16-0x0000000000400000-0x0000000000412000-memory.dmp	upx

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\UpdaterUI = "C:\\Windows\\system32\\UpdaterUI.exe"	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\UpdaterUI.exe	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe
File opened for modification	C:\Windows\SysWOW64\UpdaterUI.exe	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe
2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe
2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe
2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe
3024	UpdaterUI.exe
3024	UpdaterUI.exe
3024	UpdaterUI.exe
3024	UpdaterUI.exe
3024	UpdaterUI.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 3024	2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe	28
PID 2684 wrote to memory of 3024	2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe	28
PID 2684 wrote to memory of 3024	2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe	28
PID 2684 wrote to memory of 3024	2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe	28
PID 2684 wrote to memory of 3024	2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe	28
PID 2684 wrote to memory of 3024	2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe	28
PID 2684 wrote to memory of 3024	2684	bb8f368ef5df81e6cf643a0ad0b7d9b4.exe	28

C:\Users\Admin\AppData\Local\Temp\bb8f368ef5df81e6cf643a0ad0b7d9b4.exe
"C:\Users\Admin\AppData\Local\Temp\bb8f368ef5df81e6cf643a0ad0b7d9b4.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\UpdaterUI.exe
  C:\Windows\system32\UpdaterUI.exe "C:\Users\Admin\AppData\Local\Temp\bb8f368ef5df81e6cf643a0ad0b7d9b4.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3024

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

\Windows\SysWOW64\UpdaterUI.exe

Filesize
19KB

MD5
bb8f368ef5df81e6cf643a0ad0b7d9b4

SHA1
a37c25efd2a4d1c5cbf180f8ed75ecdf430279e0

SHA256
3fd45dec7e9c7200012c0be611ad07c5c88c098f4ed2e76287d2a7b7f0593c32

SHA512
e32d42d17fd7297651f1dafe16b5e88168c28ecd9b7454e2ae60de9e5e24dbcf9ee89b6cb211788d9fbba3b8cd6dc6dd037cb51303f141440fdcc1c86c0aafaa

Download Submit
memory/2684-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2684-2-0x0000000000020000-0x0000000000032000-memory.dmp

Filesize
72KB

Download
memory/2684-1-0x0000000000020000-0x0000000000032000-memory.dmp

Filesize
72KB

Download
memory/2684-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3024-14-0x00000000002C0000-0x00000000002D2000-memory.dmp

Filesize
72KB

Download
memory/3024-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3024-16-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3024-17-0x00000000002C0000-0x00000000002D2000-memory.dmp

Filesize
72KB

Download