332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242

Analysis

max time kernel
151s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 04:18

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General

Target

332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe
Size

15KB
MD5

a2b4def8403278e3a7ce5c129735e08f
SHA1

f7f34f40d86ce191e6361009c490bda7a5d28ece
SHA256

332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242
SHA512

8a6a54d86cdb36e6bedc4261455661395b5c9a12fdda8c270ea1af4b5168feb24dfb021107eba3930e872ffd310400683333044038d0ace2e02fd9ab26adfe70
SSDEEP

384:UjjXfU80tVPcGd9nXod5EFg0iyeBC0ouUvgQEnVzm:UHVsPRfXoUFSkuwgR

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2536	ld08.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/984-135-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/files/0x000300000000071f-137.dat	upx
behavioral2/files/0x000300000000071f-138.dat	upx
behavioral2/memory/2536-140-0x0000000000400000-0x000000000040C000-memory.dmp	upx

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	ld08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\sysldtray = "c:\\windows\\ld08.exe"	ld08.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\ld08.exe	332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe
File created	\??\c:\windows\ld08.exe	332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 2536	984	332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe	80
PID 984 wrote to memory of 2536	984	332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe	80
PID 984 wrote to memory of 2536	984	332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe	80
PID 984 wrote to memory of 2792	984	332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe	81
PID 984 wrote to memory of 2792	984	332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe	81
PID 984 wrote to memory of 2792	984	332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe	81

C:\Users\Admin\AppData\Local\Temp\332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe
"C:\Users\Admin\AppData\Local\Temp\332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:984
- \??\c:\windows\ld08.exe
  "c:\windows\ld08.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2536
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c "c:\487656.bat"
  2⤵
  PID:2792

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\ld08.exe

Filesize
15KB

MD5
a2b4def8403278e3a7ce5c129735e08f

SHA1
f7f34f40d86ce191e6361009c490bda7a5d28ece

SHA256
332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242

SHA512
8a6a54d86cdb36e6bedc4261455661395b5c9a12fdda8c270ea1af4b5168feb24dfb021107eba3930e872ffd310400683333044038d0ace2e02fd9ab26adfe70

Download Submit
\??\c:\487656.bat

Filesize
300B

MD5
2800279fa67df37ea778a25bd70919e2

SHA1
4b0d1c35b22565db076c349e7f22a0ca37696d43

SHA256
da02dca3be0af4ca6efa298a3e903f97e8f5ad2528e4cdb71a6323c92174deac

SHA512
5e5341a2db37b6298db5efd6842e7586eaf4fc7621feaccfefdd586465e94349a58490d8ef7301de17a87a03cf4564c5d1672504f4176627b24a296d9b0f82f0

Download Submit
\??\c:\windows\ld08.exe

Filesize
15KB

MD5
a2b4def8403278e3a7ce5c129735e08f

SHA1
f7f34f40d86ce191e6361009c490bda7a5d28ece

SHA256
332c2c09e47802fe314ab1d4d03d4623bb66e2a6bf2519003d1427bde5c38242

SHA512
8a6a54d86cdb36e6bedc4261455661395b5c9a12fdda8c270ea1af4b5168feb24dfb021107eba3930e872ffd310400683333044038d0ace2e02fd9ab26adfe70

Download Submit
memory/984-135-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2536-136-0x0000000000000000-mapping.dmp

Download
memory/2536-140-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2792-139-0x0000000000000000-mapping.dmp

Download