c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23/05/2024, 02:45

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General

Target

c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe
Size

134KB
MD5

45893cf22ac415914d92e60cce895d4b
SHA1

213ac40a01bd8c317b91c5697f5eddd1d81fe9a3
SHA256

c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd
SHA512

53787169312af5965a46112a4a4e68b4e5fc525faed1da2cdea30fe6c6419821a4f3e38f16d92549655f2b6c728896894ec10d81e7dfab0dfb527be75a930a10
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QQ:riAyLN9aa+9U2rW1ip6pr2At7NZuQQ

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2020-1-0x0000000000FF0000-0x0000000001018000-memory.dmp	UPX
behavioral1/files/0x0039000000016255-2.dat	UPX
behavioral1/memory/1808-7-0x00000000010D0000-0x00000000010F8000-memory.dmp	UPX
behavioral1/memory/1808-9-0x00000000010D0000-0x00000000010F8000-memory.dmp	UPX
behavioral1/memory/2020-10-0x0000000000FF0000-0x0000000001018000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1808	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2020-1-0x0000000000FF0000-0x0000000001018000-memory.dmp	upx
behavioral1/files/0x0039000000016255-2.dat	upx
behavioral1/memory/1808-7-0x00000000010D0000-0x00000000010F8000-memory.dmp	upx
behavioral1/memory/1808-9-0x00000000010D0000-0x00000000010F8000-memory.dmp	upx
behavioral1/memory/2020-10-0x0000000000FF0000-0x0000000001018000-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\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run"	c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1808	2020	c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe	28
PID 2020 wrote to memory of 1808	2020	c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe	28
PID 2020 wrote to memory of 1808	2020	c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe	28
PID 2020 wrote to memory of 1808	2020	c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe	28

C:\Users\Admin\AppData\Local\Temp\c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe
"C:\Users\Admin\AppData\Local\Temp\c4088b88357d83c10cd13e0f09940acb476212b28ab6d5d42cee76c8d045ecfd.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2020
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1808

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

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Downloads

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
9a8a2672bd52177961912993788e461f

SHA1
2444df0b5920f8c213b915c4c11f3837d935edf9

SHA256
5bfd5824c50779be97b01a6c11d023fbb5f868e423ea2d460492ac68d6c7dbef

SHA512
f3476fcfcbd21391f88c12b40b6534ef008eee8e6a5f4e4874fb43b77dea00de72a516989b32dd5df3bcec7a092b0cdb7cfc570cc0ddcdf10185e9e4e5006a19

Download Submit
memory/1808-7-0x00000000010D0000-0x00000000010F8000-memory.dmp

Filesize
160KB

Download
memory/1808-9-0x00000000010D0000-0x00000000010F8000-memory.dmp

Filesize
160KB

Download
memory/2020-1-0x0000000000FF0000-0x0000000001018000-memory.dmp

Filesize
160KB

Download
memory/2020-6-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2020-8-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2020-10-0x0000000000FF0000-0x0000000001018000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads